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Update dependencies, add crypto/pkcs12

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This commit is contained in:
Matthieu Grieger 2016-07-04 10:06:28 -07:00
parent 3de4917972
commit 1e174fde46
263 changed files with 55165 additions and 426 deletions
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46
glide.lock generated
View file

@ -1,20 +1,20 @@
hash: b68f7c8a3b59d7dac3e12321ed6a2265b553c2856ae70e0ed5e960ba8412f8d8
updated: 2016-06-21T09:22:02.569941705-07:00
hash: 092daa9c068b920c11d1e8d72da8f9e908b15810a75407b8337c1f8154ef0dee
updated: 2016-07-04T10:05:43.753074408-07:00
imports:
- name: github.com/antonholmquist/jason
version: ""
version: c23cef7eaa75a6a5b8810120e167bd590d8fd2ab
- name: github.com/BurntSushi/toml
version: ""
version: bbd5bb678321a0d6e58f1099321dfa73391c1b6f
- name: github.com/ChannelMeter/iso8601duration
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: 8da3af7a2a61a4eb5ae9bddec06bf637fa9593da
- name: github.com/fsnotify/fsnotify
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: a8a77c9133d2d6fd8334f3260d06f60e8d80a5fb
- name: github.com/golang/protobuf
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: 3852dcfda249c2097355a6aabb199a28d97b30df
subpackages:
- proto
- name: github.com/hashicorp/hcl
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: 61f5143284c041681f76a5b63efcb232aaa94737
subpackages:
- hcl/ast
- hcl/parser
@ -25,9 +25,9 @@ imports:
- json/scanner
- json/token
- name: github.com/layeh/gopus
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: 867541549ca5f8b4db2b92fd1dded8711256a27d
- name: github.com/layeh/gumble
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: b26208eca4b75d9efdacb068241c68912437bd69
subpackages:
- gumble
- gumbleffmpeg
@ -36,27 +36,31 @@ imports:
- gumble/MumbleProto
- gumble/varint
- name: github.com/magiconair/properties
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: c265cfa48dda6474e208715ca93e987829f572f8
- name: github.com/mitchellh/mapstructure
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: d2dd0262208475919e1a362f675cfc0e7c10e905
- name: github.com/Sirupsen/logrus
version: ""
version: 4b6ea7319e214d98c938f12692336f7ca9348d6b
- name: github.com/spf13/cast
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: 27b586b42e29bec072fe7379259cc719e1289da6
- name: github.com/spf13/jwalterweatherman
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: 33c24e77fb80341fe7130ee7c594256ff08ccc46
- name: github.com/spf13/pflag
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: 367864438f1b1a3c7db4da06a2f55b144e6784e0
- name: github.com/spf13/viper
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: c1ccc378a054ea8d4e38d8c67f6938d4760b53dd
- name: github.com/stretchr/testify
version: ""
version: f390dcf405f7b83c997eac1b06768bb9f44dec18
- name: github.com/urfave/cli
version: ""
version: 01857ac33766ce0c93856370626f9799281c14f4
- name: golang.org/x/crypto
version: 0c565bf13221fb55497d7ae2bb95694db1fd1bff
subpackages:
- pkcs12
- name: golang.org/x/sys
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: a408501be4d17ee978c04a618e7a1b22af058c0e
subpackages:
- unix
- name: gopkg.in/yaml.v2
version: 50c5e6cb61d6f5a3c449ab0b12f1996160626a94
version: a83829b6f1293c91addabc89d0571c246397bbf4
devImports: []

3
glide.yaml
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@ -24,3 +24,6 @@ import:
version: v1.1.3
- package: github.com/BurntSushi/toml
version: v0.2.0
- package: golang.org/x/crypto
subpackages:
- pkcs12

1
vendor/github.com/fsnotify/fsnotify/AUTHORS generated vendored
View file

@ -11,6 +11,7 @@
Adrien Bustany <adrien@bustany.org>
Amit Krishnan <amit.krishnan@oracle.com>
Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Bruno Bigras <bigras.bruno@gmail.com>
Caleb Spare <cespare@gmail.com>
Case Nelson <case@teammating.com>
Chris Howey <chris@howey.me> <howeyc@gmail.com>

4
vendor/github.com/fsnotify/fsnotify/CHANGELOG.md generated vendored
View file

@ -1,5 +1,9 @@
# Changelog
## v1.3.1 / 2016-06-28
* windows: fix for double backslash when watching the root of a drive [#151](https://github.com/fsnotify/fsnotify/issues/151) (thanks @brunoqc)
## v1.3.0 / 2016-04-19
* Support linux/arm64 by [patching](https://go-review.googlesource.com/#/c/21971/) x/sys/unix and switching to to it from syscall (thanks @suihkulokki) [#135](https://github.com/fsnotify/fsnotify/pull/135)

8
vendor/github.com/fsnotify/fsnotify/windows.go generated vendored
View file

@ -306,7 +306,7 @@ func (w *Watcher) remWatch(pathname string) error {
watch.mask = 0
} else {
name := filepath.Base(pathname)
w.sendEvent(watch.path+"\\"+name, watch.names[name]&sysFSIGNORED)
w.sendEvent(filepath.Join(watch.path, name), watch.names[name]&sysFSIGNORED)
delete(watch.names, name)
}
return w.startRead(watch)
@ -316,7 +316,7 @@ func (w *Watcher) remWatch(pathname string) error {
func (w *Watcher) deleteWatch(watch *watch) {
for name, mask := range watch.names {
if mask&provisional == 0 {
w.sendEvent(watch.path+"\\"+name, mask&sysFSIGNORED)
w.sendEvent(filepath.Join(watch.path, name), mask&sysFSIGNORED)
}
delete(watch.names, name)
}
@ -453,7 +453,7 @@ func (w *Watcher) readEvents() {
raw := (*syscall.FileNotifyInformation)(unsafe.Pointer(&watch.buf[offset]))
buf := (*[syscall.MAX_PATH]uint16)(unsafe.Pointer(&raw.FileName))
name := syscall.UTF16ToString(buf[:raw.FileNameLength/2])
fullname := watch.path + "\\" + name
fullname := filepath.Join(watch.path, name)
var mask uint64
switch raw.Action {
@ -491,7 +491,7 @@ func (w *Watcher) readEvents() {
}
}
if raw.Action == syscall.FILE_ACTION_RENAMED_NEW_NAME {
fullname = watch.path + "\\" + watch.rename
fullname = filepath.Join(watch.path, watch.rename)
sendNameEvent()
}

50
vendor/github.com/golang/protobuf/jsonpb/jsonpb.go generated vendored
View file

@ -510,41 +510,63 @@ func (m *Marshaler) marshalValue(out *errWriter, prop *proto.Properties, v refle
return out.err
}
// Unmarshaler is a configurable object for converting from a JSON
// representation to a protocol buffer object.
type Unmarshaler struct {
// Whether to allow messages to contain unknown fields, as opposed to
// failing to unmarshal.
AllowUnknownFields bool
}
// UnmarshalNext unmarshals the next protocol buffer from a JSON object stream.
// This function is lenient and will decode any options permutations of the
// related Marshaler.
func UnmarshalNext(dec *json.Decoder, pb proto.Message) error {
func (u *Unmarshaler) UnmarshalNext(dec *json.Decoder, pb proto.Message) error {
inputValue := json.RawMessage{}
if err := dec.Decode(&inputValue); err != nil {
return err
}
return unmarshalValue(reflect.ValueOf(pb).Elem(), inputValue, nil)
return u.unmarshalValue(reflect.ValueOf(pb).Elem(), inputValue, nil)
}
// Unmarshal unmarshals a JSON object stream into a protocol
// buffer. This function is lenient and will decode any options
// permutations of the related Marshaler.
func (u *Unmarshaler) Unmarshal(r io.Reader, pb proto.Message) error {
dec := json.NewDecoder(r)
return u.UnmarshalNext(dec, pb)
}
// UnmarshalNext unmarshals the next protocol buffer from a JSON object stream.
// This function is lenient and will decode any options permutations of the
// related Marshaler.
func UnmarshalNext(dec *json.Decoder, pb proto.Message) error {
return new(Unmarshaler).UnmarshalNext(dec, pb)
}
// Unmarshal unmarshals a JSON object stream into a protocol
// buffer. This function is lenient and will decode any options
// permutations of the related Marshaler.
func Unmarshal(r io.Reader, pb proto.Message) error {
dec := json.NewDecoder(r)
return UnmarshalNext(dec, pb)
return new(Unmarshaler).Unmarshal(r, pb)
}
// UnmarshalString will populate the fields of a protocol buffer based
// on a JSON string. This function is lenient and will decode any options
// permutations of the related Marshaler.
func UnmarshalString(str string, pb proto.Message) error {
return Unmarshal(strings.NewReader(str), pb)
return new(Unmarshaler).Unmarshal(strings.NewReader(str), pb)
}
// unmarshalValue converts/copies a value into the target.
// prop may be nil.
func unmarshalValue(target reflect.Value, inputValue json.RawMessage, prop *proto.Properties) error {
func (u *Unmarshaler) unmarshalValue(target reflect.Value, inputValue json.RawMessage, prop *proto.Properties) error {
targetType := target.Type()
// Allocate memory for pointer fields.
if targetType.Kind() == reflect.Ptr {
target.Set(reflect.New(targetType.Elem()))
return unmarshalValue(target.Elem(), inputValue, prop)
return u.unmarshalValue(target.Elem(), inputValue, prop)
}
// Handle well-known types.
@ -559,7 +581,7 @@ func unmarshalValue(target reflect.Value, inputValue json.RawMessage, prop *prot
// as the wrapped primitive type, except that null is allowed."
// encoding/json will turn JSON `null` into Go `nil`,
// so we don't have to do any extra work.
return unmarshalValue(target.Field(0), inputValue, prop)
return u.unmarshalValue(target.Field(0), inputValue, prop)
case "Any":
return fmt.Errorf("unmarshaling Any not supported yet")
case "Duration":
@ -657,7 +679,7 @@ func unmarshalValue(target reflect.Value, inputValue json.RawMessage, prop *prot
continue
}
if err := unmarshalValue(target.Field(i), valueForField, sprops.Prop[i]); err != nil {
if err := u.unmarshalValue(target.Field(i), valueForField, sprops.Prop[i]); err != nil {
return err
}
}
@ -670,12 +692,12 @@ func unmarshalValue(target reflect.Value, inputValue json.RawMessage, prop *prot
}
nv := reflect.New(oop.Type.Elem())
target.Field(oop.Field).Set(nv)
if err := unmarshalValue(nv.Elem().Field(0), raw, oop.Prop); err != nil {
if err := u.unmarshalValue(nv.Elem().Field(0), raw, oop.Prop); err != nil {
return err
}
}
}
if len(jsonFields) > 0 {
if !u.AllowUnknownFields && len(jsonFields) > 0 {
// Pick any field to be the scapegoat.
var f string
for fname := range jsonFields {
@ -696,7 +718,7 @@ func unmarshalValue(target reflect.Value, inputValue json.RawMessage, prop *prot
len := len(slc)
target.Set(reflect.MakeSlice(targetType, len, len))
for i := 0; i < len; i++ {
if err := unmarshalValue(target.Index(i), slc[i], prop); err != nil {
if err := u.unmarshalValue(target.Index(i), slc[i], prop); err != nil {
return err
}
}
@ -725,14 +747,14 @@ func unmarshalValue(target reflect.Value, inputValue json.RawMessage, prop *prot
k = reflect.ValueOf(ks)
} else {
k = reflect.New(targetType.Key()).Elem()
if err := unmarshalValue(k, json.RawMessage(ks), keyprop); err != nil {
if err := u.unmarshalValue(k, json.RawMessage(ks), keyprop); err != nil {
return err
}
}
// Unmarshal map value.
v := reflect.New(targetType.Elem()).Elem()
if err := unmarshalValue(v, raw, valprop); err != nil {
if err := u.unmarshalValue(v, raw, valprop); err != nil {
return err
}
target.SetMapIndex(k, v)

91
vendor/github.com/golang/protobuf/jsonpb/jsonpb_test.go generated vendored
View file

@ -36,6 +36,7 @@ import (
"encoding/json"
"io"
"reflect"
"strings"
"testing"
"github.com/golang/protobuf/proto"
@ -410,66 +411,69 @@ func TestMarshaling(t *testing.T) {
}
var unmarshalingTests = []struct {
desc string
json string
pb proto.Message
desc string
unmarshaler Unmarshaler
json string
pb proto.Message
}{
{"simple flat object", simpleObjectJSON, simpleObject},
{"simple pretty object", simpleObjectPrettyJSON, simpleObject},
{"repeated fields flat object", repeatsObjectJSON, repeatsObject},
{"repeated fields pretty object", repeatsObjectPrettyJSON, repeatsObject},
{"nested message/enum flat object", complexObjectJSON, complexObject},
{"nested message/enum pretty object", complexObjectPrettyJSON, complexObject},
{"enum-string object", `{"color":"BLUE"}`, &pb.Widget{Color: pb.Widget_BLUE.Enum()}},
{"enum-value object", "{\n \"color\": 2\n}", &pb.Widget{Color: pb.Widget_BLUE.Enum()}},
{"proto3 enum string", `{"hilarity":"PUNS"}`, &proto3pb.Message{Hilarity: proto3pb.Message_PUNS}},
{"proto3 enum value", `{"hilarity":1}`, &proto3pb.Message{Hilarity: proto3pb.Message_PUNS}},
{"simple flat object", Unmarshaler{}, simpleObjectJSON, simpleObject},
{"simple pretty object", Unmarshaler{}, simpleObjectPrettyJSON, simpleObject},
{"repeated fields flat object", Unmarshaler{}, repeatsObjectJSON, repeatsObject},
{"repeated fields pretty object", Unmarshaler{}, repeatsObjectPrettyJSON, repeatsObject},
{"nested message/enum flat object", Unmarshaler{}, complexObjectJSON, complexObject},
{"nested message/enum pretty object", Unmarshaler{}, complexObjectPrettyJSON, complexObject},
{"enum-string object", Unmarshaler{}, `{"color":"BLUE"}`, &pb.Widget{Color: pb.Widget_BLUE.Enum()}},
{"enum-value object", Unmarshaler{}, "{\n \"color\": 2\n}", &pb.Widget{Color: pb.Widget_BLUE.Enum()}},
{"unknown field with allowed option", Unmarshaler{AllowUnknownFields: true}, `{"unknown": "foo"}`, new(pb.Simple)},
{"proto3 enum string", Unmarshaler{}, `{"hilarity":"PUNS"}`, &proto3pb.Message{Hilarity: proto3pb.Message_PUNS}},
{"proto3 enum value", Unmarshaler{}, `{"hilarity":1}`, &proto3pb.Message{Hilarity: proto3pb.Message_PUNS}},
{"unknown enum value object",
Unmarshaler{},
"{\n \"color\": 1000,\n \"r_color\": [\n \"RED\"\n ]\n}",
&pb.Widget{Color: pb.Widget_Color(1000).Enum(), RColor: []pb.Widget_Color{pb.Widget_RED}}},
{"repeated proto3 enum", `{"rFunny":["PUNS","SLAPSTICK"]}`,
{"repeated proto3 enum", Unmarshaler{}, `{"rFunny":["PUNS","SLAPSTICK"]}`,
&proto3pb.Message{RFunny: []proto3pb.Message_Humour{
proto3pb.Message_PUNS,
proto3pb.Message_SLAPSTICK,
}}},
{"repeated proto3 enum as int", `{"rFunny":[1,2]}`,
{"repeated proto3 enum as int", Unmarshaler{}, `{"rFunny":[1,2]}`,
&proto3pb.Message{RFunny: []proto3pb.Message_Humour{
proto3pb.Message_PUNS,
proto3pb.Message_SLAPSTICK,
}}},
{"repeated proto3 enum as mix of strings and ints", `{"rFunny":["PUNS",2]}`,
{"repeated proto3 enum as mix of strings and ints", Unmarshaler{}, `{"rFunny":["PUNS",2]}`,
&proto3pb.Message{RFunny: []proto3pb.Message_Humour{
proto3pb.Message_PUNS,
proto3pb.Message_SLAPSTICK,
}}},
{"unquoted int64 object", `{"oInt64":-314}`, &pb.Simple{OInt64: proto.Int64(-314)}},
{"unquoted uint64 object", `{"oUint64":123}`, &pb.Simple{OUint64: proto.Uint64(123)}},
{"map<int64, int32>", `{"nummy":{"1":2,"3":4}}`, &pb.Mappy{Nummy: map[int64]int32{1: 2, 3: 4}}},
{"map<string, string>", `{"strry":{"\"one\"":"two","three":"four"}}`, &pb.Mappy{Strry: map[string]string{`"one"`: "two", "three": "four"}}},
{"map<int32, Object>", `{"objjy":{"1":{"dub":1}}}`, &pb.Mappy{Objjy: map[int32]*pb.Simple3{1: &pb.Simple3{Dub: 1}}}},
{"unquoted int64 object", Unmarshaler{}, `{"oInt64":-314}`, &pb.Simple{OInt64: proto.Int64(-314)}},
{"unquoted uint64 object", Unmarshaler{}, `{"oUint64":123}`, &pb.Simple{OUint64: proto.Uint64(123)}},
{"map<int64, int32>", Unmarshaler{}, `{"nummy":{"1":2,"3":4}}`, &pb.Mappy{Nummy: map[int64]int32{1: 2, 3: 4}}},
{"map<string, string>", Unmarshaler{}, `{"strry":{"\"one\"":"two","three":"four"}}`, &pb.Mappy{Strry: map[string]string{`"one"`: "two", "three": "four"}}},
{"map<int32, Object>", Unmarshaler{}, `{"objjy":{"1":{"dub":1}}}`, &pb.Mappy{Objjy: map[int32]*pb.Simple3{1: &pb.Simple3{Dub: 1}}}},
// TODO: This is broken.
//{"map<string, enum>", `{"enumy":{"XIV":"ROMAN"}`, &pb.Mappy{Enumy: map[string]pb.Numeral{"XIV": pb.Numeral_ROMAN}}},
{"map<string, enum as int>", `{"enumy":{"XIV":2}}`, &pb.Mappy{Enumy: map[string]pb.Numeral{"XIV": pb.Numeral_ROMAN}}},
{"oneof", `{"salary":31000}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Salary{31000}}},
{"oneof spec name", `{"country":"Australia"}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Country{"Australia"}}},
{"oneof orig_name", `{"Country":"Australia"}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Country{"Australia"}}},
{"orig_name input", `{"o_bool":true}`, &pb.Simple{OBool: proto.Bool(true)}},
{"camelName input", `{"oBool":true}`, &pb.Simple{OBool: proto.Bool(true)}},
//{"map<string, enum>", Unmarshaler{}, `{"enumy":{"XIV":"ROMAN"}`, &pb.Mappy{Enumy: map[string]pb.Numeral{"XIV": pb.Numeral_ROMAN}}},
{"map<string, enum as int>", Unmarshaler{}, `{"enumy":{"XIV":2}}`, &pb.Mappy{Enumy: map[string]pb.Numeral{"XIV": pb.Numeral_ROMAN}}},
{"oneof", Unmarshaler{}, `{"salary":31000}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Salary{31000}}},
{"oneof spec name", Unmarshaler{}, `{"country":"Australia"}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Country{"Australia"}}},
{"oneof orig_name", Unmarshaler{}, `{"Country":"Australia"}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Country{"Australia"}}},
{"orig_name input", Unmarshaler{}, `{"o_bool":true}`, &pb.Simple{OBool: proto.Bool(true)}},
{"camelName input", Unmarshaler{}, `{"oBool":true}`, &pb.Simple{OBool: proto.Bool(true)}},
{"Duration", `{"dur":"3.000s"}`, &pb.KnownTypes{Dur: &durpb.Duration{Seconds: 3}}},
{"Timestamp", `{"ts":"2014-05-13T16:53:20.021Z"}`, &pb.KnownTypes{Ts: &tspb.Timestamp{Seconds: 14e8, Nanos: 21e6}}},
{"Duration", Unmarshaler{}, `{"dur":"3.000s"}`, &pb.KnownTypes{Dur: &durpb.Duration{Seconds: 3}}},
{"Timestamp", Unmarshaler{}, `{"ts":"2014-05-13T16:53:20.021Z"}`, &pb.KnownTypes{Ts: &tspb.Timestamp{Seconds: 14e8, Nanos: 21e6}}},
{"DoubleValue", `{"dbl":1.2}`, &pb.KnownTypes{Dbl: &wpb.DoubleValue{Value: 1.2}}},
{"FloatValue", `{"flt":1.2}`, &pb.KnownTypes{Flt: &wpb.FloatValue{Value: 1.2}}},
{"Int64Value", `{"i64":"-3"}`, &pb.KnownTypes{I64: &wpb.Int64Value{Value: -3}}},
{"UInt64Value", `{"u64":"3"}`, &pb.KnownTypes{U64: &wpb.UInt64Value{Value: 3}}},
{"Int32Value", `{"i32":-4}`, &pb.KnownTypes{I32: &wpb.Int32Value{Value: -4}}},
{"UInt32Value", `{"u32":4}`, &pb.KnownTypes{U32: &wpb.UInt32Value{Value: 4}}},
{"BoolValue", `{"bool":true}`, &pb.KnownTypes{Bool: &wpb.BoolValue{Value: true}}},
{"StringValue", `{"str":"plush"}`, &pb.KnownTypes{Str: &wpb.StringValue{Value: "plush"}}},
{"BytesValue", `{"bytes":"d293"}`, &pb.KnownTypes{Bytes: &wpb.BytesValue{Value: []byte("wow")}}},
{"DoubleValue", Unmarshaler{}, `{"dbl":1.2}`, &pb.KnownTypes{Dbl: &wpb.DoubleValue{Value: 1.2}}},
{"FloatValue", Unmarshaler{}, `{"flt":1.2}`, &pb.KnownTypes{Flt: &wpb.FloatValue{Value: 1.2}}},
{"Int64Value", Unmarshaler{}, `{"i64":"-3"}`, &pb.KnownTypes{I64: &wpb.Int64Value{Value: -3}}},
{"UInt64Value", Unmarshaler{}, `{"u64":"3"}`, &pb.KnownTypes{U64: &wpb.UInt64Value{Value: 3}}},
{"Int32Value", Unmarshaler{}, `{"i32":-4}`, &pb.KnownTypes{I32: &wpb.Int32Value{Value: -4}}},
{"UInt32Value", Unmarshaler{}, `{"u32":4}`, &pb.KnownTypes{U32: &wpb.UInt32Value{Value: 4}}},
{"BoolValue", Unmarshaler{}, `{"bool":true}`, &pb.KnownTypes{Bool: &wpb.BoolValue{Value: true}}},
{"StringValue", Unmarshaler{}, `{"str":"plush"}`, &pb.KnownTypes{Str: &wpb.StringValue{Value: "plush"}}},
{"BytesValue", Unmarshaler{}, `{"bytes":"d293"}`, &pb.KnownTypes{Bytes: &wpb.BytesValue{Value: []byte("wow")}}},
// `null` is also a permissible value. Let's just test one.
{"null DoubleValue", `{"dbl":null}`, &pb.KnownTypes{Dbl: &wpb.DoubleValue{}}},
{"null DoubleValue", Unmarshaler{}, `{"dbl":null}`, &pb.KnownTypes{Dbl: &wpb.DoubleValue{}}},
}
func TestUnmarshaling(t *testing.T) {
@ -477,7 +481,7 @@ func TestUnmarshaling(t *testing.T) {
// Make a new instance of the type of our expected object.
p := reflect.New(reflect.TypeOf(tt.pb).Elem()).Interface().(proto.Message)
err := UnmarshalString(tt.json, p)
err := tt.unmarshaler.Unmarshal(strings.NewReader(tt.json), p)
if err != nil {
t.Errorf("%s: %v", tt.desc, err)
continue
@ -507,7 +511,7 @@ func TestUnmarshalNext(t *testing.T) {
// Make a new instance of the type of our expected object.
p := reflect.New(reflect.TypeOf(tt.pb).Elem()).Interface().(proto.Message)
err := UnmarshalNext(dec, p)
err := tt.unmarshaler.UnmarshalNext(dec, p)
if err != nil {
t.Errorf("%s: %v", tt.desc, err)
continue
@ -522,7 +526,7 @@ func TestUnmarshalNext(t *testing.T) {
}
p := &pb.Simple{}
err := UnmarshalNext(dec, p)
err := new(Unmarshaler).UnmarshalNext(dec, p)
if err != io.EOF {
t.Errorf("eof: got %v, expected io.EOF", err)
}
@ -535,6 +539,7 @@ var unmarshalingShouldError = []struct {
}{
{"a value", "666", new(pb.Simple)},
{"gibberish", "{adskja123;l23=-=", new(pb.Simple)},
{"unknown field", `{"unknown": "foo"}`, new(pb.Simple)},
{"unknown enum name", `{"hilarity":"DAVE"}`, new(proto3pb.Message)},
}

33
vendor/github.com/golang/protobuf/proto/clone_test.go generated vendored
View file

@ -195,6 +195,9 @@ var mergeTests = []struct {
NameMapping: map[int32]string{6: "Nigel"},
MsgMapping: map[int64]*pb.FloatingPoint{
0x4001: &pb.FloatingPoint{F: proto.Float64(2.0)},
0x4002: &pb.FloatingPoint{
F: proto.Float64(2.0),
},
},
ByteMapping: map[bool][]byte{true: []byte("wowsa")},
},
@ -203,6 +206,12 @@ var mergeTests = []struct {
6: "Bruce", // should be overwritten
7: "Andrew",
},
MsgMapping: map[int64]*pb.FloatingPoint{
0x4002: &pb.FloatingPoint{
F: proto.Float64(3.0),
Exact: proto.Bool(true),
}, // the entire message should be overwritten
},
},
want: &pb.MessageWithMap{
NameMapping: map[int32]string{
@ -211,6 +220,9 @@ var mergeTests = []struct {
},
MsgMapping: map[int64]*pb.FloatingPoint{
0x4001: &pb.FloatingPoint{F: proto.Float64(2.0)},
0x4002: &pb.FloatingPoint{
F: proto.Float64(2.0),
},
},
ByteMapping: map[bool][]byte{true: []byte("wowsa")},
},
@ -254,6 +266,27 @@ var mergeTests = []struct {
Union: &pb.Communique_Name{"Bobby Tables"},
},
},
{
src: &proto3pb.Message{
Terrain: map[string]*proto3pb.Nested{
"kay_a": &proto3pb.Nested{Cute: true}, // replace
"kay_b": &proto3pb.Nested{Bunny: "rabbit"}, // insert
},
},
dst: &proto3pb.Message{
Terrain: map[string]*proto3pb.Nested{
"kay_a": &proto3pb.Nested{Bunny: "lost"}, // replaced
"kay_c": &proto3pb.Nested{Bunny: "bunny"}, // keep
},
},
want: &proto3pb.Message{
Terrain: map[string]*proto3pb.Nested{
"kay_a": &proto3pb.Nested{Cute: true},
"kay_b": &proto3pb.Nested{Bunny: "rabbit"},
"kay_c": &proto3pb.Nested{Bunny: "bunny"},
},
},
},
}
func TestMerge(t *testing.T) {

28
vendor/github.com/golang/protobuf/proto/extensions.go generated vendored
View file

@ -489,6 +489,34 @@ func GetExtensions(pb Message, es []*ExtensionDesc) (extensions []interface{}, e
return
}
// ExtensionDescs returns a new slice containing pb's extension descriptors, in undefined order.
// For non-registered extensions, ExtensionDescs returns an incomplete descriptor containing
// just the Field field, which defines the extension's field number.
func ExtensionDescs(pb Message) ([]*ExtensionDesc, error) {
epb, ok := extendable(pb)
if !ok {
return nil, fmt.Errorf("proto: %T is not an extendable proto.Message", pb)
}
registeredExtensions := RegisteredExtensions(pb)
emap, mu := epb.extensionsRead()
mu.Lock()
defer mu.Unlock()
extensions := make([]*ExtensionDesc, 0, len(emap))
for extid, e := range emap {
desc := e.desc
if desc == nil {
desc = registeredExtensions[extid]
if desc == nil {
desc = &ExtensionDesc{Field: extid}
}
}
extensions = append(extensions, desc)
}
return extensions, nil
}
// SetExtension sets the specified extension of pb to the specified value.
func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error {
epb, ok := extendable(pb)

51
vendor/github.com/golang/protobuf/proto/extensions_test.go generated vendored
View file

@ -35,6 +35,7 @@ import (
"bytes"
"fmt"
"reflect"
"sort"
"testing"
"github.com/golang/protobuf/proto"
@ -45,7 +46,7 @@ func TestGetExtensionsWithMissingExtensions(t *testing.T) {
msg := &pb.MyMessage{}
ext1 := &pb.Ext{}
if err := proto.SetExtension(msg, pb.E_Ext_More, ext1); err != nil {
t.Fatalf("Could not set ext1: %s", ext1)
t.Fatalf("Could not set ext1: %s", err)
}
exts, err := proto.GetExtensions(msg, []*proto.ExtensionDesc{
pb.E_Ext_More,
@ -62,6 +63,54 @@ func TestGetExtensionsWithMissingExtensions(t *testing.T) {
}
}
func TestExtensionDescsWithMissingExtensions(t *testing.T) {
msg := &pb.MyMessage{Count: proto.Int32(0)}
extdesc1 := pb.E_Ext_More
ext1 := &pb.Ext{}
if err := proto.SetExtension(msg, extdesc1, ext1); err != nil {
t.Fatalf("Could not set ext1: %s", err)
}
extdesc2 := &proto.ExtensionDesc{
ExtendedType: (*pb.MyMessage)(nil),
ExtensionType: (*bool)(nil),
Field: 123456789,
Name: "a.b",
Tag: "varint,123456789,opt",
}
ext2 := proto.Bool(false)
if err := proto.SetExtension(msg, extdesc2, ext2); err != nil {
t.Fatalf("Could not set ext2: %s", err)
}
b, err := proto.Marshal(msg)
if err != nil {
t.Fatalf("Could not marshal msg: %v", err)
}
if err := proto.Unmarshal(b, msg); err != nil {
t.Fatalf("Could not unmarshal into msg: %v", err)
}
descs, err := proto.ExtensionDescs(msg)
if err != nil {
t.Fatalf("proto.ExtensionDescs: got error %v", err)
}
sortExtDescs(descs)
wantDescs := []*proto.ExtensionDesc{extdesc1, &proto.ExtensionDesc{Field: extdesc2.Field}}
if !reflect.DeepEqual(descs, wantDescs) {
t.Errorf("proto.ExtensionDescs(msg) sorted extension ids: got %+v, want %+v", descs, wantDescs)
}
}
type ExtensionDescSlice []*proto.ExtensionDesc
func (s ExtensionDescSlice) Len() int { return len(s) }
func (s ExtensionDescSlice) Less(i, j int) bool { return s[i].Field < s[j].Field }
func (s ExtensionDescSlice) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func sortExtDescs(s []*proto.ExtensionDesc) {
sort.Sort(ExtensionDescSlice(s))
}
func TestGetExtensionStability(t *testing.T) {
check := func(m *pb.MyMessage) bool {
ext1, err := proto.GetExtension(m, pb.E_Ext_More)

81
vendor/github.com/golang/protobuf/proto/proto3_proto/proto3.pb.go generated vendored
View file

@ -124,6 +124,7 @@ func (m *Message) GetManyThings() []*google_protobuf.Any {
type Nested struct {
Bunny string `protobuf:"bytes,1,opt,name=bunny" json:"bunny,omitempty"`
Cute bool `protobuf:"varint,2,opt,name=cute" json:"cute,omitempty"`
}
func (m *Nested) Reset() { *m = Nested{} }
@ -155,44 +156,44 @@ func init() {
}
var fileDescriptor0 = []byte{
// 617 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x84, 0x92, 0x5d, 0x6b, 0xdb, 0x3c,
0x14, 0xc7, 0x1f, 0xc5, 0xa9, 0x93, 0x1e, 0x3b, 0xad, 0xd1, 0xd3, 0x81, 0x1a, 0xc6, 0xf0, 0x32,
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0xb1, 0x53, 0x19, 0xc2, 0xcf, 0xa0, 0x25, 0xd2, 0x9c, 0x85, 0xd9, 0x24, 0x11, 0x59, 0x4c, 0x39,
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0x8c, 0x6c, 0xbb, 0xc8, 0xab, 0x05, 0xfa, 0x82, 0x1d, 0x30, 0xbe, 0xb3, 0x82, 0x6c, 0xb9, 0x86,
0x57, 0x0f, 0xe4, 0x11, 0xbf, 0x02, 0x93, 0xb3, 0x4c, 0xb0, 0x5b, 0x62, 0xba, 0xc8, 0xb3, 0xba,
0x7b, 0xf7, 0x5f, 0x37, 0x50, 0xff, 0x82, 0x92, 0xc1, 0x87, 0xd0, 0x48, 0xc3, 0x69, 0xce, 0x79,
0x41, 0x1c, 0xd7, 0xf8, 0xa7, 0x18, 0x66, 0x7a, 0x2e, 0x59, 0xfc, 0x1e, 0x1a, 0x82, 0xa5, 0x29,
0x8d, 0x38, 0x01, 0xd7, 0xf0, 0xac, 0x6e, 0x67, 0x73, 0xda, 0x95, 0x86, 0xce, 0xb8, 0x48, 0x8b,
0x60, 0x95, 0x82, 0x8f, 0x40, 0x5b, 0xdc, 0x0d, 0xa7, 0x11, 0x5b, 0xdc, 0x12, 0x4b, 0x0d, 0xfa,
0xc8, 0x5f, 0xd9, 0xe9, 0x8f, 0xf2, 0xf1, 0x27, 0x36, 0xa5, 0xf9, 0x42, 0x64, 0x81, 0xa5, 0xd1,
0x73, 0x49, 0xe2, 0xde, 0x3a, 0xf3, 0x07, 0x5d, 0xe4, 0x8c, 0xb4, 0x54, 0xf3, 0xe7, 0x9b, 0x9b,
0x0f, 0x15, 0xf9, 0x55, 0x82, 0x7a, 0x80, 0xb2, 0x94, 0x8a, 0xe0, 0x37, 0xd0, 0xa4, 0xbc, 0x10,
0xf3, 0x88, 0xcf, 0xc8, 0x4e, 0xa9, 0x94, 0x5e, 0x35, 0x7f, 0xb5, 0x6a, 0xfe, 0x31, 0x2f, 0x82,
0x35, 0x85, 0x0f, 0xc1, 0x8a, 0x29, 0x2f, 0x42, 0x75, 0xcb, 0xc8, 0xae, 0xea, 0xbd, 0x39, 0x09,
0x24, 0x78, 0xa5, 0xb8, 0xf6, 0x10, 0xec, 0xaa, 0x0c, 0x2b, 0xcb, 0xf4, 0x4e, 0x2a, 0xcb, 0x5e,
0xc0, 0x96, 0x7e, 0x4e, 0xed, 0x2f, 0x8e, 0x69, 0xe4, 0x5d, 0xed, 0x08, 0xb5, 0xaf, 0xc1, 0x79,
0xf8, 0xb6, 0x0d, 0x55, 0x5f, 0xde, 0xaf, 0xfa, 0x07, 0x79, 0xef, 0xca, 0x76, 0x3e, 0x82, 0xa9,
0x6d, 0xc6, 0x16, 0x34, 0xae, 0x07, 0x17, 0x83, 0x2f, 0x37, 0x03, 0xe7, 0x3f, 0xdc, 0x84, 0xfa,
0xf0, 0x7a, 0x30, 0x72, 0x10, 0x6e, 0xc1, 0xf6, 0xa8, 0x7f, 0x3c, 0x1c, 0x5d, 0xf5, 0x4e, 0x2f,
0x9c, 0x1a, 0xde, 0x05, 0xeb, 0xa4, 0xd7, 0xef, 0x87, 0x27, 0xc7, 0xbd, 0xfe, 0xd9, 0x37, 0xc7,
0xe8, 0x3c, 0x01, 0x53, 0x0f, 0x2b, 0x97, 0x75, 0xac, 0x96, 0x4a, 0xcf, 0xa3, 0x2f, 0x9d, 0x9f,
0x08, 0x76, 0x4a, 0x73, 0x6e, 0x22, 0x31, 0xbf, 0xa4, 0x4b, 0x3c, 0x04, 0x7b, 0x5c, 0x08, 0x16,
0xc6, 0x74, 0xb9, 0x94, 0x4e, 0x20, 0x25, 0xea, 0xeb, 0x8d, 0x86, 0x96, 0x39, 0xfe, 0x49, 0x21,
0xd8, 0xa5, 0xe6, 0x4b, 0x5f, 0xc7, 0x77, 0x91, 0xf6, 0x07, 0x70, 0x1e, 0x02, 0x55, 0x71, 0x9a,
0x5a, 0x9c, 0xbd, 0xaa, 0x38, 0x76, 0x45, 0x85, 0xb1, 0xa9, 0x5b, 0xff, 0x0e, 0x00, 0x00, 0xff,
0xff, 0x54, 0x4a, 0xfa, 0x41, 0xa1, 0x04, 0x00, 0x00,
// 621 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x84, 0x53, 0x5b, 0x6f, 0xd3, 0x4c,
0x10, 0xfd, 0x72, 0xa9, 0xe3, 0x8e, 0x9d, 0xd6, 0xda, 0xaf, 0x48, 0xdb, 0x88, 0x87, 0x12, 0x24,
0x54, 0x71, 0x71, 0x51, 0x10, 0x52, 0x85, 0x10, 0xa8, 0x2d, 0xad, 0x88, 0x9a, 0x86, 0x68, 0xd3,
0x52, 0xf1, 0x64, 0xad, 0xd3, 0x4d, 0x62, 0x11, 0xaf, 0x23, 0x7b, 0x8d, 0xe4, 0xbf, 0xc3, 0xaf,
0xe4, 0x91, 0xbd, 0x38, 0xad, 0x5b, 0x05, 0x78, 0xf2, 0xee, 0xcc, 0x39, 0x33, 0xb3, 0xe7, 0x8c,
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0xf3, 0xbf, 0x60, 0x99, 0xb8, 0xa1, 0x82, 0x1e, 0xa8, 0x83, 0x09, 0x76, 0x7f, 0x59, 0xd0, 0xba,
0x60, 0x59, 0x46, 0x67, 0x0c, 0x21, 0x68, 0x72, 0x1a, 0x33, 0x5c, 0xdb, 0xab, 0xed, 0x6f, 0x12,
0x7d, 0x46, 0x87, 0x60, 0xcf, 0xa3, 0x05, 0x4d, 0x23, 0x51, 0xe0, 0xba, 0x8c, 0x6f, 0xf5, 0x1e,
0xfb, 0xd5, 0x86, 0x7e, 0x49, 0xf6, 0x3f, 0xe7, 0x71, 0x92, 0xa7, 0xe4, 0x16, 0x8d, 0xf6, 0xc0,
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}

1
vendor/github.com/golang/protobuf/proto/proto3_proto/proto3.proto generated vendored
View file

@ -66,6 +66,7 @@ message Message {
message Nested {
string bunny = 1;
bool cute = 2;
}
message MessageWithMap {

555
vendor/github.com/golang/protobuf/proto/testdata/test.pb.go generated vendored
View file

@ -53,9 +53,7 @@ var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
const _ = proto.ProtoPackageIsVersion1
type FOO int32
@ -1268,12 +1266,12 @@ func (m *InnerMessage) GetConnected() bool {
}
type OtherMessage struct {
Key *int64 `protobuf:"varint,1,opt,name=key" json:"key,omitempty"`
Value []byte `protobuf:"bytes,2,opt,name=value" json:"value,omitempty"`
Weight *float32 `protobuf:"fixed32,3,opt,name=weight" json:"weight,omitempty"`
Inner *InnerMessage `protobuf:"bytes,4,opt,name=inner" json:"inner,omitempty"`
proto.XXX_InternalExtensions `json:"-"`
XXX_unrecognized []byte `json:"-"`
Key *int64 `protobuf:"varint,1,opt,name=key" json:"key,omitempty"`
Value []byte `protobuf:"bytes,2,opt,name=value" json:"value,omitempty"`
Weight *float32 `protobuf:"fixed32,3,opt,name=weight" json:"weight,omitempty"`
Inner *InnerMessage `protobuf:"bytes,4,opt,name=inner" json:"inner,omitempty"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *OtherMessage) Reset() { *m = OtherMessage{} }
@ -1288,6 +1286,12 @@ var extRange_OtherMessage = []proto.ExtensionRange{
func (*OtherMessage) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_OtherMessage
}
func (m *OtherMessage) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
func (m *OtherMessage) GetKey() int64 {
if m != nil && m.Key != nil {
@ -1346,10 +1350,10 @@ type MyMessage struct {
Bikeshed *MyMessage_Color `protobuf:"varint,7,opt,name=bikeshed,enum=testdata.MyMessage_Color" json:"bikeshed,omitempty"`
Somegroup *MyMessage_SomeGroup `protobuf:"group,8,opt,name=SomeGroup,json=somegroup" json:"somegroup,omitempty"`
// This field becomes [][]byte in the generated code.
RepBytes [][]byte `protobuf:"bytes,10,rep,name=rep_bytes,json=repBytes" json:"rep_bytes,omitempty"`
Bigfloat *float64 `protobuf:"fixed64,11,opt,name=bigfloat" json:"bigfloat,omitempty"`
proto.XXX_InternalExtensions `json:"-"`
XXX_unrecognized []byte `json:"-"`
RepBytes [][]byte `protobuf:"bytes,10,rep,name=rep_bytes,json=repBytes" json:"rep_bytes,omitempty"`
Bigfloat *float64 `protobuf:"fixed64,11,opt,name=bigfloat" json:"bigfloat,omitempty"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *MyMessage) Reset() { *m = MyMessage{} }
@ -1364,6 +1368,12 @@ var extRange_MyMessage = []proto.ExtensionRange{
func (*MyMessage) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_MyMessage
}
func (m *MyMessage) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
func (m *MyMessage) GetCount() int32 {
if m != nil && m.Count != nil {
@ -1541,8 +1551,8 @@ func (m *ComplexExtension) GetThird() []int32 {
}
type DefaultsMessage struct {
proto.XXX_InternalExtensions `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *DefaultsMessage) Reset() { *m = DefaultsMessage{} }
@ -1557,10 +1567,16 @@ var extRange_DefaultsMessage = []proto.ExtensionRange{
func (*DefaultsMessage) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_DefaultsMessage
}
func (m *DefaultsMessage) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
type MyMessageSet struct {
proto.XXX_InternalExtensions `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *MyMessageSet) Reset() { *m = MyMessageSet{} }
@ -1569,16 +1585,16 @@ func (*MyMessageSet) ProtoMessage() {}
func (*MyMessageSet) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{16} }
func (m *MyMessageSet) Marshal() ([]byte, error) {
return proto.MarshalMessageSet(&m.XXX_InternalExtensions)
return proto.MarshalMessageSet(m.ExtensionMap())
}
func (m *MyMessageSet) Unmarshal(buf []byte) error {
return proto.UnmarshalMessageSet(buf, &m.XXX_InternalExtensions)
return proto.UnmarshalMessageSet(buf, m.ExtensionMap())
}
func (m *MyMessageSet) MarshalJSON() ([]byte, error) {
return proto.MarshalMessageSetJSON(&m.XXX_InternalExtensions)
return proto.MarshalMessageSetJSON(m.XXX_extensions)
}
func (m *MyMessageSet) UnmarshalJSON(buf []byte) error {
return proto.UnmarshalMessageSetJSON(buf, &m.XXX_InternalExtensions)
return proto.UnmarshalMessageSetJSON(buf, m.XXX_extensions)
}
// ensure MyMessageSet satisfies proto.Marshaler and proto.Unmarshaler
@ -1592,6 +1608,12 @@ var extRange_MyMessageSet = []proto.ExtensionRange{
func (*MyMessageSet) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_MyMessageSet
}
func (m *MyMessageSet) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
type Empty struct {
XXX_unrecognized []byte `json:"-"`
@ -2035,6 +2057,7 @@ func (m *GroupNew_G) GetY() int32 {
type FloatingPoint struct {
F *float64 `protobuf:"fixed64,1,req,name=f" json:"f,omitempty"`
Exact *bool `protobuf:"varint,2,opt,name=exact" json:"exact,omitempty"`
XXX_unrecognized []byte `json:"-"`
}
@ -2050,6 +2073,13 @@ func (m *FloatingPoint) GetF() float64 {
return 0
}
func (m *FloatingPoint) GetExact() bool {
if m != nil && m.Exact != nil {
return *m.Exact
}
return false
}
type MessageWithMap struct {
NameMapping map[int32]string `protobuf:"bytes,1,rep,name=name_mapping,json=nameMapping" json:"name_mapping,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
MsgMapping map[int64]*FloatingPoint `protobuf:"bytes,2,rep,name=msg_mapping,json=msgMapping" json:"msg_mapping,omitempty" protobuf_key:"zigzag64,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
@ -3726,41 +3756,39 @@ func init() {
proto.RegisterExtension(E_X250)
}
func init() { proto.RegisterFile("test.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
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}

1
vendor/github.com/golang/protobuf/proto/testdata/test.proto generated vendored
View file

@ -488,6 +488,7 @@ message GroupNew {
message FloatingPoint {
required double f = 1;
optional bool exact = 2;
}
message MessageWithMap {

90
vendor/github.com/golang/protobuf/protoc-gen-go/descriptor/descriptor.pb.go generated vendored
View file

@ -42,9 +42,7 @@ var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
const _ = proto.ProtoPackageIsVersion1
type FieldDescriptorProto_Type int32
@ -945,9 +943,9 @@ type FileOptions struct {
// Namespace for generated classes; defaults to the package.
CsharpNamespace *string `protobuf:"bytes,37,opt,name=csharp_namespace,json=csharpNamespace" json:"csharp_namespace,omitempty"`
// The parser stores options it doesn't recognize here. See above.
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
proto.XXX_InternalExtensions `json:"-"`
XXX_unrecognized []byte `json:"-"`
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *FileOptions) Reset() { *m = FileOptions{} }
@ -962,6 +960,12 @@ var extRange_FileOptions = []proto.ExtensionRange{
func (*FileOptions) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_FileOptions
}
func (m *FileOptions) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
const Default_FileOptions_JavaMultipleFiles bool = false
const Default_FileOptions_JavaGenerateEqualsAndHash bool = false
@ -1130,9 +1134,9 @@ type MessageOptions struct {
// parser.
MapEntry *bool `protobuf:"varint,7,opt,name=map_entry,json=mapEntry" json:"map_entry,omitempty"`
// The parser stores options it doesn't recognize here. See above.
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
proto.XXX_InternalExtensions `json:"-"`
XXX_unrecognized []byte `json:"-"`
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *MessageOptions) Reset() { *m = MessageOptions{} }
@ -1147,6 +1151,12 @@ var extRange_MessageOptions = []proto.ExtensionRange{
func (*MessageOptions) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_MessageOptions
}
func (m *MessageOptions) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
const Default_MessageOptions_MessageSetWireFormat bool = false
const Default_MessageOptions_NoStandardDescriptorAccessor bool = false
@ -1246,9 +1256,9 @@ type FieldOptions struct {
// For Google-internal migration only. Do not use.
Weak *bool `protobuf:"varint,10,opt,name=weak,def=0" json:"weak,omitempty"`
// The parser stores options it doesn't recognize here. See above.
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
proto.XXX_InternalExtensions `json:"-"`
XXX_unrecognized []byte `json:"-"`
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *FieldOptions) Reset() { *m = FieldOptions{} }
@ -1263,6 +1273,12 @@ var extRange_FieldOptions = []proto.ExtensionRange{
func (*FieldOptions) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_FieldOptions
}
func (m *FieldOptions) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
const Default_FieldOptions_Ctype FieldOptions_CType = FieldOptions_STRING
const Default_FieldOptions_Jstype FieldOptions_JSType = FieldOptions_JS_NORMAL
@ -1329,9 +1345,9 @@ type EnumOptions struct {
// is a formalization for deprecating enums.
Deprecated *bool `protobuf:"varint,3,opt,name=deprecated,def=0" json:"deprecated,omitempty"`
// The parser stores options it doesn't recognize here. See above.
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
proto.XXX_InternalExtensions `json:"-"`
XXX_unrecognized []byte `json:"-"`
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *EnumOptions) Reset() { *m = EnumOptions{} }
@ -1346,6 +1362,12 @@ var extRange_EnumOptions = []proto.ExtensionRange{
func (*EnumOptions) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_EnumOptions
}
func (m *EnumOptions) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
const Default_EnumOptions_Deprecated bool = false
@ -1377,9 +1399,9 @@ type EnumValueOptions struct {
// this is a formalization for deprecating enum values.
Deprecated *bool `protobuf:"varint,1,opt,name=deprecated,def=0" json:"deprecated,omitempty"`
// The parser stores options it doesn't recognize here. See above.
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
proto.XXX_InternalExtensions `json:"-"`
XXX_unrecognized []byte `json:"-"`
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *EnumValueOptions) Reset() { *m = EnumValueOptions{} }
@ -1394,6 +1416,12 @@ var extRange_EnumValueOptions = []proto.ExtensionRange{
func (*EnumValueOptions) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_EnumValueOptions
}
func (m *EnumValueOptions) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
const Default_EnumValueOptions_Deprecated bool = false
@ -1418,9 +1446,9 @@ type ServiceOptions struct {
// this is a formalization for deprecating services.
Deprecated *bool `protobuf:"varint,33,opt,name=deprecated,def=0" json:"deprecated,omitempty"`
// The parser stores options it doesn't recognize here. See above.
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
proto.XXX_InternalExtensions `json:"-"`
XXX_unrecognized []byte `json:"-"`
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *ServiceOptions) Reset() { *m = ServiceOptions{} }
@ -1435,6 +1463,12 @@ var extRange_ServiceOptions = []proto.ExtensionRange{
func (*ServiceOptions) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_ServiceOptions
}
func (m *ServiceOptions) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
const Default_ServiceOptions_Deprecated bool = false
@ -1459,9 +1493,9 @@ type MethodOptions struct {
// this is a formalization for deprecating methods.
Deprecated *bool `protobuf:"varint,33,opt,name=deprecated,def=0" json:"deprecated,omitempty"`
// The parser stores options it doesn't recognize here. See above.
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
proto.XXX_InternalExtensions `json:"-"`
XXX_unrecognized []byte `json:"-"`
UninterpretedOption []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
XXX_extensions map[int32]proto.Extension `json:"-"`
XXX_unrecognized []byte `json:"-"`
}
func (m *MethodOptions) Reset() { *m = MethodOptions{} }
@ -1476,6 +1510,12 @@ var extRange_MethodOptions = []proto.ExtensionRange{
func (*MethodOptions) ExtensionRangeArray() []proto.ExtensionRange {
return extRange_MethodOptions
}
func (m *MethodOptions) ExtensionMap() map[int32]proto.Extension {
if m.XXX_extensions == nil {
m.XXX_extensions = make(map[int32]proto.Extension)
}
return m.XXX_extensions
}
const Default_MethodOptions_Deprecated bool = false
@ -1889,8 +1929,6 @@ func init() {
proto.RegisterEnum("google.protobuf.FieldOptions_JSType", FieldOptions_JSType_name, FieldOptions_JSType_value)
}
func init() { proto.RegisterFile("google/protobuf/descriptor.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
// 2247 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xcc, 0x59, 0x4f, 0x8f, 0xdb, 0xc6,

6
vendor/github.com/golang/protobuf/protoc-gen-go/plugin/plugin.pb.go generated vendored
View file

@ -26,9 +26,7 @@ var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
const _ = proto.ProtoPackageIsVersion1
// An encoded CodeGeneratorRequest is written to the plugin's stdin.
type CodeGeneratorRequest struct {
@ -202,8 +200,6 @@ func init() {
proto.RegisterType((*CodeGeneratorResponse_File)(nil), "google.protobuf.compiler.CodeGeneratorResponse.File")
}
func init() { proto.RegisterFile("google/protobuf/compiler/plugin.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
// 311 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x74, 0x91, 0xd1, 0x4a, 0xfb, 0x30,

7
vendor/github.com/hashicorp/hcl/decoder.go generated vendored
View file

@ -517,6 +517,12 @@ func (d *decoder) decodeStruct(name string, node ast.Node, result reflect.Value)
structType := structVal.Type()
for i := 0; i < structType.NumField(); i++ {
fieldType := structType.Field(i)
tagParts := strings.Split(fieldType.Tag.Get(tagName), ",")
// Ignore fields with tag name "-"
if tagParts[0] == "-" {
continue
}
if fieldType.Anonymous {
fieldKind := fieldType.Type.Kind()
@ -531,7 +537,6 @@ func (d *decoder) decodeStruct(name string, node ast.Node, result reflect.Value)
// We have an embedded field. We "squash" the fields down
// if specified in the tag.
squash := false
tagParts := strings.Split(fieldType.Tag.Get(tagName), ",")
for _, tag := range tagParts[1:] {
if tag == "squash" {
squash = true

47
vendor/github.com/hashicorp/hcl/decoder_test.go generated vendored
View file

@ -269,9 +269,7 @@ func TestDecode_interface(t *testing.T) {
{
"nested_provider_bad.hcl",
true,
// This is not ideal but without significant rework of the decoder
// we get a partial result back as well as an error.
map[string]interface{}{},
nil,
},
{
@ -334,6 +332,42 @@ func TestDecode_interface(t *testing.T) {
}
}
func TestDecode_interfaceInline(t *testing.T) {
cases := []struct {
Value string
Err bool
Out interface{}
}{
{"t t e{{}}", true, nil},
{"t=0t d {}", true, map[string]interface{}{"t": 0}},
{"v=0E0v d{}", true, map[string]interface{}{"v": float64(0)}},
}
for _, tc := range cases {
t.Logf("Testing: %q", tc.Value)
var out interface{}
err := Decode(&out, tc.Value)
if (err != nil) != tc.Err {
t.Fatalf("Input: %q\n\nError: %s", tc.Value, err)
}
if !reflect.DeepEqual(out, tc.Out) {
t.Fatalf("Input: %q. Actual, Expected.\n\n%#v\n\n%#v", tc.Value, out, tc.Out)
}
var v interface{}
err = Unmarshal([]byte(tc.Value), &v)
if (err != nil) != tc.Err {
t.Fatalf("Input: %q\n\nError: %s", tc.Value, err)
}
if !reflect.DeepEqual(v, tc.Out) {
t.Fatalf("Input: %q. Actual, Expected.\n\n%#v\n\n%#v", tc.Value, out, tc.Out)
}
}
}
func TestDecode_equal(t *testing.T) {
cases := []struct {
One, Two string
@ -417,9 +451,12 @@ func TestDecode_flatMap(t *testing.T) {
}
func TestDecode_structure(t *testing.T) {
type Embedded interface{}
type V struct {
Key int
Foo string
Embedded `hcl:"-"`
Key int
Foo string
}
var actual V

6
vendor/github.com/hashicorp/hcl/hcl/ast/ast.go generated vendored
View file

@ -133,6 +133,12 @@ type ObjectItem struct {
}
func (o *ObjectItem) Pos() token.Pos {
// I'm not entirely sure what causes this, but removing this causes
// a test failure. We should investigate at some point.
if len(o.Keys) == 0 {
return token.Pos{}
}
return o.Keys[0].Pos()
}

2
vendor/github.com/hashicorp/hcl/hcl/fmtcmd/fmtcmd.go generated vendored
View file

@ -25,7 +25,7 @@ var (
type Options struct {
List bool // list files whose formatting differs
Write bool // write result to (source) file instead of stdout
Diff bool // display diffs instead of rewriting files
Diff bool // display diffs of formatting changes
}
func isValidFile(f os.FileInfo, extensions []string) bool {

15
vendor/github.com/hashicorp/hcl/hcl/parser/parser.go generated vendored
View file

@ -220,8 +220,19 @@ func (p *Parser) objectKey() ([]*ast.ObjectKey, error) {
return keys, nil
case token.LBRACE:
var err error
// If we have no keys, then it is a syntax error. i.e. {{}} is not
// allowed.
if len(keys) == 0 {
err = &PosError{
Pos: p.tok.Pos,
Err: fmt.Errorf("expected: IDENT | STRING got: %s", p.tok.Type),
}
}
// object
return keys, nil
return keys, err
case token.IDENT, token.STRING:
keyCount++
keys = append(keys, &ast.ObjectKey{Token: p.tok})
@ -320,7 +331,7 @@ func (p *Parser) listType() (*ast.ListType, error) {
// get next list item or we are at the end
// do a look-ahead for line comment
p.scan()
if p.lineComment != nil {
if p.lineComment != nil && len(l.List) > 0 {
lit, ok := l.List[len(l.List)-1].(*ast.LiteralType)
if ok {
lit.LineComment = p.lineComment

23
vendor/github.com/hashicorp/hcl/hcl/parser/parser_test.go generated vendored
View file

@ -332,6 +332,29 @@ func TestParse(t *testing.T) {
}
}
func TestParse_inline(t *testing.T) {
cases := []struct {
Value string
Err bool
}{
{"t t e{{}}", true},
{"o{{}}", true},
{"t t e d N{{}}", true},
{"t t e d{{}}", true},
{"N{}N{{}}", true},
{"v\nN{{}}", true},
{"v=/\n[,", true},
}
for _, tc := range cases {
t.Logf("Testing: %q", tc.Value)
_, err := Parse([]byte(tc.Value))
if (err != nil) != tc.Err {
t.Fatalf("Input: %q\n\nError: %s\n\nAST: %s", tc.Value, err)
}
}
}
// equals fails the test if exp is not equal to act.
func equals(tb testing.TB, exp, act interface{}) {
if !reflect.DeepEqual(exp, act) {

6
vendor/github.com/hashicorp/hcl/json/parser/parser.go generated vendored
View file

@ -128,6 +128,12 @@ func (p *Parser) objectKey() ([]*ast.ObjectKey, error) {
Token: p.tok.HCLToken(),
})
case token.COLON:
// If we have a zero keycount it means that we never got
// an object key, i.e. `{ :`. This is a syntax error.
if keyCount == 0 {
return nil, fmt.Errorf("expected: STRING got: %s", p.tok.Type)
}
// Done
return keys, nil
case token.ILLEGAL:

20
vendor/github.com/hashicorp/hcl/json/parser/parser_test.go generated vendored
View file

@ -311,6 +311,10 @@ func TestParse(t *testing.T) {
"types.json",
false,
},
{
"bad_input_128.json",
true,
},
}
const fixtureDir = "./test-fixtures"
@ -328,6 +332,22 @@ func TestParse(t *testing.T) {
}
}
func TestParse_inline(t *testing.T) {
cases := []struct {
Value string
Err bool
}{
{"{:{", true},
}
for _, tc := range cases {
_, err := Parse([]byte(tc.Value))
if (err != nil) != tc.Err {
t.Fatalf("Input: %q\n\nError: %s", tc.Value, err)
}
}
}
// equals fails the test if exp is not equal to act.
func equals(tb testing.TB, exp, act interface{}) {
if !reflect.DeepEqual(exp, act) {

1
vendor/github.com/hashicorp/hcl/json/parser/test-fixtures/bad_input_128.json generated vendored Normal file
View file

@ -0,0 +1 @@
{:{

10
vendor/golang.org/x/crypto/.gitattributes generated vendored Normal file
View file

@ -0,0 +1,10 @@
# Treat all files in this repo as binary, with no git magic updating
# line endings. Windows users contributing to Go will need to use a
# modern version of git and editors capable of LF line endings.
#
# We'll prevent accidental CRLF line endings from entering the repo
# via the git-review gofmt checks.
#
# See golang.org/issue/9281
* -text

2
vendor/golang.org/x/crypto/.gitignore generated vendored Normal file
View file

@ -0,0 +1,2 @@
# Add no patterns to .hgignore except for files generated by the build.
last-change

3
vendor/golang.org/x/crypto/AUTHORS generated vendored Normal file
View file

@ -0,0 +1,3 @@
# This source code refers to The Go Authors for copyright purposes.
# The master list of authors is in the main Go distribution,
# visible at http://tip.golang.org/AUTHORS.

31
vendor/golang.org/x/crypto/CONTRIBUTING.md generated vendored Normal file
View file

@ -0,0 +1,31 @@
# Contributing to Go
Go is an open source project.
It is the work of hundreds of contributors. We appreciate your help!
## Filing issues
When [filing an issue](https://golang.org/issue/new), make sure to answer these five questions:
1. What version of Go are you using (`go version`)?
2. What operating system and processor architecture are you using?
3. What did you do?
4. What did you expect to see?
5. What did you see instead?
General questions should go to the [golang-nuts mailing list](https://groups.google.com/group/golang-nuts) instead of the issue tracker.
The gophers there will answer or ask you to file an issue if you've tripped over a bug.
## Contributing code
Please read the [Contribution Guidelines](https://golang.org/doc/contribute.html)
before sending patches.
**We do not accept GitHub pull requests**
(we use [Gerrit](https://code.google.com/p/gerrit/) instead for code review).
Unless otherwise noted, the Go source files are distributed under
the BSD-style license found in the LICENSE file.

3
vendor/golang.org/x/crypto/CONTRIBUTORS generated vendored Normal file
View file

@ -0,0 +1,3 @@
# This source code was written by the Go contributors.
# The master list of contributors is in the main Go distribution,
# visible at http://tip.golang.org/CONTRIBUTORS.

27
vendor/golang.org/x/crypto/LICENSE generated vendored Normal file
View file

@ -0,0 +1,27 @@
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

22
vendor/golang.org/x/crypto/PATENTS generated vendored Normal file
View file

@ -0,0 +1,22 @@
Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

3
vendor/golang.org/x/crypto/README generated vendored Normal file
View file

@ -0,0 +1,3 @@
This repository holds supplementary Go cryptography libraries.
To submit changes to this repository, see http://golang.org/doc/contribute.html.

