--- /dev/null
+// GoGOST -- Pure Go GOST cryptographic functions library
+// Copyright (C) 2015-2019 Sergey Matveev <stargrave@stargrave.org>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 3 of the License.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+package gost34112012
+
+import (
+ "bytes"
+ "crypto/rand"
+ "encoding"
+ "hash"
+ "testing"
+ "testing/quick"
+)
+
+func TestHashInterface(t *testing.T) {
+ h := New(64)
+ var _ hash.Hash = h
+ var _ encoding.BinaryMarshaler = h
+ var _ encoding.BinaryUnmarshaler = h
+}
+
+func TestVectors(t *testing.T) {
+ h512 := New(64)
+ h256 := New(32)
+
+ t.Run("1", func(t *testing.T) {
+ m := []byte{
+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+ 0x38, 0x39, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
+ 0x36, 0x37, 0x38, 0x39, 0x30, 0x31, 