473
vendor/golang.org/x/crypto/acme/internal/acme/acme.go generated vendored Normal file
View file

@ -0,0 +1,473 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package acme provides an ACME client implementation.
// See https://ietf-wg-acme.github.io/acme/ for details.
//
// This package is a work in progress and makes no API stability promises.
package acme
import (
"bytes"
"crypto/rsa"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"strconv"
"strings"
"time"
"golang.org/x/net/context"
)
// Client is an ACME client.
type Client struct {
// HTTPClient optionally specifies an HTTP client to use
// instead of http.DefaultClient.
HTTPClient *http.Client
// Key is the account key used to register with a CA
// and sign requests.
Key *rsa.PrivateKey
}
// Discover performs ACME server discovery using the provided discovery endpoint URL.
func (c *Client) Discover(url string) (*Directory, error) {
res, err := c.httpClient().Get(url)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
return nil, responseError(res)
}
var v struct {
Reg string `json:"new-reg"`
Authz string `json:"new-authz"`
Cert string `json:"new-cert"`
Revoke string `json:"revoke-cert"`
Meta struct {
Terms string `json:"terms-of-service"`
Website string `json:"website"`
CAA []string `json:"caa-identities"`
}
}
if json.NewDecoder(res.Body).Decode(&v); err != nil {
return nil, err
}
return &Directory{
RegURL: v.Reg,
AuthzURL: v.Authz,
CertURL: v.Cert,
RevokeURL: v.Revoke,
Terms: v.Meta.Terms,
Website: v.Meta.Website,
CAA: v.Meta.CAA,
}, nil
}
// CreateCert requests a new certificate.
// In the case where CA server does not provide the issued certificate in the response,
// CreateCert will poll certURL using c.FetchCert, which will result in additional round-trips.
// In such scenario the caller can cancel the polling with ctx.
//
// If the bundle is true, the returned value will also contain CA (the issuer) certificate.
// The url argument is an Directory.CertURL value, typically obtained from c.Discover.
// The csr is a DER encoded certificate signing request.
func (c *Client) CreateCert(ctx context.Context, url string, csr []byte, exp time.Duration, bundle bool) (der [][]byte, certURL string, err error) {
req := struct {
Resource string `json:"resource"`
CSR string `json:"csr"`
NotBefore string `json:"notBefore,omitempty"`
NotAfter string `json:"notAfter,omitempty"`
}{
Resource: "new-cert",
CSR: base64.RawURLEncoding.EncodeToString(csr),
}
now := timeNow()
req.NotBefore = now.Format(time.RFC3339)
if exp > 0 {
req.NotAfter = now.Add(exp).Format(time.RFC3339)
}
res, err := c.postJWS(url, req)
if err != nil {
return nil, "", err
}
defer res.Body.Close()
if res.StatusCode != http.StatusCreated {
return nil, "", responseError(res)
}
curl := res.Header.Get("location") // cert permanent URL
if res.ContentLength == 0 {
// no cert in the body; poll until we get it
cert, err := c.FetchCert(ctx, curl, bundle)
return cert, curl, err
}
// slurp issued cert and ca, if requested
cert, err := responseCert(c.httpClient(), res, bundle)
return cert, curl, err
}
// FetchCert retrieves already issued certificate from the given url, in DER format.
// It retries the request until the certificate is successfully retrieved,
// context is cancelled by the caller or an error response is received.
//
// The returned value will also contain CA (the issuer) certificate if bundle == true.
//
// http.DefaultClient is used if client argument is nil.
func (c *Client) FetchCert(ctx context.Context, url string, bundle bool) ([][]byte, error) {
for {
res, err := c.httpClient().Get(url)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode == http.StatusOK {
return responseCert(c.httpClient(), res, bundle)
}
if res.StatusCode > 299 {
return nil, responseError(res)
}
d, err := retryAfter(res.Header.Get("retry-after"))
if err != nil {
d = 3 * time.Second
}
select {
case <-time.After(d):
// retry
case <-ctx.Done():
return nil, ctx.Err()
}
}
}
// Register creates a new account registration by following the "new-reg" flow.
// It returns registered account. The a argument is not modified.
//
// The url argument is typically an Directory.RegURL obtained from c.Discover.
func (c *Client) Register(url string, a *Account) (*Account, error) {
return c.doReg(url, "new-reg", a)
}
// GetReg retrieves an existing registration.
// The url argument is an Account.URI, typically obtained from c.Register.
func (c *Client) GetReg(url string) (*Account, error) {
a := &Account{URI: url}
return c.doReg(url, "reg", a)
}
// UpdateReg updates an existing registration.
// It returns an updated account copy. The provided account is not modified.
//
// The url argument is an Account.URI, usually obtained with c.Register.
func (c *Client) UpdateReg(url string, a *Account) (*Account, error) {
return c.doReg(url, "reg", a)
}
// Authorize performs the initial step in an authorization flow.
// The caller will then need to choose from and perform a set of returned
// challenges using c.Accept in order to successfully complete authorization.
//
// The url argument is an authz URL, usually obtained with c.Register.
func (c *Client) Authorize(url, domain string) (*Authorization, error) {
type authzID struct {
Type string `json:"type"`
Value string `json:"value"`
}
req := struct {
Resource string `json:"resource"`
Identifier authzID `json:"identifier"`
}{
Resource: "new-authz",
Identifier: authzID{Type: "dns", Value: domain},
}
res, err := c.postJWS(url, req)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusCreated {
return nil, responseError(res)
}
var v wireAuthz
if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
return nil, fmt.Errorf("Decode: %v", err)
}
if v.Status != StatusPending {
return nil, fmt.Errorf("Unexpected status: %s", v.Status)
}
return v.authorization(res.Header.Get("Location")), nil
}
// GetAuthz retrieves the current status of an authorization flow.
//
// A client typically polls an authz status using this method.
func (c *Client) GetAuthz(url string) (*Authorization, error) {
res, err := c.httpClient().Get(url)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK && res.StatusCode != http.StatusAccepted {
return nil, responseError(res)
}
var v wireAuthz
if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
return nil, fmt.Errorf("Decode: %v", err)
}
return v.authorization(url), nil
}
// GetChallenge retrieves the current status of an challenge.
//
// A client typically polls a challenge status using this method.
func (c *Client) GetChallenge(url string) (*Challenge, error) {
res, err := c.httpClient().Get(url)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK && res.StatusCode != http.StatusAccepted {
return nil, responseError(res)
}
v := wireChallenge{URI: url}
if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
return nil, fmt.Errorf("Decode: %v", err)
}
return v.challenge(), nil
}
// Accept informs the server that the client accepts one of its challenges
// previously obtained with c.Authorize.
//
// The server will then perform the validation asynchronously.
func (c *Client) Accept(chal *Challenge) (*Challenge, error) {
req := struct {
Resource string `json:"resource"`
Type string `json:"type"`
Auth string `json:"keyAuthorization"`
}{
Resource: "challenge",
Type: chal.Type,
Auth: keyAuth(&c.Key.PublicKey, chal.Token),
}
res, err := c.postJWS(chal.URI, req)
if err != nil {
return nil, err
}
defer res.Body.Close()
// Note: the protocol specifies 200 as the expected response code, but
// letsencrypt seems to be returning 202.
if res.StatusCode != http.StatusOK && res.StatusCode != http.StatusAccepted {
return nil, responseError(res)
}
var v wireChallenge
if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
return nil, fmt.Errorf("Decode: %v", err)
}
return v.challenge(), nil
}
// HTTP01Handler creates a new handler which responds to a http-01 challenge.
// The token argument is a Challenge.Token value.
func (c *Client) HTTP01Handler(token string) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if !strings.HasSuffix(r.URL.Path, token) {
w.WriteHeader(http.StatusNotFound)
return
}
w.Header().Set("content-type", "text/plain")
w.Write([]byte(keyAuth(&c.Key.PublicKey, token)))
})
}
func (c *Client) httpClient() *http.Client {
if c.HTTPClient != nil {
return c.HTTPClient
}
return http.DefaultClient
}
// postJWS signs body and posts it to the provided url.
// The body argument must be JSON-serializable.
func (c *Client) postJWS(url string, body interface{}) (*http.Response, error) {
nonce, err := fetchNonce(c.httpClient(), url)
if err != nil {
return nil, err
}
b, err := jwsEncodeJSON(body, c.Key, nonce)
if err != nil {
return nil, err
}
req, err := http.NewRequest("POST", url, bytes.NewReader(b))
if err != nil {
return nil, err
}
return c.httpClient().Do(req)
}
// doReg sends all types of registration requests.
// The type of request is identified by typ argument, which is a "resource"
// in the ACME spec terms.
//
// A non-nil acct argument indicates whether the intention is to mutate data
// of the Account. Only Contact and Agreement of its fields are used
// in such cases.
//
// The fields of acct will be populate with the server response
// and may be overwritten.
func (c *Client) doReg(url string, typ string, acct *Account) (*Account, error) {
req := struct {
Resource string `json:"resource"`
Contact []string `json:"contact,omitempty"`
Agreement string `json:"agreement,omitempty"`
}{
Resource: typ,
}
if acct != nil {
req.Contact = acct.Contact
req.Agreement = acct.AgreedTerms
}
res, err := c.postJWS(url, req)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode < 200 || res.StatusCode > 299 {
return nil, responseError(res)
}
var v struct {
Contact []string
Agreement string
Authorizations string
Certificates string
}
if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
return nil, fmt.Errorf("Decode: %v", err)
}
return &Account{
URI: res.Header.Get("Location"),
Contact: v.Contact,
AgreedTerms: v.Agreement,
CurrentTerms: linkHeader(res.Header, "terms-of-service"),
Authz: linkHeader(res.Header, "next"),
Authorizations: v.Authorizations,
Certificates: v.Certificates,
}, nil
}
func responseCert(client *http.Client, res *http.Response, bundle bool) ([][]byte, error) {
b, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, fmt.Errorf("ReadAll: %v", err)
}
cert := [][]byte{b}
if !bundle {
return cert, nil
}
// append ca cert
up := linkHeader(res.Header, "up")
if up == "" {
return nil, errors.New("rel=up link not found")
}
res, err = client.Get(up)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
return nil, responseError(res)
}
b, err = ioutil.ReadAll(res.Body)
if err != nil {
return nil, err
}
return append(cert, b), nil
}
// responseError creates an error of Error type from resp.
func responseError(resp *http.Response) error {
// don't care if ReadAll returns an error:
// json.Unmarshal will fail in that case anyway
b, _ := ioutil.ReadAll(resp.Body)
e := struct {
Status int
Type string
Detail string
}{
Status: resp.StatusCode,
}
if err := json.Unmarshal(b, &e); err != nil {
// this is not a regular error response:
// populate detail with anything we received,
// e.Status will already contain HTTP response code value
e.Detail = string(b)
if e.Detail == "" {
e.Detail = resp.Status
}
}
return &Error{
StatusCode: e.Status,
ProblemType: e.Type,
Detail: e.Detail,
Header: resp.Header,
}
}
func fetchNonce(client *http.Client, url string) (string, error) {
resp, err := client.Head(url)
if err != nil {
return "", nil
}
defer resp.Body.Close()
enc := resp.Header.Get("replay-nonce")
if enc == "" {
return "", errors.New("nonce not found")
}
return enc, nil
}
func linkHeader(h http.Header, rel string) string {
for _, v := range h["Link"] {
parts := strings.Split(v, ";")
for _, p := range parts {
p = strings.TrimSpace(p)
if !strings.HasPrefix(p, "rel=") {
continue
}
if v := strings.Trim(p[4:], `"`); v == rel {
return strings.Trim(parts[0], "<>")
}
}
}
return ""
}
func retryAfter(v string) (time.Duration, error) {
if i, err := strconv.Atoi(v); err == nil {
return time.Duration(i) * time.Second, nil
}
t, err := http.ParseTime(v)
if err != nil {
return 0, err
}
return t.Sub(timeNow()), nil
}
// keyAuth generates a key authorization string for a given token.
func keyAuth(pub *rsa.PublicKey, token string) string {
return fmt.Sprintf("%s.%s", token, JWKThumbprint(pub))
}
// timeNow is useful for testing for fixed current time.
var timeNow = time.Now

759
vendor/golang.org/x/crypto/acme/internal/acme/acme_test.go generated vendored Normal file
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package acme
import (
"crypto/rand"
"crypto/x509"
"crypto/x509/pkix"
"encoding/base64"
"encoding/json"
"fmt"
"io/ioutil"
"math/big"
"net/http"
"net/http/httptest"
"reflect"
"strings"
"testing"
"time"
"golang.org/x/net/context"
)
// Decodes a JWS-encoded request and unmarshals the decoded JSON into a provided
// interface.
func decodeJWSRequest(t *testing.T, v interface{}, r *http.Request) {
// Decode request
var req struct{ Payload string }
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
t.Fatal(err)
}
payload, err := base64.RawURLEncoding.DecodeString(req.Payload)
if err != nil {
t.Fatal(err)
}
err = json.Unmarshal(payload, v)
if err != nil {
t.Fatal(err)
}
}
func TestDiscover(t *testing.T) {
const (
reg = "https://example.com/acme/new-reg"
authz = "https://example.com/acme/new-authz"
cert = "https://example.com/acme/new-cert"
revoke = "https://example.com/acme/revoke-cert"
)
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("content-type", "application/json")
fmt.Fprintf(w, `{
"new-reg": %q,
"new-authz": %q,
"new-cert": %q,
"revoke-cert": %q
}`, reg, authz, cert, revoke)
}))
defer ts.Close()
ep, err := (&Client{}).Discover(ts.URL)
if err != nil {
t.Fatal(err)
}
if ep.RegURL != reg {
t.Errorf("RegURL = %q; want %q", ep.RegURL, reg)
}
if ep.AuthzURL != authz {
t.Errorf("authzURL = %q; want %q", ep.AuthzURL, authz)
}
if ep.CertURL != cert {
t.Errorf("certURL = %q; want %q", ep.CertURL, cert)
}
if ep.RevokeURL != revoke {
t.Errorf("revokeURL = %q; want %q", ep.RevokeURL, revoke)
}
}
func TestRegister(t *testing.T) {
contacts := []string{"mailto:admin@example.com"}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("replay-nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string
Contact []string
Agreement string
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "new-reg" {
t.Errorf("j.Resource = %q; want new-reg", j.Resource)
}
if !reflect.DeepEqual(j.Contact, contacts) {
t.Errorf("j.Contact = %v; want %v", j.Contact, contacts)
}
w.Header().Set("Location", "https://ca.tld/acme/reg/1")
w.Header().Set("Link", `<https://ca.tld/acme/new-authz>;rel="next"`)
w.Header().Add("Link", `<https://ca.tld/acme/recover-reg>;rel="recover"`)
w.Header().Add("Link", `<https://ca.tld/acme/terms>;rel="terms-of-service"`)
w.WriteHeader(http.StatusCreated)
b, _ := json.Marshal(contacts)
fmt.Fprintf(w, `{
"key":%q,
"contact":%s
}`, testKeyThumbprint, b)
}))
defer ts.Close()
c := Client{Key: testKey}
a := &Account{Contact: contacts}
var err error
if a, err = c.Register(ts.URL, a); err != nil {
t.Fatal(err)
}
if a.URI != "https://ca.tld/acme/reg/1" {
t.Errorf("a.URI = %q; want https://ca.tld/acme/reg/1", a.URI)
}
if a.Authz != "https://ca.tld/acme/new-authz" {
t.Errorf("a.Authz = %q; want https://ca.tld/acme/new-authz", a.Authz)
}
if a.CurrentTerms != "https://ca.tld/acme/terms" {
t.Errorf("a.CurrentTerms = %q; want https://ca.tld/acme/terms", a.CurrentTerms)
}
if !reflect.DeepEqual(a.Contact, contacts) {
t.Errorf("a.Contact = %v; want %v", a.Contact, contacts)
}
}
func TestUpdateReg(t *testing.T) {
const terms = "https://ca.tld/acme/terms"
contacts := []string{"mailto:admin@example.com"}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("replay-nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string
Contact []string
Agreement string
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "reg" {
t.Errorf("j.Resource = %q; want reg", j.Resource)
}
if j.Agreement != terms {
t.Errorf("j.Agreement = %q; want %q", j.Agreement, terms)
}
if !reflect.DeepEqual(j.Contact, contacts) {
t.Errorf("j.Contact = %v; want %v", j.Contact, contacts)
}
w.Header().Set("Link", `<https://ca.tld/acme/new-authz>;rel="next"`)
w.Header().Add("Link", `<https://ca.tld/acme/recover-reg>;rel="recover"`)
w.Header().Add("Link", fmt.Sprintf(`<%s>;rel="terms-of-service"`, terms))
w.WriteHeader(http.StatusOK)
b, _ := json.Marshal(contacts)
fmt.Fprintf(w, `{
"key":%q,
"contact":%s,
"agreement":%q
}`, testKeyThumbprint, b, terms)
}))
defer ts.Close()
c := Client{Key: testKey}
a := &Account{Contact: contacts, AgreedTerms: terms}
var err error
if a, err = c.UpdateReg(ts.URL, a); err != nil {
t.Fatal(err)
}
if a.Authz != "https://ca.tld/acme/new-authz" {
t.Errorf("a.Authz = %q; want https://ca.tld/acme/new-authz", a.Authz)
}
if a.AgreedTerms != terms {
t.Errorf("a.AgreedTerms = %q; want %q", a.AgreedTerms, terms)
}
if a.CurrentTerms != terms {
t.Errorf("a.CurrentTerms = %q; want %q", a.CurrentTerms, terms)
}
}
func TestGetReg(t *testing.T) {
const terms = "https://ca.tld/acme/terms"
const newTerms = "https://ca.tld/acme/new-terms"
contacts := []string{"mailto:admin@example.com"}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("replay-nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string
Contact []string
Agreement string
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "reg" {
t.Errorf("j.Resource = %q; want reg", j.Resource)
}
if len(j.Contact) != 0 {
t.Errorf("j.Contact = %v", j.Contact)
}
if j.Agreement != "" {
t.Errorf("j.Agreement = %q", j.Agreement)
}
w.Header().Set("Link", `<https://ca.tld/acme/new-authz>;rel="next"`)
w.Header().Add("Link", `<https://ca.tld/acme/recover-reg>;rel="recover"`)
w.Header().Add("Link", fmt.Sprintf(`<%s>;rel="terms-of-service"`, newTerms))
w.WriteHeader(http.StatusOK)
b, _ := json.Marshal(contacts)
fmt.Fprintf(w, `{
"key":%q,
"contact":%s,
"agreement":%q
}`, testKeyThumbprint, b, terms)
}))
defer ts.Close()
c := Client{Key: testKey}
a, err := c.GetReg(ts.URL)
if err != nil {
t.Fatal(err)
}
if a.Authz != "https://ca.tld/acme/new-authz" {
t.Errorf("a.AuthzURL = %q; want https://ca.tld/acme/new-authz", a.Authz)
}
if a.AgreedTerms != terms {
t.Errorf("a.AgreedTerms = %q; want %q", a.AgreedTerms, terms)
}
if a.CurrentTerms != newTerms {
t.Errorf("a.CurrentTerms = %q; want %q", a.CurrentTerms, newTerms)
}
}
func TestAuthorize(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("replay-nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string
Identifier struct {
Type string
Value string
}
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "new-authz" {
t.Errorf("j.Resource = %q; want new-authz", j.Resource)
}
if j.Identifier.Type != "dns" {
t.Errorf("j.Identifier.Type = %q; want dns", j.Identifier.Type)
}
if j.Identifier.Value != "example.com" {
t.Errorf("j.Identifier.Value = %q; want example.com", j.Identifier.Value)
}
w.Header().Set("Location", "https://ca.tld/acme/auth/1")
w.WriteHeader(http.StatusCreated)
fmt.Fprintf(w, `{
"identifier": {"type":"dns","value":"example.com"},
"status":"pending",
"challenges":[
{
"type":"http-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id1",
"token":"token1"
},
{
"type":"tls-sni-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id2",
"token":"token2"
}
],
"combinations":[[0],[1]]}`)
}))
defer ts.Close()
cl := Client{Key: testKey}
auth, err := cl.Authorize(ts.URL, "example.com")
if err != nil {
t.Fatal(err)
}
if auth.URI != "https://ca.tld/acme/auth/1" {
t.Errorf("URI = %q; want https://ca.tld/acme/auth/1", auth.URI)
}
if auth.Status != "pending" {
t.Errorf("Status = %q; want pending", auth.Status)
}
if auth.Identifier.Type != "dns" {
t.Errorf("Identifier.Type = %q; want dns", auth.Identifier.Type)
}
if auth.Identifier.Value != "example.com" {
t.Errorf("Identifier.Value = %q; want example.com", auth.Identifier.Value)
}
if n := len(auth.Challenges); n != 2 {
t.Fatalf("len(auth.Challenges) = %d; want 2", n)
}
c := auth.Challenges[0]
if c.Type != "http-01" {
t.Errorf("c.Type = %q; want http-01", c.Type)
}
if c.URI != "https://ca.tld/acme/challenge/publickey/id1" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id1", c.URI)
}
if c.Token != "token1" {
t.Errorf("c.Token = %q; want token1", c.Type)
}
c = auth.Challenges[1]
if c.Type != "tls-sni-01" {
t.Errorf("c.Type = %q; want tls-sni-01", c.Type)
}
if c.URI != "https://ca.tld/acme/challenge/publickey/id2" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id2", c.URI)
}
if c.Token != "token2" {
t.Errorf("c.Token = %q; want token2", c.Type)
}
combs := [][]int{{0}, {1}}
if !reflect.DeepEqual(auth.Combinations, combs) {
t.Errorf("auth.Combinations: %+v\nwant: %+v\n", auth.Combinations, combs)
}
}
func TestPollAuthz(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
t.Errorf("r.Method = %q; want GET", r.Method)
}
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, `{
"identifier": {"type":"dns","value":"example.com"},
"status":"pending",
"challenges":[
{
"type":"http-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id1",
"token":"token1"
},
{
"type":"tls-sni-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id2",
"token":"token2"
}
],
"combinations":[[0],[1]]}`)
}))
defer ts.Close()
cl := Client{Key: testKey}
auth, err := cl.GetAuthz(ts.URL)
if err != nil {
t.Fatal(err)
}
if auth.Status != "pending" {
t.Errorf("Status = %q; want pending", auth.Status)
}
if auth.Identifier.Type != "dns" {
t.Errorf("Identifier.Type = %q; want dns", auth.Identifier.Type)
}
if auth.Identifier.Value != "example.com" {
t.Errorf("Identifier.Value = %q; want example.com", auth.Identifier.Value)
}
if n := len(auth.Challenges); n != 2 {
t.Fatalf("len(set.Challenges) = %d; want 2", n)
}
c := auth.Challenges[0]
if c.Type != "http-01" {
t.Errorf("c.Type = %q; want http-01", c.Type)
}
if c.URI != "https://ca.tld/acme/challenge/publickey/id1" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id1", c.URI)
}
if c.Token != "token1" {
t.Errorf("c.Token = %q; want token1", c.Type)
}
c = auth.Challenges[1]
if c.Type != "tls-sni-01" {
t.Errorf("c.Type = %q; want tls-sni-01", c.Type)
}
if c.URI != "https://ca.tld/acme/challenge/publickey/id2" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id2", c.URI)
}
if c.Token != "token2" {
t.Errorf("c.Token = %q; want token2", c.Type)
}
combs := [][]int{{0}, {1}}
if !reflect.DeepEqual(auth.Combinations, combs) {
t.Errorf("auth.Combinations: %+v\nwant: %+v\n", auth.Combinations, combs)
}
}
func TestPollChallenge(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
t.Errorf("r.Method = %q; want GET", r.Method)
}
w.WriteHeader(http.StatusOK)
fmt.Fprintf(w, `{
"type":"http-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id1",
"token":"token1"}`)
}))
defer ts.Close()
cl := Client{Key: testKey}
chall, err := cl.GetChallenge(ts.URL)
if err != nil {
t.Fatal(err)
}
if chall.Status != "pending" {
t.Errorf("Status = %q; want pending", chall.Status)
}
if chall.Type != "http-01" {
t.Errorf("c.Type = %q; want http-01", chall.Type)
}
if chall.URI != "https://ca.tld/acme/challenge/publickey/id1" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id1", chall.URI)
}
if chall.Token != "token1" {
t.Errorf("c.Token = %q; want token1", chall.Type)
}
}
func TestAcceptChallenge(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("replay-nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string
Type string
Auth string `json:"keyAuthorization"`
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "challenge" {
t.Errorf(`resource = %q; want "challenge"`, j.Resource)
}
if j.Type != "http-01" {
t.Errorf(`type = %q; want "http-01"`, j.Type)
}
keyAuth := "token1." + testKeyThumbprint
if j.Auth != keyAuth {
t.Errorf(`keyAuthorization = %q; want %q`, j.Auth, keyAuth)
}
// Respond to request
w.WriteHeader(http.StatusAccepted)
fmt.Fprintf(w, `{
"type":"http-01",
"status":"pending",
"uri":"https://ca.tld/acme/challenge/publickey/id1",
"token":"token1",
"keyAuthorization":%q
}`, keyAuth)
}))
defer ts.Close()
cl := Client{Key: testKey}
c, err := cl.Accept(&Challenge{
URI: ts.URL,
Token: "token1",
Type: "http-01",
})
if err != nil {
t.Fatal(err)
}
if c.Type != "http-01" {
t.Errorf("c.Type = %q; want http-01", c.Type)
}
if c.URI != "https://ca.tld/acme/challenge/publickey/id1" {
t.Errorf("c.URI = %q; want https://ca.tld/acme/challenge/publickey/id1", c.URI)
}
if c.Token != "token1" {
t.Errorf("c.Token = %q; want token1", c.Type)
}
}
func TestNewCert(t *testing.T) {
notBefore := time.Now()
notAfter := notBefore.AddDate(0, 2, 0)
timeNow = func() time.Time { return notBefore }
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method == "HEAD" {
w.Header().Set("replay-nonce", "test-nonce")
return
}
if r.Method != "POST" {
t.Errorf("r.Method = %q; want POST", r.Method)
}
var j struct {
Resource string `json:"resource"`
CSR string `json:"csr"`
NotBefore string `json:"notBefore,omitempty"`
NotAfter string `json:"notAfter,omitempty"`
}
decodeJWSRequest(t, &j, r)
// Test request
if j.Resource != "new-cert" {
t.Errorf(`resource = %q; want "new-cert"`, j.Resource)
}
if j.NotBefore != notBefore.Format(time.RFC3339) {
t.Errorf(`notBefore = %q; wanted %q`, j.NotBefore, notBefore.Format(time.RFC3339))
}
if j.NotAfter != notAfter.Format(time.RFC3339) {
t.Errorf(`notAfter = %q; wanted %q`, j.NotAfter, notAfter.Format(time.RFC3339))
}
// Respond to request
template := x509.Certificate{
SerialNumber: big.NewInt(int64(1)),
Subject: pkix.Name{
Organization: []string{"goacme"},
},
NotBefore: notBefore,
NotAfter: notAfter,
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
BasicConstraintsValid: true,
}
sampleCert, err := x509.CreateCertificate(rand.Reader, &template, &template, &testKey.PublicKey, testKey)
if err != nil {
t.Fatalf("Error creating certificate: %v", err)
}
w.Header().Set("Location", "https://ca.tld/acme/cert/1")
w.WriteHeader(http.StatusCreated)
w.Write(sampleCert)
}))
defer ts.Close()
csr := x509.CertificateRequest{
Version: 0,
Subject: pkix.Name{
CommonName: "example.com",
Organization: []string{"goacme"},
},
}
csrb, err := x509.CreateCertificateRequest(rand.Reader, &csr, testKey)
if err != nil {
t.Fatal(err)
}
c := Client{Key: testKey}
cert, certURL, err := c.CreateCert(context.Background(), ts.URL, csrb, notAfter.Sub(notBefore), false)
if err != nil {
t.Fatal(err)
}
if cert == nil {
t.Errorf("cert is nil")
}
if certURL != "https://ca.tld/acme/cert/1" {
t.Errorf("certURL = %q; want https://ca.tld/acme/cert/1", certURL)
}
}
func TestFetchCert(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte{1})
}))
defer ts.Close()
res, err := (&Client{}).FetchCert(context.Background(), ts.URL, false)
if err != nil {
t.Fatalf("FetchCert: %v", err)
}
cert := [][]byte{{1}}
if !reflect.DeepEqual(res, cert) {
t.Errorf("res = %v; want %v", res, cert)
}
}
func TestFetchCertRetry(t *testing.T) {
var count int
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if count < 1 {
w.Header().Set("retry-after", "0")
w.WriteHeader(http.StatusAccepted)
count++
return
}
w.Write([]byte{1})
}))
defer ts.Close()
res, err := (&Client{}).FetchCert(context.Background(), ts.URL, false)
if err != nil {
t.Fatalf("FetchCert: %v", err)
}
cert := [][]byte{{1}}
if !reflect.DeepEqual(res, cert) {
t.Errorf("res = %v; want %v", res, cert)
}
}
func TestFetchCertCancel(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("retry-after", "0")
w.WriteHeader(http.StatusAccepted)
}))
defer ts.Close()
ctx, cancel := context.WithCancel(context.Background())
done := make(chan struct{})
var err error
go func() {
_, err = (&Client{}).FetchCert(ctx, ts.URL, false)
close(done)
}()
cancel()
<-done
if err != context.Canceled {
t.Errorf("err = %v; want %v", err, context.Canceled)
}
}
func TestFetchNonce(t *testing.T) {
tests := []struct {
code int
nonce string
}{
{http.StatusOK, "nonce1"},
{http.StatusBadRequest, "nonce2"},
{http.StatusOK, ""},
}
var i int
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != "HEAD" {
t.Errorf("%d: r.Method = %q; want HEAD", i, r.Method)
}
w.Header().Set("replay-nonce", tests[i].nonce)
w.WriteHeader(tests[i].code)
}))
defer ts.Close()
for ; i < len(tests); i++ {
test := tests[i]
n, err := fetchNonce(http.DefaultClient, ts.URL)
if n != test.nonce {
t.Errorf("%d: n=%q; want %q", i, n, test.nonce)
}
switch {
case err == nil && test.nonce == "":
t.Errorf("%d: n=%q, err=%v; want non-nil error", i, n, err)
case err != nil && test.nonce != "":
t.Errorf("%d: n=%q, err=%v; want %q", i, n, err, test.nonce)
}
}
}
func TestLinkHeader(t *testing.T) {
h := http.Header{"Link": {
`<https://example.com/acme/new-authz>;rel="next"`,
`<https://example.com/acme/recover-reg>; rel=recover`,
`<https://example.com/acme/terms>; foo=bar; rel="terms-of-service"`,
}}
tests := []struct{ in, out string }{
{"next", "https://example.com/acme/new-authz"},
{"recover", "https://example.com/acme/recover-reg"},
{"terms-of-service", "https://example.com/acme/terms"},
{"empty", ""},
}
for i, test := range tests {
if v := linkHeader(h, test.in); v != test.out {
t.Errorf("%d: parseLinkHeader(%q): %q; want %q", i, test.in, v, test.out)
}
}
}
func TestErrorResponse(t *testing.T) {
s := `{
"status": 400,
"type": "urn:acme:error:xxx",
"detail": "text"
}`
res := &http.Response{
StatusCode: 400,
Status: "400 Bad Request",
Body: ioutil.NopCloser(strings.NewReader(s)),
Header: http.Header{"X-Foo": {"bar"}},
}
err := responseError(res)
v, ok := err.(*Error)
if !ok {
t.Fatalf("err = %+v (%T); want *Error type", err, err)
}
if v.StatusCode != 400 {
t.Errorf("v.StatusCode = %v; want 400", v.StatusCode)
}
if v.ProblemType != "urn:acme:error:xxx" {
t.Errorf("v.ProblemType = %q; want urn:acme:error:xxx", v.ProblemType)
}
if v.Detail != "text" {
t.Errorf("v.Detail = %q; want text", v.Detail)
}
if !reflect.DeepEqual(v.Header, res.Header) {
t.Errorf("v.Header = %+v; want %+v", v.Header, res.Header)
}
}

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vendor/golang.org/x/crypto/acme/internal/acme/jws.go generated vendored Normal file
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package acme
import (
"crypto"
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"fmt"
"math/big"
)
// jwsEncodeJSON signs claimset using provided key and a nonce.
// The result is serialized in JSON format.
// See https://tools.ietf.org/html/rfc7515#section-7.
func jwsEncodeJSON(claimset interface{}, key *rsa.PrivateKey, nonce string) ([]byte, error) {
jwk := jwkEncode(&key.PublicKey)
phead := fmt.Sprintf(`{"alg":"RS256","jwk":%s,"nonce":%q}`, jwk, nonce)
phead = base64.RawURLEncoding.EncodeToString([]byte(phead))
cs, err := json.Marshal(claimset)
if err != nil {
return nil, err
}
payload := base64.RawURLEncoding.EncodeToString(cs)
h := sha256.New()
h.Write([]byte(phead + "." + payload))
sig, err := rsa.SignPKCS1v15(rand.Reader, key, crypto.SHA256, h.Sum(nil))
if err != nil {
return nil, err
}
enc := struct {
Protected string `json:"protected"`
Payload string `json:"payload"`
Sig string `json:"signature"`
}{
Protected: phead,
Payload: payload,
Sig: base64.RawURLEncoding.EncodeToString(sig),
}
return json.Marshal(&enc)
}
// jwkEncode encodes public part of an RSA key into a JWK.
// The result is also suitable for creating a JWK thumbprint.
func jwkEncode(pub *rsa.PublicKey) string {
n := pub.N
e := big.NewInt(int64(pub.E))
// fields order is important
// see https://tools.ietf.org/html/rfc7638#section-3.3 for details
return fmt.Sprintf(`{"e":"%s","kty":"RSA","n":"%s"}`,
base64.RawURLEncoding.EncodeToString(e.Bytes()),
base64.RawURLEncoding.EncodeToString(n.Bytes()),
)
}
// JWKThumbprint creates a JWK thumbprint out of pub
// as specified in https://tools.ietf.org/html/rfc7638.
func JWKThumbprint(pub *rsa.PublicKey) string {
jwk := jwkEncode(pub)
b := sha256.Sum256([]byte(jwk))
return base64.RawURLEncoding.EncodeToString(b[:])
}

139
vendor/golang.org/x/crypto/acme/internal/acme/jws_test.go generated vendored Normal file
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package acme
import (
"crypto/rsa"
"crypto/x509"
"encoding/base64"
"encoding/json"
"encoding/pem"
"math/big"
"testing"
)
const testKeyPEM = `
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
`
// This thumbprint is for the testKey defined above.
const testKeyThumbprint = "6nicxzh6WETQlrvdchkz-U3e3DOQZ4heJKU63rfqMqQ"
var testKey *rsa.PrivateKey
func init() {
d, _ := pem.Decode([]byte(testKeyPEM))
if d == nil {
panic("no block found in testKeyPEM")
}
var err error
testKey, err = x509.ParsePKCS1PrivateKey(d.Bytes)
if err != nil {
panic(err.Error())
}
}
func TestJWSEncodeJSON(t *testing.T) {
claims := struct{ Msg string }{"Hello JWS"}
// JWS signed with testKey and "nonce" as the nonce value
// JSON-serialized JWS fields are split for easier testing
const (
// {"alg":"RS256","jwk":{"e":"AQAB","kty":"RSA","n":"..."},"nonce":"nonce"}
protected = "eyJhbGciOiJSUzI1NiIsImp3ayI6eyJlIjoiQVFBQiIsImt0eSI6" +
"IlJTQSIsIm4iOiI0eGdaM2VSUGt3b1J2eTdxZVJVYm1NRGUwVi14" +
"SDllV0xkdTBpaGVlTGxybUQybXFXWGZQOUllU0tBcGJuMzRnOFR1" +
"QVM5ZzV6aHE4RUxRM2ttanItS1Y4NkdBTWdJNlZBY0dscTNRcnpw" +
"VENmXzMwQWI3LXphd3JmUmFGT05hMUh3RXpQWTFLSG5HVmt4SmM4" +
"NWdOa3dZSTlTWTJSSFh0dmxuM3pzNXdJVE5yZG9zcUVYZWFJa1ZZ" +
"QkVoYmhOdTU0cHAza3hvNlR1V0xpOWU2cFhlV2V0RXdtbEJ3dFda" +
"bFBvaWIyajNUeExCa3NLWmZveUZ5ZWszODBtSGdKQXVtUV9JMmZq" +
"ajk4Xzk3bWszaWhPWTRBZ1ZkQ0RqMXpfR0NvWmtHNVJxN25iQ0d5" +
"b3N5S1d5RFgwMFpzLW5OcVZob0xlSXZYQzRubldkSk1aNnJvZ3h5" +
"UVEifSwibm9uY2UiOiJub25jZSJ9"
// {"Msg":"Hello JWS"}
payload = "eyJNc2ciOiJIZWxsbyBKV1MifQ"
signature = "eAGUikStX_UxyiFhxSLMyuyBcIB80GeBkFROCpap2sW3EmkU_ggF" +
"knaQzxrTfItICSAXsCLIquZ5BbrSWA_4vdEYrwWtdUj7NqFKjHRa" +
"zpLHcoR7r1rEHvkoP1xj49lS5fc3Wjjq8JUhffkhGbWZ8ZVkgPdC" +
"4tMBWiQDoth-x8jELP_3LYOB_ScUXi2mETBawLgOT2K8rA0Vbbmx" +
"hWNlOWuUf-8hL5YX4IOEwsS8JK_TrTq5Zc9My0zHJmaieqDV0UlP" +
"k0onFjPFkGm7MrPSgd0MqRG-4vSAg2O4hDo7rKv4n8POjjXlNQvM" +
"9IPLr8qZ7usYBKhEGwX3yq_eicAwBw"
)
b, err := jwsEncodeJSON(claims, testKey, "nonce")
if err != nil {
t.Fatal(err)
}
var jws struct{ Protected, Payload, Signature string }
if err := json.Unmarshal(b, &jws); err != nil {
t.Fatal(err)
}
if jws.Protected != protected {
t.Errorf("protected:\n%s\nwant:\n%s", jws.Protected, protected)
}
if jws.Payload != payload {
t.Errorf("payload:\n%s\nwant:\n%s", jws.Payload, payload)
}
if jws.Signature != signature {
t.Errorf("signature:\n%s\nwant:\n%s", jws.Signature, signature)
}
}
func TestJWKThumbprint(t *testing.T) {
// Key example from RFC 7638
const base64N = "0vx7agoebGcQSuuPiLJXZptN9nndrQmbXEps2aiAFbWhM78LhWx4cbbfAAt" +
"VT86zwu1RK7aPFFxuhDR1L6tSoc_BJECPebWKRXjBZCiFV4n3oknjhMstn6" +
"4tZ_2W-5JsGY4Hc5n9yBXArwl93lqt7_RN5w6Cf0h4QyQ5v-65YGjQR0_FD" +
"W2QvzqY368QQMicAtaSqzs8KJZgnYb9c7d0zgdAZHzu6qMQvRL5hajrn1n9" +
"1CbOpbISD08qNLyrdkt-bFTWhAI4vMQFh6WeZu0fM4lFd2NcRwr3XPksINH" +
"aQ-G_xBniIqbw0Ls1jF44-csFCur-kEgU8awapJzKnqDKgw"
const base64E = "AQAB"
const expected = "NzbLsXh8uDCcd-6MNwXF4W_7noWXFZAfHkxZsRGC9Xs"
bytes, err := base64.RawURLEncoding.DecodeString(base64N)
if err != nil {
t.Fatalf("Error parsing example key N: %v", err)
}
n := new(big.Int).SetBytes(bytes)
bytes, err = base64.RawURLEncoding.DecodeString(base64E)
if err != nil {
t.Fatalf("Error parsing example key E: %v", err)
}
e := new(big.Int).SetBytes(bytes)
pub := &rsa.PublicKey{N: n, E: int(e.Uint64())}
th := JWKThumbprint(pub)
if th != expected {
t.Errorf("th = %q; want %q", th, expected)
}
}

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vendor/golang.org/x/crypto/acme/internal/acme/types.go generated vendored Normal file
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package acme
import (
"fmt"
"net/http"
)
// ACME server response statuses used to describe Authorization and Challenge states.
const (
StatusUnknown = "unknown"
StatusPending = "pending"
StatusProcessing = "processing"
StatusValid = "valid"
StatusInvalid = "invalid"
StatusRevoked = "revoked"
)
// Account is a user account. It is associated with a private key.
type Account struct {
// URI is the account unique ID, which is also a URL used to retrieve
// account data from the CA.
URI string
// Contact is a slice of contact info used during registration.
Contact []string
// The terms user has agreed to.
// Zero value indicates that the user hasn't agreed yet.
AgreedTerms string
// Actual terms of a CA.
CurrentTerms string
// Authz is the authorization URL used to initiate a new authz flow.
Authz string
// Authorizations is a URI from which a list of authorizations
// granted to this account can be fetched via a GET request.
Authorizations string
// Certificates is a URI from which a list of certificates
// issued for this account can be fetched via a GET request.
Certificates string
}
// Directory is ACME server discovery data.
type Directory struct {
// RegURL is an account endpoint URL, allowing for creating new
// and modifying existing accounts.
RegURL string
// AuthzURL is used to initiate Identifier Authorization flow.
AuthzURL string
// CertURL is a new certificate issuance endpoint URL.
CertURL string
// RevokeURL is used to initiate a certificate revocation flow.
RevokeURL string
// Term is a URI identifying the current terms of service.
Terms string
// Website is an HTTP or HTTPS URL locating a website
// providing more information about the ACME server.
Website string
// CAA consists of lowercase hostname elements, which the ACME server
// recognises as referring to itself for the purposes of CAA record validation
// as defined in RFC6844.
CAA []string
}
// Challenge encodes a returned CA challenge.
type Challenge struct {
// Type is the challenge type, e.g. "http-01", "tls-sni-02", "dns-01".
Type string
// URI is where a challenge response can be posted to.
URI string
// Token is a random value that uniquely identifies the challenge.
Token string
// Status identifies the status of this challenge.
Status string
}
// Authorization encodes an authorization response.
type Authorization struct {
// URI uniquely identifies a authorization.
URI string
// Status identifies the status of an authorization.
Status string
// Identifier is what the account is authorized to represent.
Identifier AuthzID
// Challenges that the client needs to fulfill in order to prove possession
// of the identifier (for pending authorizations).
// For final authorizations, the challenges that were used.
Challenges []*Challenge
// A collection of sets of challenges, each of which would be sufficient
// to prove possession of the identifier.
// Clients must complete a set of challenges that covers at least one set.
// Challenges are identified by their indices in the challenges array.
// If this field is empty, the client needs to complete all challenges.
Combinations [][]int
}
// AuthzID is an identifier that an account is authorized to represent.
type AuthzID struct {
Type string // The type of identifier, e.g. "dns".
Value string // The identifier itself, e.g. "example.org".
}
// Error is an ACME error, defined in Problem Details for HTTP APIs doc
// http://tools.ietf.org/html/draft-ietf-appsawg-http-problem.
type Error struct {
// StatusCode is The HTTP status code generated by the origin server.
StatusCode int
// ProblemType is a URI reference that identifies the problem type,
// typically in a "urn:acme:error:xxx" form.
ProblemType string
// Detail is a human-readable explanation specific to this occurrence of the problem.
Detail string
// Header is the original server error response headers.
Header http.Header
}
func (e *Error) Error() string {
return fmt.Sprintf("%d %s: %s", e.StatusCode, e.ProblemType, e.Detail)
}
// wireAuthz is ACME JSON representation of Authorization objects.
type wireAuthz struct {
Status string
Challenges []wireChallenge
Combinations [][]int
Identifier struct {
Type string
Value string
}
}
func (z *wireAuthz) authorization(uri string) *Authorization {
a := &Authorization{
URI: uri,
Status: z.Status,
Identifier: AuthzID{Type: z.Identifier.Type, Value: z.Identifier.Value},
Combinations: z.Combinations, // shallow copy
Challenges: make([]*Challenge, len(z.Challenges)),
}
for i, v := range z.Challenges {
a.Challenges[i] = v.challenge()
}
return a
}
// wireChallenge is ACME JSON challenge representation.
type wireChallenge struct {
URI string `json:"uri"`
Type string
Token string
Status string
}
func (c *wireChallenge) challenge() *Challenge {
v := &Challenge{
URI: c.URI,
Type: c.Type,
Token: c.Token,
Status: c.Status,
}
if v.Status == "" {
v.Status = StatusPending
}
return v
}

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vendor/golang.org/x/crypto/bcrypt/base64.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bcrypt
import "encoding/base64"
const alphabet = "./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
var bcEncoding = base64.NewEncoding(alphabet)
func base64Encode(src []byte) []byte {
n := bcEncoding.EncodedLen(len(src))
dst := make([]byte, n)
bcEncoding.Encode(dst, src)
for dst[n-1] == '=' {
n--
}
return dst[:n]
}
func base64Decode(src []byte) ([]byte, error) {
numOfEquals := 4 - (len(src) % 4)
for i := 0; i < numOfEquals; i++ {
src = append(src, '=')
}
dst := make([]byte, bcEncoding.DecodedLen(len(src)))
n, err := bcEncoding.Decode(dst, src)
if err != nil {
return nil, err
}
return dst[:n], nil
}

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vendor/golang.org/x/crypto/bcrypt/bcrypt.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package bcrypt implements Provos and Mazières's bcrypt adaptive hashing
// algorithm. See http://www.usenix.org/event/usenix99/provos/provos.pdf
package bcrypt // import "golang.org/x/crypto/bcrypt"
// The code is a port of Provos and Mazières's C implementation.
import (
"crypto/rand"
"crypto/subtle"
"errors"
"fmt"
"golang.org/x/crypto/blowfish"
"io"
"strconv"
)
const (
MinCost int = 4 // the minimum allowable cost as passed in to GenerateFromPassword
MaxCost int = 31 // the maximum allowable cost as passed in to GenerateFromPassword
DefaultCost int = 10 // the cost that will actually be set if a cost below MinCost is passed into GenerateFromPassword
)
// The error returned from CompareHashAndPassword when a password and hash do
// not match.
var ErrMismatchedHashAndPassword = errors.New("crypto/bcrypt: hashedPassword is not the hash of the given password")
// The error returned from CompareHashAndPassword when a hash is too short to
// be a bcrypt hash.
var ErrHashTooShort = errors.New("crypto/bcrypt: hashedSecret too short to be a bcrypted password")
// The error returned from CompareHashAndPassword when a hash was created with
// a bcrypt algorithm newer than this implementation.
type HashVersionTooNewError byte
func (hv HashVersionTooNewError) Error() string {
return fmt.Sprintf("crypto/bcrypt: bcrypt algorithm version '%c' requested is newer than current version '%c'", byte(hv), majorVersion)
}
// The error returned from CompareHashAndPassword when a hash starts with something other than '$'
type InvalidHashPrefixError byte
func (ih InvalidHashPrefixError) Error() string {
return fmt.Sprintf("crypto/bcrypt: bcrypt hashes must start with '$', but hashedSecret started with '%c'", byte(ih))
}
type InvalidCostError int
func (ic InvalidCostError) Error() string {
return fmt.Sprintf("crypto/bcrypt: cost %d is outside allowed range (%d,%d)", int(ic), int(MinCost), int(MaxCost))
}
const (
majorVersion = '2'
minorVersion = 'a'
maxSaltSize = 16
maxCryptedHashSize = 23
encodedSaltSize = 22
encodedHashSize = 31
minHashSize = 59
)
// magicCipherData is an IV for the 64 Blowfish encryption calls in
// bcrypt(). It's the string "OrpheanBeholderScryDoubt" in big-endian bytes.
var magicCipherData = []byte{
0x4f, 0x72, 0x70, 0x68,
0x65, 0x61, 0x6e, 0x42,
0x65, 0x68, 0x6f, 0x6c,
0x64, 0x65, 0x72, 0x53,
0x63, 0x72, 0x79, 0x44,
0x6f, 0x75, 0x62, 0x74,
}
type hashed struct {
hash []byte
salt []byte
cost int // allowed range is MinCost to MaxCost
major byte
minor byte
}
// GenerateFromPassword returns the bcrypt hash of the password at the given
// cost. If the cost given is less than MinCost, the cost will be set to
// DefaultCost, instead. Use CompareHashAndPassword, as defined in this package,
// to compare the returned hashed password with its cleartext version.
func GenerateFromPassword(password []byte, cost int) ([]byte, error) {
p, err := newFromPassword(password, cost)
if err != nil {
return nil, err
}
return p.Hash(), nil
}
// CompareHashAndPassword compares a bcrypt hashed password with its possible
// plaintext equivalent. Returns nil on success, or an error on failure.
func CompareHashAndPassword(hashedPassword, password []byte) error {
p, err := newFromHash(hashedPassword)
if err != nil {
return err
}
otherHash, err := bcrypt(password, p.cost, p.salt)
if err != nil {
return err
}
otherP := &hashed{otherHash, p.salt, p.cost, p.major, p.minor}
if subtle.ConstantTimeCompare(p.Hash(), otherP.Hash()) == 1 {
return nil
}
return ErrMismatchedHashAndPassword
}
// Cost returns the hashing cost used to create the given hashed
// password. When, in the future, the hashing cost of a password system needs
// to be increased in order to adjust for greater computational power, this
// function allows one to establish which passwords need to be updated.
func Cost(hashedPassword []byte) (int, error) {
p, err := newFromHash(hashedPassword)
if err != nil {
return 0, err
}
return p.cost, nil
}
func newFromPassword(password []byte, cost int) (*hashed, error) {
if cost < MinCost {
cost = DefaultCost
}
p := new(hashed)
p.major = majorVersion
p.minor = minorVersion
err := checkCost(cost)
if err != nil {
return nil, err
}
p.cost = cost
unencodedSalt := make([]byte, maxSaltSize)
_, err = io.ReadFull(rand.Reader, unencodedSalt)
if err != nil {
return nil, err
}
p.salt = base64Encode(unencodedSalt)
hash, err := bcrypt(password, p.cost, p.salt)
if err != nil {
return nil, err
}
p.hash = hash
return p, err
}
func newFromHash(hashedSecret []byte) (*hashed, error) {
if len(hashedSecret) < minHashSize {
return nil, ErrHashTooShort
}
p := new(hashed)
n, err := p.decodeVersion(hashedSecret)
if err != nil {
return nil, err
}
hashedSecret = hashedSecret[n:]
n, err = p.decodeCost(hashedSecret)
if err != nil {
return nil, err
}
hashedSecret = hashedSecret[n:]
// The "+2" is here because we'll have to append at most 2 '=' to the salt
// when base64 decoding it in expensiveBlowfishSetup().
p.salt = make([]byte, encodedSaltSize, encodedSaltSize+2)
copy(p.salt, hashedSecret[:encodedSaltSize])
hashedSecret = hashedSecret[encodedSaltSize:]
p.hash = make([]byte, len(hashedSecret))
copy(p.hash, hashedSecret)
return p, nil
}
func bcrypt(password []byte, cost int, salt []byte) ([]byte, error) {
cipherData := make([]byte, len(magicCipherData))
copy(cipherData, magicCipherData)
c, err := expensiveBlowfishSetup(password, uint32(cost), salt)
if err != nil {
return nil, err
}
for i := 0; i < 24; i += 8 {
for j := 0; j < 64; j++ {
c.Encrypt(cipherData[i:i+8], cipherData[i:i+8])
}
}
// Bug compatibility with C bcrypt implementations. We only encode 23 of
// the 24 bytes encrypted.
hsh := base64Encode(cipherData[:maxCryptedHashSize])
return hsh, nil
}
func expensiveBlowfishSetup(key []byte, cost uint32, salt []byte) (*blowfish.Cipher, error) {
csalt, err := base64Decode(salt)
if err != nil {
return nil, err
}
// Bug compatibility with C bcrypt implementations. They use the trailing
// NULL in the key string during expansion.
ckey := append(key, 0)
c, err := blowfish.NewSaltedCipher(ckey, csalt)
if err != nil {
return nil, err
}
var i, rounds uint64
rounds = 1 << cost
for i = 0; i < rounds; i++ {
blowfish.ExpandKey(ckey, c)
blowfish.ExpandKey(csalt, c)
}
return c, nil
}
func (p *hashed) Hash() []byte {
arr := make([]byte, 60)
arr[0] = '$'
arr[1] = p.major
n := 2
if p.minor != 0 {
arr[2] = p.minor
n = 3
}
arr[n] = '$'
n += 1
copy(arr[n:], []byte(fmt.Sprintf("%02d", p.cost)))
n += 2
arr[n] = '$'
n += 1
copy(arr[n:], p.salt)
n += encodedSaltSize
copy(arr[n:], p.hash)
n += encodedHashSize
return arr[:n]
}
func (p *hashed) decodeVersion(sbytes []byte) (int, error) {
if sbytes[0] != '$' {
return -1, InvalidHashPrefixError(sbytes[0])
}
if sbytes[1] > majorVersion {
return -1, HashVersionTooNewError(sbytes[1])
}
p.major = sbytes[1]
n := 3
if sbytes[2] != '$' {
p.minor = sbytes[2]
n++
}
return n, nil
}
// sbytes should begin where decodeVersion left off.
func (p *hashed) decodeCost(sbytes []byte) (int, error) {
cost, err := strconv.Atoi(string(sbytes[0:2]))
if err != nil {
return -1, err
}
err = checkCost(cost)
if err != nil {
return -1, err
}
p.cost = cost
return 3, nil
}
func (p *hashed) String() string {
return fmt.Sprintf("&{hash: %#v, salt: %#v, cost: %d, major: %c, minor: %c}", string(p.hash), p.salt, p.cost, p.major, p.minor)
}
func checkCost(cost int) error {
if cost < MinCost || cost > MaxCost {
return InvalidCostError(cost)
}
return nil
}

226
vendor/golang.org/x/crypto/bcrypt/bcrypt_test.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bcrypt
import (
"bytes"
"fmt"
"testing"
)
func TestBcryptingIsEasy(t *testing.T) {
pass := []byte("mypassword")
hp, err := GenerateFromPassword(pass, 0)
if err != nil {
t.Fatalf("GenerateFromPassword error: %s", err)
}
if CompareHashAndPassword(hp, pass) != nil {
t.Errorf("%v should hash %s correctly", hp, pass)
}
notPass := "notthepass"
err = CompareHashAndPassword(hp, []byte(notPass))
if err != ErrMismatchedHashAndPassword {
t.Errorf("%v and %s should be mismatched", hp, notPass)
}
}
func TestBcryptingIsCorrect(t *testing.T) {
pass := []byte("allmine")
salt := []byte("XajjQvNhvvRt5GSeFk1xFe")
expectedHash := []byte("$2a$10$XajjQvNhvvRt5GSeFk1xFeyqRrsxkhBkUiQeg0dt.wU1qD4aFDcga")
hash, err := bcrypt(pass, 10, salt)
if err != nil {
t.Fatalf("bcrypt blew up: %v", err)
}
if !bytes.HasSuffix(expectedHash, hash) {
t.Errorf("%v should be the suffix of %v", hash, expectedHash)
}
h, err := newFromHash(expectedHash)
if err != nil {
t.Errorf("Unable to parse %s: %v", string(expectedHash), err)
}
// This is not the safe way to compare these hashes. We do this only for
// testing clarity. Use bcrypt.CompareHashAndPassword()
if err == nil && !bytes.Equal(expectedHash, h.Hash()) {
t.Errorf("Parsed hash %v should equal %v", h.Hash(), expectedHash)
}
}
func TestVeryShortPasswords(t *testing.T) {
key := []byte("k")
salt := []byte("XajjQvNhvvRt5GSeFk1xFe")
_, err := bcrypt(key, 10, salt)
if err != nil {
t.Errorf("One byte key resulted in error: %s", err)
}
}
func TestTooLongPasswordsWork(t *testing.T) {
salt := []byte("XajjQvNhvvRt5GSeFk1xFe")
// One byte over the usual 56 byte limit that blowfish has
tooLongPass := []byte("012345678901234567890123456789012345678901234567890123456")
tooLongExpected := []byte("$2a$10$XajjQvNhvvRt5GSeFk1xFe5l47dONXg781AmZtd869sO8zfsHuw7C")
hash, err := bcrypt(tooLongPass, 10, salt)
if err != nil {
t.Fatalf("bcrypt blew up on long password: %v", err)
}
if !bytes.HasSuffix(tooLongExpected, hash) {
t.Errorf("%v should be the suffix of %v", hash, tooLongExpected)
}
}
type InvalidHashTest struct {
err error
hash []byte
}
var invalidTests = []InvalidHashTest{
{ErrHashTooShort, []byte("$2a$10$fooo")},
{ErrHashTooShort, []byte("$2a")},
{HashVersionTooNewError('3'), []byte("$3a$10$sssssssssssssssssssssshhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh")},
{InvalidHashPrefixError('%'), []byte("%2a$10$sssssssssssssssssssssshhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh")},
{InvalidCostError(32), []byte("$2a$32$sssssssssssssssssssssshhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh")},
}
func TestInvalidHashErrors(t *testing.T) {
check := func(name string, expected, err error) {
if err == nil {
t.Errorf("%s: Should have returned an error", name)
}
if err != nil && err != expected {
t.Errorf("%s gave err %v but should have given %v", name, err, expected)
}
}
for _, iht := range invalidTests {
_, err := newFromHash(iht.hash)
check("newFromHash", iht.err, err)
err = CompareHashAndPassword(iht.hash, []byte("anything"))
check("CompareHashAndPassword", iht.err, err)
}
}
func TestUnpaddedBase64Encoding(t *testing.T) {
original := []byte{101, 201, 101, 75, 19, 227, 199, 20, 239, 236, 133, 32, 30, 109, 243, 30}
encodedOriginal := []byte("XajjQvNhvvRt5GSeFk1xFe")
encoded := base64Encode(original)
if !bytes.Equal(encodedOriginal, encoded) {
t.Errorf("Encoded %v should have equaled %v", encoded, encodedOriginal)
}
decoded, err := base64Decode(encodedOriginal)
if err != nil {
t.Fatalf("base64Decode blew up: %s", err)
}
if !bytes.Equal(decoded, original) {
t.Errorf("Decoded %v should have equaled %v", decoded, original)
}
}
func TestCost(t *testing.T) {
suffix := "XajjQvNhvvRt5GSeFk1xFe5l47dONXg781AmZtd869sO8zfsHuw7C"
for _, vers := range []string{"2a", "2"} {
for _, cost := range []int{4, 10} {
s := fmt.Sprintf("$%s$%02d$%s", vers, cost, suffix)
h := []byte(s)
actual, err := Cost(h)
if err != nil {
t.Errorf("Cost, error: %s", err)
continue
}
if actual != cost {
t.Errorf("Cost, expected: %d, actual: %d", cost, actual)
}
}
}
_, err := Cost([]byte("$a$a$" + suffix))
if err == nil {
t.Errorf("Cost, malformed but no error returned")
}
}
func TestCostValidationInHash(t *testing.T) {
if testing.Short() {
return
}
pass := []byte("mypassword")
for c := 0; c < MinCost; c++ {
p, _ := newFromPassword(pass, c)
if p.cost != DefaultCost {
t.Errorf("newFromPassword should default costs below %d to %d, but was %d", MinCost, DefaultCost, p.cost)
}
}
p, _ := newFromPassword(pass, 14)
if p.cost != 14 {
t.Errorf("newFromPassword should default cost to 14, but was %d", p.cost)
}
hp, _ := newFromHash(p.Hash())
if p.cost != hp.cost {
t.Errorf("newFromHash should maintain the cost at %d, but was %d", p.cost, hp.cost)
}
_, err := newFromPassword(pass, 32)
if err == nil {
t.Fatalf("newFromPassword: should return a cost error")
}
if err != InvalidCostError(32) {
t.Errorf("newFromPassword: should return cost error, got %#v", err)
}
}
func TestCostReturnsWithLeadingZeroes(t *testing.T) {
hp, _ := newFromPassword([]byte("abcdefgh"), 7)
cost := hp.Hash()[4:7]
expected := []byte("07$")
if !bytes.Equal(expected, cost) {
t.Errorf("single digit costs in hash should have leading zeros: was %v instead of %v", cost, expected)
}
}
func TestMinorNotRequired(t *testing.T) {
noMinorHash := []byte("$2$10$XajjQvNhvvRt5GSeFk1xFeyqRrsxkhBkUiQeg0dt.wU1qD4aFDcga")
h, err := newFromHash(noMinorHash)
if err != nil {
t.Fatalf("No minor hash blew up: %s", err)
}
if h.minor != 0 {
t.Errorf("Should leave minor version at 0, but was %d", h.minor)
}
if !bytes.Equal(noMinorHash, h.Hash()) {
t.Errorf("Should generate hash %v, but created %v", noMinorHash, h.Hash())
}
}
func BenchmarkEqual(b *testing.B) {
b.StopTimer()
passwd := []byte("somepasswordyoulike")
hash, _ := GenerateFromPassword(passwd, 10)
b.StartTimer()
for i := 0; i < b.N; i++ {
CompareHashAndPassword(hash, passwd)
}
}
func BenchmarkGeneration(b *testing.B) {
b.StopTimer()
passwd := []byte("mylongpassword1234")
b.StartTimer()
for i := 0; i < b.N; i++ {
GenerateFromPassword(passwd, 10)
}
}

159
vendor/golang.org/x/crypto/blowfish/block.go generated vendored Normal file
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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package blowfish
// getNextWord returns the next big-endian uint32 value from the byte slice
// at the given position in a circular manner, updating the position.
func getNextWord(b []byte, pos *int) uint32 {
var w uint32
j := *pos
for i := 0; i < 4; i++ {
w = w<<8 | uint32(b[j])
j++
if j >= len(b) {
j = 0
}
}
*pos = j
return w
}
// ExpandKey performs a key expansion on the given *Cipher. Specifically, it
// performs the Blowfish algorithm's key schedule which sets up the *Cipher's
// pi and substitution tables for calls to Encrypt. This is used, primarily,
// by the bcrypt package to reuse the Blowfish key schedule during its
// set up. It's unlikely that you need to use this directly.
func ExpandKey(key []byte, c *Cipher) {
j := 0
for i := 0; i < 18; i++ {
// Using inlined getNextWord for performance.
var d uint32
for k := 0; k < 4; k++ {
d = d<<8 | uint32(key[j])
j++
if j >= len(key) {
j = 0
}
}
c.p[i] ^= d
}
var l, r uint32
for i := 0; i < 18; i += 2 {
l, r = encryptBlock(l, r, c)
c.p[i], c.p[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s0[i], c.s0[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s1[i], c.s1[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s2[i], c.s2[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s3[i], c.s3[i+1] = l, r
}
}
// This is similar to ExpandKey, but folds the salt during the key
// schedule. While ExpandKey is essentially expandKeyWithSalt with an all-zero
// salt passed in, reusing ExpandKey turns out to be a place of inefficiency
// and specializing it here is useful.
func expandKeyWithSalt(key []byte, salt []byte, c *Cipher) {
j := 0
for i := 0; i < 18; i++ {
c.p[i] ^= getNextWord(key, &j)
}
j = 0
var l, r uint32
for i := 0; i < 18; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.p[i], c.p[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s0[i], c.s0[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s1[i], c.s1[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s2[i], c.s2[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s3[i], c.s3[i+1] = l, r
}
}
func encryptBlock(l, r uint32, c *Cipher) (uint32, uint32) {
xl, xr := l, r
xl ^= c.p[0]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[1]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[2]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[3]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[4]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[5]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[6]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[7]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[8]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[9]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[10]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[11]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[12]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[13]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[14]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[15]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[16]
xr ^= c.p[17]
return xr, xl
}
func decryptBlock(l, r uint32, c *Cipher) (uint32, uint32) {
xl, xr := l, r
xl ^= c.p[17]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[16]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[15]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[14]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[13]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[12]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[11]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[10]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[9]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[8]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[7]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[6]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[5]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[4]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[3]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[2]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[1]
xr ^= c.p[0]
return xr, xl
}

274
vendor/golang.org/x/crypto/blowfish/blowfish_test.go generated vendored Normal file
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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package blowfish
import "testing"
type CryptTest struct {
key []byte
in []byte
out []byte
}
// Test vector values are from http://www.schneier.com/code/vectors.txt.
var encryptTests = []CryptTest{
{
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
[]byte{0x4E, 0xF9, 0x97, 0x45, 0x61, 0x98, 0xDD, 0x78}},
{
[]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
[]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
[]byte{0x51, 0x86, 0x6F, 0xD5, 0xB8, 0x5E, 0xCB, 0x8A}},
{
[]byte{0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
[]byte{0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
[]byte{0x7D, 0x85, 0x6F, 0x9A, 0x61, 0x30, 0x63, 0xF2}},
{
[]byte{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
[]byte{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
[]byte{0x24, 0x66, 0xDD, 0x87, 0x8B, 0x96, 0x3C, 0x9D}},
{
[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
[]byte{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
[]byte{0x61, 0xF9, 0xC3, 0x80, 0x22, 0x81, 0xB0, 0x96}},
{
[]byte{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
[]byte{0x7D, 0x0C, 0xC6, 0x30, 0xAF, 0xDA, 0x1E, 0xC7}},
{
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
[]byte{0x4E, 0xF9, 0x97, 0x45, 0x61, 0x98, 0xDD, 0x78}},
{
[]byte{0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10},
[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
[]byte{0x0A, 0xCE, 0xAB, 0x0F, 0xC6, 0xA0, 0xA2, 0x8D}},
{
[]byte{0x7C, 0xA1, 0x10, 0x45, 0x4A, 0x1A, 0x6E, 0x57},
[]byte{0x01, 0xA1, 0xD6, 0xD0, 0x39, 0x77, 0x67, 0x42},
[]byte{0x59, 0xC6, 0x82, 0x45, 0xEB, 0x05, 0x28, 0x2B}},
{
[]byte{0x01, 0x31, 0xD9, 0x61, 0x9D, 0xC1, 0x37, 0x6E},
[]byte{0x5C, 0xD5, 0x4C, 0xA8, 0x3D, 0xEF, 0x57, 0xDA},
[]byte{0xB1, 0xB8, 0xCC, 0x0B, 0x25, 0x0F, 0x09, 0xA0}},
{
[]byte{0x07, 0xA1, 0x13, 0x3E, 0x4A, 0x0B, 0x26, 0x86},
[]byte{0x02, 0x48, 0xD4, 0x38, 0x06, 0xF6, 0x71, 0x72},
[]byte{0x17, 0x30, 0xE5, 0x77, 0x8B, 0xEA, 0x1D, 0xA4}},
{
[]byte{0x38, 0x49, 0x67, 0x4C, 0x26, 0x02, 0x31, 0x9E},
[]byte{0x51, 0x45, 0x4B, 0x58, 0x2D, 0xDF, 0x44, 0x0A},
[]byte{0xA2, 0x5E, 0x78, 0x56, 0xCF, 0x26, 0x51, 0xEB}},
{
[]byte{0x04, 0xB9, 0x15, 0xBA, 0x43, 0xFE, 0xB5, 0xB6},
[]byte{0x42, 0xFD, 0x44, 0x30, 0x59, 0x57, 0x7F, 0xA2},
[]byte{0x35, 0x38, 0x82, 0xB1, 0x09, 0xCE, 0x8F, 0x1A}},
{
[]byte{0x01, 0x13, 0xB9, 0x70, 0xFD, 0x34, 0xF2, 0xCE},
[]byte{0x05, 0x9B, 0x5E, 0x08, 0x51, 0xCF, 0x14, 0x3A},
[]byte{0x48, 0xF4, 0xD0, 0x88, 0x4C, 0x37, 0x99, 0x18}},
{
[]byte{0x01, 0x70, 0xF1, 0x75, 0x46, 0x8F, 0xB5, 0xE6},
[]byte{0x07, 0x56, 0xD8, 0xE0, 0x77, 0x47, 0x61, 0xD2},
[]byte{0x43, 0x21, 0x93, 0xB7, 0x89, 0x51, 0xFC, 0x98}},
{
[]byte{0x43, 0x29, 0x7F, 0xAD, 0x38, 0xE3, 0x73, 0xFE},
[]byte{0x76, 0x25, 0x14, 0xB8, 0x29, 0xBF, 0x48, 0x6A},
[]byte{0x13, 0xF0, 0x41, 0x54, 0xD6, 0x9D, 0x1A, 0xE5}},
{
[]byte{0x07, 0xA7, 0x13, 0x70, 0x45, 0xDA, 0x2A, 0x16},
[]byte{0x3B, 0xDD, 0x11, 0x90, 0x49, 0x37, 0x28, 0x02},
[]byte{0x2E, 0xED, 0xDA, 0x93, 0xFF, 0xD3, 0x9C, 0x79}},
{
[]byte{0x04, 0x68, 0x91, 0x04, 0xC2, 0xFD, 0x3B, 0x2F},
[]byte{0x26, 0x95, 0x5F, 0x68, 0x35, 0xAF, 0x60, 0x9A},
[]byte{0xD8, 0x87, 0xE0, 0x39, 0x3C, 0x2D, 0xA6, 0xE3}},
{
[]byte{0x37, 0xD0, 0x6B, 0xB5, 0x16, 0xCB, 0x75, 0x46},
[]byte{0x16, 0x4D, 0x5E, 0x40, 0x4F, 0x27, 0x52, 0x32},
[]byte{0x5F, 0x99, 0xD0, 0x4F, 0x5B, 0x16, 0x39, 0x69}},
{
[]byte{0x1F, 0x08, 0x26, 0x0D, 0x1A, 0xC2, 0x46, 0x5E},
[]byte{0x6B, 0x05, 0x6E, 0x18, 0x75, 0x9F, 0x5C, 0xCA},
[]byte{0x4A, 0x05, 0x7A, 0x3B, 0x24, 0xD3, 0x97, 0x7B}},
{
[]byte{0x58, 0x40, 0x23, 0x64, 0x1A, 0xBA, 0x61, 0x76},
[]byte{0x00, 0x4B, 0xD6, 0xEF, 0x09, 0x17, 0x60, 0x62},
[]byte{0x45, 0x20, 0x31, 0xC1, 0xE4, 0xFA, 0xDA, 0x8E}},
{
[]byte{0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xB0, 0x07},
[]byte{0x48, 0x0D, 0x39, 0x00, 0x6E, 0xE7, 0x62, 0xF2},
[]byte{0x75, 0x55, 0xAE, 0x39, 0xF5, 0x9B, 0x87, 0xBD}},
{
[]byte{0x49, 0x79, 0x3E, 0xBC, 0x79, 0xB3, 0x25, 0x8F},
[]byte{0x43, 0x75, 0x40, 0xC8, 0x69, 0x8F, 0x3C, 0xFA},
[]byte{0x53, 0xC5, 0x5F, 0x9C, 0xB4, 0x9F, 0xC0, 0x19}},
{
[]byte{0x4F, 0xB0, 0x5E, 0x15, 0x15, 0xAB, 0x73, 0xA7},
[]byte{0x07, 0x2D, 0x43, 0xA0, 0x77, 0x07, 0x52, 0x92},
[]byte{0x7A, 0x8E, 0x7B, 0xFA, 0x93, 0x7E, 0x89, 0xA3}},
{
[]byte{0x49, 0xE9, 0x5D, 0x6D, 0x4C, 0xA2, 0x29, 0xBF},
[]byte{0x02, 0xFE, 0x55, 0x77, 0x81, 0x17, 0xF1, 0x2A},
[]byte{0xCF, 0x9C, 0x5D, 0x7A, 0x49, 0x86, 0xAD, 0xB5}},
{
[]byte{0x01, 0x83, 0x10, 0xDC, 0x40, 0x9B, 0x26, 0xD6},
[]byte{0x1D, 0x9D, 0x5C, 0x50, 0x18, 0xF7, 0x28, 0xC2},
[]byte{0xD1, 0xAB, 0xB2, 0x90, 0x65, 0x8B, 0xC7, 0x78}},
{
[]byte{0x1C, 0x58, 0x7F, 0x1C, 0x13, 0x92, 0x4F, 0xEF},
[]byte{0x30, 0x55, 0x32, 0x28, 0x6D, 0x6F, 0x29, 0x5A},
[]byte{0x55, 0xCB, 0x37, 0x74, 0xD1, 0x3E, 0xF2, 0x01}},
{
[]byte{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
[]byte{0xFA, 0x34, 0xEC, 0x48, 0x47, 0xB2, 0x68, 0xB2}},
{
[]byte{0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E},
[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
[]byte{0xA7, 0x90, 0x79, 0x51, 0x08, 0xEA, 0x3C, 0xAE}},
{
[]byte{0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE},
[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
[]byte{0xC3, 0x9E, 0x07, 0x2D, 0x9F, 0xAC, 0x63, 0x1D}},
{
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
[]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
[]byte{0x01, 0x49, 0x33, 0xE0, 0xCD, 0xAF, 0xF6, 0xE4}},
{
[]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
[]byte{0xF2, 0x1E, 0x9A, 0x77, 0xB7, 0x1C, 0x49, 0xBC}},
{
[]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
[]byte{0x24, 0x59, 0x46, 0x88, 0x57, 0x54, 0x36, 0x9A}},
{
[]byte{0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10},
[]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
[]byte{0x6B, 0x5C, 0x5A, 0x9C, 0x5D, 0x9E, 0x0A, 0x5A}},
}
func TestCipherEncrypt(t *testing.T) {
for i, tt := range encryptTests {
c, err := NewCipher(tt.key)
if err != nil {
t.Errorf("NewCipher(%d bytes) = %s", len(tt.key), err)
continue
}
ct := make([]byte, len(tt.out))
c.Encrypt(ct, tt.in)
for j, v := range ct {
if v != tt.out[j] {
t.Errorf("Cipher.Encrypt, test vector #%d: cipher-text[%d] = %#x, expected %#x", i, j, v, tt.out[j])
break
}
}
}
}
func TestCipherDecrypt(t *testing.T) {
for i, tt := range encryptTests {
c, err := NewCipher(tt.key)
if err != nil {
t.Errorf("NewCipher(%d bytes) = %s", len(tt.key), err)
continue
}
pt := make([]byte, len(tt.in))
c.Decrypt(pt, tt.out)
for j, v := range pt {
if v != tt.in[j] {
t.Errorf("Cipher.Decrypt, test vector #%d: plain-text[%d] = %#x, expected %#x", i, j, v, tt.in[j])
break
}
}
}
}
func TestSaltedCipherKeyLength(t *testing.T) {
if _, err := NewSaltedCipher(nil, []byte{'a'}); err != KeySizeError(0) {
t.Errorf("NewSaltedCipher with short key, gave error %#v, expected %#v", err, KeySizeError(0))
}
// A 57-byte key. One over the typical blowfish restriction.
key := []byte("012345678901234567890123456789012345678901234567890123456")
if _, err := NewSaltedCipher(key, []byte{'a'}); err != nil {
t.Errorf("NewSaltedCipher with long key, gave error %#v", err)
}
}
// Test vectors generated with Blowfish from OpenSSH.
var saltedVectors = [][8]byte{
{0x0c, 0x82, 0x3b, 0x7b, 0x8d, 0x01, 0x4b, 0x7e},
{0xd1, 0xe1, 0x93, 0xf0, 0x70, 0xa6, 0xdb, 0x12},
{0xfc, 0x5e, 0xba, 0xde, 0xcb, 0xf8, 0x59, 0xad},
{0x8a, 0x0c, 0x76, 0xe7, 0xdd, 0x2c, 0xd3, 0xa8},
{0x2c, 0xcb, 0x7b, 0xee, 0xac, 0x7b, 0x7f, 0xf8},
{0xbb, 0xf6, 0x30, 0x6f, 0xe1, 0x5d, 0x62, 0xbf},
{0x97, 0x1e, 0xc1, 0x3d, 0x3d, 0xe0, 0x11, 0xe9},
{0x06, 0xd7, 0x4d, 0xb1, 0x80, 0xa3, 0xb1, 0x38},
{0x67, 0xa1, 0xa9, 0x75, 0x0e, 0x5b, 0xc6, 0xb4},
{0x51, 0x0f, 0x33, 0x0e, 0x4f, 0x67, 0xd2, 0x0c},
{0xf1, 0x73, 0x7e, 0xd8, 0x44, 0xea, 0xdb, 0xe5},
{0x14, 0x0e, 0x16, 0xce, 0x7f, 0x4a, 0x9c, 0x7b},
{0x4b, 0xfe, 0x43, 0xfd, 0xbf, 0x36, 0x04, 0x47},
{0xb1, 0xeb, 0x3e, 0x15, 0x36, 0xa7, 0xbb, 0xe2},
{0x6d, 0x0b, 0x41, 0xdd, 0x00, 0x98, 0x0b, 0x19},
{0xd3, 0xce, 0x45, 0xce, 0x1d, 0x56, 0xb7, 0xfc},
{0xd9, 0xf0, 0xfd, 0xda, 0xc0, 0x23, 0xb7, 0x93},
{0x4c, 0x6f, 0xa1, 0xe4, 0x0c, 0xa8, 0xca, 0x57},
{0xe6, 0x2f, 0x28, 0xa7, 0x0c, 0x94, 0x0d, 0x08},
{0x8f, 0xe3, 0xf0, 0xb6, 0x29, 0xe3, 0x44, 0x03},
{0xff, 0x98, 0xdd, 0x04, 0x45, 0xb4, 0x6d, 0x1f},
{0x9e, 0x45, 0x4d, 0x18, 0x40, 0x53, 0xdb, 0xef},
{0xb7, 0x3b, 0xef, 0x29, 0xbe, 0xa8, 0x13, 0x71},
{0x02, 0x54, 0x55, 0x41, 0x8e, 0x04, 0xfc, 0xad},
{0x6a, 0x0a, 0xee, 0x7c, 0x10, 0xd9, 0x19, 0xfe},
{0x0a, 0x22, 0xd9, 0x41, 0xcc, 0x23, 0x87, 0x13},
{0x6e, 0xff, 0x1f, 0xff, 0x36, 0x17, 0x9c, 0xbe},
{0x79, 0xad, 0xb7, 0x40, 0xf4, 0x9f, 0x51, 0xa6},
{0x97, 0x81, 0x99, 0xa4, 0xde, 0x9e, 0x9f, 0xb6},
{0x12, 0x19, 0x7a, 0x28, 0xd0, 0xdc, 0xcc, 0x92},
{0x81, 0xda, 0x60, 0x1e, 0x0e, 0xdd, 0x65, 0x56},
{0x7d, 0x76, 0x20, 0xb2, 0x73, 0xc9, 0x9e, 0xee},
}
func TestSaltedCipher(t *testing.T) {
var key, salt [32]byte
for i := range key {
key[i] = byte(i)
salt[i] = byte(i + 32)
}
for i, v := range saltedVectors {
c, err := NewSaltedCipher(key[:], salt[:i])
if err != nil {
t.Fatal(err)
}
var buf [8]byte
c.Encrypt(buf[:], buf[:])
if v != buf {
t.Errorf("%d: expected %x, got %x", i, v, buf)
}
}
}
func BenchmarkExpandKeyWithSalt(b *testing.B) {
key := make([]byte, 32)
salt := make([]byte, 16)
c, _ := NewCipher(key)
for i := 0; i < b.N; i++ {
expandKeyWithSalt(key, salt, c)
}
}
func BenchmarkExpandKey(b *testing.B) {
key := make([]byte, 32)
c, _ := NewCipher(key)
for i := 0; i < b.N; i++ {
ExpandKey(key, c)
}
}

91
vendor/golang.org/x/crypto/blowfish/cipher.go generated vendored Normal file
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@ -0,0 +1,91 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package blowfish implements Bruce Schneier's Blowfish encryption algorithm.
package blowfish // import "golang.org/x/crypto/blowfish"
// The code is a port of Bruce Schneier's C implementation.
// See http://www.schneier.com/blowfish.html.
import "strconv"
// The Blowfish block size in bytes.
const BlockSize = 8
// A Cipher is an instance of Blowfish encryption using a particular key.
type Cipher struct {
p [18]uint32
s0, s1, s2, s3 [256]uint32
}
type KeySizeError int
func (k KeySizeError) Error() string {
return "crypto/blowfish: invalid key size " + strconv.Itoa(int(k))
}
// NewCipher creates and returns a Cipher.
// The key argument should be the Blowfish key, from 1 to 56 bytes.
func NewCipher(key []byte) (*Cipher, error) {
var result Cipher
if k := len(key); k < 1 || k > 56 {
return nil, KeySizeError(k)
}
initCipher(&result)
ExpandKey(key, &result)
return &result, nil
}
// NewSaltedCipher creates a returns a Cipher that folds a salt into its key
// schedule. For most purposes, NewCipher, instead of NewSaltedCipher, is
// sufficient and desirable. For bcrypt compatibility, the key can be over 56
// bytes.
func NewSaltedCipher(key, salt []byte) (*Cipher, error) {
if len(salt) == 0 {
return NewCipher(key)
}
var result Cipher
if k := len(key); k < 1 {
return nil, KeySizeError(k)
}
initCipher(&result)
expandKeyWithSalt(key, salt, &result)
return &result, nil
}
// BlockSize returns the Blowfish block size, 8 bytes.
// It is necessary to satisfy the Block interface in the
// package "crypto/cipher".
func (c *Cipher) BlockSize() int { return BlockSize }
// Encrypt encrypts the 8-byte buffer src using the key k
// and stores the result in dst.
// Note that for amounts of data larger than a block,
// it is not safe to just call Encrypt on successive blocks;
// instead, use an encryption mode like CBC (see crypto/cipher/cbc.go).
func (c *Cipher) Encrypt(dst, src []byte) {
l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
l, r = encryptBlock(l, r, c)
dst[0], dst[1], dst[2], dst[3] = byte(l>>24), byte(l>>16), byte(l>>8), byte(l)
dst[4], dst[5], dst[6], dst[7] = byte(r>>24), byte(r>>16), byte(r>>8), byte(r)
}
// Decrypt decrypts the 8-byte buffer src using the key k
// and stores the result in dst.
func (c *Cipher) Decrypt(dst, src []byte) {
l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
l, r = decryptBlock(l, r, c)
dst[0], dst[1], dst[2], dst[3] = byte(l>>24), byte(l>>16), byte(l>>8), byte(l)
dst[4], dst[5], dst[6], dst[7] = byte(r>>24), byte(r>>16), byte(r>>8), byte(r)
}
func initCipher(c *Cipher) {
copy(c.p[0:], p[0:])
copy(c.s0[0:], s0[0:])
copy(c.s1[0:], s1[0:])
copy(c.s2[0:], s2[0:])
copy(c.s3[0:], s3[0:])
}

199
vendor/golang.org/x/crypto/blowfish/const.go generated vendored Normal file
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@ -0,0 +1,199 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// The startup permutation array and substitution boxes.
// They are the hexadecimal digits of PI; see:
// http://www.schneier.com/code/constants.txt.
package blowfish
var s0 = [256]uint32{
0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96,
0xba7c9045, 0xf12c7f99, 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 0x0d95748f, 0x728eb658,
0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e,
0x6c9e0e8b, 0xb01e8a3e, 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, 0x55ca396a, 0x2aab10b6,
0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c,
0x7a325381, 0x28958677, 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 0xef845d5d, 0xe98575b1,
0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a,
0x670c9c61, 0xabd388f0, 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, 0xa1f1651d, 0x39af0176,
0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706,
0x1bfedf72, 0x429b023d, 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b,
0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, 0xe3fe501a, 0xb6794c3b,
0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c,
0xcc814544, 0xaf5ebd09, 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3,
0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, 0x5579c0bd, 0x1a60320a,
0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760,
0x53317b48, 0x3e00df82, 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db,
0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, 0x695b27b0, 0xbbca58c8,
0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33,
0x62fb1341, 0xcee4c6e8, 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 0xd08ed1d0, 0xafc725e0,
0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777,
0xea752dfe, 0x8b021fa1, 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299,
0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 0x165fa266, 0x80957705,
0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e,
0x226800bb, 0x57b8e0af, 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, 0x83260376, 0x6295cfa9,
0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f,
0xf296ec6b, 0x2a0dd915, 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a,
}
var s1 = [256]uint32{
0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d,
0x9cee60b8, 0x8fedb266, 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1,
0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, 0x3f54989a, 0x5b429d65,
0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9,
0x3c971814, 0x6b6a70a1, 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, 0xb03ada37, 0xf0500c0d,
0xf01c1f04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc,
0xc8b57634, 0x9af3dda7, 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, 0x4e548b38, 0x4f6db908,
0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124,
0x501adde6, 0x9f84cd87, 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 0xef1c1847, 0x3215d908,
0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 0x043556f1, 0xd7a3c76b,
0x3c11183b, 0x5924a509, 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e,
0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, 0x771fe71c, 0x4e3d06fa,
0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 0xf2f74ea7, 0x361d2b3d,
0x1939260f, 0x19c27960, 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, 0xc332ddef, 0xbe6c5aa5,
0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830, 0xeb61bd96,
0x0334fe1e, 0xaa0363cf, 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14,
0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, 0x648b1eaf, 0x19bdf0ca,
0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77,
0x11ed935f, 0x16681281, 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99,
0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, 0xcdb30aeb, 0x532e3054,
0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea,
0xdb6c4f15, 0xfacb4fd0, 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 0xcf62a1f2, 0x5b8d2646,
0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 0x58428d2a, 0x0c55f5ea,
0x1dadf43e, 0x233f7061, 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb,
0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, 0xa6078084, 0x19f8509e,
0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 0xdb73dbd3, 0x105588cd,
0x675fda79, 0xe3674340, 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20,
0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7,
}
var s2 = [256]uint32{
0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7,
0xbcf46b2e, 0xd4a20068, 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, 0x4d95fc1d, 0x96b591af,
0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4,
0x0a2c86da, 0xe9b66dfb, 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee,
0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, 0xaace1e7c, 0xd3375fec,
0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332,
0x6841e7f7, 0xca7820fb, 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, 0x55a867bc, 0xa1159a58,
0xcca92963, 0x99e1db33, 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22,
0x48c1133f, 0xc70f86dc, 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17,
0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, 0x257b7834, 0x602a9c60,
0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99,
0xde720c8c, 0x2da2f728, 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, 0x0a476341, 0x992eff74,
0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xf1290dc7, 0xcc00ffa3,
0xb5390f92, 0x690fed0b, 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, 0x37392eb3, 0xcc115979,
0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 0x1a6b1018, 0x11caedfa,
0x3d25bdd8, 0xe2e1c3c9, 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a,
0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, 0x9dbc8057, 0xf0f7c086,
0x60787bf8, 0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24,
0x55464299, 0xbf582e61, 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, 0x7aeb2661, 0x8b1ddf84,
0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09,
0x662d09a1, 0xc4324633, 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10,
0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, 0xdcb7da83, 0x573906fe,
0xa1e2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0,
0x006058aa, 0x30dc7d62, 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, 0x6f05e409, 0x4b7c0188,
0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8,
0xa28514d9, 0x6c51133c, 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837,
0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0,
}
var s3 = [256]uint32{
0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742,
0xd3822740, 0x99bc9bbe, 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, 0x5748ab2f, 0xbc946e79,
0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xa1fad5f0, 0x6a2d519a,
0x63ef8ce2, 0x9a86ee22, 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, 0x2826a2f9, 0xa73a3ae1,
0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797,
0x2cf0b7d9, 0x022b8b51, 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28,
0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, 0xe029ac71, 0xe019a5e6,
0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4, 0x88f46dba,
0x03a16125, 0x0564f0bd, 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a,
0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, 0x7533d928, 0xb155fdf5,
0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce,
0x5121ce64, 0x774fbe32, 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, 0xb39a460a, 0x6445c0dd,
0x586cdecf, 0x1c20c8ae, 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb,
0x8d6612ae, 0xbf3c6f47, 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, 0x4040cb08, 0x4eb4e2cc,
0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 0x611560b1, 0xe7933fdc,
0xbb3a792b, 0x344525bd, 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, 0x1a908749, 0xd44fbd9a,
0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0x15e6fc2a,
0x0f91fc71, 0x9b941525, 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1,
0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, 0xe0ec6e0e, 0x1698db3b,
0x4c98a0be, 0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e,
0xe60b6f47, 0x0fe3f11d, 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f,
0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, 0xf523f357, 0xa6327623,
0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a,
0x45e1d006, 0xc3f27b9a, 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, 0x53113ec0, 0x1640e3d3,
0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c,
0x01c36ae4, 0xd6ebe1f9, 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6,
}
var p = [18]uint32{
0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0,
0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 0x9216d5d9, 0x8979fb1b,
}

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vendor/golang.org/x/crypto/bn256/bn256.go generated vendored Normal file
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@ -0,0 +1,404 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package bn256 implements a particular bilinear group at the 128-bit security level.
//
// Bilinear groups are the basis of many of the new cryptographic protocols
// that have been proposed over the past decade. They consist of a triplet of
// groups (G₁, G₂ and GT) such that there exists a function e(g₁ˣ,g₂ʸ)=gTˣʸ
// (where gₓ is a generator of the respective group). That function is called
// a pairing function.
//
// This package specifically implements the Optimal Ate pairing over a 256-bit
// Barreto-Naehrig curve as described in
// http://cryptojedi.org/papers/dclxvi-20100714.pdf. Its output is compatible
// with the implementation described in that paper.
package bn256 // import "golang.org/x/crypto/bn256"
import (
"crypto/rand"
"io"
"math/big"
)
// BUG(agl): this implementation is not constant time.
// TODO(agl): keep GF(p²) elements in Mongomery form.
// G1 is an abstract cyclic group. The zero value is suitable for use as the
// output of an operation, but cannot be used as an input.
type G1 struct {
p *curvePoint
}
// RandomG1 returns x and g₁ˣ where x is a random, non-zero number read from r.
func RandomG1(r io.Reader) (*big.Int, *G1, error) {
var k *big.Int
var err error
for {
k, err = rand.Int(r, Order)
if err != nil {
return nil, nil, err
}
if k.Sign() > 0 {
break
}
}
return k, new(G1).ScalarBaseMult(k), nil
}
func (g *G1) String() string {
return "bn256.G1" + g.p.String()
}
// ScalarBaseMult sets e to g*k where g is the generator of the group and
// then returns e.
func (e *G1) ScalarBaseMult(k *big.Int) *G1 {
if e.p == nil {
e.p = newCurvePoint(nil)
}
e.p.Mul(curveGen, k, new(bnPool))
return e
}
// ScalarMult sets e to a*k and then returns e.
func (e *G1) ScalarMult(a *G1, k *big.Int) *G1 {
if e.p == nil {
e.p = newCurvePoint(nil)
}
e.p.Mul(a.p, k, new(bnPool))
return e
}
// Add sets e to a+b and then returns e.
// BUG(agl): this function is not complete: a==b fails.
func (e *G1) Add(a, b *G1) *G1 {
if e.p == nil {
e.p = newCurvePoint(nil)
}
e.p.Add(a.p, b.p, new(bnPool))
return e
}
// Neg sets e to -a and then returns e.
func (e *G1) Neg(a *G1) *G1 {
if e.p == nil {
e.p = newCurvePoint(nil)
}
e.p.Negative(a.p)
return e
}
// Marshal converts n to a byte slice.
func (n *G1) Marshal() []byte {
n.p.MakeAffine(nil)
xBytes := new(big.Int).Mod(n.p.x, p).Bytes()
yBytes := new(big.Int).Mod(n.p.y, p).Bytes()
// Each value is a 256-bit number.
const numBytes = 256 / 8
ret := make([]byte, numBytes*2)
copy(ret[1*numBytes-len(xBytes):], xBytes)
copy(ret[2*numBytes-len(yBytes):], yBytes)
return ret
}
// Unmarshal sets e to the result of converting the output of Marshal back into
// a group element and then returns e.
func (e *G1) Unmarshal(m []byte) (*G1, bool) {
// Each value is a 256-bit number.
const numBytes = 256 / 8
if len(m) != 2*numBytes {
return nil, false
}
if e.p == nil {
e.p = newCurvePoint(nil)
}
e.p.x.SetBytes(m[0*numBytes : 1*numBytes])
e.p.y.SetBytes(m[1*numBytes : 2*numBytes])
if e.p.x.Sign() == 0 && e.p.y.Sign() == 0 {
// This is the point at infinity.
e.p.y.SetInt64(1)
e.p.z.SetInt64(0)
e.p.t.SetInt64(0)
} else {
e.p.z.SetInt64(1)
e.p.t.SetInt64(1)
if !e.p.IsOnCurve() {
return nil, false
}
}
return e, true
}
// G2 is an abstract cyclic group. The zero value is suitable for use as the
// output of an operation, but cannot be used as an input.
type G2 struct {
p *twistPoint
}
// RandomG1 returns x and g₂ˣ where x is a random, non-zero number read from r.
func RandomG2(r io.Reader) (*big.Int, *G2, error) {
var k *big.Int
var err error
for {
k, err = rand.Int(r, Order)
if err != nil {
return nil, nil, err
}
if k.Sign() > 0 {
break
}
}
return k, new(G2).ScalarBaseMult(k), nil
}
func (g *G2) String() string {
return "bn256.G2" + g.p.String()
}
// ScalarBaseMult sets e to g*k where g is the generator of the group and
// then returns out.
func (e *G2) ScalarBaseMult(k *big.Int) *G2 {
if e.p == nil {
e.p = newTwistPoint(nil)
}
e.p.Mul(twistGen, k, new(bnPool))
return e
}
// ScalarMult sets e to a*k and then returns e.
func (e *G2) ScalarMult(a *G2, k *big.Int) *G2 {
if e.p == nil {
e.p = newTwistPoint(nil)
}
e.p.Mul(a.p, k, new(bnPool))
return e
}
// Add sets e to a+b and then returns e.
// BUG(agl): this function is not complete: a==b fails.
func (e *G2) Add(a, b *G2) *G2 {
if e.p == nil {
e.p = newTwistPoint(nil)
}
e.p.Add(a.p, b.p, new(bnPool))
return e
}
// Marshal converts n into a byte slice.
func (n *G2) Marshal() []byte {
n.p.MakeAffine(nil)
xxBytes := new(big.Int).Mod(n.p.x.x, p).Bytes()
xyBytes := new(big.Int).Mod(n.p.x.y, p).Bytes()
yxBytes := new(big.Int).Mod(n.p.y.x, p).Bytes()
yyBytes := new(big.Int).Mod(n.p.y.y, p).Bytes()
// Each value is a 256-bit number.
const numBytes = 256 / 8
ret := make([]byte, numBytes*4)
copy(ret[1*numBytes-len(xxBytes):], xxBytes)
copy(ret[2*numBytes-len(xyBytes):], xyBytes)
copy(ret[3*numBytes-len(yxBytes):], yxBytes)
copy(ret[4*numBytes-len(yyBytes):], yyBytes)
return ret
}
// Unmarshal sets e to the result of converting the output of Marshal back into
// a group element and then returns e.
func (e *G2) Unmarshal(m []byte) (*G2, bool) {
// Each value is a 256-bit number.
const numBytes = 256 / 8
if len(m) != 4*numBytes {
return nil, false
}
if e.p == nil {
e.p = newTwistPoint(nil)
}
e.p.x.x.SetBytes(m[0*numBytes : 1*numBytes])
e.p.x.y.SetBytes(m[1*numBytes : 2*numBytes])
e.p.y.x.SetBytes(m[2*numBytes : 3*numBytes])
e.p.y.y.SetBytes(m[3*numBytes : 4*numBytes])
if e.p.x.x.Sign() == 0 &&
e.p.x.y.Sign() == 0 &&
e.p.y.x.Sign() == 0 &&
e.p.y.y.Sign() == 0 {
// This is the point at infinity.
e.p.y.SetOne()
e.p.z.SetZero()
e.p.t.SetZero()
} else {
e.p.z.SetOne()
e.p.t.SetOne()
if !e.p.IsOnCurve() {
return nil, false
}
}
return e, true
}
// GT is an abstract cyclic group. The zero value is suitable for use as the
// output of an operation, but cannot be used as an input.
type GT struct {
p *gfP12
}
func (g *GT) String() string {
return "bn256.GT" + g.p.String()
}
// ScalarMult sets e to a*k and then returns e.
func (e *GT) ScalarMult(a *GT, k *big.Int) *GT {
if e.p == nil {
e.p = newGFp12(nil)
}
e.p.Exp(a.p, k, new(bnPool))
return e
}
// Add sets e to a+b and then returns e.
func (e *GT) Add(a, b *GT) *GT {
if e.p == nil {
e.p = newGFp12(nil)
}
e.p.Mul(a.p, b.p, new(bnPool))
return e
}
// Neg sets e to -a and then returns e.
func (e *GT) Neg(a *GT) *GT {
if e.p == nil {
e.p = newGFp12(nil)
}
e.p.Invert(a.p, new(bnPool))
return e
}
// Marshal converts n into a byte slice.
func (n *GT) Marshal() []byte {
n.p.Minimal()
xxxBytes := n.p.x.x.x.Bytes()
xxyBytes := n.p.x.x.y.Bytes()
xyxBytes := n.p.x.y.x.Bytes()
xyyBytes := n.p.x.y.y.Bytes()
xzxBytes := n.p.x.z.x.Bytes()
xzyBytes := n.p.x.z.y.Bytes()
yxxBytes := n.p.y.x.x.Bytes()
yxyBytes := n.p.y.x.y.Bytes()
yyxBytes := n.p.y.y.x.Bytes()
yyyBytes := n.p.y.y.y.Bytes()
yzxBytes := n.p.y.z.x.Bytes()
yzyBytes := n.p.y.z.y.Bytes()
// Each value is a 256-bit number.
const numBytes = 256 / 8
ret := make([]byte, numBytes*12)
copy(ret[1*numBytes-len(xxxBytes):], xxxBytes)
copy(ret[2*numBytes-len(xxyBytes):], xxyBytes)
copy(ret[3*numBytes-len(xyxBytes):], xyxBytes)
copy(ret[4*numBytes-len(xyyBytes):], xyyBytes)
copy(ret[5*numBytes-len(xzxBytes):], xzxBytes)
copy(ret[6*numBytes-len(xzyBytes):], xzyBytes)
copy(ret[7*numBytes-len(yxxBytes):], yxxBytes)
copy(ret[8*numBytes-len(yxyBytes):], yxyBytes)
copy(ret[9*numBytes-len(yyxBytes):], yyxBytes)
copy(ret[10*numBytes-len(yyyBytes):], yyyBytes)
copy(ret[11*numBytes-len(yzxBytes):], yzxBytes)
copy(ret[12*numBytes-len(yzyBytes):], yzyBytes)
return ret
}
// Unmarshal sets e to the result of converting the output of Marshal back into
// a group element and then returns e.
func (e *GT) Unmarshal(m []byte) (*GT, bool) {
// Each value is a 256-bit number.
const numBytes = 256 / 8
if len(m) != 12*numBytes {
return nil, false
}
if e.p == nil {
e.p = newGFp12(nil)
}
e.p.x.x.x.SetBytes(m[0*numBytes : 1*numBytes])
e.p.x.x.y.SetBytes(m[1*numBytes : 2*numBytes])
e.p.x.y.x.SetBytes(m[2*numBytes : 3*numBytes])
e.p.x.y.y.SetBytes(m[3*numBytes : 4*numBytes])
e.p.x.z.x.SetBytes(m[4*numBytes : 5*numBytes])
e.p.x.z.y.SetBytes(m[5*numBytes : 6*numBytes])
e.p.y.x.x.SetBytes(m[6*numBytes : 7*numBytes])
e.p.y.x.y.SetBytes(m[7*numBytes : 8*numBytes])
e.p.y.y.x.SetBytes(m[8*numBytes : 9*numBytes])
e.p.y.y.y.SetBytes(m[9*numBytes : 10*numBytes])
e.p.y.z.x.SetBytes(m[10*numBytes : 11*numBytes])
e.p.y.z.y.SetBytes(m[11*numBytes : 12*numBytes])
return e, true
}
// Pair calculates an Optimal Ate pairing.
func Pair(g1 *G1, g2 *G2) *GT {
return &GT{optimalAte(g2.p, g1.p, new(bnPool))}
}
// bnPool implements a tiny cache of *big.Int objects that's used to reduce the
// number of allocations made during processing.
type bnPool struct {
bns []*big.Int
count int
}
func (pool *bnPool) Get() *big.Int {
if pool == nil {
return new(big.Int)
}
pool.count++
l := len(pool.bns)
if l == 0 {
return new(big.Int)
}
bn := pool.bns[l-1]
pool.bns = pool.bns[:l-1]
return bn
}
func (pool *bnPool) Put(bn *big.Int) {
if pool == nil {
return
}
pool.bns = append(pool.bns, bn)
pool.count--
}
func (pool *bnPool) Count() int {
return pool.count
}

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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bn256
import (
"bytes"
"crypto/rand"
"math/big"
"testing"
)
func TestGFp2Invert(t *testing.T) {
pool := new(bnPool)
a := newGFp2(pool)
a.x.SetString("23423492374", 10)
a.y.SetString("12934872398472394827398470", 10)
inv := newGFp2(pool)
inv.Invert(a, pool)
b := newGFp2(pool).Mul(inv, a, pool)
if b.x.Int64() != 0 || b.y.Int64() != 1 {
t.Fatalf("bad result for a^-1*a: %s %s", b.x, b.y)
}
a.Put(pool)
b.Put(pool)
inv.Put(pool)
if c := pool.Count(); c > 0 {
t.Errorf("Pool count non-zero: %d\n", c)
}
}
func isZero(n *big.Int) bool {
return new(big.Int).Mod(n, p).Int64() == 0
}
func isOne(n *big.Int) bool {
return new(big.Int).Mod(n, p).Int64() == 1
}
func TestGFp6Invert(t *testing.T) {
pool := new(bnPool)
a := newGFp6(pool)
a.x.x.SetString("239487238491", 10)
a.x.y.SetString("2356249827341", 10)
a.y.x.SetString("082659782", 10)
a.y.y.SetString("182703523765", 10)
a.z.x.SetString("978236549263", 10)
a.z.y.SetString("64893242", 10)
inv := newGFp6(pool)
inv.Invert(a, pool)
b := newGFp6(pool).Mul(inv, a, pool)
if !isZero(b.x.x) ||
!isZero(b.x.y) ||
!isZero(b.y.x) ||
!isZero(b.y.y) ||
!isZero(b.z.x) ||
!isOne(b.z.y) {
t.Fatalf("bad result for a^-1*a: %s", b)
}
a.Put(pool)
b.Put(pool)
inv.Put(pool)
if c := pool.Count(); c > 0 {
t.Errorf("Pool count non-zero: %d\n", c)
}
}
func TestGFp12Invert(t *testing.T) {
pool := new(bnPool)
a := newGFp12(pool)
a.x.x.x.SetString("239846234862342323958623", 10)
a.x.x.y.SetString("2359862352529835623", 10)
a.x.y.x.SetString("928836523", 10)
a.x.y.y.SetString("9856234", 10)
a.x.z.x.SetString("235635286", 10)
a.x.z.y.SetString("5628392833", 10)
a.y.x.x.SetString("252936598265329856238956532167968", 10)
a.y.x.y.SetString("23596239865236954178968", 10)
a.y.y.x.SetString("95421692834", 10)
a.y.y.y.SetString("236548", 10)
a.y.z.x.SetString("924523", 10)
a.y.z.y.SetString("12954623", 10)
inv := newGFp12(pool)
inv.Invert(a, pool)
b := newGFp12(pool).Mul(inv, a, pool)
if !isZero(b.x.x.x) ||
!isZero(b.x.x.y) ||
!isZero(b.x.y.x) ||
!isZero(b.x.y.y) ||
!isZero(b.x.z.x) ||
!isZero(b.x.z.y) ||
!isZero(b.y.x.x) ||
!isZero(b.y.x.y) ||
!isZero(b.y.y.x) ||
!isZero(b.y.y.y) ||
!isZero(b.y.z.x) ||
!isOne(b.y.z.y) {
t.Fatalf("bad result for a^-1*a: %s", b)
}
a.Put(pool)
b.Put(pool)
inv.Put(pool)
if c := pool.Count(); c > 0 {
t.Errorf("Pool count non-zero: %d\n", c)
}
}
func TestCurveImpl(t *testing.T) {
pool := new(bnPool)
g := &curvePoint{
pool.Get().SetInt64(1),
pool.Get().SetInt64(-2),
pool.Get().SetInt64(1),
pool.Get().SetInt64(0),
}
x := pool.Get().SetInt64(32498273234)
X := newCurvePoint(pool).Mul(g, x, pool)
y := pool.Get().SetInt64(98732423523)
Y := newCurvePoint(pool).Mul(g, y, pool)
s1 := newCurvePoint(pool).Mul(X, y, pool).MakeAffine(pool)
s2 := newCurvePoint(pool).Mul(Y, x, pool).MakeAffine(pool)
if s1.x.Cmp(s2.x) != 0 ||
s2.x.Cmp(s1.x) != 0 {
t.Errorf("DH points don't match: (%s, %s) (%s, %s)", s1.x, s1.y, s2.x, s2.y)
}
pool.Put(x)
X.Put(pool)
pool.Put(y)
Y.Put(pool)
s1.Put(pool)
s2.Put(pool)
g.Put(pool)
if c := pool.Count(); c > 0 {
t.Errorf("Pool count non-zero: %d\n", c)
}
}
func TestOrderG1(t *testing.T) {
g := new(G1).ScalarBaseMult(Order)
if !g.p.IsInfinity() {
t.Error("G1 has incorrect order")
}
one := new(G1).ScalarBaseMult(new(big.Int).SetInt64(1))
g.Add(g, one)
g.p.MakeAffine(nil)
if g.p.x.Cmp(one.p.x) != 0 || g.p.y.Cmp(one.p.y) != 0 {
t.Errorf("1+0 != 1 in G1")
}
}
func TestOrderG2(t *testing.T) {
g := new(G2).ScalarBaseMult(Order)
if !g.p.IsInfinity() {
t.Error("G2 has incorrect order")
}
one := new(G2).ScalarBaseMult(new(big.Int).SetInt64(1))
g.Add(g, one)
g.p.MakeAffine(nil)
if g.p.x.x.Cmp(one.p.x.x) != 0 ||
g.p.x.y.Cmp(one.p.x.y) != 0 ||
g.p.y.x.Cmp(one.p.y.x) != 0 ||
g.p.y.y.Cmp(one.p.y.y) != 0 {
t.Errorf("1+0 != 1 in G2")
}
}
func TestOrderGT(t *testing.T) {
gt := Pair(&G1{curveGen}, &G2{twistGen})
g := new(GT).ScalarMult(gt, Order)
if !g.p.IsOne() {
t.Error("GT has incorrect order")
}
}
func TestBilinearity(t *testing.T) {
for i := 0; i < 2; i++ {
a, p1, _ := RandomG1(rand.Reader)
b, p2, _ := RandomG2(rand.Reader)
e1 := Pair(p1, p2)
e2 := Pair(&G1{curveGen}, &G2{twistGen})
e2.ScalarMult(e2, a)
e2.ScalarMult(e2, b)
minusE2 := new(GT).Neg(e2)
e1.Add(e1, minusE2)
if !e1.p.IsOne() {
t.Fatalf("bad pairing result: %s", e1)
}
}
}
func TestG1Marshal(t *testing.T) {
g := new(G1).ScalarBaseMult(new(big.Int).SetInt64(1))
form := g.Marshal()
_, ok := new(G1).Unmarshal(form)
if !ok {
t.Fatalf("failed to unmarshal")
}
g.ScalarBaseMult(Order)
form = g.Marshal()
g2, ok := new(G1).Unmarshal(form)
if !ok {
t.Fatalf("failed to unmarshal ∞")
}
if !g2.p.IsInfinity() {
t.Fatalf("∞ unmarshaled incorrectly")
}
}
func TestG2Marshal(t *testing.T) {
g := new(G2).ScalarBaseMult(new(big.Int).SetInt64(1))
form := g.Marshal()
_, ok := new(G2).Unmarshal(form)
if !ok {
t.Fatalf("failed to unmarshal")
}
g.ScalarBaseMult(Order)
form = g.Marshal()
g2, ok := new(G2).Unmarshal(form)
if !ok {
t.Fatalf("failed to unmarshal ∞")
}
if !g2.p.IsInfinity() {
t.Fatalf("∞ unmarshaled incorrectly")
}
}
func TestG1Identity(t *testing.T) {
g := new(G1).ScalarBaseMult(new(big.Int).SetInt64(0))
if !g.p.IsInfinity() {
t.Error("failure")
}
}
func TestG2Identity(t *testing.T) {
g := new(G2).ScalarBaseMult(new(big.Int).SetInt64(0))
if !g.p.IsInfinity() {
t.Error("failure")
}
}
func TestTripartiteDiffieHellman(t *testing.T) {
a, _ := rand.Int(rand.Reader, Order)
b, _ := rand.Int(rand.Reader, Order)
c, _ := rand.Int(rand.Reader, Order)
pa, _ := new(G1).Unmarshal(new(G1).ScalarBaseMult(a).Marshal())
qa, _ := new(G2).Unmarshal(new(G2).ScalarBaseMult(a).Marshal())
pb, _ := new(G1).Unmarshal(new(G1).ScalarBaseMult(b).Marshal())
qb, _ := new(G2).Unmarshal(new(G2).ScalarBaseMult(b).Marshal())
pc, _ := new(G1).Unmarshal(new(G1).ScalarBaseMult(c).Marshal())
qc, _ := new(G2).Unmarshal(new(G2).ScalarBaseMult(c).Marshal())
k1 := Pair(pb, qc)
k1.ScalarMult(k1, a)
k1Bytes := k1.Marshal()
k2 := Pair(pc, qa)
k2.ScalarMult(k2, b)
k2Bytes := k2.Marshal()
k3 := Pair(pa, qb)
k3.ScalarMult(k3, c)
k3Bytes := k3.Marshal()
if !bytes.Equal(k1Bytes, k2Bytes) || !bytes.Equal(k2Bytes, k3Bytes) {
t.Errorf("keys didn't agree")
}
}
func BenchmarkPairing(b *testing.B) {
for i := 0; i < b.N; i++ {
Pair(&G1{curveGen}, &G2{twistGen})
}
}

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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bn256
import (
"math/big"
)
func bigFromBase10(s string) *big.Int {
n, _ := new(big.Int).SetString(s, 10)
return n
}
// u is the BN parameter that determines the prime: 1868033³.
var u = bigFromBase10("6518589491078791937")
// p is a prime over which we form a basic field: 36u⁴+36u³+24u³+6u+1.
var p = bigFromBase10("65000549695646603732796438742359905742825358107623003571877145026864184071783")
// Order is the number of elements in both G₁ and G₂: 36u⁴+36u³+18u³+6u+1.
var Order = bigFromBase10("65000549695646603732796438742359905742570406053903786389881062969044166799969")
// xiToPMinus1Over6 is ξ^((p-1)/6) where ξ = i+3.
var xiToPMinus1Over6 = &gfP2{bigFromBase10("8669379979083712429711189836753509758585994370025260553045152614783263110636"), bigFromBase10("19998038925833620163537568958541907098007303196759855091367510456613536016040")}
// xiToPMinus1Over3 is ξ^((p-1)/3) where ξ = i+3.
var xiToPMinus1Over3 = &gfP2{bigFromBase10("26098034838977895781559542626833399156321265654106457577426020397262786167059"), bigFromBase10("15931493369629630809226283458085260090334794394361662678240713231519278691715")}
// xiToPMinus1Over2 is ξ^((p-1)/2) where ξ = i+3.
var xiToPMinus1Over2 = &gfP2{bigFromBase10("50997318142241922852281555961173165965672272825141804376761836765206060036244"), bigFromBase10("38665955945962842195025998234511023902832543644254935982879660597356748036009")}
// xiToPSquaredMinus1Over3 is ξ^((p²-1)/3) where ξ = i+3.
var xiToPSquaredMinus1Over3 = bigFromBase10("65000549695646603727810655408050771481677621702948236658134783353303381437752")
// xiTo2PSquaredMinus2Over3 is ξ^((2p²-2)/3) where ξ = i+3 (a cubic root of unity, mod p).
var xiTo2PSquaredMinus2Over3 = bigFromBase10("4985783334309134261147736404674766913742361673560802634030")
// xiToPSquaredMinus1Over6 is ξ^((1p²-1)/6) where ξ = i+3 (a cubic root of -1, mod p).
var xiToPSquaredMinus1Over6 = bigFromBase10("65000549695646603727810655408050771481677621702948236658134783353303381437753")
// xiTo2PMinus2Over3 is ξ^((2p-2)/3) where ξ = i+3.
var xiTo2PMinus2Over3 = &gfP2{bigFromBase10("19885131339612776214803633203834694332692106372356013117629940868870585019582"), bigFromBase10("21645619881471562101905880913352894726728173167203616652430647841922248593627")}

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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bn256
import (
"math/big"
)
// curvePoint implements the elliptic curve y²=x³+3. Points are kept in
// Jacobian form and t=z² when valid. G₁ is the set of points of this curve on
// GF(p).
type curvePoint struct {
x, y, z, t *big.Int
}
var curveB = new(big.Int).SetInt64(3)
// curveGen is the generator of G₁.
var curveGen = &curvePoint{
new(big.Int).SetInt64(1),
new(big.Int).SetInt64(-2),
new(big.Int).SetInt64(1),
new(big.Int).SetInt64(1),
}
func newCurvePoint(pool *bnPool) *curvePoint {
return &curvePoint{
pool.Get(),
pool.Get(),
pool.Get(),
pool.Get(),
}
}
func (c *curvePoint) String() string {
c.MakeAffine(new(bnPool))
return "(" + c.x.String() + ", " + c.y.String() + ")"
}
func (c *curvePoint) Put(pool *bnPool) {
pool.Put(c.x)
pool.Put(c.y)
pool.Put(c.z)
pool.Put(c.t)
}
func (c *curvePoint) Set(a *curvePoint) {
c.x.Set(a.x)
c.y.Set(a.y)
c.z.Set(a.z)
c.t.Set(a.t)
}
// IsOnCurve returns true iff c is on the curve where c must be in affine form.
func (c *curvePoint) IsOnCurve() bool {
yy := new(big.Int).Mul(c.y, c.y)
xxx := new(big.Int).Mul(c.x, c.x)
xxx.Mul(xxx, c.x)
yy.Sub(yy, xxx)
yy.Sub(yy, curveB)
if yy.Sign() < 0 || yy.Cmp(p) >= 0 {
yy.Mod(yy, p)
}
return yy.Sign() == 0
}
func (c *curvePoint) SetInfinity() {
c.z.SetInt64(0)
}
func (c *curvePoint) IsInfinity() bool {
return c.z.Sign() == 0
}
func (c *curvePoint) Add(a, b *curvePoint, pool *bnPool) {
if a.IsInfinity() {
c.Set(b)
return
}
if b.IsInfinity() {
c.Set(a)
return
}
// See http://hyperelliptic.org/EFD/g1p/auto-code/shortw/jacobian-0/addition/add-2007-bl.op3
// Normalize the points by replacing a = [x1:y1:z1] and b = [x2:y2:z2]
// by [u1:s1:z1·z2] and [u2:s2:z1·z2]
// where u1 = x1·z2², s1 = y1·z2³ and u1 = x2·z1², s2 = y2·z1³
z1z1 := pool.Get().Mul(a.z, a.z)
z1z1.Mod(z1z1, p)
z2z2 := pool.Get().Mul(b.z, b.z)
z2z2.Mod(z2z2, p)
u1 := pool.Get().Mul(a.x, z2z2)
u1.Mod(u1, p)
u2 := pool.Get().Mul(b.x, z1z1)
u2.Mod(u2, p)
t := pool.Get().Mul(b.z, z2z2)
t.Mod(t, p)
s1 := pool.Get().Mul(a.y, t)
s1.Mod(s1, p)
t.Mul(a.z, z1z1)
t.Mod(t, p)
s2 := pool.Get().Mul(b.y, t)
s2.Mod(s2, p)
// Compute x = (2h)²(s²-u1-u2)
// where s = (s2-s1)/(u2-u1) is the slope of the line through
// (u1,s1) and (u2,s2). The extra factor 2h = 2(u2-u1) comes from the value of z below.
// This is also:
// 4(s2-s1)² - 4h²(u1+u2) = 4(s2-s1)² - 4h³ - 4h²(2u1)
// = r² - j - 2v
// with the notations below.
h := pool.Get().Sub(u2, u1)
xEqual := h.Sign() == 0
t.Add(h, h)
// i = 4h²
i := pool.Get().Mul(t, t)
i.Mod(i, p)
// j = 4h³
j := pool.Get().Mul(h, i)
j.Mod(j, p)
t.Sub(s2, s1)
yEqual := t.Sign() == 0
if xEqual && yEqual {
c.Double(a, pool)
return
}
r := pool.Get().Add(t, t)
v := pool.Get().Mul(u1, i)
v.Mod(v, p)
// t4 = 4(s2-s1)²
t4 := pool.Get().Mul(r, r)
t4.Mod(t4, p)
t.Add(v, v)
t6 := pool.Get().Sub(t4, j)
c.x.Sub(t6, t)
// Set y = -(2h)³(s1 + s*(x/4h²-u1))
// This is also
// y = - 2·s1·j - (s2-s1)(2x - 2i·u1) = r(v-x) - 2·s1·j
t.Sub(v, c.x) // t7
t4.Mul(s1, j) // t8
t4.Mod(t4, p)
t6.Add(t4, t4) // t9
t4.Mul(r, t) // t10
t4.Mod(t4, p)
c.y.Sub(t4, t6)
// Set z = 2(u2-u1)·z1·z2 = 2h·z1·z2
t.Add(a.z, b.z) // t11
t4.Mul(t, t) // t12
t4.Mod(t4, p)
t.Sub(t4, z1z1) // t13
t4.Sub(t, z2z2) // t14
c.z.Mul(t4, h)
c.z.Mod(c.z, p)
pool.Put(z1z1)
pool.Put(z2z2)
pool.Put(u1)
pool.Put(u2)
pool.Put(t)
pool.Put(s1)
pool.Put(s2)
pool.Put(h)
pool.Put(i)
pool.Put(j)
pool.Put(r)
pool.Put(v)
pool.Put(t4)
pool.Put(t6)
}
func (c *curvePoint) Double(a *curvePoint, pool *bnPool) {
// See http://hyperelliptic.org/EFD/g1p/auto-code/shortw/jacobian-0/doubling/dbl-2009-l.op3
A := pool.Get().Mul(a.x, a.x)
A.Mod(A, p)
B := pool.Get().Mul(a.y, a.y)
B.Mod(B, p)
C := pool.Get().Mul(B, B)
C.Mod(C, p)
t := pool.Get().Add(a.x, B)
t2 := pool.Get().Mul(t, t)
t2.Mod(t2, p)
t.Sub(t2, A)
t2.Sub(t, C)
d := pool.Get().Add(t2, t2)
t.Add(A, A)
e := pool.Get().Add(t, A)
f := pool.Get().Mul(e, e)
f.Mod(f, p)
t.Add(d, d)
c.x.Sub(f, t)
t.Add(C, C)
t2.Add(t, t)
t.Add(t2, t2)
c.y.Sub(d, c.x)
t2.Mul(e, c.y)
t2.Mod(t2, p)
c.y.Sub(t2, t)
t.Mul(a.y, a.z)
t.Mod(t, p)
c.z.Add(t, t)
pool.Put(A)
pool.Put(B)
pool.Put(C)
pool.Put(t)
pool.Put(t2)
pool.Put(d)
pool.Put(e)
pool.Put(f)
}
func (c *curvePoint) Mul(a *curvePoint, scalar *big.Int, pool *bnPool) *curvePoint {
sum := newCurvePoint(pool)
sum.SetInfinity()
t := newCurvePoint(pool)
for i := scalar.BitLen(); i >= 0; i-- {
t.Double(sum, pool)
if scalar.Bit(i) != 0 {
sum.Add(t, a, pool)
} else {
sum.Set(t)
}
}
c.Set(sum)
sum.Put(pool)
t.Put(pool)
return c
}
func (c *curvePoint) MakeAffine(pool *bnPool) *curvePoint {
if words := c.z.Bits(); len(words) == 1 && words[0] == 1 {
return c
}
zInv := pool.Get().ModInverse(c.z, p)
t := pool.Get().Mul(c.y, zInv)
t.Mod(t, p)
zInv2 := pool.Get().Mul(zInv, zInv)
zInv2.Mod(zInv2, p)
c.y.Mul(t, zInv2)
c.y.Mod(c.y, p)
t.Mul(c.x, zInv2)
t.Mod(t, p)
c.x.Set(t)
c.z.SetInt64(1)
c.t.SetInt64(1)
pool.Put(zInv)
pool.Put(t)
pool.Put(zInv2)
return c
}
func (c *curvePoint) Negative(a *curvePoint) {
c.x.Set(a.x)
c.y.Neg(a.y)
c.z.Set(a.z)
c.t.SetInt64(0)
}

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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bn256
import (
"crypto/rand"
)
func ExamplePair() {
// This implements the tripartite Diffie-Hellman algorithm from "A One
// Round Protocol for Tripartite Diffie-Hellman", A. Joux.
// http://www.springerlink.com/content/cddc57yyva0hburb/fulltext.pdf
// Each of three parties, a, b and c, generate a private value.
a, _ := rand.Int(rand.Reader, Order)
b, _ := rand.Int(rand.Reader, Order)
c, _ := rand.Int(rand.Reader, Order)
// Then each party calculates g₁ and g₂ times their private value.
pa := new(G1).ScalarBaseMult(a)
qa := new(G2).ScalarBaseMult(a)
pb := new(G1).ScalarBaseMult(b)
qb := new(G2).ScalarBaseMult(b)
pc := new(G1).ScalarBaseMult(c)
qc := new(G2).ScalarBaseMult(c)
// Now each party exchanges its public values with the other two and
// all parties can calculate the shared key.
k1 := Pair(pb, qc)
k1.ScalarMult(k1, a)
k2 := Pair(pc, qa)
k2.ScalarMult(k2, b)
k3 := Pair(pa, qb)
k3.ScalarMult(k3, c)
// k1, k2 and k3 will all be equal.
}

200
vendor/golang.org/x/crypto/bn256/gfp12.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bn256
// For details of the algorithms used, see "Multiplication and Squaring on
// Pairing-Friendly Fields, Devegili et al.
// http://eprint.iacr.org/2006/471.pdf.
import (
"math/big"
)
// gfP12 implements the field of size p¹² as a quadratic extension of gfP6
// where ω²=τ.
type gfP12 struct {
x, y *gfP6 // value is xω + y
}
func newGFp12(pool *bnPool) *gfP12 {
return &gfP12{newGFp6(pool), newGFp6(pool)}
}
func (e *gfP12) String() string {
return "(" + e.x.String() + "," + e.y.String() + ")"
}
func (e *gfP12) Put(pool *bnPool) {
e.x.Put(pool)
e.y.Put(pool)
}
func (e *gfP12) Set(a *gfP12) *gfP12 {
e.x.Set(a.x)
e.y.Set(a.y)
return e
}
func (e *gfP12) SetZero() *gfP12 {
e.x.SetZero()
e.y.SetZero()
return e
}
func (e *gfP12) SetOne() *gfP12 {
e.x.SetZero()
e.y.SetOne()
return e
}
func (e *gfP12) Minimal() {
e.x.Minimal()
e.y.Minimal()
}
func (e *gfP12) IsZero() bool {
e.Minimal()
return e.x.IsZero() && e.y.IsZero()
}
func (e *gfP12) IsOne() bool {
e.Minimal()
return e.x.IsZero() && e.y.IsOne()
}
func (e *gfP12) Conjugate(a *gfP12) *gfP12 {
e.x.Negative(a.x)
e.y.Set(a.y)
return a
}
func (e *gfP12) Negative(a *gfP12) *gfP12 {
e.x.Negative(a.x)
e.y.Negative(a.y)
return e
}
// Frobenius computes (xω+y)^p = x^p ω·ξ^((p-1)/6) + y^p
func (e *gfP12) Frobenius(a *gfP12, pool *bnPool) *gfP12 {
e.x.Frobenius(a.x, pool)
e.y.Frobenius(a.y, pool)
e.x.MulScalar(e.x, xiToPMinus1Over6, pool)
return e
}
// FrobeniusP2 computes (xω+y)^p² = x^p² ω·ξ^((p²-1)/6) + y^p²
func (e *gfP12) FrobeniusP2(a *gfP12, pool *bnPool) *gfP12 {
e.x.FrobeniusP2(a.x)
e.x.MulGFP(e.x, xiToPSquaredMinus1Over6)
e.y.FrobeniusP2(a.y)
return e
}
func (e *gfP12) Add(a, b *gfP12) *gfP12 {
e.x.Add(a.x, b.x)
e.y.Add(a.y, b.y)
return e
}
func (e *gfP12) Sub(a, b *gfP12) *gfP12 {
e.x.Sub(a.x, b.x)
e.y.Sub(a.y, b.y)
return e
}
func (e *gfP12) Mul(a, b *gfP12, pool *bnPool) *gfP12 {
tx := newGFp6(pool)
tx.Mul(a.x, b.y, pool)
t := newGFp6(pool)
t.Mul(b.x, a.y, pool)
tx.Add(tx, t)
ty := newGFp6(pool)
ty.Mul(a.y, b.y, pool)
t.Mul(a.x, b.x, pool)
t.MulTau(t, pool)
e.y.Add(ty, t)
e.x.Set(tx)
tx.Put(pool)
ty.Put(pool)
t.Put(pool)
return e
}
func (e *gfP12) MulScalar(a *gfP12, b *gfP6, pool *bnPool) *gfP12 {
e.x.Mul(e.x, b, pool)
e.y.Mul(e.y, b, pool)
return e
}
func (c *gfP12) Exp(a *gfP12, power *big.Int, pool *bnPool) *gfP12 {
sum := newGFp12(pool)
sum.SetOne()
t := newGFp12(pool)
for i := power.BitLen() - 1; i >= 0; i-- {
t.Square(sum, pool)
if power.Bit(i) != 0 {
sum.Mul(t, a, pool)
} else {
sum.Set(t)
}
}
c.Set(sum)
sum.Put(pool)
t.Put(pool)
return c
}
func (e *gfP12) Square(a *gfP12, pool *bnPool) *gfP12 {
// Complex squaring algorithm
v0 := newGFp6(pool)
v0.Mul(a.x, a.y, pool)
t := newGFp6(pool)
t.MulTau(a.x, pool)
t.Add(a.y, t)
ty := newGFp6(pool)
ty.Add(a.x, a.y)
ty.Mul(ty, t, pool)
ty.Sub(ty, v0)
t.MulTau(v0, pool)
ty.Sub(ty, t)
e.y.Set(ty)
e.x.Double(v0)
v0.Put(pool)
t.Put(pool)
ty.Put(pool)
return e
}
func (e *gfP12) Invert(a *gfP12, pool *bnPool) *gfP12 {
// See "Implementing cryptographic pairings", M. Scott, section 3.2.
// ftp://136.206.11.249/pub/crypto/pairings.pdf
t1 := newGFp6(pool)
t2 := newGFp6(pool)
t1.Square(a.x, pool)
t2.Square(a.y, pool)
t1.MulTau(t1, pool)
t1.Sub(t2, t1)
t2.Invert(t1, pool)
e.x.Negative(a.x)
e.y.Set(a.y)
e.MulScalar(e, t2, pool)
t1.Put(pool)
t2.Put(pool)
return e
}

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vendor/golang.org/x/crypto/bn256/gfp2.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bn256
// For details of the algorithms used, see "Multiplication and Squaring on
// Pairing-Friendly Fields, Devegili et al.
// http://eprint.iacr.org/2006/471.pdf.
import (
"math/big"
)
// gfP2 implements a field of size p² as a quadratic extension of the base
// field where i²=-1.
type gfP2 struct {
x, y *big.Int // value is xi+y.
}
func newGFp2(pool *bnPool) *gfP2 {
return &gfP2{pool.Get(), pool.Get()}
}
func (e *gfP2) String() string {
x := new(big.Int).Mod(e.x, p)
y := new(big.Int).Mod(e.y, p)
return "(" + x.String() + "," + y.String() + ")"
}
func (e *gfP2) Put(pool *bnPool) {
pool.Put(e.x)
pool.Put(e.y)
}
func (e *gfP2) Set(a *gfP2) *gfP2 {
e.x.Set(a.x)
e.y.Set(a.y)
return e
}
func (e *gfP2) SetZero() *gfP2 {
e.x.SetInt64(0)
e.y.SetInt64(0)
return e
}
func (e *gfP2) SetOne() *gfP2 {
e.x.SetInt64(0)
e.y.SetInt64(1)
return e
}
func (e *gfP2) Minimal() {
if e.x.Sign() < 0 || e.x.Cmp(p) >= 0 {
e.x.Mod(e.x, p)
}
if e.y.Sign() < 0 || e.y.Cmp(p) >= 0 {
e.y.Mod(e.y, p)
}
}
func (e *gfP2) IsZero() bool {
return e.x.Sign() == 0 && e.y.Sign() == 0
}
func (e *gfP2) IsOne() bool {
if e.x.Sign() != 0 {
return false
}
words := e.y.Bits()
return len(words) == 1 && words[0] == 1
}
func (e *gfP2) Conjugate(a *gfP2) *gfP2 {
e.y.Set(a.y)
e.x.Neg(a.x)
return e
}
func (e *gfP2) Negative(a *gfP2) *gfP2 {
e.x.Neg(a.x)
e.y.Neg(a.y)
return e
}
func (e *gfP2) Add(a, b *gfP2) *gfP2 {
e.x.Add(a.x, b.x)
e.y.Add(a.y, b.y)
return e
}
func (e *gfP2) Sub(a, b *gfP2) *gfP2 {
e.x.Sub(a.x, b.x)
e.y.Sub(a.y, b.y)
return e
}
func (e *gfP2) Double(a *gfP2) *gfP2 {
e.x.Lsh(a.x, 1)
e.y.Lsh(a.y, 1)
return e
}
func (c *gfP2) Exp(a *gfP2, power *big.Int, pool *bnPool) *gfP2 {
sum := newGFp2(pool)
sum.SetOne()
t := newGFp2(pool)
for i := power.BitLen() - 1; i >= 0; i-- {
t.Square(sum, pool)
if power.Bit(i) != 0 {
sum.Mul(t, a, pool)
} else {
sum.Set(t)
}
}
c.Set(sum)
sum.Put(pool)
t.Put(pool)
return c
}
// See "Multiplication and Squaring in Pairing-Friendly Fields",
// http://eprint.iacr.org/2006/471.pdf
func (e *gfP2) Mul(a, b *gfP2, pool *bnPool) *gfP2 {
tx := pool.Get().Mul(a.x, b.y)
t := pool.Get().Mul(b.x, a.y)
tx.Add(tx, t)
tx.Mod(tx, p)
ty := pool.Get().Mul(a.y, b.y)
t.Mul(a.x, b.x)
ty.Sub(ty, t)
e.y.Mod(ty, p)
e.x.Set(tx)
pool.Put(tx)
pool.Put(ty)
pool.Put(t)
return e
}
func (e *gfP2) MulScalar(a *gfP2, b *big.Int) *gfP2 {
e.x.Mul(a.x, b)
e.y.Mul(a.y, b)
return e
}
// MulXi sets e=ξa where ξ=i+3 and then returns e.
func (e *gfP2) MulXi(a *gfP2, pool *bnPool) *gfP2 {
// (xi+y)(i+3) = (3x+y)i+(3y-x)
tx := pool.Get().Lsh(a.x, 1)
tx.Add(tx, a.x)
tx.Add(tx, a.y)
ty := pool.Get().Lsh(a.y, 1)
ty.Add(ty, a.y)
ty.Sub(ty, a.x)
e.x.Set(tx)
e.y.Set(ty)
pool.Put(tx)
pool.Put(ty)
return e
}
func (e *gfP2) Square(a *gfP2, pool *bnPool) *gfP2 {
// Complex squaring algorithm:
// (xi+b)² = (x+y)(y-x) + 2*i*x*y
t1 := pool.Get().Sub(a.y, a.x)
t2 := pool.Get().Add(a.x, a.y)
ty := pool.Get().Mul(t1, t2)
ty.Mod(ty, p)
t1.Mul(a.x, a.y)
t1.Lsh(t1, 1)
e.x.Mod(t1, p)
e.y.Set(ty)
pool.Put(t1)
pool.Put(t2)
pool.Put(ty)
return e
}
func (e *gfP2) Invert(a *gfP2, pool *bnPool) *gfP2 {
// See "Implementing cryptographic pairings", M. Scott, section 3.2.
// ftp://136.206.11.249/pub/crypto/pairings.pdf
t := pool.Get()
t.Mul(a.y, a.y)
t2 := pool.Get()
t2.Mul(a.x, a.x)
t.Add(t, t2)
inv := pool.Get()
inv.ModInverse(t, p)
e.x.Neg(a.x)
e.x.Mul(e.x, inv)
e.x.Mod(e.x, p)
e.y.Mul(a.y, inv)
e.y.Mod(e.y, p)
pool.Put(t)
pool.Put(t2)
pool.Put(inv)
return e
}

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vendor/golang.org/x/crypto/bn256/gfp6.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bn256
// For details of the algorithms used, see "Multiplication and Squaring on
// Pairing-Friendly Fields, Devegili et al.
// http://eprint.iacr.org/2006/471.pdf.
import (
"math/big"
)
// gfP6 implements the field of size p⁶ as a cubic extension of gfP2 where τ³=ξ
// and ξ=i+3.
type gfP6 struct {
x, y, z *gfP2 // value is xτ² + yτ + z
}
func newGFp6(pool *bnPool) *gfP6 {
return &gfP6{newGFp2(pool), newGFp2(pool), newGFp2(pool)}
}
func (e *gfP6) String() string {
return "(" + e.x.String() + "," + e.y.String() + "," + e.z.String() + ")"
}
func (e *gfP6) Put(pool *bnPool) {
e.x.Put(pool)
e.y.Put(pool)
e.z.Put(pool)
}
func (e *gfP6) Set(a *gfP6) *gfP6 {
e.x.Set(a.x)
e.y.Set(a.y)
e.z.Set(a.z)
return e
}
func (e *gfP6) SetZero() *gfP6 {
e.x.SetZero()
e.y.SetZero()
e.z.SetZero()
return e
}
func (e *gfP6) SetOne() *gfP6 {
e.x.SetZero()
e.y.SetZero()
e.z.SetOne()
return e
}
func (e *gfP6) Minimal() {
e.x.Minimal()
e.y.Minimal()
e.z.Minimal()
}
func (e *gfP6) IsZero() bool {
return e.x.IsZero() && e.y.IsZero() && e.z.IsZero()
}
func (e *gfP6) IsOne() bool {
return e.x.IsZero() && e.y.IsZero() && e.z.IsOne()
}
func (e *gfP6) Negative(a *gfP6) *gfP6 {
e.x.Negative(a.x)
e.y.Negative(a.y)
e.z.Negative(a.z)
return e
}
func (e *gfP6) Frobenius(a *gfP6, pool *bnPool) *gfP6 {
e.x.Conjugate(a.x)
e.y.Conjugate(a.y)
e.z.Conjugate(a.z)
e.x.Mul(e.x, xiTo2PMinus2Over3, pool)
e.y.Mul(e.y, xiToPMinus1Over3, pool)
return e
}
// FrobeniusP2 computes (xτ²+yτ+z)^(p²) = xτ^(2p²) + yτ^(p²) + z
func (e *gfP6) FrobeniusP2(a *gfP6) *gfP6 {
// τ^(2p²) = τ²τ^(2p²-2) = τ²ξ^((2p²-2)/3)
e.x.MulScalar(a.x, xiTo2PSquaredMinus2Over3)
// τ^(p²) = ττ^(p²-1) = τξ^((p²-1)/3)
e.y.MulScalar(a.y, xiToPSquaredMinus1Over3)
e.z.Set(a.z)
return e
}
func (e *gfP6) Add(a, b *gfP6) *gfP6 {
e.x.Add(a.x, b.x)
e.y.Add(a.y, b.y)
e.z.Add(a.z, b.z)
return e
}
func (e *gfP6) Sub(a, b *gfP6) *gfP6 {
e.x.Sub(a.x, b.x)
e.y.Sub(a.y, b.y)
e.z.Sub(a.z, b.z)
return e
}
func (e *gfP6) Double(a *gfP6) *gfP6 {
e.x.Double(a.x)
e.y.Double(a.y)
e.z.Double(a.z)
return e
}
func (e *gfP6) Mul(a, b *gfP6, pool *bnPool) *gfP6 {
// "Multiplication and Squaring on Pairing-Friendly Fields"
// Section 4, Karatsuba method.
// http://eprint.iacr.org/2006/471.pdf
v0 := newGFp2(pool)
v0.Mul(a.z, b.z, pool)
v1 := newGFp2(pool)
v1.Mul(a.y, b.y, pool)
v2 := newGFp2(pool)
v2.Mul(a.x, b.x, pool)
t0 := newGFp2(pool)
t0.Add(a.x, a.y)
t1 := newGFp2(pool)
t1.Add(b.x, b.y)
tz := newGFp2(pool)
tz.Mul(t0, t1, pool)
tz.Sub(tz, v1)
tz.Sub(tz, v2)
tz.MulXi(tz, pool)
tz.Add(tz, v0)
t0.Add(a.y, a.z)
t1.Add(b.y, b.z)
ty := newGFp2(pool)
ty.Mul(t0, t1, pool)
ty.Sub(ty, v0)
ty.Sub(ty, v1)
t0.MulXi(v2, pool)
ty.Add(ty, t0)
t0.Add(a.x, a.z)
t1.Add(b.x, b.z)
tx := newGFp2(pool)
tx.Mul(t0, t1, pool)
tx.Sub(tx, v0)
tx.Add(tx, v1)
tx.Sub(tx, v2)
e.x.Set(tx)
e.y.Set(ty)
e.z.Set(tz)
t0.Put(pool)
t1.Put(pool)
tx.Put(pool)
ty.Put(pool)
tz.Put(pool)
v0.Put(pool)
v1.Put(pool)
v2.Put(pool)
return e
}
func (e *gfP6) MulScalar(a *gfP6, b *gfP2, pool *bnPool) *gfP6 {
e.x.Mul(a.x, b, pool)
e.y.Mul(a.y, b, pool)
e.z.Mul(a.z, b, pool)
return e
}
func (e *gfP6) MulGFP(a *gfP6, b *big.Int) *gfP6 {
e.x.MulScalar(a.x, b)
e.y.MulScalar(a.y, b)
e.z.MulScalar(a.z, b)
return e
}
// MulTau computes τ·(aτ²+bτ+c) = bτ²+cτ+aξ
func (e *gfP6) MulTau(a *gfP6, pool *bnPool) {
tz := newGFp2(pool)
tz.MulXi(a.x, pool)
ty := newGFp2(pool)
ty.Set(a.y)
e.y.Set(a.z)
e.x.Set(ty)
e.z.Set(tz)
tz.Put(pool)
ty.Put(pool)
}
func (e *gfP6) Square(a *gfP6, pool *bnPool) *gfP6 {
v0 := newGFp2(pool).Square(a.z, pool)
v1 := newGFp2(pool).Square(a.y, pool)
v2 := newGFp2(pool).Square(a.x, pool)
c0 := newGFp2(pool).Add(a.x, a.y)
c0.Square(c0, pool)
c0.Sub(c0, v1)
c0.Sub(c0, v2)
c0.MulXi(c0, pool)
c0.Add(c0, v0)
c1 := newGFp2(pool).Add(a.y, a.z)
c1.Square(c1, pool)
c1.Sub(c1, v0)
c1.Sub(c1, v1)
xiV2 := newGFp2(pool).MulXi(v2, pool)
c1.Add(c1, xiV2)
c2 := newGFp2(pool).Add(a.x, a.z)
c2.Square(c2, pool)
c2.Sub(c2, v0)
c2.Add(c2, v1)
c2.Sub(c2, v2)
e.x.Set(c2)
e.y.Set(c1)
e.z.Set(c0)
v0.Put(pool)
v1.Put(pool)
v2.Put(pool)
c0.Put(pool)
c1.Put(pool)
c2.Put(pool)
xiV2.Put(pool)
return e
}
func (e *gfP6) Invert(a *gfP6, pool *bnPool) *gfP6 {
// See "Implementing cryptographic pairings", M. Scott, section 3.2.
// ftp://136.206.11.249/pub/crypto/pairings.pdf
// Here we can give a short explanation of how it works: let j be a cubic root of
// unity in GF(p²) so that 1+j+j²=0.
// Then (xτ² + yτ + z)(xj²τ² + yjτ + z)(xjτ² + yj²τ + z)
// = (xτ² + yτ + z)(Cτ²+Bτ+A)
// = (x³ξ²+y³ξ+z³-3ξxyz) = F is an element of the base field (the norm).
//
// On the other hand (xj²τ² + yjτ + z)(xjτ² + yj²τ + z)
// = τ²(y²-ξxz) + τ(ξx²-yz) + (z²-ξxy)
//
// So that's why A = (z²-ξxy), B = (ξx²-yz), C = (y²-ξxz)
t1 := newGFp2(pool)
A := newGFp2(pool)
A.Square(a.z, pool)
t1.Mul(a.x, a.y, pool)
t1.MulXi(t1, pool)
A.Sub(A, t1)
B := newGFp2(pool)
B.Square(a.x, pool)
B.MulXi(B, pool)
t1.Mul(a.y, a.z, pool)
B.Sub(B, t1)
C := newGFp2(pool)
C.Square(a.y, pool)
t1.Mul(a.x, a.z, pool)
C.Sub(C, t1)
F := newGFp2(pool)
F.Mul(C, a.y, pool)
F.MulXi(F, pool)
t1.Mul(A, a.z, pool)
F.Add(F, t1)
t1.Mul(B, a.x, pool)
t1.MulXi(t1, pool)
F.Add(F, t1)
F.Invert(F, pool)
e.x.Mul(C, F, pool)
e.y.Mul(B, F, pool)
e.z.Mul(A, F, pool)
t1.Put(pool)
A.Put(pool)
B.Put(pool)
C.Put(pool)
F.Put(pool)
return e
}

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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bn256
func lineFunctionAdd(r, p *twistPoint, q *curvePoint, r2 *gfP2, pool *bnPool) (a, b, c *gfP2, rOut *twistPoint) {
// See the mixed addition algorithm from "Faster Computation of the
// Tate Pairing", http://arxiv.org/pdf/0904.0854v3.pdf
B := newGFp2(pool).Mul(p.x, r.t, pool)
D := newGFp2(pool).Add(p.y, r.z)
D.Square(D, pool)
D.Sub(D, r2)
D.Sub(D, r.t)
D.Mul(D, r.t, pool)
H := newGFp2(pool).Sub(B, r.x)
I := newGFp2(pool).Square(H, pool)
E := newGFp2(pool).Add(I, I)
E.Add(E, E)
J := newGFp2(pool).Mul(H, E, pool)
L1 := newGFp2(pool).Sub(D, r.y)
L1.Sub(L1, r.y)
V := newGFp2(pool).Mul(r.x, E, pool)
rOut = newTwistPoint(pool)
rOut.x.Square(L1, pool)
rOut.x.Sub(rOut.x, J)
rOut.x.Sub(rOut.x, V)
rOut.x.Sub(rOut.x, V)
rOut.z.Add(r.z, H)
rOut.z.Square(rOut.z, pool)
rOut.z.Sub(rOut.z, r.t)
rOut.z.Sub(rOut.z, I)
t := newGFp2(pool).Sub(V, rOut.x)
t.Mul(t, L1, pool)
t2 := newGFp2(pool).Mul(r.y, J, pool)
t2.Add(t2, t2)
rOut.y.Sub(t, t2)
rOut.t.Square(rOut.z, pool)
t.Add(p.y, rOut.z)
t.Square(t, pool)
t.Sub(t, r2)
t.Sub(t, rOut.t)
t2.Mul(L1, p.x, pool)
t2.Add(t2, t2)
a = newGFp2(pool)
a.Sub(t2, t)
c = newGFp2(pool)
c.MulScalar(rOut.z, q.y)
c.Add(c, c)
b = newGFp2(pool)
b.SetZero()
b.Sub(b, L1)
b.MulScalar(b, q.x)
b.Add(b, b)
B.Put(pool)
D.Put(pool)
H.Put(pool)
I.Put(pool)
E.Put(pool)
J.Put(pool)
L1.Put(pool)
V.Put(pool)
t.Put(pool)
t2.Put(pool)
return
}
func lineFunctionDouble(r *twistPoint, q *curvePoint, pool *bnPool) (a, b, c *gfP2, rOut *twistPoint) {
// See the doubling algorithm for a=0 from "Faster Computation of the
// Tate Pairing", http://arxiv.org/pdf/0904.0854v3.pdf
A := newGFp2(pool).Square(r.x, pool)
B := newGFp2(pool).Square(r.y, pool)
C := newGFp2(pool).Square(B, pool)
D := newGFp2(pool).Add(r.x, B)
D.Square(D, pool)
D.Sub(D, A)
D.Sub(D, C)
D.Add(D, D)
E := newGFp2(pool).Add(A, A)
E.Add(E, A)
G := newGFp2(pool).Square(E, pool)
rOut = newTwistPoint(pool)
rOut.x.Sub(G, D)
rOut.x.Sub(rOut.x, D)
rOut.z.Add(r.y, r.z)
rOut.z.Square(rOut.z, pool)
rOut.z.Sub(rOut.z, B)
rOut.z.Sub(rOut.z, r.t)
rOut.y.Sub(D, rOut.x)
rOut.y.Mul(rOut.y, E, pool)
t := newGFp2(pool).Add(C, C)
t.Add(t, t)
t.Add(t, t)
rOut.y.Sub(rOut.y, t)
rOut.t.Square(rOut.z, pool)
t.Mul(E, r.t, pool)
t.Add(t, t)
b = newGFp2(pool)
b.SetZero()
b.Sub(b, t)
b.MulScalar(b, q.x)
a = newGFp2(pool)
a.Add(r.x, E)
a.Square(a, pool)
a.Sub(a, A)
a.Sub(a, G)
t.Add(B, B)
t.Add(t, t)
a.Sub(a, t)
c = newGFp2(pool)
c.Mul(rOut.z, r.t, pool)
c.Add(c, c)
c.MulScalar(c, q.y)
A.Put(pool)
B.Put(pool)
C.Put(pool)
D.Put(pool)
E.Put(pool)
G.Put(pool)
t.Put(pool)
return
}
func mulLine(ret *gfP12, a, b, c *gfP2, pool *bnPool) {
a2 := newGFp6(pool)
a2.x.SetZero()
a2.y.Set(a)
a2.z.Set(b)
a2.Mul(a2, ret.x, pool)
t3 := newGFp6(pool).MulScalar(ret.y, c, pool)
t := newGFp2(pool)
t.Add(b, c)
t2 := newGFp6(pool)
t2.x.SetZero()
t2.y.Set(a)
t2.z.Set(t)
ret.x.Add(ret.x, ret.y)
ret.y.Set(t3)
ret.x.Mul(ret.x, t2, pool)
ret.x.Sub(ret.x, a2)
ret.x.Sub(ret.x, ret.y)
a2.MulTau(a2, pool)
ret.y.Add(ret.y, a2)
a2.Put(pool)
t3.Put(pool)
t2.Put(pool)
t.Put(pool)
}
// sixuPlus2NAF is 6u+2 in non-adjacent form.
var sixuPlus2NAF = []int8{0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, -1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, -1, 0, 1, 0, 0, 0, 1, 0, -1, 0, 0, 0, -1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, -1, 0, 0, 0, 0, 1, 0, 0, 0, 1}
// miller implements the Miller loop for calculating the Optimal Ate pairing.
// See algorithm 1 from http://cryptojedi.org/papers/dclxvi-20100714.pdf
func miller(q *twistPoint, p *curvePoint, pool *bnPool) *gfP12 {
ret := newGFp12(pool)
ret.SetOne()
aAffine := newTwistPoint(pool)
aAffine.Set(q)
aAffine.MakeAffine(pool)
bAffine := newCurvePoint(pool)
bAffine.Set(p)
bAffine.MakeAffine(pool)
minusA := newTwistPoint(pool)
minusA.Negative(aAffine, pool)
r := newTwistPoint(pool)
r.Set(aAffine)
r2 := newGFp2(pool)
r2.Square(aAffine.y, pool)
for i := len(sixuPlus2NAF) - 1; i > 0; i-- {
a, b, c, newR := lineFunctionDouble(r, bAffine, pool)
if i != len(sixuPlus2NAF)-1 {
ret.Square(ret, pool)
}
mulLine(ret, a, b, c, pool)
a.Put(pool)
b.Put(pool)
c.Put(pool)
r.Put(pool)
r = newR
switch sixuPlus2NAF[i-1] {
case 1:
a, b, c, newR = lineFunctionAdd(r, aAffine, bAffine, r2, pool)
case -1:
a, b, c, newR = lineFunctionAdd(r, minusA, bAffine, r2, pool)
default:
continue
}
mulLine(ret, a, b, c, pool)
a.Put(pool)
b.Put(pool)
c.Put(pool)
r.Put(pool)
r = newR
}
// In order to calculate Q1 we have to convert q from the sextic twist
// to the full GF(p^12) group, apply the Frobenius there, and convert
// back.
//
// The twist isomorphism is (x', y') -> (xω², yω³). If we consider just
// x for a moment, then after applying the Frobenius, we have x̄ω^(2p)
// where x̄ is the conjugate of x. If we are going to apply the inverse
// isomorphism we need a value with a single coefficient of ω² so we
// rewrite this as x̄ω^(2p-2)ω². ξ⁶ = ω and, due to the construction of
// p, 2p-2 is a multiple of six. Therefore we can rewrite as
// x̄ξ^((p-1)/3)ω² and applying the inverse isomorphism eliminates the
// ω².
//
// A similar argument can be made for the y value.
q1 := newTwistPoint(pool)
q1.x.Conjugate(aAffine.x)
q1.x.Mul(q1.x, xiToPMinus1Over3, pool)
q1.y.Conjugate(aAffine.y)
q1.y.Mul(q1.y, xiToPMinus1Over2, pool)
q1.z.SetOne()
q1.t.SetOne()
// For Q2 we are applying the p² Frobenius. The two conjugations cancel
// out and we are left only with the factors from the isomorphism. In
// the case of x, we end up with a pure number which is why
// xiToPSquaredMinus1Over3 is ∈ GF(p). With y we get a factor of -1. We
// ignore this to end up with -Q2.
minusQ2 := newTwistPoint(pool)
minusQ2.x.MulScalar(aAffine.x, xiToPSquaredMinus1Over3)
minusQ2.y.Set(aAffine.y)
minusQ2.z.SetOne()
minusQ2.t.SetOne()
r2.Square(q1.y, pool)
a, b, c, newR := lineFunctionAdd(r, q1, bAffine, r2, pool)
mulLine(ret, a, b, c, pool)
a.Put(pool)
b.Put(pool)
c.Put(pool)
r.Put(pool)
r = newR
r2.Square(minusQ2.y, pool)
a, b, c, newR = lineFunctionAdd(r, minusQ2, bAffine, r2, pool)
mulLine(ret, a, b, c, pool)
a.Put(pool)
b.Put(pool)
c.Put(pool)
r.Put(pool)
r = newR
aAffine.Put(pool)
bAffine.Put(pool)
minusA.Put(pool)
r.Put(pool)
r2.Put(pool)
return ret
}
// finalExponentiation computes the (p¹²-1)/Order-th power of an element of
// GF(p¹²) to obtain an element of GT (steps 13-15 of algorithm 1 from
// http://cryptojedi.org/papers/dclxvi-20100714.pdf)
func finalExponentiation(in *gfP12, pool *bnPool) *gfP12 {
t1 := newGFp12(pool)
// This is the p^6-Frobenius
t1.x.Negative(in.x)
t1.y.Set(in.y)
inv := newGFp12(pool)
inv.Invert(in, pool)
t1.Mul(t1, inv, pool)
t2 := newGFp12(pool).FrobeniusP2(t1, pool)
t1.Mul(t1, t2, pool)
fp := newGFp12(pool).Frobenius(t1, pool)
fp2 := newGFp12(pool).FrobeniusP2(t1, pool)
fp3 := newGFp12(pool).Frobenius(fp2, pool)
fu, fu2, fu3 := newGFp12(pool), newGFp12(pool), newGFp12(pool)
fu.Exp(t1, u, pool)
fu2.Exp(fu, u, pool)
fu3.Exp(fu2, u, pool)
y3 := newGFp12(pool).Frobenius(fu, pool)
fu2p := newGFp12(pool).Frobenius(fu2, pool)
fu3p := newGFp12(pool).Frobenius(fu3, pool)
y2 := newGFp12(pool).FrobeniusP2(fu2, pool)
y0 := newGFp12(pool)
y0.Mul(fp, fp2, pool)
y0.Mul(y0, fp3, pool)
y1, y4, y5 := newGFp12(pool), newGFp12(pool), newGFp12(pool)
y1.Conjugate(t1)
y5.Conjugate(fu2)
y3.Conjugate(y3)
y4.Mul(fu, fu2p, pool)
y4.Conjugate(y4)
y6 := newGFp12(pool)
y6.Mul(fu3, fu3p, pool)
y6.Conjugate(y6)
t0 := newGFp12(pool)
t0.Square(y6, pool)
t0.Mul(t0, y4, pool)
t0.Mul(t0, y5, pool)
t1.Mul(y3, y5, pool)
t1.Mul(t1, t0, pool)
t0.Mul(t0, y2, pool)
t1.Square(t1, pool)
t1.Mul(t1, t0, pool)
t1.Square(t1, pool)
t0.Mul(t1, y1, pool)
t1.Mul(t1, y0, pool)
t0.Square(t0, pool)
t0.Mul(t0, t1, pool)
inv.Put(pool)
t1.Put(pool)
t2.Put(pool)
fp.Put(pool)
fp2.Put(pool)
fp3.Put(pool)
fu.Put(pool)
fu2.Put(pool)
fu3.Put(pool)
fu2p.Put(pool)
fu3p.Put(pool)
y0.Put(pool)
y1.Put(pool)
y2.Put(pool)
y3.Put(pool)
y4.Put(pool)
y5.Put(pool)
y6.Put(pool)
return t0
}
func optimalAte(a *twistPoint, b *curvePoint, pool *bnPool) *gfP12 {
e := miller(a, b, pool)
ret := finalExponentiation(e, pool)
e.Put(pool)
if a.IsInfinity() || b.IsInfinity() {
ret.SetOne()
}
return ret
}

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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bn256
import (
"math/big"
)
// twistPoint implements the elliptic curve y²=x³+3/ξ over GF(p²). Points are
// kept in Jacobian form and t=z² when valid. The group G₂ is the set of
// n-torsion points of this curve over GF(p²) (where n = Order)
type twistPoint struct {
x, y, z, t *gfP2
}
var twistB = &gfP2{
bigFromBase10("6500054969564660373279643874235990574282535810762300357187714502686418407178"),
bigFromBase10("45500384786952622612957507119651934019977750675336102500314001518804928850249"),
}
// twistGen is the generator of group G₂.
var twistGen = &twistPoint{
&gfP2{
bigFromBase10("21167961636542580255011770066570541300993051739349375019639421053990175267184"),
bigFromBase10("64746500191241794695844075326670126197795977525365406531717464316923369116492"),
},
&gfP2{
bigFromBase10("20666913350058776956210519119118544732556678129809273996262322366050359951122"),
bigFromBase10("17778617556404439934652658462602675281523610326338642107814333856843981424549"),
},
&gfP2{
bigFromBase10("0"),
bigFromBase10("1"),
},
&gfP2{
bigFromBase10("0"),
bigFromBase10("1"),
},
}
func newTwistPoint(pool *bnPool) *twistPoint {
return &twistPoint{
newGFp2(pool),
newGFp2(pool),
newGFp2(pool),
newGFp2(pool),
}
}
func (c *twistPoint) String() string {
return "(" + c.x.String() + ", " + c.y.String() + ", " + c.z.String() + ")"
}
func (c *twistPoint) Put(pool *bnPool) {
c.x.Put(pool)
c.y.Put(pool)
c.z.Put(pool)
c.t.Put(pool)
}
func (c *twistPoint) Set(a *twistPoint) {
c.x.Set(a.x)
c.y.Set(a.y)
c.z.Set(a.z)
c.t.Set(a.t)
}
// IsOnCurve returns true iff c is on the curve where c must be in affine form.
func (c *twistPoint) IsOnCurve() bool {
pool := new(bnPool)
yy := newGFp2(pool).Square(c.y, pool)
xxx := newGFp2(pool).Square(c.x, pool)
xxx.Mul(xxx, c.x, pool)
yy.Sub(yy, xxx)
yy.Sub(yy, twistB)
yy.Minimal()
return yy.x.Sign() == 0 && yy.y.Sign() == 0
}
func (c *twistPoint) SetInfinity() {
c.z.SetZero()
}
func (c *twistPoint) IsInfinity() bool {
return c.z.IsZero()
}
func (c *twistPoint) Add(a, b *twistPoint, pool *bnPool) {
// For additional comments, see the same function in curve.go.
if a.IsInfinity() {
c.Set(b)
return
}
if b.IsInfinity() {
c.Set(a)
return
}
// See http://hyperelliptic.org/EFD/g1p/auto-code/shortw/jacobian-0/addition/add-2007-bl.op3
z1z1 := newGFp2(pool).Square(a.z, pool)
z2z2 := newGFp2(pool).Square(b.z, pool)
u1 := newGFp2(pool).Mul(a.x, z2z2, pool)
u2 := newGFp2(pool).Mul(b.x, z1z1, pool)
t := newGFp2(pool).Mul(b.z, z2z2, pool)
s1 := newGFp2(pool).Mul(a.y, t, pool)
t.Mul(a.z, z1z1, pool)
s2 := newGFp2(pool).Mul(b.y, t, pool)
h := newGFp2(pool).Sub(u2, u1)
xEqual := h.IsZero()
t.Add(h, h)
i := newGFp2(pool).Square(t, pool)
j := newGFp2(pool).Mul(h, i, pool)
t.Sub(s2, s1)
yEqual := t.IsZero()
if xEqual && yEqual {
c.Double(a, pool)
return
}
r := newGFp2(pool).Add(t, t)
v := newGFp2(pool).Mul(u1, i, pool)
t4 := newGFp2(pool).Square(r, pool)
t.Add(v, v)
t6 := newGFp2(pool).Sub(t4, j)
c.x.Sub(t6, t)
t.Sub(v, c.x) // t7
t4.Mul(s1, j, pool) // t8
t6.Add(t4, t4) // t9
t4.Mul(r, t, pool) // t10
c.y.Sub(t4, t6)
t.Add(a.z, b.z) // t11
t4.Square(t, pool) // t12
t.Sub(t4, z1z1) // t13
t4.Sub(t, z2z2) // t14
c.z.Mul(t4, h, pool)
z1z1.Put(pool)
z2z2.Put(pool)
u1.Put(pool)
u2.Put(pool)
t.Put(pool)
s1.Put(pool)
s2.Put(pool)
h.Put(pool)
i.Put(pool)
j.Put(pool)
r.Put(pool)
v.Put(pool)
t4.Put(pool)
t6.Put(pool)
}
func (c *twistPoint) Double(a *twistPoint, pool *bnPool) {
// See http://hyperelliptic.org/EFD/g1p/auto-code/shortw/jacobian-0/doubling/dbl-2009-l.op3
A := newGFp2(pool).Square(a.x, pool)
B := newGFp2(pool).Square(a.y, pool)
C := newGFp2(pool).Square(B, pool)
t := newGFp2(pool).Add(a.x, B)
t2 := newGFp2(pool).Square(t, pool)
t.Sub(t2, A)
t2.Sub(t, C)
d := newGFp2(pool).Add(t2, t2)
t.Add(A, A)
e := newGFp2(pool).Add(t, A)
f := newGFp2(pool).Square(e, pool)
t.Add(d, d)
c.x.Sub(f, t)
t.Add(C, C)
t2.Add(t, t)
t.Add(t2, t2)
c.y.Sub(d, c.x)
t2.Mul(e, c.y, pool)
c.y.Sub(t2, t)
t.Mul(a.y, a.z, pool)
c.z.Add(t, t)
A.Put(pool)
B.Put(pool)
C.Put(pool)
t.Put(pool)
t2.Put(pool)
d.Put(pool)
e.Put(pool)
f.Put(pool)
}
func (c *twistPoint) Mul(a *twistPoint, scalar *big.Int, pool *bnPool) *twistPoint {
sum := newTwistPoint(pool)
sum.SetInfinity()
t := newTwistPoint(pool)
for i := scalar.BitLen(); i >= 0; i-- {
t.Double(sum, pool)
if scalar.Bit(i) != 0 {
sum.Add(t, a, pool)
} else {
sum.Set(t)
}
}
c.Set(sum)
sum.Put(pool)
t.Put(pool)
return c
}
func (c *twistPoint) MakeAffine(pool *bnPool) *twistPoint {
if c.z.IsOne() {
return c
}
zInv := newGFp2(pool).Invert(c.z, pool)
t := newGFp2(pool).Mul(c.y, zInv, pool)
zInv2 := newGFp2(pool).Square(zInv, pool)
c.y.Mul(t, zInv2, pool)
t.Mul(c.x, zInv2, pool)
c.x.Set(t)
c.z.SetOne()
c.t.SetOne()
zInv.Put(pool)
t.Put(pool)
zInv2.Put(pool)
return c
}
func (c *twistPoint) Negative(a *twistPoint, pool *bnPool) {
c.x.Set(a.x)
c.y.SetZero()
c.y.Sub(c.y, a.y)
c.z.Set(a.z)
c.t.SetZero()
}

526
vendor/golang.org/x/crypto/cast5/cast5.go generated vendored Normal file
View file

@ -0,0 +1,526 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package cast5 implements CAST5, as defined in RFC 2144. CAST5 is a common
// OpenPGP cipher.
package cast5 // import "golang.org/x/crypto/cast5"
import "errors"
const BlockSize = 8
const KeySize = 16
type Cipher struct {
masking [16]uint32
rotate [16]uint8
}
func NewCipher(key []byte) (c *Cipher, err error) {
if len(key) != KeySize {
return nil, errors.New("CAST5: keys must be 16 bytes")
}
c = new(Cipher)
c.keySchedule(key)
return
}
func (c *Cipher) BlockSize() int {
return BlockSize
}
func (c *Cipher) Encrypt(dst, src []byte) {
l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
l, r = r, l^f1(r, c.masking[0], c.rotate[0])
l, r = r, l^f2(r, c.masking[1], c.rotate[1])
l, r = r, l^f3(r, c.masking[2], c.rotate[2])
l, r = r, l^f1(r, c.masking[3], c.rotate[3])
l, r = r, l^f2(r, c.masking[4], c.rotate[4])
l, r = r, l^f3(r, c.masking[5], c.rotate[5])
l, r = r, l^f1(r, c.masking[6], c.rotate[6])
l, r = r, l^f2(r, c.masking[7], c.rotate[7])
l, r = r, l^f3(r, c.masking[8], c.rotate[8])
l, r = r, l^f1(r, c.masking[9], c.rotate[9])
l, r = r, l^f2(r, c.masking[10], c.rotate[10])
l, r = r, l^f3(r, c.masking[11], c.rotate[11])
l, r = r, l^f1(r, c.masking[12], c.rotate[12])
l, r = r, l^f2(r, c.masking[13], c.rotate[13])
l, r = r, l^f3(r, c.masking[14], c.rotate[14])
l, r = r, l^f1(r, c.masking[15], c.rotate[15])
dst[0] = uint8(r >> 24)
dst[1] = uint8(r >> 16)
dst[2] = uint8(r >> 8)
dst[3] = uint8(r)
dst[4] = uint8(l >> 24)
dst[5] = uint8(l >> 16)
dst[6] = uint8(l >> 8)
dst[7] = uint8(l)
}
func (c *Cipher) Decrypt(dst, src []byte) {
l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
l, r = r, l^f1(r, c.masking[15], c.rotate[15])
l, r = r, l^f3(r, c.masking[14], c.rotate[14])
l, r = r, l^f2(r, c.masking[13], c.rotate[13])
l, r = r, l^f1(r, c.masking[12], c.rotate[12])
l, r = r, l^f3(r, c.masking[11], c.rotate[11])
l, r = r, l^f2(r, c.masking[10], c.rotate[10])
l, r = r, l^f1(r, c.masking[9], c.rotate[9])
l, r = r, l^f3(r, c.masking[8], c.rotate[8])
l, r = r, l^f2(r, c.masking[7], c.rotate[7])
l, r = r, l^f1(r, c.masking[6], c.rotate[6])
l, r = r, l^f3(r, c.masking[5], c.rotate[5])
l, r = r, l^f2(r, c.masking[4], c.rotate[4])
l, r = r, l^f1(r, c.masking[3], c.rotate[3])
l, r = r, l^f3(r, c.masking[2], c.rotate[2])
l, r = r, l^f2(r, c.masking[1], c.rotate[1])
l, r = r, l^f1(r, c.masking[0], c.rotate[0])
dst[0] = uint8(r >> 24)
dst[1] = uint8(r >> 16)
dst[2] = uint8(r >> 8)
dst[3] = uint8(r)
dst[4] = uint8(l >> 24)
dst[5] = uint8(l >> 16)
dst[6] = uint8(l >> 8)
dst[7] = uint8(l)
}
type keyScheduleA [4][7]uint8
type keyScheduleB [4][5]uint8
// keyScheduleRound contains the magic values for a round of the key schedule.
// The keyScheduleA deals with the lines like:
// z0z1z2z3 = x0x1x2x3 ^ S5[xD] ^ S6[xF] ^ S7[xC] ^ S8[xE] ^ S7[x8]
// Conceptually, both x and z are in the same array, x first. The first
// element describes which word of this array gets written to and the
// second, which word gets read. So, for the line above, it's "4, 0", because
// it's writing to the first word of z, which, being after x, is word 4, and
// reading from the first word of x: word 0.
//
// Next are the indexes into the S-boxes. Now the array is treated as bytes. So
// "xD" is 0xd. The first byte of z is written as "16 + 0", just to be clear
// that it's z that we're indexing.
//
// keyScheduleB deals with lines like:
// K1 = S5[z8] ^ S6[z9] ^ S7[z7] ^ S8[z6] ^ S5[z2]
// "K1" is ignored because key words are always written in order. So the five
// elements are the S-box indexes. They use the same form as in keyScheduleA,
// above.
type keyScheduleRound struct{}
type keySchedule []keyScheduleRound
var schedule = []struct {
a keyScheduleA
b keyScheduleB
}{
{
keyScheduleA{
{4, 0, 0xd, 0xf, 0xc, 0xe, 0x8},
{5, 2, 16 + 0, 16 + 2, 16 + 1, 16 + 3, 0xa},
{6, 3, 16 + 7, 16 + 6, 16 + 5, 16 + 4, 9},
{7, 1, 16 + 0xa, 16 + 9, 16 + 0xb, 16 + 8, 0xb},
},
keyScheduleB{
{16 + 8, 16 + 9, 16 + 7, 16 + 6, 16 + 2},
{16 + 0xa, 16 + 0xb, 16 + 5, 16 + 4, 16 + 6},
{16 + 0xc, 16 + 0xd, 16 + 3, 16 + 2, 16 + 9},
{16 + 0xe, 16 + 0xf, 16 + 1, 16 + 0, 16 + 0xc},
},
},
{
keyScheduleA{
{0, 6, 16 + 5, 16 + 7, 16 + 4, 16 + 6, 16 + 0},
{1, 4, 0, 2, 1, 3, 16 + 2},
{2, 5, 7, 6, 5, 4, 16 + 1},
{3, 7, 0xa, 9, 0xb, 8, 16 + 3},
},
keyScheduleB{
{3, 2, 0xc, 0xd, 8},
{1, 0, 0xe, 0xf, 0xd},
{7, 6, 8, 9, 3},
{5, 4, 0xa, 0xb, 7},
},
},
{
keyScheduleA{
{4, 0, 0xd, 0xf, 0xc, 0xe, 8},
{5, 2, 16 + 0, 16 + 2, 16 + 1, 16 + 3, 0xa},
{6, 3, 16 + 7, 16 + 6, 16 + 5, 16 + 4, 9},
{7, 1, 16 + 0xa, 16 + 9, 16 + 0xb, 16 + 8, 0xb},
},
keyScheduleB{
{16 + 3, 16 + 2, 16 + 0xc, 16 + 0xd, 16 + 9},
{16 + 1, 16 + 0, 16 + 0xe, 16 + 0xf, 16 + 0xc},
{16 + 7, 16 + 6, 16 + 8, 16 + 9, 16 + 2},
{16 + 5, 16 + 4, 16 + 0xa, 16 + 0xb, 16 + 6},
},
},
{
keyScheduleA{
{0, 6, 16 + 5, 16 + 7, 16 + 4, 16 + 6, 16 + 0},
{1, 4, 0, 2, 1, 3, 16 + 2},
{2, 5, 7, 6, 5, 4, 16 + 1},
{3, 7, 0xa, 9, 0xb, 8, 16 + 3},
},
keyScheduleB{
{8, 9, 7, 6, 3},
{0xa, 0xb, 5, 4, 7},
{0xc, 0xd, 3, 2, 8},
{0xe, 0xf, 1, 0, 0xd},
},
},
}
func (c *Cipher) keySchedule(in []byte) {
var t [8]uint32
var k [32]uint32
for i := 0; i < 4; i++ {
j := i * 4
t[i] = uint32(in[j])<<24 | uint32(in[j+1])<<16 | uint32(in[j+2])<<8 | uint32(in[j+3])
}
x := []byte{6, 7, 4, 5}
ki := 0
for half := 0; half < 2; half++ {
for _, round := range schedule {
for j := 0; j < 4; j++ {
var a [7]uint8
copy(a[:], round.a[j][:])
w := t[a[1]]
w ^= sBox[4][(t[a[2]>>2]>>(24-8*(a[2]&3)))&0xff]
w ^= sBox[5][(t[a[3]>>2]>>(24-8*(a[3]&3)))&0xff]
w ^= sBox[6][(t[a[4]>>2]>>(24-8*(a[4]&3)))&0xff]
w ^= sBox[7][(t[a[5]>>2]>>(24-8*(a[5]&3)))&0xff]
w ^= sBox[x[j]][(t[a[6]>>2]>>(24-8*(a[6]&3)))&0xff]
t[a[0]] = w
}
for j := 0; j < 4; j++ {
var b [5]uint8
copy(b[:], round.b[j][:])
w := sBox[4][(t[b[0]>>2]>>(24-8*(b[0]&3)))&0xff]
w ^= sBox[5][(t[b[1]>>2]>>(24-8*(b[1]&3)))&0xff]
w ^= sBox[6][(t[b[2]>>2]>>(24-8*(b[2]&3)))&0xff]
w ^= sBox[7][(t[b[3]>>2]>>(24-8*(b[3]&3)))&0xff]
w ^= sBox[4+j][(t[b[4]>>2]>>(24-8*(b[4]&3)))&0xff]
k[ki] = w
ki++
}
}
}
for i := 0; i < 16; i++ {
c.masking[i] = k[i]
c.rotate[i] = uint8(k[16+i] & 0x1f)
}
}
// These are the three 'f' functions. See RFC 2144, section 2.2.
func f1(d, m uint32, r uint8) uint32 {
t := m + d
I := (t << r) | (t >> (32 - r))
return ((sBox[0][I>>24] ^ sBox[1][(I>>16)&0xff]) - sBox[2][(I>>8)&0xff]) + sBox[3][I&0xff]
}
func f2(d, m uint32, r uint8) uint32 {
t := m ^ d
I := (t << r) | (t >> (32 - r))
return ((sBox[0][I>>24] - sBox[1][(I>>16)&0xff]) + sBox[2][(I>>8)&0xff]) ^ sBox[3][I&0xff]
}
func f3(d, m uint32, r uint8) uint32 {
t := m - d
I := (t << r) | (t >> (32 - r))
return ((sBox[0][I>>24] + sBox[1][(I>>16)&0xff]) ^ sBox[2][(I>>8)&0xff]) - sBox[3][I&0xff]
}
var sBox = [8][256]uint32{
{
0x30fb40d4, 0x9fa0ff0b, 0x6beccd2f, 0x3f258c7a, 0x1e213f2f, 0x9c004dd3, 0x6003e540, 0xcf9fc949,
0xbfd4af27, 0x88bbbdb5, 0xe2034090, 0x98d09675, 0x6e63a0e0, 0x15c361d2, 0xc2e7661d, 0x22d4ff8e,
0x28683b6f, 0xc07fd059, 0xff2379c8, 0x775f50e2, 0x43c340d3, 0xdf2f8656, 0x887ca41a, 0xa2d2bd2d,
0xa1c9e0d6, 0x346c4819, 0x61b76d87, 0x22540f2f, 0x2abe32e1, 0xaa54166b, 0x22568e3a, 0xa2d341d0,
0x66db40c8, 0xa784392f, 0x004dff2f, 0x2db9d2de, 0x97943fac, 0x4a97c1d8, 0x527644b7, 0xb5f437a7,
0xb82cbaef, 0xd751d159, 0x6ff7f0ed, 0x5a097a1f, 0x827b68d0, 0x90ecf52e, 0x22b0c054, 0xbc8e5935,
0x4b6d2f7f, 0x50bb64a2, 0xd2664910, 0xbee5812d, 0xb7332290, 0xe93b159f, 0xb48ee411, 0x4bff345d,
0xfd45c240, 0xad31973f, 0xc4f6d02e, 0x55fc8165, 0xd5b1caad, 0xa1ac2dae, 0xa2d4b76d, 0xc19b0c50,
0x882240f2, 0x0c6e4f38, 0xa4e4bfd7, 0x4f5ba272, 0x564c1d2f, 0xc59c5319, 0xb949e354, 0xb04669fe,
0xb1b6ab8a, 0xc71358dd, 0x6385c545, 0x110f935d, 0x57538ad5, 0x6a390493, 0xe63d37e0, 0x2a54f6b3,
0x3a787d5f, 0x6276a0b5, 0x19a6fcdf, 0x7a42206a, 0x29f9d4d5, 0xf61b1891, 0xbb72275e, 0xaa508167,
0x38901091, 0xc6b505eb, 0x84c7cb8c, 0x2ad75a0f, 0x874a1427, 0xa2d1936b, 0x2ad286af, 0xaa56d291,
0xd7894360, 0x425c750d, 0x93b39e26, 0x187184c9, 0x6c00b32d, 0x73e2bb14, 0xa0bebc3c, 0x54623779,
0x64459eab, 0x3f328b82, 0x7718cf82, 0x59a2cea6, 0x04ee002e, 0x89fe78e6, 0x3fab0950, 0x325ff6c2,
0x81383f05, 0x6963c5c8, 0x76cb5ad6, 0xd49974c9, 0xca180dcf, 0x380782d5, 0xc7fa5cf6, 0x8ac31511,
0x35e79e13, 0x47da91d0, 0xf40f9086, 0xa7e2419e, 0x31366241, 0x051ef495, 0xaa573b04, 0x4a805d8d,
0x548300d0, 0x00322a3c, 0xbf64cddf, 0xba57a68e, 0x75c6372b, 0x50afd341, 0xa7c13275, 0x915a0bf5,
0x6b54bfab, 0x2b0b1426, 0xab4cc9d7, 0x449ccd82, 0xf7fbf265, 0xab85c5f3, 0x1b55db94, 0xaad4e324,
0xcfa4bd3f, 0x2deaa3e2, 0x9e204d02, 0xc8bd25ac, 0xeadf55b3, 0xd5bd9e98, 0xe31231b2, 0x2ad5ad6c,
0x954329de, 0xadbe4528, 0xd8710f69, 0xaa51c90f, 0xaa786bf6, 0x22513f1e, 0xaa51a79b, 0x2ad344cc,
0x7b5a41f0, 0xd37cfbad, 0x1b069505, 0x41ece491, 0xb4c332e6, 0x032268d4, 0xc9600acc, 0xce387e6d,
0xbf6bb16c, 0x6a70fb78, 0x0d03d9c9, 0xd4df39de, 0xe01063da, 0x4736f464, 0x5ad328d8, 0xb347cc96,
0x75bb0fc3, 0x98511bfb, 0x4ffbcc35, 0xb58bcf6a, 0xe11f0abc, 0xbfc5fe4a, 0xa70aec10, 0xac39570a,
0x3f04442f, 0x6188b153, 0xe0397a2e, 0x5727cb79, 0x9ceb418f, 0x1cacd68d, 0x2ad37c96, 0x0175cb9d,
0xc69dff09, 0xc75b65f0, 0xd9db40d8, 0xec0e7779, 0x4744ead4, 0xb11c3274, 0xdd24cb9e, 0x7e1c54bd,
0xf01144f9, 0xd2240eb1, 0x9675b3fd, 0xa3ac3755, 0xd47c27af, 0x51c85f4d, 0x56907596, 0xa5bb15e6,
0x580304f0, 0xca042cf1, 0x011a37ea, 0x8dbfaadb, 0x35ba3e4a, 0x3526ffa0, 0xc37b4d09, 0xbc306ed9,
0x98a52666, 0x5648f725, 0xff5e569d, 0x0ced63d0, 0x7c63b2cf, 0x700b45e1, 0xd5ea50f1, 0x85a92872,
0xaf1fbda7, 0xd4234870, 0xa7870bf3, 0x2d3b4d79, 0x42e04198, 0x0cd0ede7, 0x26470db8, 0xf881814c,
0x474d6ad7, 0x7c0c5e5c, 0xd1231959, 0x381b7298, 0xf5d2f4db, 0xab838653, 0x6e2f1e23, 0x83719c9e,
0xbd91e046, 0x9a56456e, 0xdc39200c, 0x20c8c571, 0x962bda1c, 0xe1e696ff, 0xb141ab08, 0x7cca89b9,
0x1a69e783, 0x02cc4843, 0xa2f7c579, 0x429ef47d, 0x427b169c, 0x5ac9f049, 0xdd8f0f00, 0x5c8165bf,
},
{
0x1f201094, 0xef0ba75b, 0x69e3cf7e, 0x393f4380, 0xfe61cf7a, 0xeec5207a, 0x55889c94, 0x72fc0651,
0xada7ef79, 0x4e1d7235, 0xd55a63ce, 0xde0436ba, 0x99c430ef, 0x5f0c0794, 0x18dcdb7d, 0xa1d6eff3,
0xa0b52f7b, 0x59e83605, 0xee15b094, 0xe9ffd909, 0xdc440086, 0xef944459, 0xba83ccb3, 0xe0c3cdfb,
0xd1da4181, 0x3b092ab1, 0xf997f1c1, 0xa5e6cf7b, 0x01420ddb, 0xe4e7ef5b, 0x25a1ff41, 0xe180f806,
0x1fc41080, 0x179bee7a, 0xd37ac6a9, 0xfe5830a4, 0x98de8b7f, 0x77e83f4e, 0x79929269, 0x24fa9f7b,
0xe113c85b, 0xacc40083, 0xd7503525, 0xf7ea615f, 0x62143154, 0x0d554b63, 0x5d681121, 0xc866c359,
0x3d63cf73, 0xcee234c0, 0xd4d87e87, 0x5c672b21, 0x071f6181, 0x39f7627f, 0x361e3084, 0xe4eb573b,
0x602f64a4, 0xd63acd9c, 0x1bbc4635, 0x9e81032d, 0x2701f50c, 0x99847ab4, 0xa0e3df79, 0xba6cf38c,
0x10843094, 0x2537a95e, 0xf46f6ffe, 0xa1ff3b1f, 0x208cfb6a, 0x8f458c74, 0xd9e0a227, 0x4ec73a34,
0xfc884f69, 0x3e4de8df, 0xef0e0088, 0x3559648d, 0x8a45388c, 0x1d804366, 0x721d9bfd, 0xa58684bb,
0xe8256333, 0x844e8212, 0x128d8098, 0xfed33fb4, 0xce280ae1, 0x27e19ba5, 0xd5a6c252, 0xe49754bd,
0xc5d655dd, 0xeb667064, 0x77840b4d, 0xa1b6a801, 0x84db26a9, 0xe0b56714, 0x21f043b7, 0xe5d05860,
0x54f03084, 0x066ff472, 0xa31aa153, 0xdadc4755, 0xb5625dbf, 0x68561be6, 0x83ca6b94, 0x2d6ed23b,
0xeccf01db, 0xa6d3d0ba, 0xb6803d5c, 0xaf77a709, 0x33b4a34c, 0x397bc8d6, 0x5ee22b95, 0x5f0e5304,
0x81ed6f61, 0x20e74364, 0xb45e1378, 0xde18639b, 0x881ca122, 0xb96726d1, 0x8049a7e8, 0x22b7da7b,
0x5e552d25, 0x5272d237, 0x79d2951c, 0xc60d894c, 0x488cb402, 0x1ba4fe5b, 0xa4b09f6b, 0x1ca815cf,
0xa20c3005, 0x8871df63, 0xb9de2fcb, 0x0cc6c9e9, 0x0beeff53, 0xe3214517, 0xb4542835, 0x9f63293c,
0xee41e729, 0x6e1d2d7c, 0x50045286, 0x1e6685f3, 0xf33401c6, 0x30a22c95, 0x31a70850, 0x60930f13,
0x73f98417, 0xa1269859, 0xec645c44, 0x52c877a9, 0xcdff33a6, 0xa02b1741, 0x7cbad9a2, 0x2180036f,
0x50d99c08, 0xcb3f4861, 0xc26bd765, 0x64a3f6ab, 0x80342676, 0x25a75e7b, 0xe4e6d1fc, 0x20c710e6,
0xcdf0b680, 0x17844d3b, 0x31eef84d, 0x7e0824e4, 0x2ccb49eb, 0x846a3bae, 0x8ff77888, 0xee5d60f6,
0x7af75673, 0x2fdd5cdb, 0xa11631c1, 0x30f66f43, 0xb3faec54, 0x157fd7fa, 0xef8579cc, 0xd152de58,
0xdb2ffd5e, 0x8f32ce19, 0x306af97a, 0x02f03ef8, 0x99319ad5, 0xc242fa0f, 0xa7e3ebb0, 0xc68e4906,
0xb8da230c, 0x80823028, 0xdcdef3c8, 0xd35fb171, 0x088a1bc8, 0xbec0c560, 0x61a3c9e8, 0xbca8f54d,
0xc72feffa, 0x22822e99, 0x82c570b4, 0xd8d94e89, 0x8b1c34bc, 0x301e16e6, 0x273be979, 0xb0ffeaa6,
0x61d9b8c6, 0x00b24869, 0xb7ffce3f, 0x08dc283b, 0x43daf65a, 0xf7e19798, 0x7619b72f, 0x8f1c9ba4,
0xdc8637a0, 0x16a7d3b1, 0x9fc393b7, 0xa7136eeb, 0xc6bcc63e, 0x1a513742, 0xef6828bc, 0x520365d6,
0x2d6a77ab, 0x3527ed4b, 0x821fd216, 0x095c6e2e, 0xdb92f2fb, 0x5eea29cb, 0x145892f5, 0x91584f7f,
0x5483697b, 0x2667a8cc, 0x85196048, 0x8c4bacea, 0x833860d4, 0x0d23e0f9, 0x6c387e8a, 0x0ae6d249,
0xb284600c, 0xd835731d, 0xdcb1c647, 0xac4c56ea, 0x3ebd81b3, 0x230eabb0, 0x6438bc87, 0xf0b5b1fa,
0x8f5ea2b3, 0xfc184642, 0x0a036b7a, 0x4fb089bd, 0x649da589, 0xa345415e, 0x5c038323, 0x3e5d3bb9,
0x43d79572, 0x7e6dd07c, 0x06dfdf1e, 0x6c6cc4ef, 0x7160a539, 0x73bfbe70, 0x83877605, 0x4523ecf1,
},
{
0x8defc240, 0x25fa5d9f, 0xeb903dbf, 0xe810c907, 0x47607fff, 0x369fe44b, 0x8c1fc644, 0xaececa90,
0xbeb1f9bf, 0xeefbcaea, 0xe8cf1950, 0x51df07ae, 0x920e8806, 0xf0ad0548, 0xe13c8d83, 0x927010d5,
0x11107d9f, 0x07647db9, 0xb2e3e4d4, 0x3d4f285e, 0xb9afa820, 0xfade82e0, 0xa067268b, 0x8272792e,
0x553fb2c0, 0x489ae22b, 0xd4ef9794, 0x125e3fbc, 0x21fffcee, 0x825b1bfd, 0x9255c5ed, 0x1257a240,
0x4e1a8302, 0xbae07fff, 0x528246e7, 0x8e57140e, 0x3373f7bf, 0x8c9f8188, 0xa6fc4ee8, 0xc982b5a5,
0xa8c01db7, 0x579fc264, 0x67094f31, 0xf2bd3f5f, 0x40fff7c1, 0x1fb78dfc, 0x8e6bd2c1, 0x437be59b,
0x99b03dbf, 0xb5dbc64b, 0x638dc0e6, 0x55819d99, 0xa197c81c, 0x4a012d6e, 0xc5884a28, 0xccc36f71,
0xb843c213, 0x6c0743f1, 0x8309893c, 0x0feddd5f, 0x2f7fe850, 0xd7c07f7e, 0x02507fbf, 0x5afb9a04,
0xa747d2d0, 0x1651192e, 0xaf70bf3e, 0x58c31380, 0x5f98302e, 0x727cc3c4, 0x0a0fb402, 0x0f7fef82,
0x8c96fdad, 0x5d2c2aae, 0x8ee99a49, 0x50da88b8, 0x8427f4a0, 0x1eac5790, 0x796fb449, 0x8252dc15,
0xefbd7d9b, 0xa672597d, 0xada840d8, 0x45f54504, 0xfa5d7403, 0xe83ec305, 0x4f91751a, 0x925669c2,
0x23efe941, 0xa903f12e, 0x60270df2, 0x0276e4b6, 0x94fd6574, 0x927985b2, 0x8276dbcb, 0x02778176,
0xf8af918d, 0x4e48f79e, 0x8f616ddf, 0xe29d840e, 0x842f7d83, 0x340ce5c8, 0x96bbb682, 0x93b4b148,
0xef303cab, 0x984faf28, 0x779faf9b, 0x92dc560d, 0x224d1e20, 0x8437aa88, 0x7d29dc96, 0x2756d3dc,
0x8b907cee, 0xb51fd240, 0xe7c07ce3, 0xe566b4a1, 0xc3e9615e, 0x3cf8209d, 0x6094d1e3, 0xcd9ca341,
0x5c76460e, 0x00ea983b, 0xd4d67881, 0xfd47572c, 0xf76cedd9, 0xbda8229c, 0x127dadaa, 0x438a074e,
0x1f97c090, 0x081bdb8a, 0x93a07ebe, 0xb938ca15, 0x97b03cff, 0x3dc2c0f8, 0x8d1ab2ec, 0x64380e51,
0x68cc7bfb, 0xd90f2788, 0x12490181, 0x5de5ffd4, 0xdd7ef86a, 0x76a2e214, 0xb9a40368, 0x925d958f,
0x4b39fffa, 0xba39aee9, 0xa4ffd30b, 0xfaf7933b, 0x6d498623, 0x193cbcfa, 0x27627545, 0x825cf47a,
0x61bd8ba0, 0xd11e42d1, 0xcead04f4, 0x127ea392, 0x10428db7, 0x8272a972, 0x9270c4a8, 0x127de50b,
0x285ba1c8, 0x3c62f44f, 0x35c0eaa5, 0xe805d231, 0x428929fb, 0xb4fcdf82, 0x4fb66a53, 0x0e7dc15b,
0x1f081fab, 0x108618ae, 0xfcfd086d, 0xf9ff2889, 0x694bcc11, 0x236a5cae, 0x12deca4d, 0x2c3f8cc5,
0xd2d02dfe, 0xf8ef5896, 0xe4cf52da, 0x95155b67, 0x494a488c, 0xb9b6a80c, 0x5c8f82bc, 0x89d36b45,
0x3a609437, 0xec00c9a9, 0x44715253, 0x0a874b49, 0xd773bc40, 0x7c34671c, 0x02717ef6, 0x4feb5536,
0xa2d02fff, 0xd2bf60c4, 0xd43f03c0, 0x50b4ef6d, 0x07478cd1, 0x006e1888, 0xa2e53f55, 0xb9e6d4bc,
0xa2048016, 0x97573833, 0xd7207d67, 0xde0f8f3d, 0x72f87b33, 0xabcc4f33, 0x7688c55d, 0x7b00a6b0,
0x947b0001, 0x570075d2, 0xf9bb88f8, 0x8942019e, 0x4264a5ff, 0x856302e0, 0x72dbd92b, 0xee971b69,
0x6ea22fde, 0x5f08ae2b, 0xaf7a616d, 0xe5c98767, 0xcf1febd2, 0x61efc8c2, 0xf1ac2571, 0xcc8239c2,
0x67214cb8, 0xb1e583d1, 0xb7dc3e62, 0x7f10bdce, 0xf90a5c38, 0x0ff0443d, 0x606e6dc6, 0x60543a49,
0x5727c148, 0x2be98a1d, 0x8ab41738, 0x20e1be24, 0xaf96da0f, 0x68458425, 0x99833be5, 0x600d457d,
0x282f9350, 0x8334b362, 0xd91d1120, 0x2b6d8da0, 0x642b1e31, 0x9c305a00, 0x52bce688, 0x1b03588a,
0xf7baefd5, 0x4142ed9c, 0xa4315c11, 0x83323ec5, 0xdfef4636, 0xa133c501, 0xe9d3531c, 0xee353783,
},
{
0x9db30420, 0x1fb6e9de, 0xa7be7bef, 0xd273a298, 0x4a4f7bdb, 0x64ad8c57, 0x85510443, 0xfa020ed1,
0x7e287aff, 0xe60fb663, 0x095f35a1, 0x79ebf120, 0xfd059d43, 0x6497b7b1, 0xf3641f63, 0x241e4adf,
0x28147f5f, 0x4fa2b8cd, 0xc9430040, 0x0cc32220, 0xfdd30b30, 0xc0a5374f, 0x1d2d00d9, 0x24147b15,
0xee4d111a, 0x0fca5167, 0x71ff904c, 0x2d195ffe, 0x1a05645f, 0x0c13fefe, 0x081b08ca, 0x05170121,
0x80530100, 0xe83e5efe, 0xac9af4f8, 0x7fe72701, 0xd2b8ee5f, 0x06df4261, 0xbb9e9b8a, 0x7293ea25,
0xce84ffdf, 0xf5718801, 0x3dd64b04, 0xa26f263b, 0x7ed48400, 0x547eebe6, 0x446d4ca0, 0x6cf3d6f5,
0x2649abdf, 0xaea0c7f5, 0x36338cc1, 0x503f7e93, 0xd3772061, 0x11b638e1, 0x72500e03, 0xf80eb2bb,
0xabe0502e, 0xec8d77de, 0x57971e81, 0xe14f6746, 0xc9335400, 0x6920318f, 0x081dbb99, 0xffc304a5,
0x4d351805, 0x7f3d5ce3, 0xa6c866c6, 0x5d5bcca9, 0xdaec6fea, 0x9f926f91, 0x9f46222f, 0x3991467d,
0xa5bf6d8e, 0x1143c44f, 0x43958302, 0xd0214eeb, 0x022083b8, 0x3fb6180c, 0x18f8931e, 0x281658e6,
0x26486e3e, 0x8bd78a70, 0x7477e4c1, 0xb506e07c, 0xf32d0a25, 0x79098b02, 0xe4eabb81, 0x28123b23,
0x69dead38, 0x1574ca16, 0xdf871b62, 0x211c40b7, 0xa51a9ef9, 0x0014377b, 0x041e8ac8, 0x09114003,
0xbd59e4d2, 0xe3d156d5, 0x4fe876d5, 0x2f91a340, 0x557be8de, 0x00eae4a7, 0x0ce5c2ec, 0x4db4bba6,
0xe756bdff, 0xdd3369ac, 0xec17b035, 0x06572327, 0x99afc8b0, 0x56c8c391, 0x6b65811c, 0x5e146119,
0x6e85cb75, 0xbe07c002, 0xc2325577, 0x893ff4ec, 0x5bbfc92d, 0xd0ec3b25, 0xb7801ab7, 0x8d6d3b24,
0x20c763ef, 0xc366a5fc, 0x9c382880, 0x0ace3205, 0xaac9548a, 0xeca1d7c7, 0x041afa32, 0x1d16625a,
0x6701902c, 0x9b757a54, 0x31d477f7, 0x9126b031, 0x36cc6fdb, 0xc70b8b46, 0xd9e66a48, 0x56e55a79,
0x026a4ceb, 0x52437eff, 0x2f8f76b4, 0x0df980a5, 0x8674cde3, 0xedda04eb, 0x17a9be04, 0x2c18f4df,
0xb7747f9d, 0xab2af7b4, 0xefc34d20, 0x2e096b7c, 0x1741a254, 0xe5b6a035, 0x213d42f6, 0x2c1c7c26,
0x61c2f50f, 0x6552daf9, 0xd2c231f8, 0x25130f69, 0xd8167fa2, 0x0418f2c8, 0x001a96a6, 0x0d1526ab,
0x63315c21, 0x5e0a72ec, 0x49bafefd, 0x187908d9, 0x8d0dbd86, 0x311170a7, 0x3e9b640c, 0xcc3e10d7,
0xd5cad3b6, 0x0caec388, 0xf73001e1, 0x6c728aff, 0x71eae2a1, 0x1f9af36e, 0xcfcbd12f, 0xc1de8417,
0xac07be6b, 0xcb44a1d8, 0x8b9b0f56, 0x013988c3, 0xb1c52fca, 0xb4be31cd, 0xd8782806, 0x12a3a4e2,
0x6f7de532, 0x58fd7eb6, 0xd01ee900, 0x24adffc2, 0xf4990fc5, 0x9711aac5, 0x001d7b95, 0x82e5e7d2,
0x109873f6, 0x00613096, 0xc32d9521, 0xada121ff, 0x29908415, 0x7fbb977f, 0xaf9eb3db, 0x29c9ed2a,
0x5ce2a465, 0xa730f32c, 0xd0aa3fe8, 0x8a5cc091, 0xd49e2ce7, 0x0ce454a9, 0xd60acd86, 0x015f1919,
0x77079103, 0xdea03af6, 0x78a8565e, 0xdee356df, 0x21f05cbe, 0x8b75e387, 0xb3c50651, 0xb8a5c3ef,
0xd8eeb6d2, 0xe523be77, 0xc2154529, 0x2f69efdf, 0xafe67afb, 0xf470c4b2, 0xf3e0eb5b, 0xd6cc9876,
0x39e4460c, 0x1fda8538, 0x1987832f, 0xca007367, 0xa99144f8, 0x296b299e, 0x492fc295, 0x9266beab,
0xb5676e69, 0x9bd3ddda, 0xdf7e052f, 0xdb25701c, 0x1b5e51ee, 0xf65324e6, 0x6afce36c, 0x0316cc04,
0x8644213e, 0xb7dc59d0, 0x7965291f, 0xccd6fd43, 0x41823979, 0x932bcdf6, 0xb657c34d, 0x4edfd282,
0x7ae5290c, 0x3cb9536b, 0x851e20fe, 0x9833557e, 0x13ecf0b0, 0xd3ffb372, 0x3f85c5c1, 0x0aef7ed2,
},
{
0x7ec90c04, 0x2c6e74b9, 0x9b0e66df, 0xa6337911, 0xb86a7fff, 0x1dd358f5, 0x44dd9d44, 0x1731167f,
0x08fbf1fa, 0xe7f511cc, 0xd2051b00, 0x735aba00, 0x2ab722d8, 0x386381cb, 0xacf6243a, 0x69befd7a,
0xe6a2e77f, 0xf0c720cd, 0xc4494816, 0xccf5c180, 0x38851640, 0x15b0a848, 0xe68b18cb, 0x4caadeff,
0x5f480a01, 0x0412b2aa, 0x259814fc, 0x41d0efe2, 0x4e40b48d, 0x248eb6fb, 0x8dba1cfe, 0x41a99b02,
0x1a550a04, 0xba8f65cb, 0x7251f4e7, 0x95a51725, 0xc106ecd7, 0x97a5980a, 0xc539b9aa, 0x4d79fe6a,
0xf2f3f763, 0x68af8040, 0xed0c9e56, 0x11b4958b, 0xe1eb5a88, 0x8709e6b0, 0xd7e07156, 0x4e29fea7,
0x6366e52d, 0x02d1c000, 0xc4ac8e05, 0x9377f571, 0x0c05372a, 0x578535f2, 0x2261be02, 0xd642a0c9,
0xdf13a280, 0x74b55bd2, 0x682199c0, 0xd421e5ec, 0x53fb3ce8, 0xc8adedb3, 0x28a87fc9, 0x3d959981,
0x5c1ff900, 0xfe38d399, 0x0c4eff0b, 0x062407ea, 0xaa2f4fb1, 0x4fb96976, 0x90c79505, 0xb0a8a774,
0xef55a1ff, 0xe59ca2c2, 0xa6b62d27, 0xe66a4263, 0xdf65001f, 0x0ec50966, 0xdfdd55bc, 0x29de0655,
0x911e739a, 0x17af8975, 0x32c7911c, 0x89f89468, 0x0d01e980, 0x524755f4, 0x03b63cc9, 0x0cc844b2,
0xbcf3f0aa, 0x87ac36e9, 0xe53a7426, 0x01b3d82b, 0x1a9e7449, 0x64ee2d7e, 0xcddbb1da, 0x01c94910,
0xb868bf80, 0x0d26f3fd, 0x9342ede7, 0x04a5c284, 0x636737b6, 0x50f5b616, 0xf24766e3, 0x8eca36c1,
0x136e05db, 0xfef18391, 0xfb887a37, 0xd6e7f7d4, 0xc7fb7dc9, 0x3063fcdf, 0xb6f589de, 0xec2941da,
0x26e46695, 0xb7566419, 0xf654efc5, 0xd08d58b7, 0x48925401, 0xc1bacb7f, 0xe5ff550f, 0xb6083049,
0x5bb5d0e8, 0x87d72e5a, 0xab6a6ee1, 0x223a66ce, 0xc62bf3cd, 0x9e0885f9, 0x68cb3e47, 0x086c010f,
0xa21de820, 0xd18b69de, 0xf3f65777, 0xfa02c3f6, 0x407edac3, 0xcbb3d550, 0x1793084d, 0xb0d70eba,
0x0ab378d5, 0xd951fb0c, 0xded7da56, 0x4124bbe4, 0x94ca0b56, 0x0f5755d1, 0xe0e1e56e, 0x6184b5be,
0x580a249f, 0x94f74bc0, 0xe327888e, 0x9f7b5561, 0xc3dc0280, 0x05687715, 0x646c6bd7, 0x44904db3,
0x66b4f0a3, 0xc0f1648a, 0x697ed5af, 0x49e92ff6, 0x309e374f, 0x2cb6356a, 0x85808573, 0x4991f840,
0x76f0ae02, 0x083be84d, 0x28421c9a, 0x44489406, 0x736e4cb8, 0xc1092910, 0x8bc95fc6, 0x7d869cf4,
0x134f616f, 0x2e77118d, 0xb31b2be1, 0xaa90b472, 0x3ca5d717, 0x7d161bba, 0x9cad9010, 0xaf462ba2,
0x9fe459d2, 0x45d34559, 0xd9f2da13, 0xdbc65487, 0xf3e4f94e, 0x176d486f, 0x097c13ea, 0x631da5c7,
0x445f7382, 0x175683f4, 0xcdc66a97, 0x70be0288, 0xb3cdcf72, 0x6e5dd2f3, 0x20936079, 0x459b80a5,
0xbe60e2db, 0xa9c23101, 0xeba5315c, 0x224e42f2, 0x1c5c1572, 0xf6721b2c, 0x1ad2fff3, 0x8c25404e,
0x324ed72f, 0x4067b7fd, 0x0523138e, 0x5ca3bc78, 0xdc0fd66e, 0x75922283, 0x784d6b17, 0x58ebb16e,
0x44094f85, 0x3f481d87, 0xfcfeae7b, 0x77b5ff76, 0x8c2302bf, 0xaaf47556, 0x5f46b02a, 0x2b092801,
0x3d38f5f7, 0x0ca81f36, 0x52af4a8a, 0x66d5e7c0, 0xdf3b0874, 0x95055110, 0x1b5ad7a8, 0xf61ed5ad,
0x6cf6e479, 0x20758184, 0xd0cefa65, 0x88f7be58, 0x4a046826, 0x0ff6f8f3, 0xa09c7f70, 0x5346aba0,
0x5ce96c28, 0xe176eda3, 0x6bac307f, 0x376829d2, 0x85360fa9, 0x17e3fe2a, 0x24b79767, 0xf5a96b20,
0xd6cd2595, 0x68ff1ebf, 0x7555442c, 0xf19f06be, 0xf9e0659a, 0xeeb9491d, 0x34010718, 0xbb30cab8,
0xe822fe15, 0x88570983, 0x750e6249, 0xda627e55, 0x5e76ffa8, 0xb1534546, 0x6d47de08, 0xefe9e7d4,
},
{
0xf6fa8f9d, 0x2cac6ce1, 0x4ca34867, 0xe2337f7c, 0x95db08e7, 0x016843b4, 0xeced5cbc, 0x325553ac,
0xbf9f0960, 0xdfa1e2ed, 0x83f0579d, 0x63ed86b9, 0x1ab6a6b8, 0xde5ebe39, 0xf38ff732, 0x8989b138,
0x33f14961, 0xc01937bd, 0xf506c6da, 0xe4625e7e, 0xa308ea99, 0x4e23e33c, 0x79cbd7cc, 0x48a14367,
0xa3149619, 0xfec94bd5, 0xa114174a, 0xeaa01866, 0xa084db2d, 0x09a8486f, 0xa888614a, 0x2900af98,
0x01665991, 0xe1992863, 0xc8f30c60, 0x2e78ef3c, 0xd0d51932, 0xcf0fec14, 0xf7ca07d2, 0xd0a82072,
0xfd41197e, 0x9305a6b0, 0xe86be3da, 0x74bed3cd, 0x372da53c, 0x4c7f4448, 0xdab5d440, 0x6dba0ec3,
0x083919a7, 0x9fbaeed9, 0x49dbcfb0, 0x4e670c53, 0x5c3d9c01, 0x64bdb941, 0x2c0e636a, 0xba7dd9cd,
0xea6f7388, 0xe70bc762, 0x35f29adb, 0x5c4cdd8d, 0xf0d48d8c, 0xb88153e2, 0x08a19866, 0x1ae2eac8,
0x284caf89, 0xaa928223, 0x9334be53, 0x3b3a21bf, 0x16434be3, 0x9aea3906, 0xefe8c36e, 0xf890cdd9,
0x80226dae, 0xc340a4a3, 0xdf7e9c09, 0xa694a807, 0x5b7c5ecc, 0x221db3a6, 0x9a69a02f, 0x68818a54,
0xceb2296f, 0x53c0843a, 0xfe893655, 0x25bfe68a, 0xb4628abc, 0xcf222ebf, 0x25ac6f48, 0xa9a99387,
0x53bddb65, 0xe76ffbe7, 0xe967fd78, 0x0ba93563, 0x8e342bc1, 0xe8a11be9, 0x4980740d, 0xc8087dfc,
0x8de4bf99, 0xa11101a0, 0x7fd37975, 0xda5a26c0, 0xe81f994f, 0x9528cd89, 0xfd339fed, 0xb87834bf,
0x5f04456d, 0x22258698, 0xc9c4c83b, 0x2dc156be, 0x4f628daa, 0x57f55ec5, 0xe2220abe, 0xd2916ebf,
0x4ec75b95, 0x24f2c3c0, 0x42d15d99, 0xcd0d7fa0, 0x7b6e27ff, 0xa8dc8af0, 0x7345c106, 0xf41e232f,
0x35162386, 0xe6ea8926, 0x3333b094, 0x157ec6f2, 0x372b74af, 0x692573e4, 0xe9a9d848, 0xf3160289,
0x3a62ef1d, 0xa787e238, 0xf3a5f676, 0x74364853, 0x20951063, 0x4576698d, 0xb6fad407, 0x592af950,
0x36f73523, 0x4cfb6e87, 0x7da4cec0, 0x6c152daa, 0xcb0396a8, 0xc50dfe5d, 0xfcd707ab, 0x0921c42f,
0x89dff0bb, 0x5fe2be78, 0x448f4f33, 0x754613c9, 0x2b05d08d, 0x48b9d585, 0xdc049441, 0xc8098f9b,
0x7dede786, 0xc39a3373, 0x42410005, 0x6a091751, 0x0ef3c8a6, 0x890072d6, 0x28207682, 0xa9a9f7be,
0xbf32679d, 0xd45b5b75, 0xb353fd00, 0xcbb0e358, 0x830f220a, 0x1f8fb214, 0xd372cf08, 0xcc3c4a13,
0x8cf63166, 0x061c87be, 0x88c98f88, 0x6062e397, 0x47cf8e7a, 0xb6c85283, 0x3cc2acfb, 0x3fc06976,
0x4e8f0252, 0x64d8314d, 0xda3870e3, 0x1e665459, 0xc10908f0, 0x513021a5, 0x6c5b68b7, 0x822f8aa0,
0x3007cd3e, 0x74719eef, 0xdc872681, 0x073340d4, 0x7e432fd9, 0x0c5ec241, 0x8809286c, 0xf592d891,
0x08a930f6, 0x957ef305, 0xb7fbffbd, 0xc266e96f, 0x6fe4ac98, 0xb173ecc0, 0xbc60b42a, 0x953498da,
0xfba1ae12, 0x2d4bd736, 0x0f25faab, 0xa4f3fceb, 0xe2969123, 0x257f0c3d, 0x9348af49, 0x361400bc,
0xe8816f4a, 0x3814f200, 0xa3f94043, 0x9c7a54c2, 0xbc704f57, 0xda41e7f9, 0xc25ad33a, 0x54f4a084,
0xb17f5505, 0x59357cbe, 0xedbd15c8, 0x7f97c5ab, 0xba5ac7b5, 0xb6f6deaf, 0x3a479c3a, 0x5302da25,
0x653d7e6a, 0x54268d49, 0x51a477ea, 0x5017d55b, 0xd7d25d88, 0x44136c76, 0x0404a8c8, 0xb8e5a121,
0xb81a928a, 0x60ed5869, 0x97c55b96, 0xeaec991b, 0x29935913, 0x01fdb7f1, 0x088e8dfa, 0x9ab6f6f5,
0x3b4cbf9f, 0x4a5de3ab, 0xe6051d35, 0xa0e1d855, 0xd36b4cf1, 0xf544edeb, 0xb0e93524, 0xbebb8fbd,
0xa2d762cf, 0x49c92f54, 0x38b5f331, 0x7128a454, 0x48392905, 0xa65b1db8, 0x851c97bd, 0xd675cf2f,
},
{
0x85e04019, 0x332bf567, 0x662dbfff, 0xcfc65693, 0x2a8d7f6f, 0xab9bc912, 0xde6008a1, 0x2028da1f,
0x0227bce7, 0x4d642916, 0x18fac300, 0x50f18b82, 0x2cb2cb11, 0xb232e75c, 0x4b3695f2, 0xb28707de,
0xa05fbcf6, 0xcd4181e9, 0xe150210c, 0xe24ef1bd, 0xb168c381, 0xfde4e789, 0x5c79b0d8, 0x1e8bfd43,
0x4d495001, 0x38be4341, 0x913cee1d, 0x92a79c3f, 0x089766be, 0xbaeeadf4, 0x1286becf, 0xb6eacb19,
0x2660c200, 0x7565bde4, 0x64241f7a, 0x8248dca9, 0xc3b3ad66, 0x28136086, 0x0bd8dfa8, 0x356d1cf2,
0x107789be, 0xb3b2e9ce, 0x0502aa8f, 0x0bc0351e, 0x166bf52a, 0xeb12ff82, 0xe3486911, 0xd34d7516,
0x4e7b3aff, 0x5f43671b, 0x9cf6e037, 0x4981ac83, 0x334266ce, 0x8c9341b7, 0xd0d854c0, 0xcb3a6c88,
0x47bc2829, 0x4725ba37, 0xa66ad22b, 0x7ad61f1e, 0x0c5cbafa, 0x4437f107, 0xb6e79962, 0x42d2d816,
0x0a961288, 0xe1a5c06e, 0x13749e67, 0x72fc081a, 0xb1d139f7, 0xf9583745, 0xcf19df58, 0xbec3f756,
0xc06eba30, 0x07211b24, 0x45c28829, 0xc95e317f, 0xbc8ec511, 0x38bc46e9, 0xc6e6fa14, 0xbae8584a,
0xad4ebc46, 0x468f508b, 0x7829435f, 0xf124183b, 0x821dba9f, 0xaff60ff4, 0xea2c4e6d, 0x16e39264,
0x92544a8b, 0x009b4fc3, 0xaba68ced, 0x9ac96f78, 0x06a5b79a, 0xb2856e6e, 0x1aec3ca9, 0xbe838688,
0x0e0804e9, 0x55f1be56, 0xe7e5363b, 0xb3a1f25d, 0xf7debb85, 0x61fe033c, 0x16746233, 0x3c034c28,
0xda6d0c74, 0x79aac56c, 0x3ce4e1ad, 0x51f0c802, 0x98f8f35a, 0x1626a49f, 0xeed82b29, 0x1d382fe3,
0x0c4fb99a, 0xbb325778, 0x3ec6d97b, 0x6e77a6a9, 0xcb658b5c, 0xd45230c7, 0x2bd1408b, 0x60c03eb7,
0xb9068d78, 0xa33754f4, 0xf430c87d, 0xc8a71302, 0xb96d8c32, 0xebd4e7be, 0xbe8b9d2d, 0x7979fb06,
0xe7225308, 0x8b75cf77, 0x11ef8da4, 0xe083c858, 0x8d6b786f, 0x5a6317a6, 0xfa5cf7a0, 0x5dda0033,
0xf28ebfb0, 0xf5b9c310, 0xa0eac280, 0x08b9767a, 0xa3d9d2b0, 0x79d34217, 0x021a718d, 0x9ac6336a,
0x2711fd60, 0x438050e3, 0x069908a8, 0x3d7fedc4, 0x826d2bef, 0x4eeb8476, 0x488dcf25, 0x36c9d566,
0x28e74e41, 0xc2610aca, 0x3d49a9cf, 0xbae3b9df, 0xb65f8de6, 0x92aeaf64, 0x3ac7d5e6, 0x9ea80509,
0xf22b017d, 0xa4173f70, 0xdd1e16c3, 0x15e0d7f9, 0x50b1b887, 0x2b9f4fd5, 0x625aba82, 0x6a017962,
0x2ec01b9c, 0x15488aa9, 0xd716e740, 0x40055a2c, 0x93d29a22, 0xe32dbf9a, 0x058745b9, 0x3453dc1e,
0xd699296e, 0x496cff6f, 0x1c9f4986, 0xdfe2ed07, 0xb87242d1, 0x19de7eae, 0x053e561a, 0x15ad6f8c,
0x66626c1c, 0x7154c24c, 0xea082b2a, 0x93eb2939, 0x17dcb0f0, 0x58d4f2ae, 0x9ea294fb, 0x52cf564c,
0x9883fe66, 0x2ec40581, 0x763953c3, 0x01d6692e, 0xd3a0c108, 0xa1e7160e, 0xe4f2dfa6, 0x693ed285,
0x74904698, 0x4c2b0edd, 0x4f757656, 0x5d393378, 0xa132234f, 0x3d321c5d, 0xc3f5e194, 0x4b269301,
0xc79f022f, 0x3c997e7e, 0x5e4f9504, 0x3ffafbbd, 0x76f7ad0e, 0x296693f4, 0x3d1fce6f, 0xc61e45be,
0xd3b5ab34, 0xf72bf9b7, 0x1b0434c0, 0x4e72b567, 0x5592a33d, 0xb5229301, 0xcfd2a87f, 0x60aeb767,
0x1814386b, 0x30bcc33d, 0x38a0c07d, 0xfd1606f2, 0xc363519b, 0x589dd390, 0x5479f8e6, 0x1cb8d647,
0x97fd61a9, 0xea7759f4, 0x2d57539d, 0x569a58cf, 0xe84e63ad, 0x462e1b78, 0x6580f87e, 0xf3817914,
0x91da55f4, 0x40a230f3, 0xd1988f35, 0xb6e318d2, 0x3ffa50bc, 0x3d40f021, 0xc3c0bdae, 0x4958c24c,
0x518f36b2, 0x84b1d370, 0x0fedce83, 0x878ddada, 0xf2a279c7, 0x94e01be8, 0x90716f4b, 0x954b8aa3,
},
{
0xe216300d, 0xbbddfffc, 0xa7ebdabd, 0x35648095, 0x7789f8b7, 0xe6c1121b, 0x0e241600, 0x052ce8b5,
0x11a9cfb0, 0xe5952f11, 0xece7990a, 0x9386d174, 0x2a42931c, 0x76e38111, 0xb12def3a, 0x37ddddfc,
0xde9adeb1, 0x0a0cc32c, 0xbe197029, 0x84a00940, 0xbb243a0f, 0xb4d137cf, 0xb44e79f0, 0x049eedfd,
0x0b15a15d, 0x480d3168, 0x8bbbde5a, 0x669ded42, 0xc7ece831, 0x3f8f95e7, 0x72df191b, 0x7580330d,
0x94074251, 0x5c7dcdfa, 0xabbe6d63, 0xaa402164, 0xb301d40a, 0x02e7d1ca, 0x53571dae, 0x7a3182a2,
0x12a8ddec, 0xfdaa335d, 0x176f43e8, 0x71fb46d4, 0x38129022, 0xce949ad4, 0xb84769ad, 0x965bd862,
0x82f3d055, 0x66fb9767, 0x15b80b4e, 0x1d5b47a0, 0x4cfde06f, 0xc28ec4b8, 0x57e8726e, 0x647a78fc,
0x99865d44, 0x608bd593, 0x6c200e03, 0x39dc5ff6, 0x5d0b00a3, 0xae63aff2, 0x7e8bd632, 0x70108c0c,
0xbbd35049, 0x2998df04, 0x980cf42a, 0x9b6df491, 0x9e7edd53, 0x06918548, 0x58cb7e07, 0x3b74ef2e,
0x522fffb1, 0xd24708cc, 0x1c7e27cd, 0xa4eb215b, 0x3cf1d2e2, 0x19b47a38, 0x424f7618, 0x35856039,
0x9d17dee7, 0x27eb35e6, 0xc9aff67b, 0x36baf5b8, 0x09c467cd, 0xc18910b1, 0xe11dbf7b, 0x06cd1af8,
0x7170c608, 0x2d5e3354, 0xd4de495a, 0x64c6d006, 0xbcc0c62c, 0x3dd00db3, 0x708f8f34, 0x77d51b42,
0x264f620f, 0x24b8d2bf, 0x15c1b79e, 0x46a52564, 0xf8d7e54e, 0x3e378160, 0x7895cda5, 0x859c15a5,
0xe6459788, 0xc37bc75f, 0xdb07ba0c, 0x0676a3ab, 0x7f229b1e, 0x31842e7b, 0x24259fd7, 0xf8bef472,
0x835ffcb8, 0x6df4c1f2, 0x96f5b195, 0xfd0af0fc, 0xb0fe134c, 0xe2506d3d, 0x4f9b12ea, 0xf215f225,
0xa223736f, 0x9fb4c428, 0x25d04979, 0x34c713f8, 0xc4618187, 0xea7a6e98, 0x7cd16efc, 0x1436876c,
0xf1544107, 0xbedeee14, 0x56e9af27, 0xa04aa441, 0x3cf7c899, 0x92ecbae6, 0xdd67016d, 0x151682eb,
0xa842eedf, 0xfdba60b4, 0xf1907b75, 0x20e3030f, 0x24d8c29e, 0xe139673b, 0xefa63fb8, 0x71873054,
0xb6f2cf3b, 0x9f326442, 0xcb15a4cc, 0xb01a4504, 0xf1e47d8d, 0x844a1be5, 0xbae7dfdc, 0x42cbda70,
0xcd7dae0a, 0x57e85b7a, 0xd53f5af6, 0x20cf4d8c, 0xcea4d428, 0x79d130a4, 0x3486ebfb, 0x33d3cddc,
0x77853b53, 0x37effcb5, 0xc5068778, 0xe580b3e6, 0x4e68b8f4, 0xc5c8b37e, 0x0d809ea2, 0x398feb7c,
0x132a4f94, 0x43b7950e, 0x2fee7d1c, 0x223613bd, 0xdd06caa2, 0x37df932b, 0xc4248289, 0xacf3ebc3,
0x5715f6b7, 0xef3478dd, 0xf267616f, 0xc148cbe4, 0x9052815e, 0x5e410fab, 0xb48a2465, 0x2eda7fa4,
0xe87b40e4, 0xe98ea084, 0x5889e9e1, 0xefd390fc, 0xdd07d35b, 0xdb485694, 0x38d7e5b2, 0x57720101,
0x730edebc, 0x5b643113, 0x94917e4f, 0x503c2fba, 0x646f1282, 0x7523d24a, 0xe0779695, 0xf9c17a8f,
0x7a5b2121, 0xd187b896, 0x29263a4d, 0xba510cdf, 0x81f47c9f, 0xad1163ed, 0xea7b5965, 0x1a00726e,
0x11403092, 0x00da6d77, 0x4a0cdd61, 0xad1f4603, 0x605bdfb0, 0x9eedc364, 0x22ebe6a8, 0xcee7d28a,
0xa0e736a0, 0x5564a6b9, 0x10853209, 0xc7eb8f37, 0x2de705ca, 0x8951570f, 0xdf09822b, 0xbd691a6c,
0xaa12e4f2, 0x87451c0f, 0xe0f6a27a, 0x3ada4819, 0x4cf1764f, 0x0d771c2b, 0x67cdb156, 0x350d8384,
0x5938fa0f, 0x42399ef3, 0x36997b07, 0x0e84093d, 0x4aa93e61, 0x8360d87b, 0x1fa98b0c, 0x1149382c,
0xe97625a5, 0x0614d1b7, 0x0e25244b, 0x0c768347, 0x589e8d82, 0x0d2059d1, 0xa466bb1e, 0xf8da0a82,
0x04f19130, 0xba6e4ec0, 0x99265164, 0x1ee7230d, 0x50b2ad80, 0xeaee6801, 0x8db2a283, 0xea8bf59e,
},
}

106
vendor/golang.org/x/crypto/cast5/cast5_test.go generated vendored Normal file
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@ -0,0 +1,106 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cast5
import (
"bytes"
"encoding/hex"
"testing"
)
// This test vector is taken from RFC 2144, App B.1.
// Since the other two test vectors are for reduced-round variants, we can't
// use them.
var basicTests = []struct {
key, plainText, cipherText string
}{
{
"0123456712345678234567893456789a",
"0123456789abcdef",
"238b4fe5847e44b2",
},
}
func TestBasic(t *testing.T) {
for i, test := range basicTests {
key, _ := hex.DecodeString(test.key)
plainText, _ := hex.DecodeString(test.plainText)
expected, _ := hex.DecodeString(test.cipherText)
c, err := NewCipher(key)
if err != nil {
t.Errorf("#%d: failed to create Cipher: %s", i, err)
continue
}
var cipherText [BlockSize]byte
c.Encrypt(cipherText[:], plainText)
if !bytes.Equal(cipherText[:], expected) {
t.Errorf("#%d: got:%x want:%x", i, cipherText, expected)
}
var plainTextAgain [BlockSize]byte
c.Decrypt(plainTextAgain[:], cipherText[:])
if !bytes.Equal(plainTextAgain[:], plainText) {
t.Errorf("#%d: got:%x want:%x", i, plainTextAgain, plainText)
}
}
}
// TestFull performs the test specified in RFC 2144, App B.2.
// However, due to the length of time taken, it's disabled here and a more
// limited version is included, below.
func TestFull(t *testing.T) {
if testing.Short() {
// This is too slow for normal testing
return
}
a, b := iterate(1000000)
const expectedA = "eea9d0a249fd3ba6b3436fb89d6dca92"
const expectedB = "b2c95eb00c31ad7180ac05b8e83d696e"
if hex.EncodeToString(a) != expectedA {
t.Errorf("a: got:%x want:%s", a, expectedA)
}
if hex.EncodeToString(b) != expectedB {
t.Errorf("b: got:%x want:%s", b, expectedB)
}
}
func iterate(iterations int) ([]byte, []byte) {
const initValueHex = "0123456712345678234567893456789a"
initValue, _ := hex.DecodeString(initValueHex)
var a, b [16]byte
copy(a[:], initValue)
copy(b[:], initValue)
for i := 0; i < iterations; i++ {
c, _ := NewCipher(b[:])
c.Encrypt(a[:8], a[:8])
c.Encrypt(a[8:], a[8:])
c, _ = NewCipher(a[:])
c.Encrypt(b[:8], b[:8])
c.Encrypt(b[8:], b[8:])
}
return a[:], b[:]
}
func TestLimited(t *testing.T) {
a, b := iterate(1000)
const expectedA = "23f73b14b02a2ad7dfb9f2c35644798d"
const expectedB = "e5bf37eff14c456a40b21ce369370a9f"
if hex.EncodeToString(a) != expectedA {
t.Errorf("a: got:%x want:%s", a, expectedA)
}
if hex.EncodeToString(b) != expectedB {
t.Errorf("b: got:%x want:%s", b, expectedB)
}
}

1
vendor/golang.org/x/crypto/codereview.cfg generated vendored Normal file
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@ -0,0 +1 @@
issuerepo: golang/go

20
vendor/golang.org/x/crypto/curve25519/const_amd64.s generated vendored Normal file
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@ -0,0 +1,20 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
DATA ·REDMASK51(SB)/8, $0x0007FFFFFFFFFFFF
GLOBL ·REDMASK51(SB), 8, $8
DATA ·_121666_213(SB)/8, $996687872
GLOBL ·_121666_213(SB), 8, $8
DATA ·_2P0(SB)/8, $0xFFFFFFFFFFFDA
GLOBL ·_2P0(SB), 8, $8
DATA ·_2P1234(SB)/8, $0xFFFFFFFFFFFFE
GLOBL ·_2P1234(SB), 8, $8

88
vendor/golang.org/x/crypto/curve25519/cswap_amd64.s generated vendored Normal file
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@ -0,0 +1,88 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
// func cswap(inout *[5]uint64, v uint64)
TEXT ·cswap(SB),7,$0
MOVQ inout+0(FP),DI
MOVQ v+8(FP),SI
CMPQ SI,$1
MOVQ 0(DI),SI
MOVQ 80(DI),DX
MOVQ 8(DI),CX
MOVQ 88(DI),R8
MOVQ SI,R9
CMOVQEQ DX,SI
CMOVQEQ R9,DX
MOVQ CX,R9
CMOVQEQ R8,CX
CMOVQEQ R9,R8
MOVQ SI,0(DI)
MOVQ DX,80(DI)
MOVQ CX,8(DI)
MOVQ R8,88(DI)
MOVQ 16(DI),SI
MOVQ 96(DI),DX
MOVQ 24(DI),CX
MOVQ 104(DI),R8
MOVQ SI,R9
CMOVQEQ DX,SI
CMOVQEQ R9,DX
MOVQ CX,R9
CMOVQEQ R8,CX
CMOVQEQ R9,R8
MOVQ SI,16(DI)
MOVQ DX,96(DI)
MOVQ CX,24(DI)
MOVQ R8,104(DI)
MOVQ 32(DI),SI
MOVQ 112(DI),DX
MOVQ 40(DI),CX
MOVQ 120(DI),R8
MOVQ SI,R9
CMOVQEQ DX,SI
CMOVQEQ R9,DX
MOVQ CX,R9
CMOVQEQ R8,CX
CMOVQEQ R9,R8
MOVQ SI,32(DI)
MOVQ DX,112(DI)
MOVQ CX,40(DI)
MOVQ R8,120(DI)
MOVQ 48(DI),SI
MOVQ 128(DI),DX
MOVQ 56(DI),CX
MOVQ 136(DI),R8
MOVQ SI,R9
CMOVQEQ DX,SI
CMOVQEQ R9,DX
MOVQ CX,R9
CMOVQEQ R8,CX
CMOVQEQ R9,R8
MOVQ SI,48(DI)
MOVQ DX,128(DI)
MOVQ CX,56(DI)
MOVQ R8,136(DI)
MOVQ 64(DI),SI
MOVQ 144(DI),DX
MOVQ 72(DI),CX
MOVQ 152(DI),R8
MOVQ SI,R9
CMOVQEQ DX,SI
CMOVQEQ R9,DX
MOVQ CX,R9
CMOVQEQ R8,CX
CMOVQEQ R9,R8
MOVQ SI,64(DI)
MOVQ DX,144(DI)
MOVQ CX,72(DI)
MOVQ R8,152(DI)
MOVQ DI,AX
MOVQ SI,DX
RET

841
vendor/golang.org/x/crypto/curve25519/curve25519.go generated vendored Normal file
View file

@ -0,0 +1,841 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// We have a implementation in amd64 assembly so this code is only run on
// non-amd64 platforms. The amd64 assembly does not support gccgo.
// +build !amd64 gccgo appengine
package curve25519
// This code is a port of the public domain, "ref10" implementation of
// curve25519 from SUPERCOP 20130419 by D. J. Bernstein.
// fieldElement represents an element of the field GF(2^255 - 19). An element
// t, entries t[0]...t[9], represents the integer t[0]+2^26 t[1]+2^51 t[2]+2^77
// t[3]+2^102 t[4]+...+2^230 t[9]. Bounds on each t[i] vary depending on
// context.
type fieldElement [10]int32
func feZero(fe *fieldElement) {
for i := range fe {
fe[i] = 0
}
}
func feOne(fe *fieldElement) {
feZero(fe)
fe[0] = 1
}
func feAdd(dst, a, b *fieldElement) {
for i := range dst {
dst[i] = a[i] + b[i]
}
}
func feSub(dst, a, b *fieldElement) {
for i := range dst {
dst[i] = a[i] - b[i]
}
}
func feCopy(dst, src *fieldElement) {
for i := range dst {
dst[i] = src[i]
}
}
// feCSwap replaces (f,g) with (g,f) if b == 1; replaces (f,g) with (f,g) if b == 0.
//
// Preconditions: b in {0,1}.
func feCSwap(f, g *fieldElement, b int32) {
var x fieldElement
b = -b
for i := range x {
x[i] = b & (f[i] ^ g[i])
}
for i := range f {
f[i] ^= x[i]
}
for i := range g {
g[i] ^= x[i]
}
}
// load3 reads a 24-bit, little-endian value from in.
func load3(in []byte) int64 {
var r int64
r = int64(in[0])
r |= int64(in[1]) << 8
r |= int64(in[2]) << 16
return r
}
// load4 reads a 32-bit, little-endian value from in.
func load4(in []byte) int64 {
var r int64
r = int64(in[0])
r |= int64(in[1]) << 8
r |= int64(in[2]) << 16
r |= int64(in[3]) << 24
return r
}
func feFromBytes(dst *fieldElement, src *[32]byte) {
h0 := load4(src[:])
h1 := load3(src[4:]) << 6
h2 := load3(src[7:]) << 5
h3 := load3(src[10:]) << 3
h4 := load3(src[13:]) << 2
h5 := load4(src[16:])
h6 := load3(src[20:]) << 7
h7 := load3(src[23:]) << 5
h8 := load3(src[26:]) << 4
h9 := load3(src[29:]) << 2
var carry [10]int64
carry[9] = (h9 + 1<<24) >> 25
h0 += carry[9] * 19
h9 -= carry[9] << 25
carry[1] = (h1 + 1<<24) >> 25
h2 += carry[1]
h1 -= carry[1] << 25
carry[3] = (h3 + 1<<24) >> 25
h4 += carry[3]
h3 -= carry[3] << 25
carry[5] = (h5 + 1<<24) >> 25
h6 += carry[5]
h5 -= carry[5] << 25
carry[7] = (h7 + 1<<24) >> 25
h8 += carry[7]
h7 -= carry[7] << 25
carry[0] = (h0 + 1<<25) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
carry[2] = (h2 + 1<<25) >> 26
h3 += carry[2]
h2 -= carry[2] << 26
carry[4] = (h4 + 1<<25) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
carry[6] = (h6 + 1<<25) >> 26
h7 += carry[6]
h6 -= carry[6] << 26
carry[8] = (h8 + 1<<25) >> 26
h9 += carry[8]
h8 -= carry[8] << 26
dst[0] = int32(h0)
dst[1] = int32(h1)
dst[2] = int32(h2)
dst[3] = int32(h3)
dst[4] = int32(h4)
dst[5] = int32(h5)
dst[6] = int32(h6)
dst[7] = int32(h7)
dst[8] = int32(h8)
dst[9] = int32(h9)
}
// feToBytes marshals h to s.
// Preconditions:
// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
//
// Write p=2^255-19; q=floor(h/p).
// Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))).
//
// Proof:
// Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4.
// Also have |h-2^230 h9|<2^230 so |19 2^(-255)(h-2^230 h9)|<1/4.
//
// Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9).
// Then 0<y<1.
//
// Write r=h-pq.
// Have 0<=r<=p-1=2^255-20.
// Thus 0<=r+19(2^-255)r<r+19(2^-255)2^255<=2^255-1.
//
// Write x=r+19(2^-255)r+y.
// Then 0<x<2^255 so floor(2^(-255)x) = 0 so floor(q+2^(-255)x) = q.
//
// Have q+2^(-255)x = 2^(-255)(h + 19 2^(-25) h9 + 2^(-1))
// so floor(2^(-255)(h + 19 2^(-25) h9 + 2^(-1))) = q.
func feToBytes(s *[32]byte, h *fieldElement) {
var carry [10]int32
q := (19*h[9] + (1 << 24)) >> 25
q = (h[0] + q) >> 26
q = (h[1] + q) >> 25
q = (h[2] + q) >> 26
q = (h[3] + q) >> 25
q = (h[4] + q) >> 26
q = (h[5] + q) >> 25
q = (h[6] + q) >> 26
q = (h[7] + q) >> 25
q = (h[8] + q) >> 26
q = (h[9] + q) >> 25
// Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20.
h[0] += 19 * q
// Goal: Output h-2^255 q, which is between 0 and 2^255-20.
carry[0] = h[0] >> 26
h[1] += carry[0]
h[0] -= carry[0] << 26
carry[1] = h[1] >> 25
h[2] += carry[1]
h[1] -= carry[1] << 25
carry[2] = h[2] >> 26
h[3] += carry[2]
h[2] -= carry[2] << 26
carry[3] = h[3] >> 25
h[4] += carry[3]
h[3] -= carry[3] << 25
carry[4] = h[4] >> 26
h[5] += carry[4]
h[4] -= carry[4] << 26
carry[5] = h[5] >> 25
h[6] += carry[5]
h[5] -= carry[5] << 25
carry[6] = h[6] >> 26
h[7] += carry[6]
h[6] -= carry[6] << 26
carry[7] = h[7] >> 25
h[8] += carry[7]
h[7] -= carry[7] << 25
carry[8] = h[8] >> 26
h[9] += carry[8]
h[8] -= carry[8] << 26
carry[9] = h[9] >> 25
h[9] -= carry[9] << 25
// h10 = carry9
// Goal: Output h[0]+...+2^255 h10-2^255 q, which is between 0 and 2^255-20.
// Have h[0]+...+2^230 h[9] between 0 and 2^255-1;
// evidently 2^255 h10-2^255 q = 0.
// Goal: Output h[0]+...+2^230 h[9].
s[0] = byte(h[0] >> 0)
s[1] = byte(h[0] >> 8)
s[2] = byte(h[0] >> 16)
s[3] = byte((h[0] >> 24) | (h[1] << 2))
s[4] = byte(h[1] >> 6)
s[5] = byte(h[1] >> 14)
s[6] = byte((h[1] >> 22) | (h[2] << 3))
s[7] = byte(h[2] >> 5)
s[8] = byte(h[2] >> 13)
s[9] = byte((h[2] >> 21) | (h[3] << 5))
s[10] = byte(h[3] >> 3)
s[11] = byte(h[3] >> 11)
s[12] = byte((h[3] >> 19) | (h[4] << 6))
s[13] = byte(h[4] >> 2)
s[14] = byte(h[4] >> 10)
s[15] = byte(h[4] >> 18)
s[16] = byte(h[5] >> 0)
s[17] = byte(h[5] >> 8)
s[18] = byte(h[5] >> 16)
s[19] = byte((h[5] >> 24) | (h[6] << 1))
s[20] = byte(h[6] >> 7)
s[21] = byte(h[6] >> 15)
s[22] = byte((h[6] >> 23) | (h[7] << 3))
s[23] = byte(h[7] >> 5)
s[24] = byte(h[7] >> 13)
s[25] = byte((h[7] >> 21) | (h[8] << 4))
s[26] = byte(h[8] >> 4)
s[27] = byte(h[8] >> 12)
s[28] = byte((h[8] >> 20) | (h[9] << 6))
s[29] = byte(h[9] >> 2)
s[30] = byte(h[9] >> 10)
s[31] = byte(h[9] >> 18)
}
// feMul calculates h = f * g
// Can overlap h with f or g.
//
// Preconditions:
// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
// |g| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
//
// Postconditions:
// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
//
// Notes on implementation strategy:
//
// Using schoolbook multiplication.
// Karatsuba would save a little in some cost models.
//
// Most multiplications by 2 and 19 are 32-bit precomputations;
// cheaper than 64-bit postcomputations.
//
// There is one remaining multiplication by 19 in the carry chain;
// one *19 precomputation can be merged into this,
// but the resulting data flow is considerably less clean.
//
// There are 12 carries below.
// 10 of them are 2-way parallelizable and vectorizable.
// Can get away with 11 carries, but then data flow is much deeper.
//
// With tighter constraints on inputs can squeeze carries into int32.
func feMul(h, f, g *fieldElement) {
f0 := f[0]
f1 := f[1]
f2 := f[2]
f3 := f[3]
f4 := f[4]
f5 := f[5]
f6 := f[6]
f7 := f[7]
f8 := f[8]
f9 := f[9]
g0 := g[0]
g1 := g[1]
g2 := g[2]
g3 := g[3]
g4 := g[4]
g5 := g[5]
g6 := g[6]
g7 := g[7]
g8 := g[8]
g9 := g[9]
g1_19 := 19 * g1 // 1.4*2^29
g2_19 := 19 * g2 // 1.4*2^30; still ok
g3_19 := 19 * g3
g4_19 := 19 * g4
g5_19 := 19 * g5
g6_19 := 19 * g6
g7_19 := 19 * g7
g8_19 := 19 * g8
g9_19 := 19 * g9
f1_2 := 2 * f1
f3_2 := 2 * f3
f5_2 := 2 * f5
f7_2 := 2 * f7
f9_2 := 2 * f9
f0g0 := int64(f0) * int64(g0)
f0g1 := int64(f0) * int64(g1)
f0g2 := int64(f0) * int64(g2)
f0g3 := int64(f0) * int64(g3)
f0g4 := int64(f0) * int64(g4)
f0g5 := int64(f0) * int64(g5)
f0g6 := int64(f0) * int64(g6)
f0g7 := int64(f0) * int64(g7)
f0g8 := int64(f0) * int64(g8)
f0g9 := int64(f0) * int64(g9)
f1g0 := int64(f1) * int64(g0)
f1g1_2 := int64(f1_2) * int64(g1)
f1g2 := int64(f1) * int64(g2)
f1g3_2 := int64(f1_2) * int64(g3)
f1g4 := int64(f1) * int64(g4)
f1g5_2 := int64(f1_2) * int64(g5)
f1g6 := int64(f1) * int64(g6)
f1g7_2 := int64(f1_2) * int64(g7)
f1g8 := int64(f1) * int64(g8)
f1g9_38 := int64(f1_2) * int64(g9_19)
f2g0 := int64(f2) * int64(g0)
f2g1 := int64(f2) * int64(g1)
f2g2 := int64(f2) * int64(g2)
f2g3 := int64(f2) * int64(g3)
f2g4 := int64(f2) * int64(g4)
f2g5 := int64(f2) * int64(g5)
f2g6 := int64(f2) * int64(g6)
f2g7 := int64(f2) * int64(g7)
f2g8_19 := int64(f2) * int64(g8_19)
f2g9_19 := int64(f2) * int64(g9_19)
f3g0 := int64(f3) * int64(g0)
f3g1_2 := int64(f3_2) * int64(g1)
f3g2 := int64(f3) * int64(g2)
f3g3_2 := int64(f3_2) * int64(g3)
f3g4 := int64(f3) * int64(g4)
f3g5_2 := int64(f3_2) * int64(g5)
f3g6 := int64(f3) * int64(g6)
f3g7_38 := int64(f3_2) * int64(g7_19)
f3g8_19 := int64(f3) * int64(g8_19)
f3g9_38 := int64(f3_2) * int64(g9_19)
f4g0 := int64(f4) * int64(g0)
f4g1 := int64(f4) * int64(g1)
f4g2 := int64(f4) * int64(g2)
f4g3 := int64(f4) * int64(g3)
f4g4 := int64(f4) * int64(g4)
f4g5 := int64(f4) * int64(g5)
f4g6_19 := int64(f4) * int64(g6_19)
f4g7_19 := int64(f4) * int64(g7_19)
f4g8_19 := int64(f4) * int64(g8_19)
f4g9_19 := int64(f4) * int64(g9_19)
f5g0 := int64(f5) * int64(g0)
f5g1_2 := int64(f5_2) * int64(g1)
f5g2 := int64(f5) * int64(g2)
f5g3_2 := int64(f5_2) * int64(g3)
f5g4 := int64(f5) * int64(g4)
f5g5_38 := int64(f5_2) * int64(g5_19)
f5g6_19 := int64(f5) * int64(g6_19)
f5g7_38 := int64(f5_2) * int64(g7_19)
f5g8_19 := int64(f5) * int64(g8_19)
f5g9_38 := int64(f5_2) * int64(g9_19)
f6g0 := int64(f6) * int64(g0)
f6g1 := int64(f6) * int64(g1)
f6g2 := int64(f6) * int64(g2)
f6g3 := int64(f6) * int64(g3)
f6g4_19 := int64(f6) * int64(g4_19)
f6g5_19 := int64(f6) * int64(g5_19)
f6g6_19 := int64(f6) * int64(g6_19)
f6g7_19 := int64(f6) * int64(g7_19)
f6g8_19 := int64(f6) * int64(g8_19)
f6g9_19 := int64(f6) * int64(g9_19)
f7g0 := int64(f7) * int64(g0)
f7g1_2 := int64(f7_2) * int64(g1)
f7g2 := int64(f7) * int64(g2)
f7g3_38 := int64(f7_2) * int64(g3_19)
f7g4_19 := int64(f7) * int64(g4_19)
f7g5_38 := int64(f7_2) * int64(g5_19)
f7g6_19 := int64(f7) * int64(g6_19)
f7g7_38 := int64(f7_2) * int64(g7_19)
f7g8_19 := int64(f7) * int64(g8_19)
f7g9_38 := int64(f7_2) * int64(g9_19)
f8g0 := int64(f8) * int64(g0)
f8g1 := int64(f8) * int64(g1)
f8g2_19 := int64(f8) * int64(g2_19)
f8g3_19 := int64(f8) * int64(g3_19)
f8g4_19 := int64(f8) * int64(g4_19)
f8g5_19 := int64(f8) * int64(g5_19)
f8g6_19 := int64(f8) * int64(g6_19)
f8g7_19 := int64(f8) * int64(g7_19)
f8g8_19 := int64(f8) * int64(g8_19)
f8g9_19 := int64(f8) * int64(g9_19)
f9g0 := int64(f9) * int64(g0)
f9g1_38 := int64(f9_2) * int64(g1_19)
f9g2_19 := int64(f9) * int64(g2_19)
f9g3_38 := int64(f9_2) * int64(g3_19)
f9g4_19 := int64(f9) * int64(g4_19)
f9g5_38 := int64(f9_2) * int64(g5_19)
f9g6_19 := int64(f9) * int64(g6_19)
f9g7_38 := int64(f9_2) * int64(g7_19)
f9g8_19 := int64(f9) * int64(g8_19)
f9g9_38 := int64(f9_2) * int64(g9_19)
h0 := f0g0 + f1g9_38 + f2g8_19 + f3g7_38 + f4g6_19 + f5g5_38 + f6g4_19 + f7g3_38 + f8g2_19 + f9g1_38
h1 := f0g1 + f1g0 + f2g9_19 + f3g8_19 + f4g7_19 + f5g6_19 + f6g5_19 + f7g4_19 + f8g3_19 + f9g2_19
h2 := f0g2 + f1g1_2 + f2g0 + f3g9_38 + f4g8_19 + f5g7_38 + f6g6_19 + f7g5_38 + f8g4_19 + f9g3_38
h3 := f0g3 + f1g2 + f2g1 + f3g0 + f4g9_19 + f5g8_19 + f6g7_19 + f7g6_19 + f8g5_19 + f9g4_19
h4 := f0g4 + f1g3_2 + f2g2 + f3g1_2 + f4g0 + f5g9_38 + f6g8_19 + f7g7_38 + f8g6_19 + f9g5_38
h5 := f0g5 + f1g4 + f2g3 + f3g2 + f4g1 + f5g0 + f6g9_19 + f7g8_19 + f8g7_19 + f9g6_19
h6 := f0g6 + f1g5_2 + f2g4 + f3g3_2 + f4g2 + f5g1_2 + f6g0 + f7g9_38 + f8g8_19 + f9g7_38
h7 := f0g7 + f1g6 + f2g5 + f3g4 + f4g3 + f5g2 + f6g1 + f7g0 + f8g9_19 + f9g8_19
h8 := f0g8 + f1g7_2 + f2g6 + f3g5_2 + f4g4 + f5g3_2 + f6g2 + f7g1_2 + f8g0 + f9g9_38
h9 := f0g9 + f1g8 + f2g7 + f3g6 + f4g5 + f5g4 + f6g3 + f7g2 + f8g1 + f9g0
var carry [10]int64
// |h0| <= (1.1*1.1*2^52*(1+19+19+19+19)+1.1*1.1*2^50*(38+38+38+38+38))
// i.e. |h0| <= 1.2*2^59; narrower ranges for h2, h4, h6, h8
// |h1| <= (1.1*1.1*2^51*(1+1+19+19+19+19+19+19+19+19))
// i.e. |h1| <= 1.5*2^58; narrower ranges for h3, h5, h7, h9
carry[0] = (h0 + (1 << 25)) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
carry[4] = (h4 + (1 << 25)) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
// |h0| <= 2^25
// |h4| <= 2^25
// |h1| <= 1.51*2^58
// |h5| <= 1.51*2^58
carry[1] = (h1 + (1 << 24)) >> 25
h2 += carry[1]
h1 -= carry[1] << 25
carry[5] = (h5 + (1 << 24)) >> 25
h6 += carry[5]
h5 -= carry[5] << 25
// |h1| <= 2^24; from now on fits into int32
// |h5| <= 2^24; from now on fits into int32
// |h2| <= 1.21*2^59
// |h6| <= 1.21*2^59
carry[2] = (h2 + (1 << 25)) >> 26
h3 += carry[2]
h2 -= carry[2] << 26
carry[6] = (h6 + (1 << 25)) >> 26
h7 += carry[6]
h6 -= carry[6] << 26
// |h2| <= 2^25; from now on fits into int32 unchanged
// |h6| <= 2^25; from now on fits into int32 unchanged
// |h3| <= 1.51*2^58
// |h7| <= 1.51*2^58
carry[3] = (h3 + (1 << 24)) >> 25
h4 += carry[3]
h3 -= carry[3] << 25
carry[7] = (h7 + (1 << 24)) >> 25
h8 += carry[7]
h7 -= carry[7] << 25
// |h3| <= 2^24; from now on fits into int32 unchanged
// |h7| <= 2^24; from now on fits into int32 unchanged
// |h4| <= 1.52*2^33
// |h8| <= 1.52*2^33
carry[4] = (h4 + (1 << 25)) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
carry[8] = (h8 + (1 << 25)) >> 26
h9 += carry[8]
h8 -= carry[8] << 26
// |h4| <= 2^25; from now on fits into int32 unchanged
// |h8| <= 2^25; from now on fits into int32 unchanged
// |h5| <= 1.01*2^24
// |h9| <= 1.51*2^58
carry[9] = (h9 + (1 << 24)) >> 25
h0 += carry[9] * 19
h9 -= carry[9] << 25
// |h9| <= 2^24; from now on fits into int32 unchanged
// |h0| <= 1.8*2^37
carry[0] = (h0 + (1 << 25)) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
// |h0| <= 2^25; from now on fits into int32 unchanged
// |h1| <= 1.01*2^24
h[0] = int32(h0)
h[1] = int32(h1)
h[2] = int32(h2)
h[3] = int32(h3)
h[4] = int32(h4)
h[5] = int32(h5)
h[6] = int32(h6)
h[7] = int32(h7)
h[8] = int32(h8)
h[9] = int32(h9)
}
// feSquare calculates h = f*f. Can overlap h with f.
//
// Preconditions:
// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
//
// Postconditions:
// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
func feSquare(h, f *fieldElement) {
f0 := f[0]
f1 := f[1]
f2 := f[2]
f3 := f[3]
f4 := f[4]
f5 := f[5]
f6 := f[6]
f7 := f[7]
f8 := f[8]
f9 := f[9]
f0_2 := 2 * f0
f1_2 := 2 * f1
f2_2 := 2 * f2
f3_2 := 2 * f3
f4_2 := 2 * f4
f5_2 := 2 * f5
f6_2 := 2 * f6
f7_2 := 2 * f7
f5_38 := 38 * f5 // 1.31*2^30
f6_19 := 19 * f6 // 1.31*2^30
f7_38 := 38 * f7 // 1.31*2^30
f8_19 := 19 * f8 // 1.31*2^30
f9_38 := 38 * f9 // 1.31*2^30
f0f0 := int64(f0) * int64(f0)
f0f1_2 := int64(f0_2) * int64(f1)
f0f2_2 := int64(f0_2) * int64(f2)
f0f3_2 := int64(f0_2) * int64(f3)
f0f4_2 := int64(f0_2) * int64(f4)
f0f5_2 := int64(f0_2) * int64(f5)
f0f6_2 := int64(f0_2) * int64(f6)
f0f7_2 := int64(f0_2) * int64(f7)
f0f8_2 := int64(f0_2) * int64(f8)
f0f9_2 := int64(f0_2) * int64(f9)
f1f1_2 := int64(f1_2) * int64(f1)
f1f2_2 := int64(f1_2) * int64(f2)
f1f3_4 := int64(f1_2) * int64(f3_2)
f1f4_2 := int64(f1_2) * int64(f4)
f1f5_4 := int64(f1_2) * int64(f5_2)
f1f6_2 := int64(f1_2) * int64(f6)
f1f7_4 := int64(f1_2) * int64(f7_2)
f1f8_2 := int64(f1_2) * int64(f8)
f1f9_76 := int64(f1_2) * int64(f9_38)
f2f2 := int64(f2) * int64(f2)
f2f3_2 := int64(f2_2) * int64(f3)
f2f4_2 := int64(f2_2) * int64(f4)
f2f5_2 := int64(f2_2) * int64(f5)
f2f6_2 := int64(f2_2) * int64(f6)
f2f7_2 := int64(f2_2) * int64(f7)
f2f8_38 := int64(f2_2) * int64(f8_19)
f2f9_38 := int64(f2) * int64(f9_38)
f3f3_2 := int64(f3_2) * int64(f3)
f3f4_2 := int64(f3_2) * int64(f4)
f3f5_4 := int64(f3_2) * int64(f5_2)
f3f6_2 := int64(f3_2) * int64(f6)
f3f7_76 := int64(f3_2) * int64(f7_38)
f3f8_38 := int64(f3_2) * int64(f8_19)
f3f9_76 := int64(f3_2) * int64(f9_38)
f4f4 := int64(f4) * int64(f4)
f4f5_2 := int64(f4_2) * int64(f5)
f4f6_38 := int64(f4_2) * int64(f6_19)
f4f7_38 := int64(f4) * int64(f7_38)
f4f8_38 := int64(f4_2) * int64(f8_19)
f4f9_38 := int64(f4) * int64(f9_38)
f5f5_38 := int64(f5) * int64(f5_38)
f5f6_38 := int64(f5_2) * int64(f6_19)
f5f7_76 := int64(f5_2) * int64(f7_38)
f5f8_38 := int64(f5_2) * int64(f8_19)
f5f9_76 := int64(f5_2) * int64(f9_38)
f6f6_19 := int64(f6) * int64(f6_19)
f6f7_38 := int64(f6) * int64(f7_38)
f6f8_38 := int64(f6_2) * int64(f8_19)
f6f9_38 := int64(f6) * int64(f9_38)
f7f7_38 := int64(f7) * int64(f7_38)
f7f8_38 := int64(f7_2) * int64(f8_19)
f7f9_76 := int64(f7_2) * int64(f9_38)
f8f8_19 := int64(f8) * int64(f8_19)
f8f9_38 := int64(f8) * int64(f9_38)
f9f9_38 := int64(f9) * int64(f9_38)
h0 := f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38
h1 := f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38
h2 := f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19
h3 := f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38
h4 := f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38
h5 := f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38
h6 := f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19
h7 := f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38
h8 := f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38
h9 := f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2
var carry [10]int64
carry[0] = (h0 + (1 << 25)) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
carry[4] = (h4 + (1 << 25)) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
carry[1] = (h1 + (1 << 24)) >> 25
h2 += carry[1]
h1 -= carry[1] << 25
carry[5] = (h5 + (1 << 24)) >> 25
h6 += carry[5]
h5 -= carry[5] << 25
carry[2] = (h2 + (1 << 25)) >> 26
h3 += carry[2]
h2 -= carry[2] << 26
carry[6] = (h6 + (1 << 25)) >> 26
h7 += carry[6]
h6 -= carry[6] << 26
carry[3] = (h3 + (1 << 24)) >> 25
h4 += carry[3]
h3 -= carry[3] << 25
carry[7] = (h7 + (1 << 24)) >> 25
h8 += carry[7]
h7 -= carry[7] << 25
carry[4] = (h4 + (1 << 25)) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
carry[8] = (h8 + (1 << 25)) >> 26
h9 += carry[8]
h8 -= carry[8] << 26
carry[9] = (h9 + (1 << 24)) >> 25
h0 += carry[9] * 19
h9 -= carry[9] << 25
carry[0] = (h0 + (1 << 25)) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
h[0] = int32(h0)
h[1] = int32(h1)
h[2] = int32(h2)
h[3] = int32(h3)
h[4] = int32(h4)
h[5] = int32(h5)
h[6] = int32(h6)
h[7] = int32(h7)
h[8] = int32(h8)
h[9] = int32(h9)
}
// feMul121666 calculates h = f * 121666. Can overlap h with f.
//
// Preconditions:
// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
//
// Postconditions:
// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
func feMul121666(h, f *fieldElement) {
h0 := int64(f[0]) * 121666
h1 := int64(f[1]) * 121666
h2 := int64(f[2]) * 121666
h3 := int64(f[3]) * 121666
h4 := int64(f[4]) * 121666
h5 := int64(f[5]) * 121666
h6 := int64(f[6]) * 121666
h7 := int64(f[7]) * 121666
h8 := int64(f[8]) * 121666
h9 := int64(f[9]) * 121666
var carry [10]int64
carry[9] = (h9 + (1 << 24)) >> 25
h0 += carry[9] * 19
h9 -= carry[9] << 25
carry[1] = (h1 + (1 << 24)) >> 25
h2 += carry[1]
h1 -= carry[1] << 25
carry[3] = (h3 + (1 << 24)) >> 25
h4 += carry[3]
h3 -= carry[3] << 25
carry[5] = (h5 + (1 << 24)) >> 25
h6 += carry[5]
h5 -= carry[5] << 25
carry[7] = (h7 + (1 << 24)) >> 25
h8 += carry[7]
h7 -= carry[7] << 25
carry[0] = (h0 + (1 << 25)) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
carry[2] = (h2 + (1 << 25)) >> 26
h3 += carry[2]
h2 -= carry[2] << 26
carry[4] = (h4 + (1 << 25)) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
carry[6] = (h6 + (1 << 25)) >> 26
h7 += carry[6]
h6 -= carry[6] << 26
carry[8] = (h8 + (1 << 25)) >> 26
h9 += carry[8]
h8 -= carry[8] << 26
h[0] = int32(h0)
h[1] = int32(h1)
h[2] = int32(h2)
h[3] = int32(h3)
h[4] = int32(h4)
h[5] = int32(h5)
h[6] = int32(h6)
h[7] = int32(h7)
h[8] = int32(h8)
h[9] = int32(h9)
}
// feInvert sets out = z^-1.
func feInvert(out, z *fieldElement) {
var t0, t1, t2, t3 fieldElement
var i int
feSquare(&t0, z)
for i = 1; i < 1; i++ {
feSquare(&t0, &t0)
}
feSquare(&t1, &t0)
for i = 1; i < 2; i++ {
feSquare(&t1, &t1)
}
feMul(&t1, z, &t1)
feMul(&t0, &t0, &t1)
feSquare(&t2, &t0)
for i = 1; i < 1; i++ {
feSquare(&t2, &t2)
}
feMul(&t1, &t1, &t2)
feSquare(&t2, &t1)
for i = 1; i < 5; i++ {
feSquare(&t2, &t2)
}
feMul(&t1, &t2, &t1)
feSquare(&t2, &t1)
for i = 1; i < 10; i++ {
feSquare(&t2, &t2)
}
feMul(&t2, &t2, &t1)
feSquare(&t3, &t2)
for i = 1; i < 20; i++ {
feSquare(&t3, &t3)
}
feMul(&t2, &t3, &t2)
feSquare(&t2, &t2)
for i = 1; i < 10; i++ {
feSquare(&t2, &t2)
}
feMul(&t1, &t2, &t1)
feSquare(&t2, &t1)
for i = 1; i < 50; i++ {
feSquare(&t2, &t2)
}
feMul(&t2, &t2, &t1)
feSquare(&t3, &t2)
for i = 1; i < 100; i++ {
feSquare(&t3, &t3)
}
feMul(&t2, &t3, &t2)
feSquare(&t2, &t2)
for i = 1; i < 50; i++ {
feSquare(&t2, &t2)
}
feMul(&t1, &t2, &t1)
feSquare(&t1, &t1)
for i = 1; i < 5; i++ {
feSquare(&t1, &t1)
}
feMul(out, &t1, &t0)
}
func scalarMult(out, in, base *[32]byte) {
var e [32]byte
copy(e[:], in[:])
e[0] &= 248
e[31] &= 127
e[31] |= 64
var x1, x2, z2, x3, z3, tmp0, tmp1 fieldElement
feFromBytes(&x1, base)
feOne(&x2)
feCopy(&x3, &x1)
feOne(&z3)
swap := int32(0)
for pos := 254; pos >= 0; pos-- {
b := e[pos/8] >> uint(pos&7)
b &= 1
swap ^= int32(b)
feCSwap(&x2, &x3, swap)
feCSwap(&z2, &z3, swap)
swap = int32(b)
feSub(&tmp0, &x3, &z3)
feSub(&tmp1, &x2, &z2)
feAdd(&x2, &x2, &z2)
feAdd(&z2, &x3, &z3)
feMul(&z3, &tmp0, &x2)
feMul(&z2, &z2, &tmp1)
feSquare(&tmp0, &tmp1)
feSquare(&tmp1, &x2)
feAdd(&x3, &z3, &z2)
feSub(&z2, &z3, &z2)
feMul(&x2, &tmp1, &tmp0)
feSub(&tmp1, &tmp1, &tmp0)
feSquare(&z2, &z2)
feMul121666(&z3, &tmp1)
feSquare(&x3, &x3)
feAdd(&tmp0, &tmp0, &z3)
feMul(&z3, &x1, &z2)
feMul(&z2, &tmp1, &tmp0)
}
feCSwap(&x2, &x3, swap)
feCSwap(&z2, &z3, swap)
feInvert(&z2, &z2)
feMul(&x2, &x2, &z2)
feToBytes(out, &x2)
}

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vendor/golang.org/x/crypto/curve25519/curve25519_test.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package curve25519
import (
"fmt"
"testing"
)
const expectedHex = "89161fde887b2b53de549af483940106ecc114d6982daa98256de23bdf77661a"
func TestBaseScalarMult(t *testing.T) {
var a, b [32]byte
in := &a
out := &b
a[0] = 1
for i := 0; i < 200; i++ {
ScalarBaseMult(out, in)
in, out = out, in
}
result := fmt.Sprintf("%x", in[:])
if result != expectedHex {
t.Errorf("incorrect result: got %s, want %s", result, expectedHex)
}
}

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vendor/golang.org/x/crypto/curve25519/doc.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package curve25519 provides an implementation of scalar multiplication on
// the elliptic curve known as curve25519. See http://cr.yp.to/ecdh.html
package curve25519 // import "golang.org/x/crypto/curve25519"
// basePoint is the x coordinate of the generator of the curve.
var basePoint = [32]byte{9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
// ScalarMult sets dst to the product in*base where dst and base are the x
// coordinates of group points and all values are in little-endian form.
func ScalarMult(dst, in, base *[32]byte) {
scalarMult(dst, in, base)
}
// ScalarBaseMult sets dst to the product in*base where dst and base are the x
// coordinates of group points, base is the standard generator and all values
// are in little-endian form.
func ScalarBaseMult(dst, in *[32]byte) {
ScalarMult(dst, in, &basePoint)
}

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vendor/golang.org/x/crypto/curve25519/freeze_amd64.s generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
// func freeze(inout *[5]uint64)
TEXT ·freeze(SB),7,$96-8
MOVQ inout+0(FP), DI
MOVQ SP,R11
MOVQ $31,CX
NOTQ CX
ANDQ CX,SP
ADDQ $32,SP
MOVQ R11,0(SP)
MOVQ R12,8(SP)
MOVQ R13,16(SP)
MOVQ R14,24(SP)
MOVQ R15,32(SP)
MOVQ BX,40(SP)
MOVQ BP,48(SP)
MOVQ 0(DI),SI
MOVQ 8(DI),DX
MOVQ 16(DI),CX
MOVQ 24(DI),R8
MOVQ 32(DI),R9
MOVQ ·REDMASK51(SB),AX
MOVQ AX,R10
SUBQ $18,R10
MOVQ $3,R11
REDUCELOOP:
MOVQ SI,R12
SHRQ $51,R12
ANDQ AX,SI
ADDQ R12,DX
MOVQ DX,R12
SHRQ $51,R12
ANDQ AX,DX
ADDQ R12,CX
MOVQ CX,R12
SHRQ $51,R12
ANDQ AX,CX
ADDQ R12,R8
MOVQ R8,R12
SHRQ $51,R12
ANDQ AX,R8
ADDQ R12,R9
MOVQ R9,R12
SHRQ $51,R12
ANDQ AX,R9
IMUL3Q $19,R12,R12
ADDQ R12,SI
SUBQ $1,R11
JA REDUCELOOP
MOVQ $1,R12
CMPQ R10,SI
CMOVQLT R11,R12
CMPQ AX,DX
CMOVQNE R11,R12
CMPQ AX,CX
CMOVQNE R11,R12
CMPQ AX,R8
CMOVQNE R11,R12
CMPQ AX,R9
CMOVQNE R11,R12
NEGQ R12
ANDQ R12,AX
ANDQ R12,R10
SUBQ R10,SI
SUBQ AX,DX
SUBQ AX,CX
SUBQ AX,R8
SUBQ AX,R9
MOVQ SI,0(DI)
MOVQ DX,8(DI)
MOVQ CX,16(DI)
MOVQ R8,24(DI)
MOVQ R9,32(DI)
MOVQ 0(SP),R11
MOVQ 8(SP),R12
MOVQ 16(SP),R13
MOVQ 24(SP),R14
MOVQ 32(SP),R15
MOVQ 40(SP),BX
MOVQ 48(SP),BP
MOVQ R11,SP
MOVQ DI,AX
MOVQ SI,DX
RET

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vendor/golang.org/x/crypto/curve25519/ladderstep_amd64.s generated vendored Normal file
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vendor/golang.org/x/crypto/curve25519/mont25519_amd64.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build amd64,!gccgo,!appengine
package curve25519
// These functions are implemented in the .s files. The names of the functions
// in the rest of the file are also taken from the SUPERCOP sources to help
// people following along.
//go:noescape
func cswap(inout *[5]uint64, v uint64)
//go:noescape
func ladderstep(inout *[5][5]uint64)
//go:noescape
func freeze(inout *[5]uint64)
//go:noescape
func mul(dest, a, b *[5]uint64)
//go:noescape
func square(out, in *[5]uint64)
// mladder uses a Montgomery ladder to calculate (xr/zr) *= s.
func mladder(xr, zr *[5]uint64, s *[32]byte) {
var work [5][5]uint64
work[0] = *xr
setint(&work[1], 1)
setint(&work[2], 0)
work[3] = *xr
setint(&work[4], 1)
j := uint(6)
var prevbit byte
for i := 31; i >= 0; i-- {
for j < 8 {
bit := ((*s)[i] >> j) & 1
swap := bit ^ prevbit
prevbit = bit
cswap(&work[1], uint64(swap))
ladderstep(&work)
j--
}
j = 7
}
*xr = work[1]
*zr = work[2]
}
func scalarMult(out, in, base *[32]byte) {
var e [32]byte
copy(e[:], (*in)[:])
e[0] &= 248
e[31] &= 127
e[31] |= 64
var t, z [5]uint64
unpack(&t, base)
mladder(&t, &z, &e)
invert(&z, &z)
mul(&t, &t, &z)
pack(out, &t)
}
func setint(r *[5]uint64, v uint64) {
r[0] = v
r[1] = 0
r[2] = 0
r[3] = 0
r[4] = 0
}
// unpack sets r = x where r consists of 5, 51-bit limbs in little-endian
// order.
func unpack(r *[5]uint64, x *[32]byte) {
r[0] = uint64(x[0]) |
uint64(x[1])<<8 |
uint64(x[2])<<16 |
uint64(x[3])<<24 |
uint64(x[4])<<32 |
uint64(x[5])<<40 |
uint64(x[6]&7)<<48
r[1] = uint64(x[6])>>3 |
uint64(x[7])<<5 |
uint64(x[8])<<13 |
uint64(x[9])<<21 |
uint64(x[10])<<29 |
uint64(x[11])<<37 |
uint64(x[12]&63)<<45
r[2] = uint64(x[12])>>6 |
uint64(x[13])<<2 |
uint64(x[14])<<10 |
uint64(x[15])<<18 |
uint64(x[16])<<26 |
uint64(x[17])<<34 |
uint64(x[18])<<42 |
uint64(x[19]&1)<<50
r[3] = uint64(x[19])>>1 |
uint64(x[20])<<7 |
uint64(x[21])<<15 |
uint64(x[22])<<23 |
uint64(x[23])<<31 |
uint64(x[24])<<39 |
uint64(x[25]&15)<<47
r[4] = uint64(x[25])>>4 |
uint64(x[26])<<4 |
uint64(x[27])<<12 |
uint64(x[28])<<20 |
uint64(x[29])<<28 |
uint64(x[30])<<36 |
uint64(x[31]&127)<<44
}
// pack sets out = x where out is the usual, little-endian form of the 5,
// 51-bit limbs in x.
func pack(out *[32]byte, x *[5]uint64) {
t := *x
freeze(&t)
out[0] = byte(t[0])
out[1] = byte(t[0] >> 8)
out[2] = byte(t[0] >> 16)
out[3] = byte(t[0] >> 24)
out[4] = byte(t[0] >> 32)
out[5] = byte(t[0] >> 40)
out[6] = byte(t[0] >> 48)
out[6] ^= byte(t[1]<<3) & 0xf8
out[7] = byte(t[1] >> 5)
out[8] = byte(t[1] >> 13)
out[9] = byte(t[1] >> 21)
out[10] = byte(t[1] >> 29)
out[11] = byte(t[1] >> 37)
out[12] = byte(t[1] >> 45)
out[12] ^= byte(t[2]<<6) & 0xc0
out[13] = byte(t[2] >> 2)
out[14] = byte(t[2] >> 10)
out[15] = byte(t[2] >> 18)
out[16] = byte(t[2] >> 26)
out[17] = byte(t[2] >> 34)
out[18] = byte(t[2] >> 42)
out[19] = byte(t[2] >> 50)
out[19] ^= byte(t[3]<<1) & 0xfe
out[20] = byte(t[3] >> 7)
out[21] = byte(t[3] >> 15)
out[22] = byte(t[3] >> 23)
out[23] = byte(t[3] >> 31)
out[24] = byte(t[3] >> 39)
out[25] = byte(t[3] >> 47)
out[25] ^= byte(t[4]<<4) & 0xf0
out[26] = byte(t[4] >> 4)
out[27] = byte(t[4] >> 12)
out[28] = byte(t[4] >> 20)
out[29] = byte(t[4] >> 28)
out[30] = byte(t[4] >> 36)
out[31] = byte(t[4] >> 44)
}
// invert calculates r = x^-1 mod p using Fermat's little theorem.
func invert(r *[5]uint64, x *[5]uint64) {
var z2, z9, z11, z2_5_0, z2_10_0, z2_20_0, z2_50_0, z2_100_0, t [5]uint64
square(&z2, x) /* 2 */
square(&t, &z2) /* 4 */
square(&t, &t) /* 8 */
mul(&z9, &t, x) /* 9 */
mul(&z11, &z9, &z2) /* 11 */
square(&t, &z11) /* 22 */
mul(&z2_5_0, &t, &z9) /* 2^5 - 2^0 = 31 */
square(&t, &z2_5_0) /* 2^6 - 2^1 */
for i := 1; i < 5; i++ { /* 2^20 - 2^10 */
square(&t, &t)
}
mul(&z2_10_0, &t, &z2_5_0) /* 2^10 - 2^0 */
square(&t, &z2_10_0) /* 2^11 - 2^1 */
for i := 1; i < 10; i++ { /* 2^20 - 2^10 */
square(&t, &t)
}
mul(&z2_20_0, &t, &z2_10_0) /* 2^20 - 2^0 */
square(&t, &z2_20_0) /* 2^21 - 2^1 */
for i := 1; i < 20; i++ { /* 2^40 - 2^20 */
square(&t, &t)
}
mul(&t, &t, &z2_20_0) /* 2^40 - 2^0 */
square(&t, &t) /* 2^41 - 2^1 */
for i := 1; i < 10; i++ { /* 2^50 - 2^10 */
square(&t, &t)
}
mul(&z2_50_0, &t, &z2_10_0) /* 2^50 - 2^0 */
square(&t, &z2_50_0) /* 2^51 - 2^1 */
for i := 1; i < 50; i++ { /* 2^100 - 2^50 */
square(&t, &t)
}
mul(&z2_100_0, &t, &z2_50_0) /* 2^100 - 2^0 */
square(&t, &z2_100_0) /* 2^101 - 2^1 */
for i := 1; i < 100; i++ { /* 2^200 - 2^100 */
square(&t, &t)
}
mul(&t, &t, &z2_100_0) /* 2^200 - 2^0 */
square(&t, &t) /* 2^201 - 2^1 */
for i := 1; i < 50; i++ { /* 2^250 - 2^50 */
square(&t, &t)
}
mul(&t, &t, &z2_50_0) /* 2^250 - 2^0 */
square(&t, &t) /* 2^251 - 2^1 */
square(&t, &t) /* 2^252 - 2^2 */
square(&t, &t) /* 2^253 - 2^3 */
square(&t, &t) /* 2^254 - 2^4 */
square(&t, &t) /* 2^255 - 2^5 */
mul(r, &t, &z11) /* 2^255 - 21 */
}

191
vendor/golang.org/x/crypto/curve25519/mul_amd64.s generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
// func mul(dest, a, b *[5]uint64)
TEXT ·mul(SB),0,$128-24
MOVQ dest+0(FP), DI
MOVQ a+8(FP), SI
MOVQ b+16(FP), DX
MOVQ SP,R11
MOVQ $31,CX
NOTQ CX
ANDQ CX,SP
ADDQ $32,SP
MOVQ R11,0(SP)
MOVQ R12,8(SP)
MOVQ R13,16(SP)
MOVQ R14,24(SP)
MOVQ R15,32(SP)
MOVQ BX,40(SP)
MOVQ BP,48(SP)
MOVQ DI,56(SP)
MOVQ DX,CX
MOVQ 24(SI),DX
IMUL3Q $19,DX,AX
MOVQ AX,64(SP)
MULQ 16(CX)
MOVQ AX,R8
MOVQ DX,R9
MOVQ 32(SI),DX
IMUL3Q $19,DX,AX
MOVQ AX,72(SP)
MULQ 8(CX)
ADDQ AX,R8
ADCQ DX,R9
MOVQ 0(SI),AX
MULQ 0(CX)
ADDQ AX,R8
ADCQ DX,R9
MOVQ 0(SI),AX
MULQ 8(CX)
MOVQ AX,R10
MOVQ DX,R11
MOVQ 0(SI),AX
MULQ 16(CX)
MOVQ AX,R12
MOVQ DX,R13
MOVQ 0(SI),AX
MULQ 24(CX)
MOVQ AX,R14
MOVQ DX,R15
MOVQ 0(SI),AX
MULQ 32(CX)
MOVQ AX,BX
MOVQ DX,BP
MOVQ 8(SI),AX
MULQ 0(CX)
ADDQ AX,R10
ADCQ DX,R11
MOVQ 8(SI),AX
MULQ 8(CX)
ADDQ AX,R12
ADCQ DX,R13
MOVQ 8(SI),AX
MULQ 16(CX)
ADDQ AX,R14
ADCQ DX,R15
MOVQ 8(SI),AX
MULQ 24(CX)
ADDQ AX,BX
ADCQ DX,BP
MOVQ 8(SI),DX
IMUL3Q $19,DX,AX
MULQ 32(CX)
ADDQ AX,R8
ADCQ DX,R9
MOVQ 16(SI),AX
MULQ 0(CX)
ADDQ AX,R12
ADCQ DX,R13
MOVQ 16(SI),AX
MULQ 8(CX)
ADDQ AX,R14
ADCQ DX,R15
MOVQ 16(SI),AX
MULQ 16(CX)
ADDQ AX,BX
ADCQ DX,BP
MOVQ 16(SI),DX
IMUL3Q $19,DX,AX
MULQ 24(CX)
ADDQ AX,R8
ADCQ DX,R9
MOVQ 16(SI),DX
IMUL3Q $19,DX,AX
MULQ 32(CX)
ADDQ AX,R10
ADCQ DX,R11
MOVQ 24(SI),AX
MULQ 0(CX)
ADDQ AX,R14
ADCQ DX,R15
MOVQ 24(SI),AX
MULQ 8(CX)
ADDQ AX,BX
ADCQ DX,BP
MOVQ 64(SP),AX
MULQ 24(CX)
ADDQ AX,R10
ADCQ DX,R11
MOVQ 64(SP),AX
MULQ 32(CX)
ADDQ AX,R12
ADCQ DX,R13
MOVQ 32(SI),AX
MULQ 0(CX)
ADDQ AX,BX
ADCQ DX,BP
MOVQ 72(SP),AX
MULQ 16(CX)
ADDQ AX,R10
ADCQ DX,R11
MOVQ 72(SP),AX
MULQ 24(CX)
ADDQ AX,R12
ADCQ DX,R13
MOVQ 72(SP),AX
MULQ 32(CX)
ADDQ AX,R14
ADCQ DX,R15
MOVQ ·REDMASK51(SB),SI
SHLQ $13,R9:R8
ANDQ SI,R8
SHLQ $13,R11:R10
ANDQ SI,R10
ADDQ R9,R10
SHLQ $13,R13:R12
ANDQ SI,R12
ADDQ R11,R12
SHLQ $13,R15:R14
ANDQ SI,R14
ADDQ R13,R14
SHLQ $13,BP:BX
ANDQ SI,BX
ADDQ R15,BX
IMUL3Q $19,BP,DX
ADDQ DX,R8
MOVQ R8,DX
SHRQ $51,DX
ADDQ R10,DX
MOVQ DX,CX
SHRQ $51,DX
ANDQ SI,R8
ADDQ R12,DX
MOVQ DX,R9
SHRQ $51,DX
ANDQ SI,CX
ADDQ R14,DX
MOVQ DX,AX
SHRQ $51,DX
ANDQ SI,R9
ADDQ BX,DX
MOVQ DX,R10
SHRQ $51,DX
ANDQ SI,AX
IMUL3Q $19,DX,DX
ADDQ DX,R8
ANDQ SI,R10
MOVQ R8,0(DI)
MOVQ CX,8(DI)
MOVQ R9,16(DI)
MOVQ AX,24(DI)
MOVQ R10,32(DI)
MOVQ 0(SP),R11
MOVQ 8(SP),R12
MOVQ 16(SP),R13
MOVQ 24(SP),R14
MOVQ 32(SP),R15
MOVQ 40(SP),BX
MOVQ 48(SP),BP
MOVQ R11,SP
MOVQ DI,AX
MOVQ SI,DX
RET

153
vendor/golang.org/x/crypto/curve25519/square_amd64.s generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
// func square(out, in *[5]uint64)
TEXT ·square(SB),7,$96-16
MOVQ out+0(FP), DI
MOVQ in+8(FP), SI
MOVQ SP,R11
MOVQ $31,CX
NOTQ CX
ANDQ CX,SP
ADDQ $32, SP
MOVQ R11,0(SP)
MOVQ R12,8(SP)
MOVQ R13,16(SP)
MOVQ R14,24(SP)
MOVQ R15,32(SP)
MOVQ BX,40(SP)
MOVQ BP,48(SP)
MOVQ 0(SI),AX
MULQ 0(SI)
MOVQ AX,CX
MOVQ DX,R8
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 8(SI)
MOVQ AX,R9
MOVQ DX,R10
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 16(SI)
MOVQ AX,R11
MOVQ DX,R12
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 24(SI)
MOVQ AX,R13
MOVQ DX,R14
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 32(SI)
MOVQ AX,R15
MOVQ DX,BX
MOVQ 8(SI),AX
MULQ 8(SI)
ADDQ AX,R11
ADCQ DX,R12
MOVQ 8(SI),AX
SHLQ $1,AX
MULQ 16(SI)
ADDQ AX,R13
ADCQ DX,R14
MOVQ 8(SI),AX
SHLQ $1,AX
MULQ 24(SI)
ADDQ AX,R15
ADCQ DX,BX
MOVQ 8(SI),DX
IMUL3Q $38,DX,AX
MULQ 32(SI)
ADDQ AX,CX
ADCQ DX,R8
MOVQ 16(SI),AX
MULQ 16(SI)
ADDQ AX,R15
ADCQ DX,BX
MOVQ 16(SI),DX
IMUL3Q $38,DX,AX
MULQ 24(SI)
ADDQ AX,CX
ADCQ DX,R8
MOVQ 16(SI),DX
IMUL3Q $38,DX,AX
MULQ 32(SI)
ADDQ AX,R9
ADCQ DX,R10
MOVQ 24(SI),DX
IMUL3Q $19,DX,AX
MULQ 24(SI)
ADDQ AX,R9
ADCQ DX,R10
MOVQ 24(SI),DX
IMUL3Q $38,DX,AX
MULQ 32(SI)
ADDQ AX,R11
ADCQ DX,R12
MOVQ 32(SI),DX
IMUL3Q $19,DX,AX
MULQ 32(SI)
ADDQ AX,R13
ADCQ DX,R14
MOVQ ·REDMASK51(SB),SI
SHLQ $13,R8:CX
ANDQ SI,CX
SHLQ $13,R10:R9
ANDQ SI,R9
ADDQ R8,R9
SHLQ $13,R12:R11
ANDQ SI,R11
ADDQ R10,R11
SHLQ $13,R14:R13
ANDQ SI,R13
ADDQ R12,R13
SHLQ $13,BX:R15
ANDQ SI,R15
ADDQ R14,R15
IMUL3Q $19,BX,DX
ADDQ DX,CX
MOVQ CX,DX
SHRQ $51,DX
ADDQ R9,DX
ANDQ SI,CX
MOVQ DX,R8
SHRQ $51,DX
ADDQ R11,DX
ANDQ SI,R8
MOVQ DX,R9
SHRQ $51,DX
ADDQ R13,DX
ANDQ SI,R9
MOVQ DX,AX
SHRQ $51,DX
ADDQ R15,DX
ANDQ SI,AX
MOVQ DX,R10
SHRQ $51,DX
IMUL3Q $19,DX,DX
ADDQ DX,CX
ANDQ SI,R10
MOVQ CX,0(DI)
MOVQ R8,8(DI)
MOVQ R9,16(DI)
MOVQ AX,24(DI)
MOVQ R10,32(DI)
MOVQ 0(SP),R11
MOVQ 8(SP),R12
MOVQ 16(SP),R13
MOVQ 24(SP),R14
MOVQ 32(SP),R15
MOVQ 40(SP),BX
MOVQ 48(SP),BP
MOVQ R11,SP
MOVQ DI,AX
MOVQ SI,DX
RET

181
vendor/golang.org/x/crypto/ed25519/ed25519.go generated vendored Normal file
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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package ed25519 implements the Ed25519 signature algorithm. See
// http://ed25519.cr.yp.to/.
//
// These functions are also compatible with the “Ed25519” function defined in
// https://tools.ietf.org/html/draft-irtf-cfrg-eddsa-05.
package ed25519
// This code is a port of the public domain, “ref10” implementation of ed25519
// from SUPERCOP.
import (
"crypto"
cryptorand "crypto/rand"
"crypto/sha512"
"crypto/subtle"
"errors"
"io"
"strconv"
"golang.org/x/crypto/ed25519/internal/edwards25519"
)
const (
// PublicKeySize is the size, in bytes, of public keys as used in this package.
PublicKeySize = 32
// PrivateKeySize is the size, in bytes, of private keys as used in this package.
PrivateKeySize = 64
// SignatureSize is the size, in bytes, of signatures generated and verified by this package.
SignatureSize = 64
)
// PublicKey is the type of Ed25519 public keys.
type PublicKey []byte
// PrivateKey is the type of Ed25519 private keys. It implements crypto.Signer.
type PrivateKey []byte
// Public returns the PublicKey corresponding to priv.
func (priv PrivateKey) Public() crypto.PublicKey {
publicKey := make([]byte, PublicKeySize)
copy(publicKey, priv[32:])
return PublicKey(publicKey)
}
// Sign signs the given message with priv.
// Ed25519 performs two passes over messages to be signed and therefore cannot
// handle pre-hashed messages. Thus opts.HashFunc() must return zero to
// indicate the message hasn't been hashed. This can be achieved by passing
// crypto.Hash(0) as the value for opts.
func (priv PrivateKey) Sign(rand io.Reader, message []byte, opts crypto.SignerOpts) (signature []byte, err error) {
if opts.HashFunc() != crypto.Hash(0) {
return nil, errors.New("ed25519: cannot sign hashed message")
}
return Sign(priv, message), nil
}
// GenerateKey generates a public/private key pair using entropy from rand.
// If rand is nil, crypto/rand.Reader will be used.
func GenerateKey(rand io.Reader) (publicKey PublicKey, privateKey PrivateKey, err error) {
if rand == nil {
rand = cryptorand.Reader
}
privateKey = make([]byte, PrivateKeySize)
publicKey = make([]byte, PublicKeySize)
_, err = io.ReadFull(rand, privateKey[:32])
if err != nil {
return nil, nil, err
}
digest := sha512.Sum512(privateKey[:32])
digest[0] &= 248
digest[31] &= 127
digest[31] |= 64
var A edwards25519.ExtendedGroupElement
var hBytes [32]byte
copy(hBytes[:], digest[:])
edwards25519.GeScalarMultBase(&A, &hBytes)
var publicKeyBytes [32]byte
A.ToBytes(&publicKeyBytes)
copy(privateKey[32:], publicKeyBytes[:])
copy(publicKey, publicKeyBytes[:])
return publicKey, privateKey, nil
}
// Sign signs the message with privateKey and returns a signature. It will
// panic if len(privateKey) is not PrivateKeySize.
func Sign(privateKey PrivateKey, message []byte) []byte {
if l := len(privateKey); l != PrivateKeySize {
panic("ed25519: bad private key length: " + strconv.Itoa(l))
}
h := sha512.New()
h.Write(privateKey[:32])
var digest1, messageDigest, hramDigest [64]byte
var expandedSecretKey [32]byte
h.Sum(digest1[:0])
copy(expandedSecretKey[:], digest1[:])
expandedSecretKey[0] &= 248
expandedSecretKey[31] &= 63
expandedSecretKey[31] |= 64
h.Reset()
h.Write(digest1[32:])
h.Write(message)
h.Sum(messageDigest[:0])
var messageDigestReduced [32]byte
edwards25519.ScReduce(&messageDigestReduced, &messageDigest)
var R edwards25519.ExtendedGroupElement
edwards25519.GeScalarMultBase(&R, &messageDigestReduced)
var encodedR [32]byte
R.ToBytes(&encodedR)
h.Reset()
h.Write(encodedR[:])
h.Write(privateKey[32:])
h.Write(message)
h.Sum(hramDigest[:0])
var hramDigestReduced [32]byte
edwards25519.ScReduce(&hramDigestReduced, &hramDigest)
var s [32]byte
edwards25519.ScMulAdd(&s, &hramDigestReduced, &expandedSecretKey, &messageDigestReduced)
signature := make([]byte, SignatureSize)
copy(signature[:], encodedR[:])
copy(signature[32:], s[:])
return signature
}
// Verify reports whether sig is a valid signature of message by publicKey. It
// will panic if len(publicKey) is not PublicKeySize.
func Verify(publicKey PublicKey, message, sig []byte) bool {
if l := len(publicKey); l != PublicKeySize {
panic("ed25519: bad public key length: " + strconv.Itoa(l))
}
if len(sig) != SignatureSize || sig[63]&224 != 0 {
return false
}
var A edwards25519.ExtendedGroupElement
var publicKeyBytes [32]byte
copy(publicKeyBytes[:], publicKey)
if !A.FromBytes(&publicKeyBytes) {
return false
}
edwards25519.FeNeg(&A.X, &A.X)
edwards25519.FeNeg(&A.T, &A.T)
h := sha512.New()
h.Write(sig[:32])
h.Write(publicKey[:])
h.Write(message)
var digest [64]byte
h.Sum(digest[:0])
var hReduced [32]byte
edwards25519.ScReduce(&hReduced, &digest)
var R edwards25519.ProjectiveGroupElement
var b [32]byte
copy(b[:], sig[32:])
edwards25519.GeDoubleScalarMultVartime(&R, &hReduced, &A, &b)
var checkR [32]byte
R.ToBytes(&checkR)
return subtle.ConstantTimeCompare(sig[:32], checkR[:]) == 1
}

183
vendor/golang.org/x/crypto/ed25519/ed25519_test.go generated vendored Normal file
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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ed25519
import (
"bufio"
"bytes"
"compress/gzip"
"crypto"
"crypto/rand"
"encoding/hex"
"os"
"strings"
"testing"
"golang.org/x/crypto/ed25519/internal/edwards25519"
)
type zeroReader struct{}
func (zeroReader) Read(buf []byte) (int, error) {
for i := range buf {
buf[i] = 0
}
return len(buf), nil
}
func TestUnmarshalMarshal(t *testing.T) {
pub, _, _ := GenerateKey(rand.Reader)
var A edwards25519.ExtendedGroupElement
var pubBytes [32]byte
copy(pubBytes[:], pub)
if !A.FromBytes(&pubBytes) {
t.Fatalf("ExtendedGroupElement.FromBytes failed")
}
var pub2 [32]byte
A.ToBytes(&pub2)
if pubBytes != pub2 {
t.Errorf("FromBytes(%v)->ToBytes does not round-trip, got %x\n", pubBytes, pub2)
}
}
func TestSignVerify(t *testing.T) {
var zero zeroReader
public, private, _ := GenerateKey(zero)
message := []byte("test message")
sig := Sign(private, message)
if !Verify(public, message, sig) {
t.Errorf("valid signature rejected")
}
wrongMessage := []byte("wrong message")
if Verify(public, wrongMessage, sig) {
t.Errorf("signature of different message accepted")
}
}
func TestCryptoSigner(t *testing.T) {
var zero zeroReader
public, private, _ := GenerateKey(zero)
signer := crypto.Signer(private)
publicInterface := signer.Public()
public2, ok := publicInterface.(PublicKey)
if !ok {
t.Fatalf("expected PublicKey from Public() but got %T", publicInterface)
}
if !bytes.Equal(public, public2) {
t.Errorf("public keys do not match: original:%x vs Public():%x", public, public2)
}
message := []byte("message")
var noHash crypto.Hash
signature, err := signer.Sign(zero, message, noHash)
if err != nil {
t.Fatalf("error from Sign(): %s", err)
}
if !Verify(public, message, signature) {
t.Errorf("Verify failed on signature from Sign()")
}
}
func TestGolden(t *testing.T) {
// sign.input.gz is a selection of test cases from
// http://ed25519.cr.yp.to/python/sign.input
testDataZ, err := os.Open("testdata/sign.input.gz")
if err != nil {
t.Fatal(err)
}
defer testDataZ.Close()
testData, err := gzip.NewReader(testDataZ)
if err != nil {
t.Fatal(err)
}
defer testData.Close()
scanner := bufio.NewScanner(testData)
lineNo := 0
for scanner.Scan() {
lineNo++
line := scanner.Text()
parts := strings.Split(line, ":")
if len(parts) != 5 {
t.Fatalf("bad number of parts on line %d", lineNo)
}
privBytes, _ := hex.DecodeString(parts[0])
pubKey, _ := hex.DecodeString(parts[1])
msg, _ := hex.DecodeString(parts[2])
sig, _ := hex.DecodeString(parts[3])
// The signatures in the test vectors also include the message
// at the end, but we just want R and S.
sig = sig[:SignatureSize]
if l := len(pubKey); l != PublicKeySize {
t.Fatalf("bad public key length on line %d: got %d bytes", lineNo, l)
}
var priv [PrivateKeySize]byte
copy(priv[:], privBytes)
copy(priv[32:], pubKey)
sig2 := Sign(priv[:], msg)
if !bytes.Equal(sig, sig2[:]) {
t.Errorf("different signature result on line %d: %x vs %x", lineNo, sig, sig2)
}
if !Verify(pubKey, msg, sig2) {
t.Errorf("signature failed to verify on line %d", lineNo)
}
}
if err := scanner.Err(); err != nil {
t.Fatalf("error reading test data: %s", err)
}
}
func BenchmarkKeyGeneration(b *testing.B) {
var zero zeroReader
for i := 0; i < b.N; i++ {
if _, _, err := GenerateKey(zero); err != nil {
b.Fatal(err)
}
}
}
func BenchmarkSigning(b *testing.B) {
var zero zeroReader
_, priv, err := GenerateKey(zero)
if err != nil {
b.Fatal(err)
}
message := []byte("Hello, world!")
b.ResetTimer()
for i := 0; i < b.N; i++ {
Sign(priv, message)
}
}
func BenchmarkVerification(b *testing.B) {
var zero zeroReader
pub, priv, err := GenerateKey(zero)
if err != nil {
b.Fatal(err)
}
message := []byte("Hello, world!")
signature := Sign(priv, message)
b.ResetTimer()
for i := 0; i < b.N; i++ {
Verify(pub, message, signature)
}
}

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vendor/golang.org/x/crypto/ed25519/internal/edwards25519/const.go generated vendored Normal file
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vendor/golang.org/x/crypto/ed25519/internal/edwards25519/edwards25519.go generated vendored Normal file
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vendor/golang.org/x/crypto/ed25519/testdata/sign.input.gz generated vendored Normal file
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61
vendor/golang.org/x/crypto/hkdf/example_test.go generated vendored Normal file
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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package hkdf_test
import (
"bytes"
"crypto/rand"
"crypto/sha256"
"fmt"
"golang.org/x/crypto/hkdf"
"io"
)
// Usage example that expands one master key into three other cryptographically
// secure keys.
func Example_usage() {
// Underlying hash function to use
hash := sha256.New
// Cryptographically secure master key.
master := []byte{0x00, 0x01, 0x02, 0x03} // i.e. NOT this.
// Non secret salt, optional (can be nil)
// Recommended: hash-length sized random
salt := make([]byte, hash().Size())
n, err := io.ReadFull(rand.Reader, salt)
if n != len(salt) || err != nil {
fmt.Println("error:", err)
return
}
// Non secret context specific info, optional (can be nil).
// Note, independent from the master key.
info := []byte{0x03, 0x14, 0x15, 0x92, 0x65}
// Create the key derivation function
hkdf := hkdf.New(hash, master, salt, info)
// Generate the required keys
keys := make([][]byte, 3)
for i := 0; i < len(keys); i++ {
keys[i] = make([]byte, 24)
n, err := io.ReadFull(hkdf, keys[i])
if n != len(keys[i]) || err != nil {
fmt.Println("error:", err)
return
}
}
// Keys should contain 192 bit random keys
for i := 1; i <= len(keys); i++ {
fmt.Printf("Key #%d: %v\n", i, !bytes.Equal(keys[i-1], make([]byte, 24)))
}
// Output:
// Key #1: true
// Key #2: true
// Key #3: true
}

75
vendor/golang.org/x/crypto/hkdf/hkdf.go generated vendored Normal file
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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package hkdf implements the HMAC-based Extract-and-Expand Key Derivation
// Function (HKDF) as defined in RFC 5869.
//
// HKDF is a cryptographic key derivation function (KDF) with the goal of
// expanding limited input keying material into one or more cryptographically
// strong secret keys.
//
// RFC 5869: https://tools.ietf.org/html/rfc5869
package hkdf // import "golang.org/x/crypto/hkdf"
import (
"crypto/hmac"
"errors"
"hash"
"io"
)
type hkdf struct {
expander hash.Hash
size int
info []byte
counter byte
prev []byte
cache []byte
}
func (f *hkdf) Read(p []byte) (int, error) {
// Check whether enough data can be generated
need := len(p)
remains := len(f.cache) + int(255-f.counter+1)*f.size
if remains < need {
return 0, errors.New("hkdf: entropy limit reached")
}
// Read from the cache, if enough data is present
n := copy(p, f.cache)
p = p[n:]
// Fill the buffer
for len(p) > 0 {
f.expander.Reset()
f.expander.Write(f.prev)
f.expander.Write(f.info)
f.expander.Write([]byte{f.counter})
f.prev = f.expander.Sum(f.prev[:0])
f.counter++
// Copy the new batch into p
f.cache = f.prev
n = copy(p, f.cache)
p = p[n:]
}
// Save leftovers for next run
f.cache = f.cache[n:]
return need, nil
}
// New returns a new HKDF using the given hash, the secret keying material to expand
// and optional salt and info fields.
func New(hash func() hash.Hash, secret, salt, info []byte) io.Reader {
if salt == nil {
salt = make([]byte, hash().Size())
}
extractor := hmac.New(hash, salt)
extractor.Write(secret)
prk := extractor.Sum(nil)
return &hkdf{hmac.New(hash, prk), extractor.Size(), info, 1, nil, nil}
}

370
vendor/golang.org/x/crypto/hkdf/hkdf_test.go generated vendored Normal file
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@ -0,0 +1,370 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package hkdf
import (
"bytes"
"crypto/md5"
"crypto/sha1"
"crypto/sha256"
"crypto/sha512"
"hash"
"io"
"testing"
)
type hkdfTest struct {
hash func() hash.Hash
master []byte
salt []byte
info []byte
out []byte
}
var hkdfTests = []hkdfTest{
// Tests from RFC 5869
{
sha256.New,
[]byte{
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
},
[]byte{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c,
},
[]byte{
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9,
},
[]byte{
0x3c, 0xb2, 0x5f, 0x25, 0xfa, 0xac, 0xd5, 0x7a,
0x90, 0x43, 0x4f, 0x64, 0xd0, 0x36, 0x2f, 0x2a,
0x2d, 0x2d, 0x0a, 0x90, 0xcf, 0x1a, 0x5a, 0x4c,
0x5d, 0xb0, 0x2d, 0x56, 0xec, 0xc4, 0xc5, 0xbf,
0x34, 0x00, 0x72, 0x08, 0xd5, 0xb8, 0x87, 0x18,
0x58, 0x65,
},
},
{
sha256.New,
[]byte{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
},
[]byte{
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
},
[]byte{
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
},
[]byte{
0xb1, 0x1e, 0x39, 0x8d, 0xc8, 0x03, 0x27, 0xa1,
0xc8, 0xe7, 0xf7, 0x8c, 0x59, 0x6a, 0x49, 0x34,
0x4f, 0x01, 0x2e, 0xda, 0x2d, 0x4e, 0xfa, 0xd8,
0xa0, 0x50, 0xcc, 0x4c, 0x19, 0xaf, 0xa9, 0x7c,
0x59, 0x04, 0x5a, 0x99, 0xca, 0xc7, 0x82, 0x72,
0x71, 0xcb, 0x41, 0xc6, 0x5e, 0x59, 0x0e, 0x09,
0xda, 0x32, 0x75, 0x60, 0x0c, 0x2f, 0x09, 0xb8,
0x36, 0x77, 0x93, 0xa9, 0xac, 0xa3, 0xdb, 0x71,
0xcc, 0x30, 0xc5, 0x81, 0x79, 0xec, 0x3e, 0x87,
0xc1, 0x4c, 0x01, 0xd5, 0xc1, 0xf3, 0x43, 0x4f,
0x1d, 0x87,
},
},
{
sha256.New,
[]byte{
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
},
[]byte{},
[]byte{},
[]byte{
0x8d, 0xa4, 0xe7, 0x75, 0xa5, 0x63, 0xc1, 0x8f,
0x71, 0x5f, 0x80, 0x2a, 0x06, 0x3c, 0x5a, 0x31,
0xb8, 0xa1, 0x1f, 0x5c, 0x5e, 0xe1, 0x87, 0x9e,
0xc3, 0x45, 0x4e, 0x5f, 0x3c, 0x73, 0x8d, 0x2d,
0x9d, 0x20, 0x13, 0x95, 0xfa, 0xa4, 0xb6, 0x1a,
0x96, 0xc8,
},
},
{
sha1.New,
[]byte{
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
0x0b, 0x0b, 0x0b,
},
[]byte{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c,
},
[]byte{
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9,
},
[]byte{
0x08, 0x5a, 0x01, 0xea, 0x1b, 0x10, 0xf3, 0x69,
0x33, 0x06, 0x8b, 0x56, 0xef, 0xa5, 0xad, 0x81,
0xa4, 0xf1, 0x4b, 0x82, 0x2f, 0x5b, 0x09, 0x15,
0x68, 0xa9, 0xcd, 0xd4, 0xf1, 0x55, 0xfd, 0xa2,
0xc2, 0x2e, 0x42, 0x24, 0x78, 0xd3, 0x05, 0xf3,
0xf8, 0x96,
},
},
{
sha1.New,
[]byte{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
},
[]byte{
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
},
[]byte{
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
},
[]byte{
0x0b, 0xd7, 0x70, 0xa7, 0x4d, 0x11, 0x60, 0xf7,
0xc9, 0xf1, 0x2c, 0xd5, 0x91, 0x2a, 0x06, 0xeb,
0xff, 0x6a, 0xdc, 0xae, 0x89, 0x9d, 0x92, 0x19,
0x1f, 0xe4, 0x30, 0x56, 0x73, 0xba, 0x2f, 0xfe,
0x8f, 0xa3, 0xf1, 0xa4, 0xe5, 0xad, 0x79, 0xf3,
0xf3, 0x34, 0xb3, 0xb2, 0x02, 0xb2, 0x17, 0x3c,
0x48, 0x6e, 0xa3, 0x7c, 0xe3, 0xd3, 0x97, 0xed,
0x03, 0x4c, 0x7f, 0x9d, 0xfe, 0xb1, 0x5c, 0x5e,
0x92, 0x73, 0x36, 0xd0, 0x44, 0x1f, 0x4c, 0x43,
0x00, 0xe2, 0xcf, 0xf0, 0xd0, 0x90, 0x0b, 0x52,
0xd3, 0xb4,
},
},
{
sha1.New,
[]byte{
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
},
[]byte{},
[]byte{},
[]byte{
0x0a, 0xc1, 0xaf, 0x70, 0x02, 0xb3, 0xd7, 0x61,
0xd1, 0xe5, 0x52, 0x98, 0xda, 0x9d, 0x05, 0x06,
0xb9, 0xae, 0x52, 0x05, 0x72, 0x20, 0xa3, 0x06,
0xe0, 0x7b, 0x6b, 0x87, 0xe8, 0xdf, 0x21, 0xd0,
0xea, 0x00, 0x03, 0x3d, 0xe0, 0x39, 0x84, 0xd3,
0x49, 0x18,
},
},
{
sha1.New,
[]byte{
0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
},
nil,
[]byte{},
[]byte{
0x2c, 0x91, 0x11, 0x72, 0x04, 0xd7, 0x45, 0xf3,
0x50, 0x0d, 0x63, 0x6a, 0x62, 0xf6, 0x4f, 0x0a,
0xb3, 0xba, 0xe5, 0x48, 0xaa, 0x53, 0xd4, 0x23,
0xb0, 0xd1, 0xf2, 0x7e, 0xbb, 0xa6, 0xf5, 0xe5,
0x67, 0x3a, 0x08, 0x1d, 0x70, 0xcc, 0xe7, 0xac,
0xfc, 0x48,
},
},
}
func TestHKDF(t *testing.T) {
for i, tt := range hkdfTests {
hkdf := New(tt.hash, tt.master, tt.salt, tt.info)
out := make([]byte, len(tt.out))
n, err := io.ReadFull(hkdf, out)
if n != len(tt.out) || err != nil {
t.Errorf("test %d: not enough output bytes: %d.", i, n)
}
if !bytes.Equal(out, tt.out) {
t.Errorf("test %d: incorrect output: have %v, need %v.", i, out, tt.out)
}
}
}
func TestHKDFMultiRead(t *testing.T) {
for i, tt := range hkdfTests {
hkdf := New(tt.hash, tt.master, tt.salt, tt.info)
out := make([]byte, len(tt.out))
for b := 0; b < len(tt.out); b++ {
n, err := io.ReadFull(hkdf, out[b:b+1])
if n != 1 || err != nil {
t.Errorf("test %d.%d: not enough output bytes: have %d, need %d .", i, b, n, len(tt.out))
}
}
if !bytes.Equal(out, tt.out) {
t.Errorf("test %d: incorrect output: have %v, need %v.", i, out, tt.out)
}
}
}
func TestHKDFLimit(t *testing.T) {
hash := sha1.New
master := []byte{0x00, 0x01, 0x02, 0x03}
info := []byte{}
hkdf := New(hash, master, nil, info)
limit := hash().Size() * 255
out := make([]byte, limit)
// The maximum output bytes should be extractable
n, err := io.ReadFull(hkdf, out)
if n != limit || err != nil {
t.Errorf("not enough output bytes: %d, %v.", n, err)
}
// Reading one more should fail
n, err = io.ReadFull(hkdf, make([]byte, 1))
if n > 0 || err == nil {
t.Errorf("key expansion overflowed: n = %d, err = %v", n, err)
}
}
func Benchmark16ByteMD5Single(b *testing.B) {
benchmarkHKDFSingle(md5.New, 16, b)
}
func Benchmark20ByteSHA1Single(b *testing.B) {
benchmarkHKDFSingle(sha1.New, 20, b)
}
func Benchmark32ByteSHA256Single(b *testing.B) {
benchmarkHKDFSingle(sha256.New, 32, b)
}
func Benchmark64ByteSHA512Single(b *testing.B) {
benchmarkHKDFSingle(sha512.New, 64, b)
}
func Benchmark8ByteMD5Stream(b *testing.B) {
benchmarkHKDFStream(md5.New, 8, b)
}
func Benchmark16ByteMD5Stream(b *testing.B) {
benchmarkHKDFStream(md5.New, 16, b)
}
func Benchmark8ByteSHA1Stream(b *testing.B) {
benchmarkHKDFStream(sha1.New, 8, b)
}
func Benchmark20ByteSHA1Stream(b *testing.B) {
benchmarkHKDFStream(sha1.New, 20, b)
}
func Benchmark8ByteSHA256Stream(b *testing.B) {
benchmarkHKDFStream(sha256.New, 8, b)
}
func Benchmark32ByteSHA256Stream(b *testing.B) {
benchmarkHKDFStream(sha256.New, 32, b)
}
func Benchmark8ByteSHA512Stream(b *testing.B) {
benchmarkHKDFStream(sha512.New, 8, b)
}
func Benchmark64ByteSHA512Stream(b *testing.B) {
benchmarkHKDFStream(sha512.New, 64, b)
}
func benchmarkHKDFSingle(hasher func() hash.Hash, block int, b *testing.B) {
master := []byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}
salt := []byte{0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17}
info := []byte{0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27}
out := make([]byte, block)
b.SetBytes(int64(block))
b.ResetTimer()
for i := 0; i < b.N; i++ {
hkdf := New(hasher, master, salt, info)
io.ReadFull(hkdf, out)
}
}
func benchmarkHKDFStream(hasher func() hash.Hash, block int, b *testing.B) {
master := []byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}
salt := []byte{0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17}
info := []byte{0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27}
out := make([]byte, block)
b.SetBytes(int64(block))
b.ResetTimer()
hkdf := New(hasher, master, salt, info)
for i := 0; i < b.N; i++ {
_, err := io.ReadFull(hkdf, out)
if err != nil {
hkdf = New(hasher, master, salt, info)
i--
}
}
}

118
vendor/golang.org/x/crypto/md4/md4.go generated vendored Normal file
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@ -0,0 +1,118 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package md4 implements the MD4 hash algorithm as defined in RFC 1320.
package md4 // import "golang.org/x/crypto/md4"
import (
"crypto"
"hash"
)
func init() {
crypto.RegisterHash(crypto.MD4, New)
}
// The size of an MD4 checksum in bytes.
const Size = 16
// The blocksize of MD4 in bytes.
const BlockSize = 64
const (
_Chunk = 64
_Init0 = 0x67452301
_Init1 = 0xEFCDAB89
_Init2 = 0x98BADCFE
_Init3 = 0x10325476
)
// digest represents the partial evaluation of a checksum.
type digest struct {
s [4]uint32
x [_Chunk]byte
nx int
len uint64
}
func (d *digest) Reset() {
d.s[0] = _Init0
d.s[1] = _Init1
d.s[2] = _Init2
d.s[3] = _Init3
d.nx = 0
d.len = 0
}
// New returns a new hash.Hash computing the MD4 checksum.
func New() hash.Hash {
d := new(digest)
d.Reset()
return d
}
func (d *digest) Size() int { return Size }
func (d *digest) BlockSize() int { return BlockSize }
func (d *digest) Write(p []byte) (nn int, err error) {
nn = len(p)
d.len += uint64(nn)
if d.nx > 0 {
n := len(p)
if n > _Chunk-d.nx {
n = _Chunk - d.nx
}
for i := 0; i < n; i++ {
d.x[d.nx+i] = p[i]
}
d.nx += n
if d.nx == _Chunk {
_Block(d, d.x[0:])
d.nx = 0
}
p = p[n:]
}
n := _Block(d, p)
p = p[n:]
if len(p) > 0 {
d.nx = copy(d.x[:], p)
}
return
}
func (d0 *digest) Sum(in []byte) []byte {
// Make a copy of d0, so that caller can keep writing and summing.
d := new(digest)
*d = *d0
// Padding. Add a 1 bit and 0 bits until 56 bytes mod 64.
len := d.len
var tmp [64]byte
tmp[0] = 0x80
if len%64 < 56 {
d.Write(tmp[0 : 56-len%64])
} else {
d.Write(tmp[0 : 64+56-len%64])
}
// Length in bits.
len <<= 3
for i := uint(0); i < 8; i++ {
tmp[i] = byte(len >> (8 * i))
}
d.Write(tmp[0:8])
if d.nx != 0 {
panic("d.nx != 0")
}
for _, s := range d.s {
in = append(in, byte(s>>0))
in = append(in, byte(s>>8))
in = append(in, byte(s>>16))
in = append(in, byte(s>>24))
}
return in
}

71
vendor/golang.org/x/crypto/md4/md4_test.go generated vendored Normal file
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@ -0,0 +1,71 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package md4
import (
"fmt"
"io"
"testing"
)
type md4Test struct {
out string
in string
}
var golden = []md4Test{
{"31d6cfe0d16ae931b73c59d7e0c089c0", ""},
{"bde52cb31de33e46245e05fbdbd6fb24", "a"},
{"ec388dd78999dfc7cf4632465693b6bf", "ab"},
{"a448017aaf21d8525fc10ae87aa6729d", "abc"},
{"41decd8f579255c5200f86a4bb3ba740", "abcd"},
{"9803f4a34e8eb14f96adba49064a0c41", "abcde"},
{"804e7f1c2586e50b49ac65db5b645131", "abcdef"},
{"752f4adfe53d1da0241b5bc216d098fc", "abcdefg"},
{"ad9daf8d49d81988590a6f0e745d15dd", "abcdefgh"},
{"1e4e28b05464316b56402b3815ed2dfd", "abcdefghi"},
{"dc959c6f5d6f9e04e4380777cc964b3d", "abcdefghij"},
{"1b5701e265778898ef7de5623bbe7cc0", "Discard medicine more than two years old."},
{"d7f087e090fe7ad4a01cb59dacc9a572", "He who has a shady past knows that nice guys finish last."},
{"a6f8fd6df617c72837592fc3570595c9", "I wouldn't marry him with a ten foot pole."},
{"c92a84a9526da8abc240c05d6b1a1ce0", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"},
{"f6013160c4dcb00847069fee3bb09803", "The days of the digital watch are numbered. -Tom Stoppard"},
{"2c3bb64f50b9107ed57640fe94bec09f", "Nepal premier won't resign."},
{"45b7d8a32c7806f2f7f897332774d6e4", "For every action there is an equal and opposite government program."},
{"b5b4f9026b175c62d7654bdc3a1cd438", "His money is twice tainted: 'taint yours and 'taint mine."},
{"caf44e80f2c20ce19b5ba1cab766e7bd", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"},
{"191fae6707f496aa54a6bce9f2ecf74d", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"},
{"9ddc753e7a4ccee6081cd1b45b23a834", "size: a.out: bad magic"},
{"8d050f55b1cadb9323474564be08a521", "The major problem is with sendmail. -Mark Horton"},
{"ad6e2587f74c3e3cc19146f6127fa2e3", "Give me a rock, paper and scissors and I will move the world. CCFestoon"},
{"1d616d60a5fabe85589c3f1566ca7fca", "If the enemy is within range, then so are you."},
{"aec3326a4f496a2ced65a1963f84577f", "It's well we cannot hear the screams/That we create in others' dreams."},
{"77b4fd762d6b9245e61c50bf6ebf118b", "You remind me of a TV show, but that's all right: I watch it anyway."},
{"e8f48c726bae5e516f6ddb1a4fe62438", "C is as portable as Stonehedge!!"},
{"a3a84366e7219e887423b01f9be7166e", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"},
{"a6b7aa35157e984ef5d9b7f32e5fbb52", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule"},
{"75661f0545955f8f9abeeb17845f3fd6", "How can you write a big system without C++? -Paul Glick"},
}
func TestGolden(t *testing.T) {
for i := 0; i < len(golden); i++ {
g := golden[i]
c := New()
for j := 0; j < 3; j++ {
if j < 2 {
io.WriteString(c, g.in)
} else {
io.WriteString(c, g.in[0:len(g.in)/2])
c.Sum(nil)
io.WriteString(c, g.in[len(g.in)/2:])
}
s := fmt.Sprintf("%x", c.Sum(nil))
if s != g.out {
t.Fatalf("md4[%d](%s) = %s want %s", j, g.in, s, g.out)
}
c.Reset()
}
}
}

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vendor/golang.org/x/crypto/md4/md4block.go generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// MD4 block step.
// In its own file so that a faster assembly or C version
// can be substituted easily.
package md4
var shift1 = []uint{3, 7, 11, 19}
var shift2 = []uint{3, 5, 9, 13}
var shift3 = []uint{3, 9, 11, 15}
var xIndex2 = []uint{0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15}
var xIndex3 = []uint{0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15}
func _Block(dig *digest, p []byte) int {
a := dig.s[0]
b := dig.s[1]
c := dig.s[2]
d := dig.s[3]
n := 0
var X [16]uint32
for len(p) >= _Chunk {
aa, bb, cc, dd := a, b, c, d
j := 0
for i := 0; i < 16; i++ {
X[i] = uint32(p[j]) | uint32(p[j+1])<<8 | uint32(p[j+2])<<16 | uint32(p[j+3])<<24
j += 4
}
// If this needs to be made faster in the future,
// the usual trick is to unroll each of these
// loops by a factor of 4; that lets you replace
// the shift[] lookups with constants and,
// with suitable variable renaming in each
// unrolled body, delete the a, b, c, d = d, a, b, c
// (or you can let the optimizer do the renaming).
//
// The index variables are uint so that % by a power
// of two can be optimized easily by a compiler.
// Round 1.
for i := uint(0); i < 16; i++ {
x := i
s := shift1[i%4]
f := ((c ^ d) & b) ^ d
a += f + X[x]
a = a<<s | a>>(32-s)
a, b, c, d = d, a, b, c
}
// Round 2.
for i := uint(0); i < 16; i++ {
x := xIndex2[i]
s := shift2[i%4]
g := (b & c) | (b & d) | (c & d)
a += g + X[x] + 0x5a827999
a = a<<s | a>>(32-s)
a, b, c, d = d, a, b, c
}
// Round 3.
for i := uint(0); i < 16; i++ {
x := xIndex3[i]
s := shift3[i%4]
h := b ^ c ^ d
a += h + X[x] + 0x6ed9eba1
a = a<<s | a>>(32-s)
a, b, c, d = d, a, b, c
}
a += aa
b += bb
c += cc
d += dd
p = p[_Chunk:]
n += _Chunk
}
dig.s[0] = a
dig.s[1] = b
dig.s[2] = c
dig.s[3] = d
return n
}

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vendor/golang.org/x/crypto/nacl/box/box.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
/*
Package box authenticates and encrypts messages using public-key cryptography.
Box uses Curve25519, XSalsa20 and Poly1305 to encrypt and authenticate
messages. The length of messages is not hidden.
It is the caller's responsibility to ensure the uniqueness of nonces—for
example, by using nonce 1 for the first message, nonce 2 for the second
message, etc. Nonces are long enough that randomly generated nonces have
negligible risk of collision.
This package is interoperable with NaCl: http://nacl.cr.yp.to/box.html.
*/
package box // import "golang.org/x/crypto/nacl/box"
import (
"golang.org/x/crypto/curve25519"
"golang.org/x/crypto/nacl/secretbox"
"golang.org/x/crypto/salsa20/salsa"
"io"
)
// Overhead is the number of bytes of overhead when boxing a message.
const Overhead = secretbox.Overhead
// GenerateKey generates a new public/private key pair suitable for use with
// Seal and Open.
func GenerateKey(rand io.Reader) (publicKey, privateKey *[32]byte, err error) {
publicKey = new([32]byte)
privateKey = new([32]byte)
_, err = io.ReadFull(rand, privateKey[:])
if err != nil {
publicKey = nil
privateKey = nil
return
}
curve25519.ScalarBaseMult(publicKey, privateKey)
return
}
var zeros [16]byte
// Precompute calculates the shared key between peersPublicKey and privateKey
// and writes it to sharedKey. The shared key can be used with
// OpenAfterPrecomputation and SealAfterPrecomputation to speed up processing
// when using the same pair of keys repeatedly.
func Precompute(sharedKey, peersPublicKey, privateKey *[32]byte) {
curve25519.ScalarMult(sharedKey, privateKey, peersPublicKey)
salsa.HSalsa20(sharedKey, &zeros, sharedKey, &salsa.Sigma)
}
// Seal appends an encrypted and authenticated copy of message to out, which
// will be Overhead bytes longer than the original and must not overlap. The
// nonce must be unique for each distinct message for a given pair of keys.
func Seal(out, message []byte, nonce *[24]byte, peersPublicKey, privateKey *[32]byte) []byte {
var sharedKey [32]byte
Precompute(&sharedKey, peersPublicKey, privateKey)
return secretbox.Seal(out, message, nonce, &sharedKey)
}
// SealAfterPrecomputation performs the same actions as Seal, but takes a
// shared key as generated by Precompute.
func SealAfterPrecomputation(out, message []byte, nonce *[24]byte, sharedKey *[32]byte) []byte {
return secretbox.Seal(out, message, nonce, sharedKey)
}
// Open authenticates and decrypts a box produced by Seal and appends the
// message to out, which must not overlap box. The output will be Overhead
// bytes smaller than box.
func Open(out, box []byte, nonce *[24]byte, peersPublicKey, privateKey *[32]byte) ([]byte, bool) {
var sharedKey [32]byte
Precompute(&sharedKey, peersPublicKey, privateKey)
return secretbox.Open(out, box, nonce, &sharedKey)
}
// OpenAfterPrecomputation performs the same actions as Open, but takes a
// shared key as generated by Precompute.
func OpenAfterPrecomputation(out, box []byte, nonce *[24]byte, sharedKey *[32]byte) ([]byte, bool) {
return secretbox.Open(out, box, nonce, sharedKey)
}

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vendor/golang.org/x/crypto/nacl/box/box_test.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package box
import (
"bytes"
"crypto/rand"
"encoding/hex"
"testing"
"golang.org/x/crypto/curve25519"
)
func TestSealOpen(t *testing.T) {
publicKey1, privateKey1, _ := GenerateKey(rand.Reader)
publicKey2, privateKey2, _ := GenerateKey(rand.Reader)
if *privateKey1 == *privateKey2 {
t.Fatalf("private keys are equal!")
}
if *publicKey1 == *publicKey2 {
t.Fatalf("public keys are equal!")
}
message := []byte("test message")
var nonce [24]byte
box := Seal(nil, message, &nonce, publicKey1, privateKey2)
opened, ok := Open(nil, box, &nonce, publicKey2, privateKey1)
if !ok {
t.Fatalf("failed to open box")
}
if !bytes.Equal(opened, message) {
t.Fatalf("got %x, want %x", opened, message)
}
for i := range box {
box[i] ^= 0x40
_, ok := Open(nil, box, &nonce, publicKey2, privateKey1)
if ok {
t.Fatalf("opened box with byte %d corrupted", i)
}
box[i] ^= 0x40
}
}
func TestBox(t *testing.T) {
var privateKey1, privateKey2 [32]byte
for i := range privateKey1[:] {
privateKey1[i] = 1
}
for i := range privateKey2[:] {
privateKey2[i] = 2
}
var publicKey1 [32]byte
curve25519.ScalarBaseMult(&publicKey1, &privateKey1)
var message [64]byte
for i := range message[:] {
message[i] = 3
}
var nonce [24]byte
for i := range nonce[:] {
nonce[i] = 4
}
box := Seal(nil, message[:], &nonce, &publicKey1, &privateKey2)
// expected was generated using the C implementation of NaCl.
expected, _ := hex.DecodeString("78ea30b19d2341ebbdba54180f821eec265cf86312549bea8a37652a8bb94f07b78a73ed1708085e6ddd0e943bbdeb8755079a37eb31d86163ce241164a47629c0539f330b4914cd135b3855bc2a2dfc")
if !bytes.Equal(box, expected) {
t.Fatalf("box didn't match, got\n%x\n, expected\n%x", box, expected)
}
}

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vendor/golang.org/x/crypto/nacl/secretbox/secretbox.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
/*
Package secretbox encrypts and authenticates small messages.
Secretbox uses XSalsa20 and Poly1305 to encrypt and authenticate messages with
secret-key cryptography. The length of messages is not hidden.
It is the caller's responsibility to ensure the uniqueness of nonces—for
example, by using nonce 1 for the first message, nonce 2 for the second
message, etc. Nonces are long enough that randomly generated nonces have
negligible risk of collision.
This package is interoperable with NaCl: http://nacl.cr.yp.to/secretbox.html.
*/
package secretbox // import "golang.org/x/crypto/nacl/secretbox"
import (
"golang.org/x/crypto/poly1305"
"golang.org/x/crypto/salsa20/salsa"
)
// Overhead is the number of bytes of overhead when boxing a message.
const Overhead = poly1305.TagSize
// setup produces a sub-key and Salsa20 counter given a nonce and key.
func setup(subKey *[32]byte, counter *[16]byte, nonce *[24]byte, key *[32]byte) {
// We use XSalsa20 for encryption so first we need to generate a
// key and nonce with HSalsa20.
var hNonce [16]byte
copy(hNonce[:], nonce[:])
salsa.HSalsa20(subKey, &hNonce, key, &salsa.Sigma)
// The final 8 bytes of the original nonce form the new nonce.
copy(counter[:], nonce[16:])
}
// sliceForAppend takes a slice and a requested number of bytes. It returns a
// slice with the contents of the given slice followed by that many bytes and a
// second slice that aliases into it and contains only the extra bytes. If the
// original slice has sufficient capacity then no allocation is performed.
func sliceForAppend(in []byte, n int) (head, tail []byte) {
if total := len(in) + n; cap(in) >= total {
head = in[:total]
} else {
head = make([]byte, total)
copy(head, in)
}
tail = head[len(in):]
return
}
// Seal appends an encrypted and authenticated copy of message to out, which
// must not overlap message. The key and nonce pair must be unique for each
// distinct message and the output will be Overhead bytes longer than message.
func Seal(out, message []byte, nonce *[24]byte, key *[32]byte) []byte {
var subKey [32]byte
var counter [16]byte
setup(&subKey, &counter, nonce, key)
// The Poly1305 key is generated by encrypting 32 bytes of zeros. Since
// Salsa20 works with 64-byte blocks, we also generate 32 bytes of
// keystream as a side effect.
var firstBlock [64]byte
salsa.XORKeyStream(firstBlock[:], firstBlock[:], &counter, &subKey)
var poly1305Key [32]byte
copy(poly1305Key[:], firstBlock[:])
ret, out := sliceForAppend(out, len(message)+poly1305.TagSize)
// We XOR up to 32 bytes of message with the keystream generated from
// the first block.
firstMessageBlock := message
if len(firstMessageBlock) > 32 {
firstMessageBlock = firstMessageBlock[:32]
}
tagOut := out
out = out[poly1305.TagSize:]
for i, x := range firstMessageBlock {
out[i] = firstBlock[32+i] ^ x
}
message = message[len(firstMessageBlock):]
ciphertext := out
out = out[len(firstMessageBlock):]
// Now encrypt the rest.
counter[8] = 1
salsa.XORKeyStream(out, message, &counter, &subKey)
var tag [poly1305.TagSize]byte
poly1305.Sum(&tag, ciphertext, &poly1305Key)
copy(tagOut, tag[:])
return ret
}
// Open authenticates and decrypts a box produced by Seal and appends the
// message to out, which must not overlap box. The output will be Overhead
// bytes smaller than box.
func Open(out []byte, box []byte, nonce *[24]byte, key *[32]byte) ([]byte, bool) {
if len(box) < Overhead {
return nil, false
}
var subKey [32]byte
var counter [16]byte
setup(&subKey, &counter, nonce, key)
// The Poly1305 key is generated by encrypting 32 bytes of zeros. Since
// Salsa20 works with 64-byte blocks, we also generate 32 bytes of
// keystream as a side effect.
var firstBlock [64]byte
salsa.XORKeyStream(firstBlock[:], firstBlock[:], &counter, &subKey)
var poly1305Key [32]byte
copy(poly1305Key[:], firstBlock[:])
var tag [poly1305.TagSize]byte
copy(tag[:], box)
if !poly1305.Verify(&tag, box[poly1305.TagSize:], &poly1305Key) {
return nil, false
}
ret, out := sliceForAppend(out, len(box)-Overhead)
// We XOR up to 32 bytes of box with the keystream generated from
// the first block.
box = box[Overhead:]
firstMessageBlock := box
if len(firstMessageBlock) > 32 {
firstMessageBlock = firstMessageBlock[:32]
}
for i, x := range firstMessageBlock {
out[i] = firstBlock[32+i] ^ x
}
box = box[len(firstMessageBlock):]
out = out[len(firstMessageBlock):]
// Now decrypt the rest.
counter[8] = 1
salsa.XORKeyStream(out, box, &counter, &subKey)
return ret, true
}

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vendor/golang.org/x/crypto/nacl/secretbox/secretbox_test.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package secretbox
import (
"bytes"
"crypto/rand"
"encoding/hex"
"testing"
)
func TestSealOpen(t *testing.T) {
var key [32]byte
var nonce [24]byte
rand.Reader.Read(key[:])
rand.Reader.Read(nonce[:])
var box, opened []byte
for msgLen := 0; msgLen < 128; msgLen += 17 {
message := make([]byte, msgLen)
rand.Reader.Read(message)
box = Seal(box[:0], message, &nonce, &key)
var ok bool
opened, ok = Open(opened[:0], box, &nonce, &key)
if !ok {
t.Errorf("%d: failed to open box", msgLen)
continue
}
if !bytes.Equal(opened, message) {
t.Errorf("%d: got %x, expected %x", msgLen, opened, message)
continue
}
}
for i := range box {
box[i] ^= 0x20
_, ok := Open(opened[:0], box, &nonce, &key)
if ok {
t.Errorf("box was opened after corrupting byte %d", i)
}
box[i] ^= 0x20
}
}
func TestSecretBox(t *testing.T) {
var key [32]byte
var nonce [24]byte
var message [64]byte
for i := range key[:] {
key[i] = 1
}
for i := range nonce[:] {
nonce[i] = 2
}
for i := range message[:] {
message[i] = 3
}
box := Seal(nil, message[:], &nonce, &key)
// expected was generated using the C implementation of NaCl.
expected, _ := hex.DecodeString("8442bc313f4626f1359e3b50122b6ce6fe66ddfe7d39d14e637eb4fd5b45beadab55198df6ab5368439792a23c87db70acb6156dc5ef957ac04f6276cf6093b84be77ff0849cc33e34b7254d5a8f65ad")
if !bytes.Equal(box, expected) {
t.Fatalf("box didn't match, got\n%x\n, expected\n%x", box, expected)
}
}
func TestAppend(t *testing.T) {
var key [32]byte
var nonce [24]byte
var message [8]byte
out := make([]byte, 4)
box := Seal(out, message[:], &nonce, &key)
if !bytes.Equal(box[:4], out[:4]) {
t.Fatalf("Seal didn't correctly append")
}
out = make([]byte, 4, 100)
box = Seal(out, message[:], &nonce, &key)
if !bytes.Equal(box[:4], out[:4]) {
t.Fatalf("Seal didn't correctly append with sufficient capacity.")
}
}

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vendor/golang.org/x/crypto/ocsp/ocsp.go generated vendored Normal file
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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package ocsp parses OCSP responses as specified in RFC 2560. OCSP responses
// are signed messages attesting to the validity of a certificate for a small
// period of time. This is used to manage revocation for X.509 certificates.
package ocsp // import "golang.org/x/crypto/ocsp"
import (
"crypto"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"crypto/rsa"
"crypto/sha1"
"crypto/x509"
"crypto/x509/pkix"
"encoding/asn1"
"errors"
"math/big"
"strconv"
"time"
)
var idPKIXOCSPBasic = asn1.ObjectIdentifier([]int{1, 3, 6, 1, 5, 5, 7, 48, 1, 1})
// ResponseStatus contains the result of an OCSP request. See
// https://tools.ietf.org/html/rfc6960#section-2.3
type ResponseStatus int
const (
Success ResponseStatus = 0
Malformed ResponseStatus = 1
InternalError ResponseStatus = 2
TryLater ResponseStatus = 3
// Status code four is ununsed in OCSP. See
// https://tools.ietf.org/html/rfc6960#section-4.2.1
SignatureRequired ResponseStatus = 5
Unauthorized ResponseStatus = 6
)
func (r ResponseStatus) String() string {
switch r {
case Success:
return "success"
case Malformed:
return "malformed"
case InternalError:
return "internal error"
case TryLater:
return "try later"
case SignatureRequired:
return "signature required"
case Unauthorized:
return "unauthorized"
default:
return "unknown OCSP status: " + strconv.Itoa(int(r))
}
}
// ResponseError is an error that may be returned by ParseResponse to indicate
// that the response itself is an error, not just that its indicating that a
// certificate is revoked, unknown, etc.
type ResponseError struct {
Status ResponseStatus
}
func (r ResponseError) Error() string {
return "ocsp: error from server: " + r.Status.String()
}
// These are internal structures that reflect the ASN.1 structure of an OCSP
// response. See RFC 2560, section 4.2.
type certID struct {
HashAlgorithm pkix.AlgorithmIdentifier
NameHash []byte
IssuerKeyHash []byte
SerialNumber *big.Int
}
// https://tools.ietf.org/html/rfc2560#section-4.1.1
type ocspRequest struct {
TBSRequest tbsRequest
}
type tbsRequest struct {
Version int `asn1:"explicit,tag:0,default:0,optional"`
RequestorName pkix.RDNSequence `asn1:"explicit,tag:1,optional"`
RequestList []request
}
type request struct {
Cert certID
}
type responseASN1 struct {
Status asn1.Enumerated
Response responseBytes `asn1:"explicit,tag:0,optional"`
}
type responseBytes struct {
ResponseType asn1.ObjectIdentifier
Response []byte
}
type basicResponse struct {
TBSResponseData responseData
SignatureAlgorithm pkix.AlgorithmIdentifier
Signature asn1.BitString
Certificates []asn1.RawValue `asn1:"explicit,tag:0,optional"`
}
type responseData struct {
Raw asn1.RawContent
Version int `asn1:"optional,default:1,explicit,tag:0"`
RawResponderName asn1.RawValue `asn1:"optional,explicit,tag:1"`
KeyHash []byte `asn1:"optional,explicit,tag:2"`
ProducedAt time.Time `asn1:"generalized"`
Responses []singleResponse
}
type singleResponse struct {
CertID certID
Good asn1.Flag `asn1:"tag:0,optional"`
Revoked revokedInfo `asn1:"tag:1,optional"`
Unknown asn1.Flag `asn1:"tag:2,optional"`
ThisUpdate time.Time `asn1:"generalized"`
NextUpdate time.Time `asn1:"generalized,explicit,tag:0,optional"`
SingleExtensions []pkix.Extension `asn1:"explicit,tag:1,optional"`
}
type revokedInfo struct {
RevocationTime time.Time `asn1:"generalized"`
Reason asn1.Enumerated `asn1:"explicit,tag:0,optional"`
}
var (
oidSignatureMD2WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 2}
oidSignatureMD5WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 4}
oidSignatureSHA1WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 5}
oidSignatureSHA256WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 11}
oidSignatureSHA384WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 12}
oidSignatureSHA512WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 13}
oidSignatureDSAWithSHA1 = asn1.ObjectIdentifier{1, 2, 840, 10040, 4, 3}
oidSignatureDSAWithSHA256 = asn1.ObjectIdentifier{2, 16, 840, 1, 101, 3, 4, 3, 2}
oidSignatureECDSAWithSHA1 = asn1.ObjectIdentifier{1, 2, 840, 10045, 4, 1}
oidSignatureECDSAWithSHA256 = asn1.ObjectIdentifier{1, 2, 840, 10045, 4, 3, 2}
oidSignatureECDSAWithSHA384 = asn1.ObjectIdentifier{1, 2, 840, 10045, 4, 3, 3}
oidSignatureECDSAWithSHA512 = asn1.ObjectIdentifier{1, 2, 840, 10045, 4, 3, 4}
)
var hashOIDs = map[crypto.Hash]asn1.ObjectIdentifier{
crypto.SHA1: asn1.ObjectIdentifier([]int{1, 3, 14, 3, 2, 26}),
crypto.SHA256: asn1.ObjectIdentifier([]int{2, 16, 840, 1, 101, 3, 4, 2, 1}),
crypto.SHA384: asn1.ObjectIdentifier([]int{2, 16, 840, 1, 101, 3, 4, 2, 2}),
crypto.SHA512: asn1.ObjectIdentifier([]int{2, 16, 840, 1, 101, 3, 4, 2, 3}),
}
// TODO(rlb): This is also from crypto/x509, so same comment as AGL's below
var signatureAlgorithmDetails = []struct {
algo x509.SignatureAlgorithm
oid asn1.ObjectIdentifier
pubKeyAlgo x509.PublicKeyAlgorithm
hash crypto.Hash
}{
{x509.MD2WithRSA, oidSignatureMD2WithRSA, x509.RSA, crypto.Hash(0) /* no value for MD2 */},
{x509.MD5WithRSA, oidSignatureMD5WithRSA, x509.RSA, crypto.MD5},
{x509.SHA1WithRSA, oidSignatureSHA1WithRSA, x509.RSA, crypto.SHA1},
{x509.SHA256WithRSA, oidSignatureSHA256WithRSA, x509.RSA, crypto.SHA256},
{x509.SHA384WithRSA, oidSignatureSHA384WithRSA, x509.RSA, crypto.SHA384},
{x509.SHA512WithRSA, oidSignatureSHA512WithRSA, x509.RSA, crypto.SHA512},
{x509.DSAWithSHA1, oidSignatureDSAWithSHA1, x509.DSA, crypto.SHA1},
{x509.DSAWithSHA256, oidSignatureDSAWithSHA256, x509.DSA, crypto.SHA256},
{x509.ECDSAWithSHA1, oidSignatureECDSAWithSHA1, x509.ECDSA, crypto.SHA1},
{x509.ECDSAWithSHA256, oidSignatureECDSAWithSHA256, x509.ECDSA, crypto.SHA256},
{x509.ECDSAWithSHA384, oidSignatureECDSAWithSHA384, x509.ECDSA, crypto.SHA384},
{x509.ECDSAWithSHA512, oidSignatureECDSAWithSHA512, x509.ECDSA, crypto.SHA512},
}
// TODO(rlb): This is also from crypto/x509, so same comment as AGL's below
func signingParamsForPublicKey(pub interface{}, requestedSigAlgo x509.SignatureAlgorithm) (hashFunc crypto.Hash, sigAlgo pkix.AlgorithmIdentifier, err error) {
var pubType x509.PublicKeyAlgorithm
switch pub := pub.(type) {
case *rsa.PublicKey:
pubType = x509.RSA
hashFunc = crypto.SHA256
sigAlgo.Algorithm = oidSignatureSHA256WithRSA
sigAlgo.Parameters = asn1.RawValue{
Tag: 5,
}
case *ecdsa.PublicKey:
pubType = x509.ECDSA
switch pub.Curve {
case elliptic.P224(), elliptic.P256():
hashFunc = crypto.SHA256
sigAlgo.Algorithm = oidSignatureECDSAWithSHA256
case elliptic.P384():
hashFunc = crypto.SHA384
sigAlgo.Algorithm = oidSignatureECDSAWithSHA384
case elliptic.P521():
hashFunc = crypto.SHA512
sigAlgo.Algorithm = oidSignatureECDSAWithSHA512
default:
err = errors.New("x509: unknown elliptic curve")
}
default:
err = errors.New("x509: only RSA and ECDSA keys supported")
}
if err != nil {
return
}
if requestedSigAlgo == 0 {
return
}
found := false
for _, details := range signatureAlgorithmDetails {
if details.algo == requestedSigAlgo {
if details.pubKeyAlgo != pubType {
err = errors.New("x509: requested SignatureAlgorithm does not match private key type")
return
}
sigAlgo.Algorithm, hashFunc = details.oid, details.hash
if hashFunc == 0 {
err = errors.New("x509: cannot sign with hash function requested")
return
}
found = true
break
}
}
if !found {
err = errors.New("x509: unknown SignatureAlgorithm")
}
return
}
// TODO(agl): this is taken from crypto/x509 and so should probably be exported
// from crypto/x509 or crypto/x509/pkix.
func getSignatureAlgorithmFromOID(oid asn1.ObjectIdentifier) x509.SignatureAlgorithm {
for _, details := range signatureAlgorithmDetails {
if oid.Equal(details.oid) {
return details.algo
}
}
return x509.UnknownSignatureAlgorithm
}
// TODO(rlb): This is not taken from crypto/x509, but it's of the same general form.
func getHashAlgorithmFromOID(target asn1.ObjectIdentifier) crypto.Hash {
for hash, oid := range hashOIDs {
if oid.Equal(target) {
return hash
}
}
return crypto.Hash(0)
}
// This is the exposed reflection of the internal OCSP structures.
// The status values that can be expressed in OCSP. See RFC 6960.
const (
// Good means that the certificate is valid.
Good = iota
// Revoked means that the certificate has been deliberately revoked.
Revoked
// Unknown means that the OCSP responder doesn't know about the certificate.
Unknown
// ServerFailed is unused and was never used (see
// https://go-review.googlesource.com/#/c/18944). ParseResponse will
// return a ResponseError when an error response is parsed.
ServerFailed
)
// The enumerated reasons for revoking a certificate. See RFC 5280.
const (
Unspecified = iota
KeyCompromise = iota
CACompromise = iota
AffiliationChanged = iota
Superseded = iota
CessationOfOperation = iota
CertificateHold = iota
_ = iota
RemoveFromCRL = iota
PrivilegeWithdrawn = iota
AACompromise = iota
)
// Request represents an OCSP request. See RFC 6960.
type Request struct {
HashAlgorithm crypto.Hash
IssuerNameHash []byte
IssuerKeyHash []byte
SerialNumber *big.Int
}
// Response represents an OCSP response containing a single SingleResponse. See
// RFC 6960.
type Response struct {
// Status is one of {Good, Revoked, Unknown}
Status int
SerialNumber *big.Int
ProducedAt, ThisUpdate, NextUpdate, RevokedAt time.Time
RevocationReason int
Certificate *x509.Certificate
// TBSResponseData contains the raw bytes of the signed response. If
// Certificate is nil then this can be used to verify Signature.
TBSResponseData []byte
Signature []byte
SignatureAlgorithm x509.SignatureAlgorithm
// Extensions contains raw X.509 extensions from the singleExtensions field
// of the OCSP response. When parsing certificates, this can be used to
// extract non-critical extensions that are not parsed by this package. When
// marshaling OCSP responses, the Extensions field is ignored, see
// ExtraExtensions.
Extensions []pkix.Extension
// ExtraExtensions contains extensions to be copied, raw, into any marshaled
// OCSP response (in the singleExtensions field). Values override any
// extensions that would otherwise be produced based on the other fields. The
// ExtraExtensions field is not populated when parsing certificates, see
// Extensions.
ExtraExtensions []pkix.Extension
}
// These are pre-serialized error responses for the various non-success codes
// defined by OCSP. The Unauthorized code in particular can be used by an OCSP
// responder that supports only pre-signed responses as a response to requests
// for certificates with unknown status. See RFC 5019.
var (
MalformedRequestErrorResponse = []byte{0x30, 0x03, 0x0A, 0x01, 0x01}
InternalErrorErrorResponse = []byte{0x30, 0x03, 0x0A, 0x01, 0x02}
TryLaterErrorResponse = []byte{0x30, 0x03, 0x0A, 0x01, 0x03}
SigRequredErrorResponse = []byte{0x30, 0x03, 0x0A, 0x01, 0x05}
UnauthorizedErrorResponse = []byte{0x30, 0x03, 0x0A, 0x01, 0x06}
)
// CheckSignatureFrom checks that the signature in resp is a valid signature
// from issuer. This should only be used if resp.Certificate is nil. Otherwise,
// the OCSP response contained an intermediate certificate that created the
// signature. That signature is checked by ParseResponse and only
// resp.Certificate remains to be validated.
func (resp *Response) CheckSignatureFrom(issuer *x509.Certificate) error {
return issuer.CheckSignature(resp.SignatureAlgorithm, resp.TBSResponseData, resp.Signature)
}
// ParseError results from an invalid OCSP response.
type ParseError string
func (p ParseError) Error() string {
return string(p)
}
// ParseRequest parses an OCSP request in DER form. It only supports
// requests for a single certificate. Signed requests are not supported.
// If a request includes a signature, it will result in a ParseError.
func ParseRequest(bytes []byte) (*Request, error) {
var req ocspRequest
rest, err := asn1.Unmarshal(bytes, &req)
if err != nil {
return nil, err
}
if len(rest) > 0 {
return nil, ParseError("trailing data in OCSP request")
}
if len(req.TBSRequest.RequestList) == 0 {
return nil, ParseError("OCSP request contains no request body")
}
innerRequest := req.TBSRequest.RequestList[0]
hashFunc := getHashAlgorithmFromOID(innerRequest.Cert.HashAlgorithm.Algorithm)
if hashFunc == crypto.Hash(0) {
return nil, ParseError("OCSP request uses unknown hash function")
}
return &Request{
HashAlgorithm: hashFunc,
IssuerNameHash: innerRequest.Cert.NameHash,
IssuerKeyHash: innerRequest.Cert.IssuerKeyHash,
SerialNumber: innerRequest.Cert.SerialNumber,
}, nil
}
// ParseResponse parses an OCSP response in DER form. It only supports
// responses for a single certificate. If the response contains a certificate
// then the signature over the response is checked. If issuer is not nil then
// it will be used to validate the signature or embedded certificate.
//
// Invalid signatures or parse failures will result in a ParseError. Error
// responses will result in a ResponseError.
func ParseResponse(bytes []byte, issuer *x509.Certificate) (*Response, error) {
var resp responseASN1
rest, err := asn1.Unmarshal(bytes, &resp)
if err != nil {
return nil, err
}
if len(rest) > 0 {
return nil, ParseError("trailing data in OCSP response")
}
if status := ResponseStatus(resp.Status); status != Success {
return nil, ResponseError{status}
}
if !resp.Response.ResponseType.Equal(idPKIXOCSPBasic) {
return nil, ParseError("bad OCSP response type")
}
var basicResp basicResponse
rest, err = asn1.Unmarshal(resp.Response.Response, &basicResp)
if err != nil {
return nil, err
}
if len(basicResp.Certificates) > 1 {
return nil, ParseError("OCSP response contains bad number of certificates")
}
if len(basicResp.TBSResponseData.Responses) != 1 {
return nil, ParseError("OCSP response contains bad number of responses")
}
ret := &Response{
TBSResponseData: basicResp.TBSResponseData.Raw,
Signature: basicResp.Signature.RightAlign(),
SignatureAlgorithm: getSignatureAlgorithmFromOID(basicResp.SignatureAlgorithm.Algorithm),
}
if len(basicResp.Certificates) > 0 {
ret.Certificate, err = x509.ParseCertificate(basicResp.Certificates[0].FullBytes)
if err != nil {
return nil, err
}
if err := ret.CheckSignatureFrom(ret.Certificate); err != nil {
return nil, ParseError("bad OCSP signature")
}
if issuer != nil {
if err := issuer.CheckSignature(ret.Certificate.SignatureAlgorithm, ret.Certificate.RawTBSCertificate, ret.Certificate.Signature); err != nil {
return nil, ParseError("bad signature on embedded certificate")
}
}
} else if issuer != nil {
if err := ret.CheckSignatureFrom(issuer); err != nil {
return nil, ParseError("bad OCSP signature")
}
}
r := basicResp.TBSResponseData.Responses[0]
for _, ext := range r.SingleExtensions {
if ext.Critical {
return nil, ParseError("unsupported critical extension")
}
}
ret.Extensions = r.SingleExtensions
ret.SerialNumber = r.CertID.SerialNumber
switch {
case bool(r.Good):
ret.Status = Good
case bool(r.Unknown):
ret.Status = Unknown
default:
ret.Status = Revoked
ret.RevokedAt = r.Revoked.RevocationTime
ret.RevocationReason = int(r.Revoked.Reason)
}
ret.ProducedAt = basicResp.TBSResponseData.ProducedAt
ret.ThisUpdate = r.ThisUpdate
ret.NextUpdate = r.NextUpdate
return ret, nil
}
// RequestOptions contains options for constructing OCSP requests.
type RequestOptions struct {
// Hash contains the hash function that should be used when
// constructing the OCSP request. If zero, SHA-1 will be used.
Hash crypto.Hash
}
func (opts *RequestOptions) hash() crypto.Hash {
if opts == nil || opts.Hash == 0 {
// SHA-1 is nearly universally used in OCSP.
return crypto.SHA1
}
return opts.Hash
}
// CreateRequest returns a DER-encoded, OCSP request for the status of cert. If
// opts is nil then sensible defaults are used.
func CreateRequest(cert, issuer *x509.Certificate, opts *RequestOptions) ([]byte, error) {
hashFunc := opts.hash()
// OCSP seems to be the only place where these raw hash identifiers are
// used. I took the following from
// http://msdn.microsoft.com/en-us/library/ff635603.aspx
var hashOID asn1.ObjectIdentifier
hashOID, ok := hashOIDs[hashFunc]
if !ok {
return nil, x509.ErrUnsupportedAlgorithm
}
if !hashFunc.Available() {
return nil, x509.ErrUnsupportedAlgorithm
}
h := opts.hash().New()
var publicKeyInfo struct {
Algorithm pkix.AlgorithmIdentifier
PublicKey asn1.BitString
}
if _, err := asn1.Unmarshal(issuer.RawSubjectPublicKeyInfo, &publicKeyInfo); err != nil {
return nil, err
}
h.Write(publicKeyInfo.PublicKey.RightAlign())
issuerKeyHash := h.Sum(nil)
h.Reset()
h.Write(issuer.RawSubject)
issuerNameHash := h.Sum(nil)
return asn1.Marshal(ocspRequest{
tbsRequest{
Version: 0,
RequestList: []request{
{
Cert: certID{
pkix.AlgorithmIdentifier{
Algorithm: hashOID,
Parameters: asn1.RawValue{Tag: 5 /* ASN.1 NULL */},
},
issuerNameHash,
issuerKeyHash,
cert.SerialNumber,
},
},
},
},
})
}
// CreateResponse returns a DER-encoded OCSP response with the specified contents.
// The fields in the response are populated as follows:
//
// The responder cert is used to populate the ResponderName field, and the certificate
// itself is provided alongside the OCSP response signature.
//
// The issuer cert is used to puplate the IssuerNameHash and IssuerKeyHash fields.
// (SHA-1 is used for the hash function; this is not configurable.)
//
// The template is used to populate the SerialNumber, RevocationStatus, RevokedAt,
// RevocationReason, ThisUpdate, and NextUpdate fields.
//
// The ProducedAt date is automatically set to the current date, to the nearest minute.
func CreateResponse(issuer, responderCert *x509.Certificate, template Response, priv crypto.Signer) ([]byte, error) {
var publicKeyInfo struct {
Algorithm pkix.AlgorithmIdentifier
PublicKey asn1.BitString
}
if _, err := asn1.Unmarshal(issuer.RawSubjectPublicKeyInfo, &publicKeyInfo); err != nil {
return nil, err
}
h := sha1.New()
h.Write(publicKeyInfo.PublicKey.RightAlign())
issuerKeyHash := h.Sum(nil)
h.Reset()
h.Write(issuer.RawSubject)
issuerNameHash := h.Sum(nil)
innerResponse := singleResponse{
CertID: certID{
HashAlgorithm: pkix.AlgorithmIdentifier{
Algorithm: hashOIDs[crypto.SHA1],
Parameters: asn1.RawValue{Tag: 5 /* ASN.1 NULL */},
},
NameHash: issuerNameHash,
IssuerKeyHash: issuerKeyHash,
SerialNumber: template.SerialNumber,
},
ThisUpdate: template.ThisUpdate.UTC(),
NextUpdate: template.NextUpdate.UTC(),
SingleExtensions: template.ExtraExtensions,
}
switch template.Status {
case Good:
innerResponse.Good = true
case Unknown:
innerResponse.Unknown = true
case Revoked:
innerResponse.Revoked = revokedInfo{
RevocationTime: template.RevokedAt.UTC(),
Reason: asn1.Enumerated(template.RevocationReason),
}
}
responderName := asn1.RawValue{
Class: 2, // context-specific
Tag: 1, // explicit tag
IsCompound: true,
Bytes: responderCert.RawSubject,
}
tbsResponseData := responseData{
Version: 0,
RawResponderName: responderName,
ProducedAt: time.Now().Truncate(time.Minute).UTC(),
Responses: []singleResponse{innerResponse},
}
tbsResponseDataDER, err := asn1.Marshal(tbsResponseData)
if err != nil {
return nil, err
}
hashFunc, signatureAlgorithm, err := signingParamsForPublicKey(priv.Public(), template.SignatureAlgorithm)
if err != nil {
return nil, err
}
responseHash := hashFunc.New()
responseHash.Write(tbsResponseDataDER)
signature, err := priv.Sign(rand.Reader, responseHash.Sum(nil), hashFunc)
if err != nil {
return nil, err
}
response := basicResponse{
TBSResponseData: tbsResponseData,
SignatureAlgorithm: signatureAlgorithm,
Signature: asn1.BitString{
Bytes: signature,
BitLength: 8 * len(signature),
},
}
if template.Certificate != nil {
response.Certificates = []asn1.RawValue{
asn1.RawValue{FullBytes: template.Certificate.Raw},
}
}
responseDER, err := asn1.Marshal(response)
if err != nil {
return nil, err
}
return asn1.Marshal(responseASN1{
Status: asn1.Enumerated(Success),
Response: responseBytes{
ResponseType: idPKIXOCSPBasic,
Response: responseDER,
},
})
}

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vendor/golang.org/x/crypto/ocsp/ocsp_test.go generated vendored Normal file
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@ -0,0 +1,584 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ocsp
import (
"bytes"
"crypto"
"crypto/sha1"
"crypto/x509"
"crypto/x509/pkix"
"encoding/asn1"
"encoding/hex"
"math/big"
"reflect"
"testing"
"time"
)
func TestOCSPDecode(t *testing.T) {
responseBytes, _ := hex.DecodeString(ocspResponseHex)
resp, err := ParseResponse(responseBytes, nil)
if err != nil {
t.Error(err)
}
expected := Response{
Status: Good,
SerialNumber: big.NewInt(0x1d0fa),
RevocationReason: Unspecified,
ThisUpdate: time.Date(2010, 7, 7, 15, 1, 5, 0, time.UTC),
NextUpdate: time.Date(2010, 7, 7, 18, 35, 17, 0, time.UTC),
}
if !reflect.DeepEqual(resp.ThisUpdate, expected.ThisUpdate) {
t.Errorf("resp.ThisUpdate: got %d, want %d", resp.ThisUpdate, expected.ThisUpdate)
}
if !reflect.DeepEqual(resp.NextUpdate, expected.NextUpdate) {
t.Errorf("resp.NextUpdate: got %d, want %d", resp.NextUpdate, expected.NextUpdate)
}
if resp.Status != expected.Status {
t.Errorf("resp.Status: got %d, want %d", resp.Status, expected.Status)
}
if resp.SerialNumber.Cmp(expected.SerialNumber) != 0 {
t.Errorf("resp.SerialNumber: got %x, want %x", resp.SerialNumber, expected.SerialNumber)
}
if resp.RevocationReason != expected.RevocationReason {
t.Errorf("resp.RevocationReason: got %d, want %d", resp.RevocationReason, expected.RevocationReason)
}
}
func TestOCSPDecodeWithoutCert(t *testing.T) {
responseBytes, _ := hex.DecodeString(ocspResponseWithoutCertHex)
_, err := ParseResponse(responseBytes, nil)
if err != nil {
t.Error(err)
}
}
func TestOCSPDecodeWithExtensions(t *testing.T) {
responseBytes, _ := hex.DecodeString(ocspResponseWithCriticalExtensionHex)
_, err := ParseResponse(responseBytes, nil)
if err == nil {
t.Error(err)
}
responseBytes, _ = hex.DecodeString(ocspResponseWithExtensionHex)
response, err := ParseResponse(responseBytes, nil)
if err != nil {
t.Fatal(err)
}
if len(response.Extensions) != 1 {
t.Errorf("len(response.Extensions): got %v, want %v", len(response.Extensions), 1)
}
extensionBytes := response.Extensions[0].Value
expectedBytes, _ := hex.DecodeString(ocspExtensionValueHex)
if !bytes.Equal(extensionBytes, expectedBytes) {
t.Errorf("response.Extensions[0]: got %x, want %x", extensionBytes, expectedBytes)
}
}
func TestOCSPSignature(t *testing.T) {
issuerCert, _ := hex.DecodeString(startComHex)
issuer, err := x509.ParseCertificate(issuerCert)
if err != nil {
t.Fatal(err)
}
response, _ := hex.DecodeString(ocspResponseHex)
if _, err := ParseResponse(response, issuer); err != nil {
t.Error(err)
}
}
func TestOCSPRequest(t *testing.T) {
leafCert, _ := hex.DecodeString(leafCertHex)
cert, err := x509.ParseCertificate(leafCert)
if err != nil {
t.Fatal(err)
}
issuerCert, _ := hex.DecodeString(issuerCertHex)
issuer, err := x509.ParseCertificate(issuerCert)
if err != nil {
t.Fatal(err)
}
request, err := CreateRequest(cert, issuer, nil)
if err != nil {
t.Fatal(err)
}
expectedBytes, _ := hex.DecodeString(ocspRequestHex)
if !bytes.Equal(request, expectedBytes) {
t.Errorf("request: got %x, wanted %x", request, expectedBytes)
}
decodedRequest, err := ParseRequest(expectedBytes)
if err != nil {
t.Fatal(err)
}
if decodedRequest.HashAlgorithm != crypto.SHA1 {
t.Errorf("request.HashAlgorithm: got %v, want %v", decodedRequest.HashAlgorithm, crypto.SHA1)
}
var publicKeyInfo struct {
Algorithm pkix.AlgorithmIdentifier
PublicKey asn1.BitString
}
_, err = asn1.Unmarshal(issuer.RawSubjectPublicKeyInfo, &publicKeyInfo)
if err != nil {
t.Fatal(err)
}
h := sha1.New()
h.Write(publicKeyInfo.PublicKey.RightAlign())
issuerKeyHash := h.Sum(nil)
h.Reset()
h.Write(issuer.RawSubject)
issuerNameHash := h.Sum(nil)
if got := decodedRequest.IssuerKeyHash; !bytes.Equal(got, issuerKeyHash) {
t.Errorf("request.IssuerKeyHash: got %x, want %x", got, issuerKeyHash)
}
if got := decodedRequest.IssuerNameHash; !bytes.Equal(got, issuerNameHash) {
t.Errorf("request.IssuerKeyHash: got %x, want %x", got, issuerNameHash)
}
if got := decodedRequest.SerialNumber; got.Cmp(cert.SerialNumber) != 0 {
t.Errorf("request.SerialNumber: got %x, want %x", got, cert.SerialNumber)
}
}
func TestOCSPResponse(t *testing.T) {
leafCert, _ := hex.DecodeString(leafCertHex)
leaf, err := x509.ParseCertificate(leafCert)
if err != nil {
t.Fatal(err)
}
issuerCert, _ := hex.DecodeString(issuerCertHex)
issuer, err := x509.ParseCertificate(issuerCert)
if err != nil {
t.Fatal(err)
}
responderCert, _ := hex.DecodeString(responderCertHex)
responder, err := x509.ParseCertificate(responderCert)
if err != nil {
t.Fatal(err)
}
responderPrivateKeyDER, _ := hex.DecodeString(responderPrivateKeyHex)
responderPrivateKey, err := x509.ParsePKCS1PrivateKey(responderPrivateKeyDER)
if err != nil {
t.Fatal(err)
}
extensionBytes, _ := hex.DecodeString(ocspExtensionValueHex)
extensions := []pkix.Extension{
pkix.Extension{
Id: ocspExtensionOID,
Critical: false,
Value: extensionBytes,
},
}
producedAt := time.Now().Truncate(time.Minute)
thisUpdate := time.Date(2010, 7, 7, 15, 1, 5, 0, time.UTC)
nextUpdate := time.Date(2010, 7, 7, 18, 35, 17, 0, time.UTC)
template := Response{
Status: Revoked,
SerialNumber: leaf.SerialNumber,
ThisUpdate: thisUpdate,
NextUpdate: nextUpdate,
RevokedAt: thisUpdate,
RevocationReason: KeyCompromise,
Certificate: responder,
ExtraExtensions: extensions,
}
responseBytes, err := CreateResponse(issuer, responder, template, responderPrivateKey)
if err != nil {
t.Fatal(err)
}
resp, err := ParseResponse(responseBytes, nil)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(resp.ThisUpdate, template.ThisUpdate) {
t.Errorf("resp.ThisUpdate: got %d, want %d", resp.ThisUpdate, template.ThisUpdate)
}
if !reflect.DeepEqual(resp.NextUpdate, template.NextUpdate) {
t.Errorf("resp.NextUpdate: got %d, want %d", resp.NextUpdate, template.NextUpdate)
}
if !reflect.DeepEqual(resp.RevokedAt, template.RevokedAt) {
t.Errorf("resp.RevokedAt: got %d, want %d", resp.RevokedAt, template.RevokedAt)
}
if !reflect.DeepEqual(resp.Extensions, template.ExtraExtensions) {
t.Errorf("resp.Extensions: got %v, want %v", resp.Extensions, template.ExtraExtensions)
}
if !resp.ProducedAt.Equal(producedAt) {
t.Errorf("resp.ProducedAt: got %d, want %d", resp.ProducedAt, producedAt)
}
if resp.Status != template.Status {
t.Errorf("resp.Status: got %d, want %d", resp.Status, template.Status)
}
if resp.SerialNumber.Cmp(template.SerialNumber) != 0 {
t.Errorf("resp.SerialNumber: got %x, want %x", resp.SerialNumber, template.SerialNumber)
}
if resp.RevocationReason != template.RevocationReason {
t.Errorf("resp.RevocationReason: got %d, want %d", resp.RevocationReason, template.RevocationReason)
}
}
func TestErrorResponse(t *testing.T) {
responseBytes, _ := hex.DecodeString(errorResponseHex)
_, err := ParseResponse(responseBytes, nil)
respErr, ok := err.(ResponseError)
if !ok {
t.Fatalf("expected ResponseError from ParseResponse but got %#v", err)
}
if respErr.Status != Malformed {
t.Fatalf("expected Malformed status from ParseResponse but got %d", respErr.Status)
}
}
// This OCSP response was taken from Thawte's public OCSP responder.
// To recreate:
// $ openssl s_client -tls1 -showcerts -servername www.google.com -connect www.google.com:443
// Copy and paste the first certificate into /tmp/cert.crt and the second into
// /tmp/intermediate.crt
// $ openssl ocsp -issuer /tmp/intermediate.crt -cert /tmp/cert.crt -url http://ocsp.thawte.com -resp_text -respout /tmp/ocsp.der
// Then hex encode the result:
// $ python -c 'print file("/tmp/ocsp.der", "r").read().encode("hex")'
const ocspResponseHex = "308206bc0a0100a08206b5308206b106092b0601050507300101048206a23082069e3081" +
"c9a14e304c310b300906035504061302494c31163014060355040a130d5374617274436f" +
"6d204c74642e312530230603550403131c5374617274436f6d20436c6173732031204f43" +
"5350205369676e6572180f32303130303730373137333531375a30663064303c30090605" +
"2b0e03021a050004146568874f40750f016a3475625e1f5c93e5a26d580414eb4234d098" +
"b0ab9ff41b6b08f7cc642eef0e2c45020301d0fa8000180f323031303037303731353031" +
"30355aa011180f32303130303730373138333531375a300d06092a864886f70d01010505" +
"000382010100ab557ff070d1d7cebbb5f0ec91a15c3fed22eb2e1b8244f1b84545f013a4" +
"fb46214c5e3fbfbebb8a56acc2b9db19f68fd3c3201046b3824d5ba689f99864328710cb" +
"467195eb37d84f539e49f859316b32964dc3e47e36814ce94d6c56dd02733b1d0802f7ff" +
"4eebdbbd2927dcf580f16cbc290f91e81b53cb365e7223f1d6e20a88ea064104875e0145" +
"672b20fc14829d51ca122f5f5d77d3ad6c83889c55c7dc43680ba2fe3cef8b05dbcabdc0" +
"d3e09aaf9725597f8c858c2fa38c0d6aed2e6318194420dd1a1137445d13e1c97ab47896" +
"17a4e08925f46f867b72e3a4dc1f08cb870b2b0717f7207faa0ac512e628a029aba7457a" +
"e63dcf3281e2162d9349a08204ba308204b6308204b23082039aa003020102020101300d" +
"06092a864886f70d010105050030818c310b300906035504061302494c31163014060355" +
"040a130d5374617274436f6d204c74642e312b3029060355040b13225365637572652044" +
"69676974616c204365727469666963617465205369676e696e6731383036060355040313" +
"2f5374617274436f6d20436c6173732031205072696d61727920496e7465726d65646961" +
"746520536572766572204341301e170d3037313032353030323330365a170d3132313032" +
"333030323330365a304c310b300906035504061302494c31163014060355040a130d5374" +
"617274436f6d204c74642e312530230603550403131c5374617274436f6d20436c617373" +
"2031204f435350205369676e657230820122300d06092a864886f70d0101010500038201" +
"0f003082010a0282010100b9561b4c45318717178084e96e178df2255e18ed8d8ecc7c2b" +
"7b51a6c1c2e6bf0aa3603066f132fe10ae97b50e99fa24b83fc53dd2777496387d14e1c3" +
"a9b6a4933e2ac12413d085570a95b8147414a0bc007c7bcf222446ef7f1a156d7ea1c577" +
"fc5f0facdfd42eb0f5974990cb2f5cefebceef4d1bdc7ae5c1075c5a99a93171f2b0845b" +
"4ff0864e973fcfe32f9d7511ff87a3e943410c90a4493a306b6944359340a9ca96f02b66" +
"ce67f028df2980a6aaee8d5d5d452b8b0eb93f923cc1e23fcccbdbe7ffcb114d08fa7a6a" +
"3c404f825d1a0e715935cf623a8c7b59670014ed0622f6089a9447a7a19010f7fe58f841" +
"29a2765ea367824d1c3bb2fda308530203010001a382015c30820158300c0603551d1301" +
"01ff04023000300b0603551d0f0404030203a8301e0603551d250417301506082b060105" +
"0507030906092b0601050507300105301d0603551d0e0416041445e0a36695414c5dd449" +
"bc00e33cdcdbd2343e173081a80603551d230481a030819d8014eb4234d098b0ab9ff41b" +
"6b08f7cc642eef0e2c45a18181a47f307d310b300906035504061302494c311630140603" +
"55040a130d5374617274436f6d204c74642e312b3029060355040b132253656375726520" +
"4469676974616c204365727469666963617465205369676e696e67312930270603550403" +
"13205374617274436f6d2043657274696669636174696f6e20417574686f726974798201" +
"0a30230603551d12041c301a8618687474703a2f2f7777772e737461727473736c2e636f" +
"6d2f302c06096086480186f842010d041f161d5374617274436f6d205265766f63617469" +
"6f6e20417574686f72697479300d06092a864886f70d01010505000382010100182d2215" +
"8f0fc0291324fa8574c49bb8ff2835085adcbf7b7fc4191c397ab6951328253fffe1e5ec" +
"2a7da0d50fca1a404e6968481366939e666c0a6209073eca57973e2fefa9ed1718e8176f" +
"1d85527ff522c08db702e3b2b180f1cbff05d98128252cf0f450f7dd2772f4188047f19d" +
"c85317366f94bc52d60f453a550af58e308aaab00ced33040b62bf37f5b1ab2a4f7f0f80" +
"f763bf4d707bc8841d7ad9385ee2a4244469260b6f2bf085977af9074796048ecc2f9d48" +
"a1d24ce16e41a9941568fec5b42771e118f16c106a54ccc339a4b02166445a167902e75e" +
"6d8620b0825dcd18a069b90fd851d10fa8effd409deec02860d26d8d833f304b10669b42"
const startComHex = "308206343082041ca003020102020118300d06092a864886f70d0101050500307d310b30" +
"0906035504061302494c31163014060355040a130d5374617274436f6d204c74642e312b" +
"3029060355040b1322536563757265204469676974616c20436572746966696361746520" +
"5369676e696e6731293027060355040313205374617274436f6d20436572746966696361" +
"74696f6e20417574686f72697479301e170d3037313032343230353431375a170d313731" +
"3032343230353431375a30818c310b300906035504061302494c31163014060355040a13" +
"0d5374617274436f6d204c74642e312b3029060355040b13225365637572652044696769" +
"74616c204365727469666963617465205369676e696e67313830360603550403132f5374" +
"617274436f6d20436c6173732031205072696d61727920496e7465726d65646961746520" +
"53657276657220434130820122300d06092a864886f70d01010105000382010f00308201" +
"0a0282010100b689c6acef09527807ac9263d0f44418188480561f91aee187fa3250b4d3" +
"4706f0e6075f700e10f71dc0ce103634855a0f92ac83c6ac58523fba38e8fce7a724e240" +
"a60876c0926e9e2a6d4d3f6e61200adb59ded27d63b33e46fefa215118d7cd30a6ed076e" +
"3b7087b4f9faebee823c056f92f7a4dc0a301e9373fe07cad75f809d225852ae06da8b87" +
"2369b0e42ad8ea83d2bdf371db705a280faf5a387045123f304dcd3baf17e50fcba0a95d" +
"48aab16150cb34cd3c5cc30be810c08c9bf0030362feb26c3e720eee1c432ac9480e5739" +
"c43121c810c12c87fe5495521f523c31129b7fe7c0a0a559d5e28f3ef0d5a8e1d77031a9" +
"c4b3cfaf6d532f06f4a70203010001a38201ad308201a9300f0603551d130101ff040530" +
"030101ff300e0603551d0f0101ff040403020106301d0603551d0e04160414eb4234d098" +
"b0ab9ff41b6b08f7cc642eef0e2c45301f0603551d230418301680144e0bef1aa4405ba5" +
"17698730ca346843d041aef2306606082b06010505070101045a3058302706082b060105" +
"05073001861b687474703a2f2f6f6373702e737461727473736c2e636f6d2f6361302d06" +
"082b060105050730028621687474703a2f2f7777772e737461727473736c2e636f6d2f73" +
"667363612e637274305b0603551d1f045430523027a025a0238621687474703a2f2f7777" +
"772e737461727473736c2e636f6d2f73667363612e63726c3027a025a023862168747470" +
"3a2f2f63726c2e737461727473736c2e636f6d2f73667363612e63726c3081800603551d" +
"20047930773075060b2b0601040181b5370102013066302e06082b060105050702011622" +
"687474703a2f2f7777772e737461727473736c2e636f6d2f706f6c6963792e7064663034" +
"06082b060105050702011628687474703a2f2f7777772e737461727473736c2e636f6d2f" +
"696e7465726d6564696174652e706466300d06092a864886f70d01010505000382020100" +
"2109493ea5886ee00b8b48da314d8ff75657a2e1d36257e9b556f38545753be5501f048b" +
"e6a05a3ee700ae85d0fbff200364cbad02e1c69172f8a34dd6dee8cc3fa18aa2e37c37a7" +
"c64f8f35d6f4d66e067bdd21d9cf56ffcb302249fe8904f385e5aaf1e71fe875904dddf9" +
"46f74234f745580c110d84b0c6da5d3ef9019ee7e1da5595be741c7bfc4d144fac7e5547" +
"7d7bf4a50d491e95e8f712c1ccff76a62547d0f37535be97b75816ebaa5c786fec5330af" +
"ea044dcca902e3f0b60412f630b1113d904e5664d7dc3c435f7339ef4baf87ebf6fe6888" +
"4472ead207c669b0c1a18bef1749d761b145485f3b2021e95bb2ccf4d7e931f50b15613b" +
"7a94e3ebd9bc7f94ae6ae3626296a8647cb887f399327e92a252bebbf865cfc9f230fc8b" +
"c1c2a696d75f89e15c3480f58f47072fb491bfb1a27e5f4b5ad05b9f248605515a690365" +
"434971c5e06f94346bf61bd8a9b04c7e53eb8f48dfca33b548fa364a1a53a6330cd089cd" +
"4915cd89313c90c072d7654b52358a461144b93d8e2865a63e799e5c084429adb035112e" +
"214eb8d2e7103e5d8483b3c3c2e4d2c6fd094b7409ddf1b3d3193e800da20b19f038e7c5" +
"c2afe223db61e29d5c6e2089492e236ab262c145b49faf8ba7f1223bf87de290d07a19fb" +
"4a4ce3d27d5f4a8303ed27d6239e6b8db459a2d9ef6c8229dd75193c3f4c108defbb7527" +
"d2ae83a7a8ce5ba7"
const ocspResponseWithoutCertHex = "308201d40a0100a08201cd308201c906092b0601050507300101048201ba3082" +
"01b630819fa2160414884451ff502a695e2d88f421bad90cf2cecbea7c180f3230313330" +
"3631383037323434335a30743072304a300906052b0e03021a0500041448b60d38238df8" +
"456e4ee5843ea394111802979f0414884451ff502a695e2d88f421bad90cf2cecbea7c02" +
"1100f78b13b946fc9635d8ab49de9d2148218000180f3230313330363138303732343433" +
"5aa011180f32303133303632323037323434335a300d06092a864886f70d010105050003" +
"82010100103e18b3d297a5e7a6c07a4fc52ac46a15c0eba96f3be17f0ffe84de5b8c8e05" +
"5a8f577586a849dc4abd6440eb6fedde4622451e2823c1cbf3558b4e8184959c9fe96eff" +
"8bc5f95866c58c6d087519faabfdae37e11d9874f1bc0db292208f645dd848185e4dd38b" +
"6a8547dfa7b74d514a8470015719064d35476b95bebb03d4d2845c5ca15202d2784878f2" +
"0f904c24f09736f044609e9c271381713400e563023d212db422236440c6f377bbf24b2b" +
"9e7dec8698e36a8df68b7592ad3489fb2937afb90eb85d2aa96b81c94c25057dbd4759d9" +
"20a1a65c7f0b6427a224b3c98edd96b9b61f706099951188b0289555ad30a216fb774651" +
"5a35fca2e054dfa8"
// PKIX nonce extension
var ocspExtensionOID = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 48, 1, 2}
var ocspExtensionValueHex = "0403000000"
const ocspResponseWithCriticalExtensionHex = "308204fe0a0100a08204f7308204f306092b0601050507300101048204e4308204e03081" +
"dba003020100a11b3019311730150603550403130e4f43535020526573706f6e64657218" +
"0f32303136303130343137303130305a3081a53081a23049300906052b0e03021a050004" +
"14c0fe0278fc99188891b3f212e9c7e1b21ab7bfc004140dfc1df0a9e0f01ce7f2b21317" +
"7e6f8d157cd4f60210017f77deb3bcbb235d44ccc7dba62e72a116180f32303130303730" +
"373135303130355aa0030a0101180f32303130303730373135303130355aa011180f3230" +
"3130303730373138333531375aa1193017301506092b06010505073001020101ff040504" +
"03000000300d06092a864886f70d01010b0500038201010031c730ca60a7a0d92d8e4010" +
"911b469de95b4d27e89de6537552436237967694f76f701cf6b45c932bd308bca4a8d092" +
"5c604ba94796903091d9e6c000178e72c1f0a24a277dd262835af5d17d3f9d7869606c9f" +
"e7c8e708a41645699895beee38bfa63bb46296683761c5d1d65439b8ab868dc3017c9eeb" +
"b70b82dbf3a31c55b457d48bb9e82b335ed49f445042eaf606b06a3e0639824924c89c63" +
"eccddfe85e6694314138b2536f5e15e07085d0f6e26d4b2f8244bab0d70de07283ac6384" +
"a0501fc3dea7cf0adfd4c7f34871080900e252ddc403e3f0265f2a704af905d3727504ed" +
"28f3214a219d898a022463c78439799ca81c8cbafdbcec34ea937cd6a08202ea308202e6" +
"308202e2308201caa003020102020101300d06092a864886f70d01010b05003019311730" +
"150603550403130e4f43535020526573706f6e646572301e170d31353031333031353530" +
"33335a170d3136303133303135353033335a3019311730150603550403130e4f43535020" +
"526573706f6e64657230820122300d06092a864886f70d01010105000382010f00308201" +
"0a0282010100e8155f2d3e6f2e8d14c62a788bd462f9f844e7a6977c83ef1099f0f6616e" +
"c5265b56f356e62c5400f0b06a2e7945a82752c636df32a895152d6074df1701dc6ccfbc" +
"bec75a70bd2b55ae2be7e6cad3b5fd4cd5b7790ab401a436d3f5f346074ffde8a99d5b72" +
"3350f0a112076614b12ef79c78991b119453445acf2416ab0046b540db14c9fc0f27b898" +
"9ad0f63aa4b8aefc91aa8a72160c36307c60fec78a93d3fddf4259902aa77e7332971c7d" +
"285b6a04f648993c6922a3e9da9adf5f81508c3228791843e5d49f24db2f1290bafd97e6" +
"55b1049a199f652cd603c4fafa330c390b0da78fbbc67e8fa021cbd74eb96222b12ace31" +
"a77dcf920334dc94581b0203010001a3353033300e0603551d0f0101ff04040302078030" +
"130603551d25040c300a06082b06010505070309300c0603551d130101ff04023000300d" +
"06092a864886f70d01010b05000382010100718012761b5063e18f0dc44644d8e6ab8612" +
"31c15fd5357805425d82aec1de85bf6d3e30fce205e3e3b8b795bbe52e40a439286d2288" +
"9064f4aeeb150359b9425f1da51b3a5c939018555d13ac42c565a0603786a919328f3267" +
"09dce52c22ad958ecb7873b9771d1148b1c4be2efe80ba868919fc9f68b6090c2f33c156" +
"d67156e42766a50b5d51e79637b7e58af74c2a951b1e642fa7741fec982cc937de37eff5" +
"9e2005d5939bfc031589ca143e6e8ab83f40ee08cc20a6b4a95a318352c28d18528dcaf9" +
"66705de17afa19d6e8ae91ddf33179d16ebb6ac2c69cae8373d408ebf8c55308be6c04d9" +
"3a25439a94299a65a709756c7a3e568be049d5c38839"
const ocspResponseWithExtensionHex = "308204fb0a0100a08204f4308204f006092b0601050507300101048204e1308204dd3081" +
"d8a003020100a11b3019311730150603550403130e4f43535020526573706f6e64657218" +
"0f32303136303130343136353930305a3081a230819f3049300906052b0e03021a050004" +
"14c0fe0278fc99188891b3f212e9c7e1b21ab7bfc004140dfc1df0a9e0f01ce7f2b21317" +
"7e6f8d157cd4f60210017f77deb3bcbb235d44ccc7dba62e72a116180f32303130303730" +
"373135303130355aa0030a0101180f32303130303730373135303130355aa011180f3230" +
"3130303730373138333531375aa1163014301206092b0601050507300102040504030000" +
"00300d06092a864886f70d01010b05000382010100c09a33e0b2324c852421bb83f85ac9" +
"9113f5426012bd2d2279a8166e9241d18a33c870894250622ffc7ed0c4601b16d624f90b" +
"779265442cdb6868cf40ab304ab4b66e7315ed02cf663b1601d1d4751772b31bc299db23" +
"9aebac78ed6797c06ed815a7a8d18d63cfbb609cafb47ec2e89e37db255216eb09307848" +
"d01be0a3e943653c78212b96ff524b74c9ec456b17cdfb950cc97645c577b2e09ff41dde" +
"b03afb3adaa381cc0f7c1d95663ef22a0f72f2c45613ae8e2b2d1efc96e8463c7d1d8a1d" +
"7e3b35df8fe73a301fc3f804b942b2b3afa337ff105fc1462b7b1c1d75eb4566c8665e59" +
"f80393b0adbf8004ff6c3327ed34f007cb4a3348a7d55e06e3a08202ea308202e6308202" +
"e2308201caa003020102020101300d06092a864886f70d01010b05003019311730150603" +
"550403130e4f43535020526573706f6e646572301e170d3135303133303135353033335a" +
"170d3136303133303135353033335a3019311730150603550403130e4f43535020526573" +
"706f6e64657230820122300d06092a864886f70d01010105000382010f003082010a0282" +
"010100e8155f2d3e6f2e8d14c62a788bd462f9f844e7a6977c83ef1099f0f6616ec5265b" +
"56f356e62c5400f0b06a2e7945a82752c636df32a895152d6074df1701dc6ccfbcbec75a" +
"70bd2b55ae2be7e6cad3b5fd4cd5b7790ab401a436d3f5f346074ffde8a99d5b723350f0" +
"a112076614b12ef79c78991b119453445acf2416ab0046b540db14c9fc0f27b8989ad0f6" +
"3aa4b8aefc91aa8a72160c36307c60fec78a93d3fddf4259902aa77e7332971c7d285b6a" +
"04f648993c6922a3e9da9adf5f81508c3228791843e5d49f24db2f1290bafd97e655b104" +
"9a199f652cd603c4fafa330c390b0da78fbbc67e8fa021cbd74eb96222b12ace31a77dcf" +
"920334dc94581b0203010001a3353033300e0603551d0f0101ff04040302078030130603" +
"551d25040c300a06082b06010505070309300c0603551d130101ff04023000300d06092a" +
"864886f70d01010b05000382010100718012761b5063e18f0dc44644d8e6ab861231c15f" +
"d5357805425d82aec1de85bf6d3e30fce205e3e3b8b795bbe52e40a439286d22889064f4" +
"aeeb150359b9425f1da51b3a5c939018555d13ac42c565a0603786a919328f326709dce5" +
"2c22ad958ecb7873b9771d1148b1c4be2efe80ba868919fc9f68b6090c2f33c156d67156" +
"e42766a50b5d51e79637b7e58af74c2a951b1e642fa7741fec982cc937de37eff59e2005" +
"d5939bfc031589ca143e6e8ab83f40ee08cc20a6b4a95a318352c28d18528dcaf966705d" +
"e17afa19d6e8ae91ddf33179d16ebb6ac2c69cae8373d408ebf8c55308be6c04d93a2543" +
"9a94299a65a709756c7a3e568be049d5c38839"
const ocspRequestHex = "3051304f304d304b3049300906052b0e03021a05000414c0fe0278fc99188891b3f212e9" +
"c7e1b21ab7bfc004140dfc1df0a9e0f01ce7f2b213177e6f8d157cd4f60210017f77deb3" +
"bcbb235d44ccc7dba62e72"
const leafCertHex = "308203c830820331a0030201020210017f77deb3bcbb235d44ccc7dba62e72300d06092a" +
"864886f70d01010505003081ba311f301d060355040a1316566572695369676e20547275" +
"7374204e6574776f726b31173015060355040b130e566572695369676e2c20496e632e31" +
"333031060355040b132a566572695369676e20496e7465726e6174696f6e616c20536572" +
"766572204341202d20436c617373203331493047060355040b13407777772e7665726973" +
"69676e2e636f6d2f43505320496e636f72702e6279205265662e204c494142494c495459" +
"204c54442e286329393720566572695369676e301e170d3132303632313030303030305a" +
"170d3133313233313233353935395a3068310b3009060355040613025553311330110603" +
"550408130a43616c69666f726e6961311230100603550407130950616c6f20416c746f31" +
"173015060355040a130e46616365626f6f6b2c20496e632e311730150603550403140e2a" +
"2e66616365626f6f6b2e636f6d30819f300d06092a864886f70d010101050003818d0030" +
"818902818100ae94b171e2deccc1693e051063240102e0689ae83c39b6b3e74b97d48d7b" +
"23689100b0b496ee62f0e6d356bcf4aa0f50643402f5d1766aa972835a7564723f39bbef" +
"5290ded9bcdbf9d3d55dfad23aa03dc604c54d29cf1d4b3bdbd1a809cfae47b44c7eae17" +
"c5109bee24a9cf4a8d911bb0fd0415ae4c3f430aa12a557e2ae10203010001a382011e30" +
"82011a30090603551d130402300030440603551d20043d303b3039060b6086480186f845" +
"01071703302a302806082b06010505070201161c68747470733a2f2f7777772e76657269" +
"7369676e2e636f6d2f727061303c0603551d1f043530333031a02fa02d862b687474703a" +
"2f2f535652496e746c2d63726c2e766572697369676e2e636f6d2f535652496e746c2e63" +
"726c301d0603551d250416301406082b0601050507030106082b06010505070302300b06" +
"03551d0f0404030205a0303406082b0601050507010104283026302406082b0601050507" +
"30018618687474703a2f2f6f6373702e766572697369676e2e636f6d30270603551d1104" +
"20301e820e2a2e66616365626f6f6b2e636f6d820c66616365626f6f6b2e636f6d300d06" +
"092a864886f70d0101050500038181005b6c2b75f8ed30aa51aad36aba595e555141951f" +
"81a53b447910ac1f76ff78fc2781616b58f3122afc1c87010425e9ed43df1a7ba6498060" +
"67e2688af03db58c7df4ee03309a6afc247ccb134dc33e54c6bc1d5133a532a73273b1d7" +
"9cadc08e7e1a83116d34523340b0305427a21742827c98916698ee7eaf8c3bdd71700817"
const issuerCertHex = "30820383308202eca003020102021046fcebbab4d02f0f926098233f93078f300d06092a" +
"864886f70d0101050500305f310b300906035504061302555331173015060355040a130e" +
"566572695369676e2c20496e632e31373035060355040b132e436c617373203320507562" +
"6c6963205072696d6172792043657274696669636174696f6e20417574686f7269747930" +
"1e170d3937303431373030303030305a170d3136313032343233353935395a3081ba311f" +
"301d060355040a1316566572695369676e205472757374204e6574776f726b3117301506" +
"0355040b130e566572695369676e2c20496e632e31333031060355040b132a5665726953" +
"69676e20496e7465726e6174696f6e616c20536572766572204341202d20436c61737320" +
"3331493047060355040b13407777772e766572697369676e2e636f6d2f43505320496e63" +
"6f72702e6279205265662e204c494142494c495459204c54442e28632939372056657269" +
"5369676e30819f300d06092a864886f70d010101050003818d0030818902818100d88280" +
"e8d619027d1f85183925a2652be1bfd405d3bce6363baaf04c6c5bb6e7aa3c734555b2f1" +
"bdea9742ed9a340a15d4a95cf54025ddd907c132b2756cc4cabba3fe56277143aa63f530" +
"3e9328e5faf1093bf3b74d4e39f75c495ab8c11dd3b28afe70309542cbfe2b518b5a3c3a" +
"f9224f90b202a7539c4f34e7ab04b27b6f0203010001a381e33081e0300f0603551d1304" +
"0830060101ff02010030440603551d20043d303b3039060b6086480186f8450107010130" +
"2a302806082b06010505070201161c68747470733a2f2f7777772e766572697369676e2e" +
"636f6d2f43505330340603551d25042d302b06082b0601050507030106082b0601050507" +
"030206096086480186f8420401060a6086480186f845010801300b0603551d0f04040302" +
"0106301106096086480186f842010104040302010630310603551d1f042a30283026a024" +
"a0228620687474703a2f2f63726c2e766572697369676e2e636f6d2f706361332e63726c" +
"300d06092a864886f70d010105050003818100408e4997968a73dd8e4def3e61b7caa062" +
"adf40e0abb753de26ed82cc7bff4b98c369bcaa2d09c724639f6a682036511c4bcbf2da6" +
"f5d93b0ab598fab378b91ef22b4c62d5fdb27a1ddf33fd73f9a5d82d8c2aead1fcb028b6" +
"e94948134b838a1b487b24f738de6f4154b8ab576b06dfc7a2d4a9f6f136628088f28b75" +
"d68071"
// Key and certificate for the OCSP responder were not taken from the Thawte
// responder, since CreateResponse requires that we have the private key.
// Instead, they were generated randomly.
const responderPrivateKeyHex = "308204a40201000282010100e8155f2d3e6f2e8d14c62a788bd462f9f844e7a6977c83ef" +
"1099f0f6616ec5265b56f356e62c5400f0b06a2e7945a82752c636df32a895152d6074df" +
"1701dc6ccfbcbec75a70bd2b55ae2be7e6cad3b5fd4cd5b7790ab401a436d3f5f346074f" +
"fde8a99d5b723350f0a112076614b12ef79c78991b119453445acf2416ab0046b540db14" +
"c9fc0f27b8989ad0f63aa4b8aefc91aa8a72160c36307c60fec78a93d3fddf4259902aa7" +
"7e7332971c7d285b6a04f648993c6922a3e9da9adf5f81508c3228791843e5d49f24db2f" +
"1290bafd97e655b1049a199f652cd603c4fafa330c390b0da78fbbc67e8fa021cbd74eb9" +
"6222b12ace31a77dcf920334dc94581b02030100010282010100bcf0b93d7238bda329a8" +
"72e7149f61bcb37c154330ccb3f42a85c9002c2e2bdea039d77d8581cd19bed94078794e" +
"56293d601547fc4bf6a2f9002fe5772b92b21b254403b403585e3130cc99ccf08f0ef81a" +
"575b38f597ba4660448b54f44bfbb97072b5a2bf043bfeca828cf7741d13698e3f38162b" +
"679faa646b82abd9a72c5c7d722c5fc577a76d2c2daac588accad18516d1bbad10b0dfa2" +
"05cfe246b59e28608a43942e1b71b0c80498075121de5b900d727c31c42c78cf1db5c0aa" +
"5b491e10ea4ed5c0962aaf2ae025dd81fa4ce490d9d6b4a4465411d8e542fc88617e5695" +
"1aa4fc8ea166f2b4d0eb89ef17f2b206bd5f1014bf8fe0e71fe62f2cccf102818100f2dc" +
"ddf878d553286daad68bac4070a82ffec3dc4666a2750f47879eec913f91836f1d976b60" +
"daf9356e078446dafab5bd2e489e5d64f8572ba24a4ba4f3729b5e106c4dd831cc2497a7" +
"e6c7507df05cb64aeb1bbc81c1e340d58b5964cf39cff84ea30c29ec5d3f005ee1362698" +
"07395037955955655292c3e85f6187fa1f9502818100f4a33c102630840705f8c778a47b" +
"87e8da31e68809af981ac5e5999cf1551685d761cdf0d6520361b99aebd5777a940fa64d" +
"327c09fa63746fbb3247ec73a86edf115f1fe5c83598db803881ade71c33c6e956118345" +
"497b98b5e07bb5be75971465ec78f2f9467e1b74956ca9d4c7c3e314e742a72d8b33889c" +
"6c093a466cef0281801d3df0d02124766dd0be98349b19eb36a508c4e679e793ba0a8bef" +
"4d786888c1e9947078b1ea28938716677b4ad8c5052af12eb73ac194915264a913709a0b" +
"7b9f98d4a18edd781a13d49899f91c20dbd8eb2e61d991ba19b5cdc08893f5cb9d39e5a6" +
"0629ea16d426244673b1b3ee72bd30e41fac8395acac40077403de5efd028180050731dd" +
"d71b1a2b96c8d538ba90bb6b62c8b1c74c03aae9a9f59d21a7a82b0d572ef06fa9c807bf" +
"c373d6b30d809c7871df96510c577421d9860c7383fda0919ece19996b3ca13562159193" +
"c0c246471e287f975e8e57034e5136aaf44254e2650def3d51292474c515b1588969112e" +
"0a85cc77073e9d64d2c2fc497844284b02818100d71d63eabf416cf677401ebf965f8314" +
"120b568a57dd3bd9116c629c40dc0c6948bab3a13cc544c31c7da40e76132ef5dd3f7534" +
"45a635930c74326ae3df0edd1bfb1523e3aa259873ac7cf1ac31151ec8f37b528c275622" +
"48f99b8bed59fd4da2576aa6ee20d93a684900bf907e80c66d6e2261ae15e55284b4ed9d" +
"6bdaa059"
const responderCertHex = "308202e2308201caa003020102020101300d06092a864886f70d01010b05003019311730" +
"150603550403130e4f43535020526573706f6e646572301e170d31353031333031353530" +
"33335a170d3136303133303135353033335a3019311730150603550403130e4f43535020" +
"526573706f6e64657230820122300d06092a864886f70d01010105000382010f00308201" +
"0a0282010100e8155f2d3e6f2e8d14c62a788bd462f9f844e7a6977c83ef1099f0f6616e" +
"c5265b56f356e62c5400f0b06a2e7945a82752c636df32a895152d6074df1701dc6ccfbc" +
"bec75a70bd2b55ae2be7e6cad3b5fd4cd5b7790ab401a436d3f5f346074ffde8a99d5b72" +
"3350f0a112076614b12ef79c78991b119453445acf2416ab0046b540db14c9fc0f27b898" +
"9ad0f63aa4b8aefc91aa8a72160c36307c60fec78a93d3fddf4259902aa77e7332971c7d" +
"285b6a04f648993c6922a3e9da9adf5f81508c3228791843e5d49f24db2f1290bafd97e6" +
"55b1049a199f652cd603c4fafa330c390b0da78fbbc67e8fa021cbd74eb96222b12ace31" +
"a77dcf920334dc94581b0203010001a3353033300e0603551d0f0101ff04040302078030" +
"130603551d25040c300a06082b06010505070309300c0603551d130101ff04023000300d" +
"06092a864886f70d01010b05000382010100718012761b5063e18f0dc44644d8e6ab8612" +
"31c15fd5357805425d82aec1de85bf6d3e30fce205e3e3b8b795bbe52e40a439286d2288" +
"9064f4aeeb150359b9425f1da51b3a5c939018555d13ac42c565a0603786a919328f3267" +
"09dce52c22ad958ecb7873b9771d1148b1c4be2efe80ba868919fc9f68b6090c2f33c156" +
"d67156e42766a50b5d51e79637b7e58af74c2a951b1e642fa7741fec982cc937de37eff5" +
"9e2005d5939bfc031589ca143e6e8ab83f40ee08cc20a6b4a95a318352c28d18528dcaf9" +
"66705de17afa19d6e8ae91ddf33179d16ebb6ac2c69cae8373d408ebf8c55308be6c04d9" +
"3a25439a94299a65a709756c7a3e568be049d5c38839"
const errorResponseHex = "30030a0101"

219
vendor/golang.org/x/crypto/openpgp/armor/armor.go generated vendored Normal file
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@ -0,0 +1,219 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package armor implements OpenPGP ASCII Armor, see RFC 4880. OpenPGP Armor is
// very similar to PEM except that it has an additional CRC checksum.
package armor // import "golang.org/x/crypto/openpgp/armor"
import (
"bufio"
"bytes"
"encoding/base64"
"golang.org/x/crypto/openpgp/errors"
"io"
)
// A Block represents an OpenPGP armored structure.
//
// The encoded form is:
// -----BEGIN Type-----
// Headers
//
// base64-encoded Bytes
// '=' base64 encoded checksum
// -----END Type-----
// where Headers is a possibly empty sequence of Key: Value lines.
//
// Since the armored data can be very large, this package presents a streaming
// interface.
type Block struct {
Type string // The type, taken from the preamble (i.e. "PGP SIGNATURE").
Header map[string]string // Optional headers.
Body io.Reader // A Reader from which the contents can be read
lReader lineReader
oReader openpgpReader
}
var ArmorCorrupt error = errors.StructuralError("armor invalid")
const crc24Init = 0xb704ce
const crc24Poly = 0x1864cfb
const crc24Mask = 0xffffff
// crc24 calculates the OpenPGP checksum as specified in RFC 4880, section 6.1
func crc24(crc uint32, d []byte) uint32 {
for _, b := range d {
crc ^= uint32(b) << 16
for i := 0; i < 8; i++ {
crc <<= 1
if crc&0x1000000 != 0 {
crc ^= crc24Poly
}
}
}
return crc
}
var armorStart = []byte("-----BEGIN ")
var armorEnd = []byte("-----END ")
var armorEndOfLine = []byte("-----")
// lineReader wraps a line based reader. It watches for the end of an armor
// block and records the expected CRC value.
type lineReader struct {
in *bufio.Reader
buf []byte
eof bool
crc uint32
}
func (l *lineReader) Read(p []byte) (n int, err error) {
if l.eof {
return 0, io.EOF
}
if len(l.buf) > 0 {
n = copy(p, l.buf)
l.buf = l.buf[n:]
return
}
line, isPrefix, err := l.in.ReadLine()
if err != nil {
return
}
if isPrefix {
return 0, ArmorCorrupt
}
if len(line) == 5 && line[0] == '=' {
// This is the checksum line
var expectedBytes [3]byte
var m int
m, err = base64.StdEncoding.Decode(expectedBytes[0:], line[1:])
if m != 3 || err != nil {
return
}
l.crc = uint32(expectedBytes[0])<<16 |
uint32(expectedBytes[1])<<8 |
uint32(expectedBytes[2])
line, _, err = l.in.ReadLine()
if err != nil && err != io.EOF {
return
}
if !bytes.HasPrefix(line, armorEnd) {
return 0, ArmorCorrupt
}
l.eof = true
return 0, io.EOF
}
if len(line) > 96 {
return 0, ArmorCorrupt
}
n = copy(p, line)
bytesToSave := len(line) - n
if bytesToSave > 0 {
if cap(l.buf) < bytesToSave {
l.buf = make([]byte, 0, bytesToSave)
}
l.buf = l.buf[0:bytesToSave]
copy(l.buf, line[n:])
}
return
}
// openpgpReader passes Read calls to the underlying base64 decoder, but keeps
// a running CRC of the resulting data and checks the CRC against the value
// found by the lineReader at EOF.
type openpgpReader struct {
lReader *lineReader
b64Reader io.Reader
currentCRC uint32
}
func (r *openpgpReader) Read(p []byte) (n int, err error) {
n, err = r.b64Reader.Read(p)
r.currentCRC = crc24(r.currentCRC, p[:n])
if err == io.EOF {
if r.lReader.crc != uint32(r.currentCRC&crc24Mask) {
return 0, ArmorCorrupt
}
}
return
}
// Decode reads a PGP armored block from the given Reader. It will ignore
// leading garbage. If it doesn't find a block, it will return nil, io.EOF. The
// given Reader is not usable after calling this function: an arbitrary amount
// of data may have been read past the end of the block.
func Decode(in io.Reader) (p *Block, err error) {
r := bufio.NewReaderSize(in, 100)
var line []byte
ignoreNext := false
TryNextBlock:
p = nil
// Skip leading garbage
for {
ignoreThis := ignoreNext
line, ignoreNext, err = r.ReadLine()
if err != nil {
return
}
if ignoreNext || ignoreThis {
continue
}
line = bytes.TrimSpace(line)
if len(line) > len(armorStart)+len(armorEndOfLine) && bytes.HasPrefix(line, armorStart) {
break
}
}
p = new(Block)
p.Type = string(line[len(armorStart) : len(line)-len(armorEndOfLine)])
p.Header = make(map[string]string)
nextIsContinuation := false
var lastKey string
// Read headers
for {
isContinuation := nextIsContinuation
line, nextIsContinuation, err = r.ReadLine()
if err != nil {
p = nil
return
}
if isContinuation {
p.Header[lastKey] += string(line)
continue
}
line = bytes.TrimSpace(line)
if len(line) == 0 {
break
}
i := bytes.Index(line, []byte(": "))
if i == -1 {
goto TryNextBlock
}
lastKey = string(line[:i])
p.Header[lastKey] = string(line[i+2:])
}
p.lReader.in = r
p.oReader.currentCRC = crc24Init
p.oReader.lReader = &p.lReader
p.oReader.b64Reader = base64.NewDecoder(base64.StdEncoding, &p.lReader)
p.Body = &p.oReader
return
}

95
vendor/golang.org/x/crypto/openpgp/armor/armor_test.go generated vendored Normal file
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@ -0,0 +1,95 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package armor
import (
"bytes"
"hash/adler32"
"io/ioutil"
"testing"
)
func TestDecodeEncode(t *testing.T) {
buf := bytes.NewBuffer([]byte(armorExample1))
result, err := Decode(buf)
if err != nil {
t.Error(err)
}
expectedType := "PGP SIGNATURE"
if result.Type != expectedType {
t.Errorf("result.Type: got:%s want:%s", result.Type, expectedType)
}
if len(result.Header) != 1 {
t.Errorf("len(result.Header): got:%d want:1", len(result.Header))
}
v, ok := result.Header["Version"]
if !ok || v != "GnuPG v1.4.10 (GNU/Linux)" {
t.Errorf("result.Header: got:%#v", result.Header)
}
contents, err := ioutil.ReadAll(result.Body)
if err != nil {
t.Error(err)
}
if adler32.Checksum(contents) != 0x27b144be {
t.Errorf("contents: got: %x", contents)
}
buf = bytes.NewBuffer(nil)
w, err := Encode(buf, result.Type, result.Header)
if err != nil {
t.Error(err)
}
_, err = w.Write(contents)
if err != nil {
t.Error(err)
}
w.Close()
if !bytes.Equal(buf.Bytes(), []byte(armorExample1)) {
t.Errorf("got: %s\nwant: %s", string(buf.Bytes()), armorExample1)
}
}
func TestLongHeader(t *testing.T) {
buf := bytes.NewBuffer([]byte(armorLongLine))
result, err := Decode(buf)
if err != nil {
t.Error(err)
return
}
value, ok := result.Header["Version"]
if !ok {
t.Errorf("missing Version header")
}
if value != longValueExpected {
t.Errorf("got: %s want: %s", value, longValueExpected)
}
}
const armorExample1 = `-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.10 (GNU/Linux)
iJwEAAECAAYFAk1Fv/0ACgkQo01+GMIMMbsYTwQAiAw+QAaNfY6WBdplZ/uMAccm
4g+81QPmTSGHnetSb6WBiY13kVzK4HQiZH8JSkmmroMLuGeJwsRTEL4wbjRyUKEt
p1xwUZDECs234F1xiG5enc5SGlRtP7foLBz9lOsjx+LEcA4sTl5/2eZR9zyFZqWW
TxRjs+fJCIFuo71xb1g=
=/teI
-----END PGP SIGNATURE-----`
const armorLongLine = `-----BEGIN PGP SIGNATURE-----
Version: 0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz
iQEcBAABAgAGBQJMtFESAAoJEKsQXJGvOPsVj40H/1WW6jaMXv4BW+1ueDSMDwM8
kx1fLOXbVM5/Kn5LStZNt1jWWnpxdz7eq3uiqeCQjmqUoRde3YbB2EMnnwRbAhpp
cacnAvy9ZQ78OTxUdNW1mhX5bS6q1MTEJnl+DcyigD70HG/yNNQD7sOPMdYQw0TA
byQBwmLwmTsuZsrYqB68QyLHI+DUugn+kX6Hd2WDB62DKa2suoIUIHQQCd/ofwB3
WfCYInXQKKOSxu2YOg2Eb4kLNhSMc1i9uKUWAH+sdgJh7NBgdoE4MaNtBFkHXRvv
okWuf3+xA9ksp1npSY/mDvgHijmjvtpRDe6iUeqfCn8N9u9CBg8geANgaG8+QA4=
=wfQG
-----END PGP SIGNATURE-----`
const longValueExpected = "0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz"

160
vendor/golang.org/x/crypto/openpgp/armor/encode.go generated vendored Normal file
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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package armor
import (
"encoding/base64"
"io"
)
var armorHeaderSep = []byte(": ")
var blockEnd = []byte("\n=")
var newline = []byte("\n")
var armorEndOfLineOut = []byte("-----\n")
// writeSlices writes its arguments to the given Writer.
func writeSlices(out io.Writer, slices ...[]byte) (err error) {
for _, s := range slices {
_, err = out.Write(s)
if err != nil {
return err
}
}
return
}
// lineBreaker breaks data across several lines, all of the same byte length
// (except possibly the last). Lines are broken with a single '\n'.
type lineBreaker struct {
lineLength int
line []byte
used int
out io.Writer
haveWritten bool
}
func newLineBreaker(out io.Writer, lineLength int) *lineBreaker {
return &lineBreaker{
lineLength: lineLength,
line: make([]byte, lineLength),
used: 0,
out: out,
}
}
func (l *lineBreaker) Write(b []byte) (n int, err error) {
n = len(b)
if n == 0 {
return
}
if l.used == 0 && l.haveWritten {
_, err = l.out.Write([]byte{'\n'})
if err != nil {
return
}
}
if l.used+len(b) < l.lineLength {
l.used += copy(l.line[l.used:], b)
return
}
l.haveWritten = true
_, err = l.out.Write(l.line[0:l.used])
if err != nil {
return
}
excess := l.lineLength - l.used
l.used = 0
_, err = l.out.Write(b[0:excess])
if err != nil {
return
}
_, err = l.Write(b[excess:])
return
}
func (l *lineBreaker) Close() (err error) {
if l.used > 0 {
_, err = l.out.Write(l.line[0:l.used])
if err != nil {
return
}
}
return
}
// encoding keeps track of a running CRC24 over the data which has been written
// to it and outputs a OpenPGP checksum when closed, followed by an armor
// trailer.
//
// It's built into a stack of io.Writers:
// encoding -> base64 encoder -> lineBreaker -> out
type encoding struct {
out io.Writer
breaker *lineBreaker
b64 io.WriteCloser
crc uint32
blockType []byte
}
func (e *encoding) Write(data []byte) (n int, err error) {
e.crc = crc24(e.crc, data)
return e.b64.Write(data)
}
func (e *encoding) Close() (err error) {
err = e.b64.Close()
if err != nil {
return
}
e.breaker.Close()
var checksumBytes [3]byte
checksumBytes[0] = byte(e.crc >> 16)
checksumBytes[1] = byte(e.crc >> 8)
checksumBytes[2] = byte(e.crc)
var b64ChecksumBytes [4]byte
base64.StdEncoding.Encode(b64ChecksumBytes[:], checksumBytes[:])
return writeSlices(e.out, blockEnd, b64ChecksumBytes[:], newline, armorEnd, e.blockType, armorEndOfLine)
}
// Encode returns a WriteCloser which will encode the data written to it in
// OpenPGP armor.
func Encode(out io.Writer, blockType string, headers map[string]string) (w io.WriteCloser, err error) {
bType := []byte(blockType)
err = writeSlices(out, armorStart, bType, armorEndOfLineOut)
if err != nil {
return
}
for k, v := range headers {
err = writeSlices(out, []byte(k), armorHeaderSep, []byte(v), newline)
if err != nil {
return
}
}
_, err = out.Write(newline)
if err != nil {
return
}
e := &encoding{
out: out,
breaker: newLineBreaker(out, 64),
crc: crc24Init,
blockType: bType,
}
e.b64 = base64.NewEncoder(base64.StdEncoding, e.breaker)
return e, nil
}

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vendor/golang.org/x/crypto/openpgp/canonical_text.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package openpgp
import "hash"
// NewCanonicalTextHash reformats text written to it into the canonical
// form and then applies the hash h. See RFC 4880, section 5.2.1.
func NewCanonicalTextHash(h hash.Hash) hash.Hash {
return &canonicalTextHash{h, 0}
}
type canonicalTextHash struct {
h hash.Hash
s int
}
var newline = []byte{'\r', '\n'}
func (cth *canonicalTextHash) Write(buf []byte) (int, error) {
start := 0
for i, c := range buf {
switch cth.s {
case 0:
if c == '\r' {
cth.s = 1
} else if c == '\n' {
cth.h.Write(buf[start:i])
cth.h.Write(newline)
start = i + 1
}
case 1:
cth.s = 0
}
}
cth.h.Write(buf[start:])
return len(buf), nil
}
func (cth *canonicalTextHash) Sum(in []byte) []byte {
return cth.h.Sum(in)
}
func (cth *canonicalTextHash) Reset() {
cth.h.Reset()
cth.s = 0
}
func (cth *canonicalTextHash) Size() int {
return cth.h.Size()
}
func (cth *canonicalTextHash) BlockSize() int {
return cth.h.BlockSize()
}

52
vendor/golang.org/x/crypto/openpgp/canonical_text_test.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package openpgp
import (
"bytes"
"testing"
)
type recordingHash struct {
buf *bytes.Buffer
}
func (r recordingHash) Write(b []byte) (n int, err error) {
return r.buf.Write(b)
}
func (r recordingHash) Sum(in []byte) []byte {
return append(in, r.buf.Bytes()...)
}
func (r recordingHash) Reset() {
panic("shouldn't be called")
}
func (r recordingHash) Size() int {
panic("shouldn't be called")
}
func (r recordingHash) BlockSize() int {
panic("shouldn't be called")
}
func testCanonicalText(t *testing.T, input, expected string) {
r := recordingHash{bytes.NewBuffer(nil)}
c := NewCanonicalTextHash(r)
c.Write([]byte(input))
result := c.Sum(nil)
if expected != string(result) {
t.Errorf("input: %x got: %x want: %x", input, result, expected)
}
}
func TestCanonicalText(t *testing.T) {
testCanonicalText(t, "foo\n", "foo\r\n")
testCanonicalText(t, "foo", "foo")
testCanonicalText(t, "foo\r\n", "foo\r\n")
testCanonicalText(t, "foo\r\nbar", "foo\r\nbar")
testCanonicalText(t, "foo\r\nbar\n\n", "foo\r\nbar\r\n\r\n")
}

376
vendor/golang.org/x/crypto/openpgp/clearsign/clearsign.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package clearsign generates and processes OpenPGP, clear-signed data. See
// RFC 4880, section 7.
//
// Clearsigned messages are cryptographically signed, but the contents of the
// message are kept in plaintext so that it can be read without special tools.
package clearsign // import "golang.org/x/crypto/openpgp/clearsign"
import (
"bufio"
"bytes"
"crypto"
"hash"
"io"
"net/textproto"
"strconv"
"golang.org/x/crypto/openpgp/armor"
"golang.org/x/crypto/openpgp/errors"
"golang.org/x/crypto/openpgp/packet"
)
// A Block represents a clearsigned message. A signature on a Block can
// be checked by passing Bytes into openpgp.CheckDetachedSignature.
type Block struct {
Headers textproto.MIMEHeader // Optional message headers
Plaintext []byte // The original message text
Bytes []byte // The signed message
ArmoredSignature *armor.Block // The signature block
}
// start is the marker which denotes the beginning of a clearsigned message.
var start = []byte("\n-----BEGIN PGP SIGNED MESSAGE-----")
// dashEscape is prefixed to any lines that begin with a hyphen so that they
// can't be confused with endText.
var dashEscape = []byte("- ")
// endText is a marker which denotes the end of the message and the start of
// an armored signature.
var endText = []byte("-----BEGIN PGP SIGNATURE-----")
// end is a marker which denotes the end of the armored signature.
var end = []byte("\n-----END PGP SIGNATURE-----")
var crlf = []byte("\r\n")
var lf = byte('\n')
// getLine returns the first \r\n or \n delineated line from the given byte
// array. The line does not include the \r\n or \n. The remainder of the byte
// array (also not including the new line bytes) is also returned and this will
// always be smaller than the original argument.
func getLine(data []byte) (line, rest []byte) {
i := bytes.Index(data, []byte{'\n'})
var j int
if i < 0 {
i = len(data)
j = i
} else {
j = i + 1
if i > 0 && data[i-1] == '\r' {
i--
}
}
return data[0:i], data[j:]
}
// Decode finds the first clearsigned message in data and returns it, as well
// as the suffix of data which remains after the message.
func Decode(data []byte) (b *Block, rest []byte) {
// start begins with a newline. However, at the very beginning of
// the byte array, we'll accept the start string without it.
rest = data
if bytes.HasPrefix(data, start[1:]) {
rest = rest[len(start)-1:]
} else if i := bytes.Index(data, start); i >= 0 {
rest = rest[i+len(start):]
} else {
return nil, data
}
// Consume the start line.
_, rest = getLine(rest)
var line []byte
b = &Block{
Headers: make(textproto.MIMEHeader),
}
// Next come a series of header lines.
for {
// This loop terminates because getLine's second result is
// always smaller than its argument.
if len(rest) == 0 {
return nil, data
}
// An empty line marks the end of the headers.
if line, rest = getLine(rest); len(line) == 0 {
break
}
i := bytes.Index(line, []byte{':'})
if i == -1 {
return nil, data
}
key, val := line[0:i], line[i+1:]
key = bytes.TrimSpace(key)
val = bytes.TrimSpace(val)
b.Headers.Add(string(key), string(val))
}
firstLine := true
for {
start := rest
line, rest = getLine(rest)
if len(line) == 0 && len(rest) == 0 {
// No armored data was found, so this isn't a complete message.
return nil, data
}
if bytes.Equal(line, endText) {
// Back up to the start of the line because armor expects to see the
// header line.
rest = start
break
}
// The final CRLF isn't included in the hash so we don't write it until
// we've seen the next line.
if firstLine {
firstLine = false
} else {
b.Bytes = append(b.Bytes, crlf...)
}
if bytes.HasPrefix(line, dashEscape) {
line = line[2:]
}
line = bytes.TrimRight(line, " \t")
b.Bytes = append(b.Bytes, line...)
b.Plaintext = append(b.Plaintext, line...)
b.Plaintext = append(b.Plaintext, lf)
}
// We want to find the extent of the armored data (including any newlines at
// the end).
i := bytes.Index(rest, end)
if i == -1 {
return nil, data
}
i += len(end)
for i < len(rest) && (rest[i] == '\r' || rest[i] == '\n') {
i++
}
armored := rest[:i]
rest = rest[i:]
var err error
b.ArmoredSignature, err = armor.Decode(bytes.NewBuffer(armored))
if err != nil {
return nil, data
}
return b, rest
}
// A dashEscaper is an io.WriteCloser which processes the body of a clear-signed
// message. The clear-signed message is written to buffered and a hash, suitable
// for signing, is maintained in h.
//
// When closed, an armored signature is created and written to complete the
// message.
type dashEscaper struct {
buffered *bufio.Writer
h hash.Hash
hashType crypto.Hash
atBeginningOfLine bool
isFirstLine bool
whitespace []byte
byteBuf []byte // a one byte buffer to save allocations
privateKey *packet.PrivateKey
config *packet.Config
}
func (d *dashEscaper) Write(data []byte) (n int, err error) {
for _, b := range data {
d.byteBuf[0] = b
if d.atBeginningOfLine {
// The final CRLF isn't included in the hash so we have to wait
// until this point (the start of the next line) before writing it.
if !d.isFirstLine {
d.h.Write(crlf)
}
d.isFirstLine = false
}
// Any whitespace at the end of the line has to be removed so we
// buffer it until we find out whether there's more on this line.
if b == ' ' || b == '\t' || b == '\r' {
d.whitespace = append(d.whitespace, b)
d.atBeginningOfLine = false
continue
}
if d.atBeginningOfLine {
// At the beginning of a line, hyphens have to be escaped.
if b == '-' {
// The signature isn't calculated over the dash-escaped text so
// the escape is only written to buffered.
if _, err = d.buffered.Write(dashEscape); err != nil {
return
}
d.h.Write(d.byteBuf)
d.atBeginningOfLine = false
} else if b == '\n' {
// Nothing to do because we delay writing CRLF to the hash.
} else {
d.h.Write(d.byteBuf)
d.atBeginningOfLine = false
}
if err = d.buffered.WriteByte(b); err != nil {
return
}
} else {
if b == '\n' {
// We got a raw \n. Drop any trailing whitespace and write a
// CRLF.
d.whitespace = d.whitespace[:0]
// We delay writing CRLF to the hash until the start of the
// next line.
if err = d.buffered.WriteByte(b); err != nil {
return
}
d.atBeginningOfLine = true
} else {
// Any buffered whitespace wasn't at the end of the line so
// we need to write it out.
if len(d.whitespace) > 0 {
d.h.Write(d.whitespace)
if _, err = d.buffered.Write(d.whitespace); err != nil {
return
}
d.whitespace = d.whitespace[:0]
}
d.h.Write(d.byteBuf)
if err = d.buffered.WriteByte(b); err != nil {
return
}
}
}
}
n = len(data)
return
}
func (d *dashEscaper) Close() (err error) {
if !d.atBeginningOfLine {
if err = d.buffered.WriteByte(lf); err != nil {
return
}
}
sig := new(packet.Signature)
sig.SigType = packet.SigTypeText
sig.PubKeyAlgo = d.privateKey.PubKeyAlgo
sig.Hash = d.hashType
sig.CreationTime = d.config.Now()
sig.IssuerKeyId = &d.privateKey.KeyId
if err = sig.Sign(d.h, d.privateKey, d.config); err != nil {
return
}
out, err := armor.Encode(d.buffered, "PGP SIGNATURE", nil)
if err != nil {
return
}
if err = sig.Serialize(out); err != nil {
return
}
if err = out.Close(); err != nil {
return
}
if err = d.buffered.Flush(); err != nil {
return
}
return
}
// Encode returns a WriteCloser which will clear-sign a message with privateKey
// and write it to w. If config is nil, sensible defaults are used.
func Encode(w io.Writer, privateKey *packet.PrivateKey, config *packet.Config) (plaintext io.WriteCloser, err error) {
if privateKey.Encrypted {
return nil, errors.InvalidArgumentError("signing key is encrypted")
}
hashType := config.Hash()
name := nameOfHash(hashType)
if len(name) == 0 {
return nil, errors.UnsupportedError("unknown hash type: " + strconv.Itoa(int(hashType)))
}
if !hashType.Available() {
return nil, errors.UnsupportedError("unsupported hash type: " + strconv.Itoa(int(hashType)))
}
h := hashType.New()
buffered := bufio.NewWriter(w)
// start has a \n at the beginning that we don't want here.
if _, err = buffered.Write(start[1:]); err != nil {
return
}
if err = buffered.WriteByte(lf); err != nil {
return
}
if _, err = buffered.WriteString("Hash: "); err != nil {
return
}
if _, err = buffered.WriteString(name); err != nil {
return
}
if err = buffered.WriteByte(lf); err != nil {
return
}
if err = buffered.WriteByte(lf); err != nil {
return
}
plaintext = &dashEscaper{
buffered: buffered,
h: h,
hashType: hashType,
atBeginningOfLine: true,
isFirstLine: true,
byteBuf: make([]byte, 1),
privateKey: privateKey,
config: config,
}
return
}
// nameOfHash returns the OpenPGP name for the given hash, or the empty string
// if the name isn't known. See RFC 4880, section 9.4.
func nameOfHash(h crypto.Hash) string {
switch h {
case crypto.MD5:
return "MD5"
case crypto.SHA1:
return "SHA1"
case crypto.RIPEMD160:
return "RIPEMD160"
case crypto.SHA224:
return "SHA224"
case crypto.SHA256:
return "SHA256"
case crypto.SHA384:
return "SHA384"
case crypto.SHA512:
return "SHA512"
}
return ""
}

210
vendor/golang.org/x/crypto/openpgp/clearsign/clearsign_test.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package clearsign
import (
"bytes"
"golang.org/x/crypto/openpgp"
"testing"
)
func testParse(t *testing.T, input []byte, expected, expectedPlaintext string) {
b, rest := Decode(input)
if b == nil {
t.Fatal("failed to decode clearsign message")
}
if !bytes.Equal(rest, []byte("trailing")) {
t.Errorf("unexpected remaining bytes returned: %s", string(rest))
}
if b.ArmoredSignature.Type != "PGP SIGNATURE" {
t.Errorf("bad armor type, got:%s, want:PGP SIGNATURE", b.ArmoredSignature.Type)
}
if !bytes.Equal(b.Bytes, []byte(expected)) {
t.Errorf("bad body, got:%x want:%x", b.Bytes, expected)
}
if !bytes.Equal(b.Plaintext, []byte(expectedPlaintext)) {
t.Errorf("bad plaintext, got:%x want:%x", b.Plaintext, expectedPlaintext)
}
keyring, err := openpgp.ReadArmoredKeyRing(bytes.NewBufferString(signingKey))
if err != nil {
t.Errorf("failed to parse public key: %s", err)
}
if _, err := openpgp.CheckDetachedSignature(keyring, bytes.NewBuffer(b.Bytes), b.ArmoredSignature.Body); err != nil {
t.Errorf("failed to check signature: %s", err)
}
}
func TestParse(t *testing.T) {
testParse(t, clearsignInput, "Hello world\r\nline 2", "Hello world\nline 2\n")
testParse(t, clearsignInput2, "\r\n\r\n(This message has a couple of blank lines at the start and end.)\r\n\r\n", "\n\n(This message has a couple of blank lines at the start and end.)\n\n\n")
}
func TestParseInvalid(t *testing.T) {
if b, _ := Decode(clearsignInput3); b != nil {
t.Fatal("decoded a bad clearsigned message without any error")
}
}
func TestParseWithNoNewlineAtEnd(t *testing.T) {
input := clearsignInput
input = input[:len(input)-len("trailing")-1]
b, rest := Decode(input)
if b == nil {
t.Fatal("failed to decode clearsign message")
}
if len(rest) > 0 {
t.Errorf("unexpected remaining bytes returned: %s", string(rest))
}
}
var signingTests = []struct {
in, signed, plaintext string
}{
{"", "", ""},
{"a", "a", "a\n"},
{"a\n", "a", "a\n"},
{"-a\n", "-a", "-a\n"},
{"--a\nb", "--a\r\nb", "--a\nb\n"},
// leading whitespace
{" a\n", " a", " a\n"},
{" a\n", " a", " a\n"},
// trailing whitespace (should be stripped)
{"a \n", "a", "a\n"},
{"a ", "a", "a\n"},
// whitespace-only lines (should be stripped)
{" \n", "", "\n"},
{" ", "", "\n"},
{"a\n \n \nb\n", "a\r\n\r\n\r\nb", "a\n\n\nb\n"},
}
func TestSigning(t *testing.T) {
keyring, err := openpgp.ReadArmoredKeyRing(bytes.NewBufferString(signingKey))
if err != nil {
t.Errorf("failed to parse public key: %s", err)
}
for i, test := range signingTests {
var buf bytes.Buffer
plaintext, err := Encode(&buf, keyring[0].PrivateKey, nil)
if err != nil {
t.Errorf("#%d: error from Encode: %s", i, err)
continue
}
if _, err := plaintext.Write([]byte(test.in)); err != nil {
t.Errorf("#%d: error from Write: %s", i, err)
continue
}
if err := plaintext.Close(); err != nil {
t.Fatalf("#%d: error from Close: %s", i, err)
continue
}
b, _ := Decode(buf.Bytes())
if b == nil {
t.Errorf("#%d: failed to decode clearsign message", i)
continue
}
if !bytes.Equal(b.Bytes, []byte(test.signed)) {
t.Errorf("#%d: bad result, got:%x, want:%x", i, b.Bytes, test.signed)
continue
}
if !bytes.Equal(b.Plaintext, []byte(test.plaintext)) {
t.Errorf("#%d: bad result, got:%x, want:%x", i, b.Plaintext, test.plaintext)
continue
}
if _, err := openpgp.CheckDetachedSignature(keyring, bytes.NewBuffer(b.Bytes), b.ArmoredSignature.Body); err != nil {
t.Errorf("#%d: failed to check signature: %s", i, err)
}
}
}
var clearsignInput = []byte(`
;lasjlkfdsa
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Hello world
line 2
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.10 (GNU/Linux)
iJwEAQECAAYFAk8kMuEACgkQO9o98PRieSpMsAQAhmY/vwmNpflrPgmfWsYhk5O8
pjnBUzZwqTDoDeINjZEoPDSpQAHGhjFjgaDx/Gj4fAl0dM4D0wuUEBb6QOrwflog
2A2k9kfSOMOtk0IH/H5VuFN1Mie9L/erYXjTQIptv9t9J7NoRBMU0QOOaFU0JaO9
MyTpno24AjIAGb+mH1U=
=hIJ6
-----END PGP SIGNATURE-----
trailing`)
var clearsignInput2 = []byte(`
asdlfkjasdlkfjsadf
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
(This message has a couple of blank lines at the start and end.)
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
iJwEAQEIAAYFAlPpSREACgkQO9o98PRieSpZTAP+M8QUoCt/7Rf3YbXPcdzIL32v
pt1I+cMNeopzfLy0u4ioEFi8s5VkwpL1AFmirvgViCwlf82inoRxzZRiW05JQ5LI
ESEzeCoy2LIdRCQ2hcrG8pIUPzUO4TqO5D/dMbdHwNH4h5nNmGJUAEG6FpURlPm+
qZg6BaTvOxepqOxnhVU=
=e+C6
-----END PGP SIGNATURE-----
trailing`)
var clearsignInput3 = []byte(`
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
(This message was truncated.)
`)
var signingKey = `-----BEGIN PGP PRIVATE KEY BLOCK-----
Version: GnuPG v1.4.10 (GNU/Linux)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=zNCn
-----END PGP PRIVATE KEY BLOCK-----
`

122
vendor/golang.org/x/crypto/openpgp/elgamal/elgamal.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package elgamal implements ElGamal encryption, suitable for OpenPGP,
// as specified in "A Public-Key Cryptosystem and a Signature Scheme Based on
// Discrete Logarithms," IEEE Transactions on Information Theory, v. IT-31,
// n. 4, 1985, pp. 469-472.
//
// This form of ElGamal embeds PKCS#1 v1.5 padding, which may make it
// unsuitable for other protocols. RSA should be used in preference in any
// case.
package elgamal // import "golang.org/x/crypto/openpgp/elgamal"
import (
"crypto/rand"
"crypto/subtle"
"errors"
"io"
"math/big"
)
// PublicKey represents an ElGamal public key.
type PublicKey struct {
G, P, Y *big.Int
}
// PrivateKey represents an ElGamal private key.
type PrivateKey struct {
PublicKey
X *big.Int
}
// Encrypt encrypts the given message to the given public key. The result is a
// pair of integers. Errors can result from reading random, or because msg is
// too large to be encrypted to the public key.
func Encrypt(random io.Reader, pub *PublicKey, msg []byte) (c1, c2 *big.Int, err error) {
pLen := (pub.P.BitLen() + 7) / 8
if len(msg) > pLen-11 {
err = errors.New("elgamal: message too long")
return
}
// EM = 0x02 || PS || 0x00 || M
em := make([]byte, pLen-1)
em[0] = 2
ps, mm := em[1:len(em)-len(msg)-1], em[len(em)-len(msg):]
err = nonZeroRandomBytes(ps, random)
if err != nil {
return
}
em[len(em)-len(msg)-1] = 0
copy(mm, msg)
m := new(big.Int).SetBytes(em)
k, err := rand.Int(random, pub.P)
if err != nil {
return
}
c1 = new(big.Int).Exp(pub.G, k, pub.P)
s := new(big.Int).Exp(pub.Y, k, pub.P)
c2 = s.Mul(s, m)
c2.Mod(c2, pub.P)
return
}
// Decrypt takes two integers, resulting from an ElGamal encryption, and
// returns the plaintext of the message. An error can result only if the
// ciphertext is invalid. Users should keep in mind that this is a padding
// oracle and thus, if exposed to an adaptive chosen ciphertext attack, can
// be used to break the cryptosystem. See ``Chosen Ciphertext Attacks
// Against Protocols Based on the RSA Encryption Standard PKCS #1'', Daniel
// Bleichenbacher, Advances in Cryptology (Crypto '98),
func Decrypt(priv *PrivateKey, c1, c2 *big.Int) (msg []byte, err error) {
s := new(big.Int).Exp(c1, priv.X, priv.P)
s.ModInverse(s, priv.P)
s.Mul(s, c2)
s.Mod(s, priv.P)
em := s.Bytes()
firstByteIsTwo := subtle.ConstantTimeByteEq(em[0], 2)
// The remainder of the plaintext must be a string of non-zero random
// octets, followed by a 0, followed by the message.
// lookingForIndex: 1 iff we are still looking for the zero.
// index: the offset of the first zero byte.
var lookingForIndex, index int
lookingForIndex = 1
for i := 1; i < len(em); i++ {
equals0 := subtle.ConstantTimeByteEq(em[i], 0)
index = subtle.ConstantTimeSelect(lookingForIndex&equals0, i, index)
lookingForIndex = subtle.ConstantTimeSelect(equals0, 0, lookingForIndex)
}
if firstByteIsTwo != 1 || lookingForIndex != 0 || index < 9 {
return nil, errors.New("elgamal: decryption error")
}
return em[index+1:], nil
}
// nonZeroRandomBytes fills the given slice with non-zero random octets.
func nonZeroRandomBytes(s []byte, rand io.Reader) (err error) {
_, err = io.ReadFull(rand, s)
if err != nil {
return
}
for i := 0; i < len(s); i++ {
for s[i] == 0 {
_, err = io.ReadFull(rand, s[i:i+1])
if err != nil {
return
}
}
}
return
}

49
vendor/golang.org/x/crypto/openpgp/elgamal/elgamal_test.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package elgamal
import (
"bytes"
"crypto/rand"
"math/big"
"testing"
)
// This is the 1024-bit MODP group from RFC 5114, section 2.1:
const primeHex = "B10B8F96A080E01DDE92DE5EAE5D54EC52C99FBCFB06A3C69A6A9DCA52D23B616073E28675A23D189838EF1E2EE652C013ECB4AEA906112324975C3CD49B83BFACCBDD7D90C4BD7098488E9C219A73724EFFD6FAE5644738FAA31A4FF55BCCC0A151AF5F0DC8B4BD45BF37DF365C1A65E68CFDA76D4DA708DF1FB2BC2E4A4371"
const generatorHex = "A4D1CBD5C3FD34126765A442EFB99905F8104DD258AC507FD6406CFF14266D31266FEA1E5C41564B777E690F5504F213160217B4B01B886A5E91547F9E2749F4D7FBD7D3B9A92EE1909D0D2263F80A76A6A24C087A091F531DBF0A0169B6A28AD662A4D18E73AFA32D779D5918D08BC8858F4DCEF97C2A24855E6EEB22B3B2E5"
func fromHex(hex string) *big.Int {
n, ok := new(big.Int).SetString(hex, 16)
if !ok {
panic("failed to parse hex number")
}
return n
}
func TestEncryptDecrypt(t *testing.T) {
priv := &PrivateKey{
PublicKey: PublicKey{
G: fromHex(generatorHex),
P: fromHex(primeHex),
},
X: fromHex("42"),
}
priv.Y = new(big.Int).Exp(priv.G, priv.X, priv.P)
message := []byte("hello world")
c1, c2, err := Encrypt(rand.Reader, &priv.PublicKey, message)
if err != nil {
t.Errorf("error encrypting: %s", err)
}
message2, err := Decrypt(priv, c1, c2)
if err != nil {
t.Errorf("error decrypting: %s", err)
}
if !bytes.Equal(message2, message) {
t.Errorf("decryption failed, got: %x, want: %x", message2, message)
}
}

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vendor/golang.org/x/crypto/openpgp/errors/errors.go generated vendored Normal file
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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package errors contains common error types for the OpenPGP packages.
package errors // import "golang.org/x/crypto/openpgp/errors"
import (
"strconv"
)
// A StructuralError is returned when OpenPGP data is found to be syntactically
// invalid.
type StructuralError string
func (s StructuralError) Error() string {
return "openpgp: invalid data: " + string(s)
}
// UnsupportedError indicates that, although the OpenPGP data is valid, it
// makes use of currently unimplemented features.
type UnsupportedError string
func (s UnsupportedError) Error() string {
return "openpgp: unsupported feature: " + string(s)
}
// InvalidArgumentError indicates that the caller is in error and passed an
// incorrect value.
type InvalidArgumentError string
func (i InvalidArgumentError) Error() string {
return "openpgp: invalid argument: " + string(i)
}
// SignatureError indicates that a syntactically valid signature failed to
// validate.
type SignatureError string
func (b SignatureError) Error() string {
return "openpgp: invalid signature: " + string(b)
}
type keyIncorrectError int
func (ki keyIncorrectError) Error() string {
return "openpgp: incorrect key"
}
var ErrKeyIncorrect error = keyIncorrectError(0)
type unknownIssuerError int
func (unknownIssuerError) Error() string {
return "openpgp: signature made by unknown entity"
}
var ErrUnknownIssuer error = unknownIssuerError(0)
type keyRevokedError int
func (keyRevokedError) Error() string {
return "openpgp: signature made by revoked key"
}
var ErrKeyRevoked error = keyRevokedError(0)
type UnknownPacketTypeError uint8
func (upte UnknownPacketTypeError) Error() string {
return "openpgp: unknown packet type: " + strconv.Itoa(int(upte))
}

633
vendor/golang.org/x/crypto/openpgp/keys.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package openpgp
import (
"crypto/rsa"
"io"
"time"
"golang.org/x/crypto/openpgp/armor"
"golang.org/x/crypto/openpgp/errors"
"golang.org/x/crypto/openpgp/packet"
)
// PublicKeyType is the armor type for a PGP public key.
var PublicKeyType = "PGP PUBLIC KEY BLOCK"
// PrivateKeyType is the armor type for a PGP private key.
var PrivateKeyType = "PGP PRIVATE KEY BLOCK"
// An Entity represents the components of an OpenPGP key: a primary public key
// (which must be a signing key), one or more identities claimed by that key,
// and zero or more subkeys, which may be encryption keys.
type Entity struct {
PrimaryKey *packet.PublicKey
PrivateKey *packet.PrivateKey
Identities map[string]*Identity // indexed by Identity.Name
Revocations []*packet.Signature
Subkeys []Subkey
}
// An Identity represents an identity claimed by an Entity and zero or more
// assertions by other entities about that claim.
type Identity struct {
Name string // by convention, has the form "Full Name (comment) <email@example.com>"
UserId *packet.UserId
SelfSignature *packet.Signature
Signatures []*packet.Signature
}
// A Subkey is an additional public key in an Entity. Subkeys can be used for
// encryption.
type Subkey struct {
PublicKey *packet.PublicKey
PrivateKey *packet.PrivateKey
Sig *packet.Signature
}
// A Key identifies a specific public key in an Entity. This is either the
// Entity's primary key or a subkey.
type Key struct {
Entity *Entity
PublicKey *packet.PublicKey
PrivateKey *packet.PrivateKey
SelfSignature *packet.Signature
}
// A KeyRing provides access to public and private keys.
type KeyRing interface {
// KeysById returns the set of keys that have the given key id.
KeysById(id uint64) []Key
// KeysByIdAndUsage returns the set of keys with the given id
// that also meet the key usage given by requiredUsage.
// The requiredUsage is expressed as the bitwise-OR of
// packet.KeyFlag* values.
KeysByIdUsage(id uint64, requiredUsage byte) []Key
// DecryptionKeys returns all private keys that are valid for
// decryption.
DecryptionKeys() []Key
}
// primaryIdentity returns the Identity marked as primary or the first identity
// if none are so marked.
func (e *Entity) primaryIdentity() *Identity {
var firstIdentity *Identity
for _, ident := range e.Identities {
if firstIdentity == nil {
firstIdentity = ident
}
if ident.SelfSignature.IsPrimaryId != nil && *ident.SelfSignature.IsPrimaryId {
return ident
}
}
return firstIdentity
}
// encryptionKey returns the best candidate Key for encrypting a message to the
// given Entity.
func (e *Entity) encryptionKey(now time.Time) (Key, bool) {
candidateSubkey := -1
// Iterate the keys to find the newest key
var maxTime time.Time
for i, subkey := range e.Subkeys {
if subkey.Sig.FlagsValid &&
subkey.Sig.FlagEncryptCommunications &&
subkey.PublicKey.PubKeyAlgo.CanEncrypt() &&
!subkey.Sig.KeyExpired(now) &&
(maxTime.IsZero() || subkey.Sig.CreationTime.After(maxTime)) {
candidateSubkey = i
maxTime = subkey.Sig.CreationTime
}
}
if candidateSubkey != -1 {
subkey := e.Subkeys[candidateSubkey]
return Key{e, subkey.PublicKey, subkey.PrivateKey, subkey.Sig}, true
}
// If we don't have any candidate subkeys for encryption and
// the primary key doesn't have any usage metadata then we
// assume that the primary key is ok. Or, if the primary key is
// marked as ok to encrypt to, then we can obviously use it.
i := e.primaryIdentity()
if !i.SelfSignature.FlagsValid || i.SelfSignature.FlagEncryptCommunications &&
e.PrimaryKey.PubKeyAlgo.CanEncrypt() &&
!i.SelfSignature.KeyExpired(now) {
return Key{e, e.PrimaryKey, e.PrivateKey, i.SelfSignature}, true
}
// This Entity appears to be signing only.
return Key{}, false
}
// signingKey return the best candidate Key for signing a message with this
// Entity.
func (e *Entity) signingKey(now time.Time) (Key, bool) {
candidateSubkey := -1
for i, subkey := range e.Subkeys {
if subkey.Sig.FlagsValid &&
subkey.Sig.FlagSign &&
subkey.PublicKey.PubKeyAlgo.CanSign() &&
!subkey.Sig.KeyExpired(now) {
candidateSubkey = i
break
}
}
if candidateSubkey != -1 {
subkey := e.Subkeys[candidateSubkey]
return Key{e, subkey.PublicKey, subkey.PrivateKey, subkey.Sig}, true
}
// If we have no candidate subkey then we assume that it's ok to sign
// with the primary key.
i := e.primaryIdentity()
if !i.SelfSignature.FlagsValid || i.SelfSignature.FlagSign &&
!i.SelfSignature.KeyExpired(now) {
return Key{e, e.PrimaryKey, e.PrivateKey, i.SelfSignature}, true
}
return Key{}, false
}
// An EntityList contains one or more Entities.
type EntityList []*Entity
// KeysById returns the set of keys that have the given key id.
func (el EntityList) KeysById(id uint64) (keys []Key) {
for _, e := range el {
if e.PrimaryKey.KeyId == id {
var selfSig *packet.Signature
for _, ident := range e.Identities {
if selfSig == nil {
selfSig = ident.SelfSignature
} else if ident.SelfSignature.IsPrimaryId != nil && *ident.SelfSignature.IsPrimaryId {
selfSig = ident.SelfSignature
break
}
}
keys = append(keys, Key{e, e.PrimaryKey, e.PrivateKey, selfSig})
}
for _, subKey := range e.Subkeys {
if subKey.PublicKey.KeyId == id {
keys = append(keys, Key{e, subKey.PublicKey, subKey.PrivateKey, subKey.Sig})
}
}
}
return
}
// KeysByIdAndUsage returns the set of keys with the given id that also meet
// the key usage given by requiredUsage. The requiredUsage is expressed as
// the bitwise-OR of packet.KeyFlag* values.
func (el EntityList) KeysByIdUsage(id uint64, requiredUsage byte) (keys []Key) {
for _, key := range el.KeysById(id) {
if len(key.Entity.Revocations) > 0 {
continue
}
if key.SelfSignature.RevocationReason != nil {
continue
}
if key.SelfSignature.FlagsValid && requiredUsage != 0 {
var usage byte
if key.SelfSignature.FlagCertify {
usage |= packet.KeyFlagCertify
}
if key.SelfSignature.FlagSign {
usage |= packet.KeyFlagSign
}
if key.SelfSignature.FlagEncryptCommunications {
usage |= packet.KeyFlagEncryptCommunications
}
if key.SelfSignature.FlagEncryptStorage {
usage |= packet.KeyFlagEncryptStorage
}
if usage&requiredUsage != requiredUsage {
continue
}
}
keys = append(keys, key)
}
return
}
// DecryptionKeys returns all private keys that are valid for decryption.
func (el EntityList) DecryptionKeys() (keys []Key) {
for _, e := range el {
for _, subKey := range e.Subkeys {
if subKey.PrivateKey != nil && (!subKey.Sig.FlagsValid || subKey.Sig.FlagEncryptStorage || subKey.Sig.FlagEncryptCommunications) {
keys = append(keys, Key{e, subKey.PublicKey, subKey.PrivateKey, subKey.Sig})
}
}
}
return
}
// ReadArmoredKeyRing reads one or more public/private keys from an armor keyring file.
func ReadArmoredKeyRing(r io.Reader) (EntityList, error) {
block, err := armor.Decode(r)
if err == io.EOF {
return nil, errors.InvalidArgumentError("no armored data found")
}
if err != nil {
return nil, err
}
if block.Type != PublicKeyType && block.Type != PrivateKeyType {
return nil, errors.InvalidArgumentError("expected public or private key block, got: " + block.Type)
}
return ReadKeyRing(block.Body)
}
// ReadKeyRing reads one or more public/private keys. Unsupported keys are
// ignored as long as at least a single valid key is found.
func ReadKeyRing(r io.Reader) (el EntityList, err error) {
packets := packet.NewReader(r)
var lastUnsupportedError error
for {
var e *Entity
e, err = ReadEntity(packets)
if err != nil {
// TODO: warn about skipped unsupported/unreadable keys
if _, ok := err.(errors.UnsupportedError); ok {
lastUnsupportedError = err
err = readToNextPublicKey(packets)
} else if _, ok := err.(errors.StructuralError); ok {
// Skip unreadable, badly-formatted keys
lastUnsupportedError = err
err = readToNextPublicKey(packets)
}
if err == io.EOF {
err = nil
break
}
if err != nil {
el = nil
break
}
} else {
el = append(el, e)
}
}
if len(el) == 0 && err == nil {
err = lastUnsupportedError
}
return
}
// readToNextPublicKey reads packets until the start of the entity and leaves
// the first packet of the new entity in the Reader.
func readToNextPublicKey(packets *packet.Reader) (err error) {
var p packet.Packet
for {
p, err = packets.Next()
if err == io.EOF {
return
} else if err != nil {
if _, ok := err.(errors.UnsupportedError); ok {
err = nil
continue
}
return
}
if pk, ok := p.(*packet.PublicKey); ok && !pk.IsSubkey {
packets.Unread(p)
return
}
}
panic("unreachable")
}
// ReadEntity reads an entity (public key, identities, subkeys etc) from the
// given Reader.
func ReadEntity(packets *packet.Reader) (*Entity, error) {
e := new(Entity)
e.Identities = make(map[string]*Identity)
p, err := packets.Next()
if err != nil {
return nil, err
}
var ok bool
if e.PrimaryKey, ok = p.(*packet.PublicKey); !ok {
if e.PrivateKey, ok = p.(*packet.PrivateKey); !ok {
packets.Unread(p)
return nil, errors.StructuralError("first packet was not a public/private key")
} else {
e.PrimaryKey = &e.PrivateKey.PublicKey
}
}
if !e.PrimaryKey.PubKeyAlgo.CanSign() {
return nil, errors.StructuralError("primary key cannot be used for signatures")
}
var current *Identity
var revocations []*packet.Signature
EachPacket:
for {
p, err := packets.Next()
if err == io.EOF {
break
} else if err != nil {
return nil, err
}
switch pkt := p.(type) {
case *packet.UserId:
current = new(Identity)
current.Name = pkt.Id
current.UserId = pkt
e.Identities[pkt.Id] = current
for {
p, err = packets.Next()
if err == io.EOF {
return nil, io.ErrUnexpectedEOF
} else if err != nil {
return nil, err
}
sig, ok := p.(*packet.Signature)
if !ok {
return nil, errors.StructuralError("user ID packet not followed by self-signature")
}
if (sig.SigType == packet.SigTypePositiveCert || sig.SigType == packet.SigTypeGenericCert) && sig.IssuerKeyId != nil && *sig.IssuerKeyId == e.PrimaryKey.KeyId {
if err = e.PrimaryKey.VerifyUserIdSignature(pkt.Id, e.PrimaryKey, sig); err != nil {
return nil, errors.StructuralError("user ID self-signature invalid: " + err.Error())
}
current.SelfSignature = sig
break
}
current.Signatures = append(current.Signatures, sig)
}
case *packet.Signature:
if pkt.SigType == packet.SigTypeKeyRevocation {
revocations = append(revocations, pkt)
} else if pkt.SigType == packet.SigTypeDirectSignature {
// TODO: RFC4880 5.2.1 permits signatures
// directly on keys (eg. to bind additional
// revocation keys).
} else if current == nil {
return nil, errors.StructuralError("signature packet found before user id packet")
} else {
current.Signatures = append(current.Signatures, pkt)
}
case *packet.PrivateKey:
if pkt.IsSubkey == false {
packets.Unread(p)
break EachPacket
}
err = addSubkey(e, packets, &pkt.PublicKey, pkt)
if err != nil {
return nil, err
}
case *packet.PublicKey:
if pkt.IsSubkey == false {
packets.Unread(p)
break EachPacket
}
err = addSubkey(e, packets, pkt, nil)
if err != nil {
return nil, err
}
default:
// we ignore unknown packets
}
}
if len(e.Identities) == 0 {
return nil, errors.StructuralError("entity without any identities")
}
for _, revocation := range revocations {
err = e.PrimaryKey.VerifyRevocationSignature(revocation)
if err == nil {
e.Revocations = append(e.Revocations, revocation)
} else {
// TODO: RFC 4880 5.2.3.15 defines revocation keys.
return nil, errors.StructuralError("revocation signature signed by alternate key")
}
}
return e, nil
}
func addSubkey(e *Entity, packets *packet.Reader, pub *packet.PublicKey, priv *packet.PrivateKey) error {
var subKey Subkey
subKey.PublicKey = pub
subKey.PrivateKey = priv
p, err := packets.Next()
if err == io.EOF {
return io.ErrUnexpectedEOF
}
if err != nil {
return errors.StructuralError("subkey signature invalid: " + err.Error())
}
var ok bool
subKey.Sig, ok = p.(*packet.Signature)
if !ok {
return errors.StructuralError("subkey packet not followed by signature")
}
if subKey.Sig.SigType != packet.SigTypeSubkeyBinding && subKey.Sig.SigType != packet.SigTypeSubkeyRevocation {
return errors.StructuralError("subkey signature with wrong type")
}
err = e.PrimaryKey.VerifyKeySignature(subKey.PublicKey, subKey.Sig)
if err != nil {
return errors.StructuralError("subkey signature invalid: " + err.Error())
}
e.Subkeys = append(e.Subkeys, subKey)
return nil
}
const defaultRSAKeyBits = 2048
// NewEntity returns an Entity that contains a fresh RSA/RSA keypair with a
// single identity composed of the given full name, comment and email, any of
// which may be empty but must not contain any of "()<>\x00".
// If config is nil, sensible defaults will be used.
func NewEntity(name, comment, email string, config *packet.Config) (*Entity, error) {
currentTime := config.Now()
bits := defaultRSAKeyBits
if config != nil && config.RSABits != 0 {
bits = config.RSABits
}
uid := packet.NewUserId(name, comment, email)
if uid == nil {
return nil, errors.InvalidArgumentError("user id field contained invalid characters")
}
signingPriv, err := rsa.GenerateKey(config.Random(), bits)
if err != nil {
return nil, err
}
encryptingPriv, err := rsa.GenerateKey(config.Random(), bits)
if err != nil {
return nil, err
}
e := &Entity{
PrimaryKey: packet.NewRSAPublicKey(currentTime, &signingPriv.PublicKey),
PrivateKey: packet.NewRSAPrivateKey(currentTime, signingPriv),
Identities: make(map[string]*Identity),
}
isPrimaryId := true
e.Identities[uid.Id] = &Identity{
Name: uid.Name,
UserId: uid,
SelfSignature: &packet.Signature{
CreationTime: currentTime,
SigType: packet.SigTypePositiveCert,
PubKeyAlgo: packet.PubKeyAlgoRSA,
Hash: config.Hash(),
IsPrimaryId: &isPrimaryId,
FlagsValid: true,
FlagSign: true,
FlagCertify: true,
IssuerKeyId: &e.PrimaryKey.KeyId,
},
}
e.Subkeys = make([]Subkey, 1)
e.Subkeys[0] = Subkey{
PublicKey: packet.NewRSAPublicKey(currentTime, &encryptingPriv.PublicKey),
PrivateKey: packet.NewRSAPrivateKey(currentTime, encryptingPriv),
Sig: &packet.Signature{
CreationTime: currentTime,
SigType: packet.SigTypeSubkeyBinding,
PubKeyAlgo: packet.PubKeyAlgoRSA,
Hash: config.Hash(),
FlagsValid: true,
FlagEncryptStorage: true,
FlagEncryptCommunications: true,
IssuerKeyId: &e.PrimaryKey.KeyId,
},
}
e.Subkeys[0].PublicKey.IsSubkey = true
e.Subkeys[0].PrivateKey.IsSubkey = true
return e, nil
}
// SerializePrivate serializes an Entity, including private key material, to
// the given Writer. For now, it must only be used on an Entity returned from
// NewEntity.
// If config is nil, sensible defaults will be used.
func (e *Entity) SerializePrivate(w io.Writer, config *packet.Config) (err error) {
err = e.PrivateKey.Serialize(w)
if err != nil {
return
}
for _, ident := range e.Identities {
err = ident.UserId.Serialize(w)
if err != nil {
return
}
err = ident.SelfSignature.SignUserId(ident.UserId.Id, e.PrimaryKey, e.PrivateKey, config)
if err != nil {
return
}
err = ident.SelfSignature.Serialize(w)
if err != nil {
return
}
}
for _, subkey := range e.Subkeys {
err = subkey.PrivateKey.Serialize(w)
if err != nil {
return
}
err = subkey.Sig.SignKey(subkey.PublicKey, e.PrivateKey, config)
if err != nil {
return
}
err = subkey.Sig.Serialize(w)
if err != nil {
return
}
}
return nil
}
// Serialize writes the public part of the given Entity to w. (No private
// key material will be output).
func (e *Entity) Serialize(w io.Writer) error {
err := e.PrimaryKey.Serialize(w)
if err != nil {
return err
}
for _, ident := range e.Identities {
err = ident.UserId.Serialize(w)
if err != nil {
return err
}
err = ident.SelfSignature.Serialize(w)
if err != nil {
return err
}
for _, sig := range ident.Signatures {
err = sig.Serialize(w)
if err != nil {
return err
}
}
}
for _, subkey := range e.Subkeys {
err = subkey.PublicKey.Serialize(w)
if err != nil {
return err
}
err = subkey.Sig.Serialize(w)
if err != nil {
return err
}
}
return nil
}
// SignIdentity adds a signature to e, from signer, attesting that identity is
// associated with e. The provided identity must already be an element of
// e.Identities and the private key of signer must have been decrypted if
// necessary.
// If config is nil, sensible defaults will be used.
func (e *Entity) SignIdentity(identity string, signer *Entity, config *packet.Config) error {
if signer.PrivateKey == nil {
return errors.InvalidArgumentError("signing Entity must have a private key")
}
if signer.PrivateKey.Encrypted {
return errors.InvalidArgumentError("signing Entity's private key must be decrypted")
}
ident, ok := e.Identities[identity]
if !ok {
return errors.InvalidArgumentError("given identity string not found in Entity")
}
sig := &packet.Signature{
SigType: packet.SigTypeGenericCert,
PubKeyAlgo: signer.PrivateKey.PubKeyAlgo,
Hash: config.Hash(),
CreationTime: config.Now(),
IssuerKeyId: &signer.PrivateKey.KeyId,
}
if err := sig.SignUserId(identity, e.PrimaryKey, signer.PrivateKey, config); err != nil {
return err
}
ident.Signatures = append(ident.Signatures, sig)
return nil
}

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vendor/golang.org/x/crypto/openpgp/keys_test.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package packet
import (
"compress/bzip2"
"compress/flate"
"compress/zlib"
"golang.org/x/crypto/openpgp/errors"
"io"
"strconv"
)
// Compressed represents a compressed OpenPGP packet. The decompressed contents
// will contain more OpenPGP packets. See RFC 4880, section 5.6.
type Compressed struct {
Body io.Reader
}
const (
NoCompression = flate.NoCompression
BestSpeed = flate.BestSpeed
BestCompression = flate.BestCompression
DefaultCompression = flate.DefaultCompression
)
// CompressionConfig contains compressor configuration settings.
type CompressionConfig struct {
// Level is the compression level to use. It must be set to
// between -1 and 9, with -1 causing the compressor to use the
// default compression level, 0 causing the compressor to use
// no compression and 1 to 9 representing increasing (better,
// slower) compression levels. If Level is less than -1 or
// more then 9, a non-nil error will be returned during
// encryption. See the constants above for convenient common
// settings for Level.
Level int
}
func (c *Compressed) parse(r io.Reader) error {
var buf [1]byte
_, err := readFull(r, buf[:])
if err != nil {
return err
}
switch buf[0] {
case 1:
c.Body = flate.NewReader(r)
case 2:
c.Body, err = zlib.NewReader(r)
case 3:
c.Body = bzip2.NewReader(r)
default:
err = errors.UnsupportedError("unknown compression algorithm: " + strconv.Itoa(int(buf[0])))
}
return err
}
// compressedWriterCloser represents the serialized compression stream
// header and the compressor. Its Close() method ensures that both the
// compressor and serialized stream header are closed. Its Write()
// method writes to the compressor.
type compressedWriteCloser struct {
sh io.Closer // Stream Header
c io.WriteCloser // Compressor
}
func (cwc compressedWriteCloser) Write(p []byte) (int, error) {
return cwc.c.Write(p)
}
func (cwc compressedWriteCloser) Close() (err error) {
err = cwc.c.Close()
if err != nil {
return err
}
return cwc.sh.Close()
}
// SerializeCompressed serializes a compressed data packet to w and
// returns a WriteCloser to which the literal data packets themselves
// can be written and which MUST be closed on completion. If cc is
// nil, sensible defaults will be used to configure the compression
// algorithm.
func SerializeCompressed(w io.WriteCloser, algo CompressionAlgo, cc *CompressionConfig) (literaldata io.WriteCloser, err error) {
compressed, err := serializeStreamHeader(w, packetTypeCompressed)
if err != nil {
return
}
_, err = compressed.Write([]byte{uint8(algo)})
if err != nil {
return
}
level := DefaultCompression
if cc != nil {
level = cc.Level
}
var compressor io.WriteCloser
switch algo {
case CompressionZIP:
compressor, err = flate.NewWriter(compressed, level)
case CompressionZLIB:
compressor, err = zlib.NewWriterLevel(compressed, level)
default:
s := strconv.Itoa(int(algo))
err = errors.UnsupportedError("Unsupported compression algorithm: " + s)
}
if err != nil {
return
}
literaldata = compressedWriteCloser{compressed, compressor}
return
}

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vendor/golang.org/x/crypto/openpgp/packet/compressed_test.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package packet
import (
"bytes"
"encoding/hex"
"io"
"io/ioutil"
"testing"
)
func TestCompressed(t *testing.T) {
packet, err := Read(readerFromHex(compressedHex))
if err != nil {
t.Errorf("failed to read Compressed: %s", err)
return
}
c, ok := packet.(*Compressed)
if !ok {
t.Error("didn't find Compressed packet")
return
}
contents, err := ioutil.ReadAll(c.Body)
if err != nil && err != io.EOF {
t.Error(err)
return
}
expected, _ := hex.DecodeString(compressedExpectedHex)
if !bytes.Equal(expected, contents) {
t.Errorf("got:%x want:%x", contents, expected)
}
}
const compressedHex = "a3013b2d90c4e02b72e25f727e5e496a5e49b11e1700"
const compressedExpectedHex = "cb1062004d14c8fe636f6e74656e74732e0a"

91
vendor/golang.org/x/crypto/openpgp/packet/config.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package packet
import (
"crypto"
"crypto/rand"
"io"
"time"
)
// Config collects a number of parameters along with sensible defaults.
// A nil *Config is valid and results in all default values.
type Config struct {
// Rand provides the source of entropy.
// If nil, the crypto/rand Reader is used.
Rand io.Reader
// DefaultHash is the default hash function to be used.
// If zero, SHA-256 is used.
DefaultHash crypto.Hash
// DefaultCipher is the cipher to be used.
// If zero, AES-128 is used.
DefaultCipher CipherFunction
// Time returns the current time as the number of seconds since the
// epoch. If Time is nil, time.Now is used.
Time func() time.Time
// DefaultCompressionAlgo is the compression algorithm to be
// applied to the plaintext before encryption. If zero, no
// compression is done.
DefaultCompressionAlgo CompressionAlgo
// CompressionConfig configures the compression settings.
CompressionConfig *CompressionConfig
// S2KCount is only used for symmetric encryption. It
// determines the strength of the passphrase stretching when
// the said passphrase is hashed to produce a key. S2KCount
// should be between 1024 and 65011712, inclusive. If Config
// is nil or S2KCount is 0, the value 65536 used. Not all
// values in the above range can be represented. S2KCount will
// be rounded up to the next representable value if it cannot
// be encoded exactly. When set, it is strongly encrouraged to
// use a value that is at least 65536. See RFC 4880 Section
// 3.7.1.3.
S2KCount int
// RSABits is the number of bits in new RSA keys made with NewEntity.
// If zero, then 2048 bit keys are created.
RSABits int
}
func (c *Config) Random() io.Reader {
if c == nil || c.Rand == nil {
return rand.Reader
}
return c.Rand
}
func (c *Config) Hash() crypto.Hash {
if c == nil || uint(c.DefaultHash) == 0 {
return crypto.SHA256
}
return c.DefaultHash
}
func (c *Config) Cipher() CipherFunction {
if c == nil || uint8(c.DefaultCipher) == 0 {
return CipherAES128
}
return c.DefaultCipher
}
func (c *Config) Now() time.Time {
if c == nil || c.Time == nil {
return time.Now()
}
return c.Time()
}
func (c *Config) Compression() CompressionAlgo {
if c == nil {
return CompressionNone
}
return c.DefaultCompressionAlgo
}
func (c *Config) PasswordHashIterations() int {
if c == nil || c.S2KCount == 0 {
return 0
}
return c.S2KCount
}

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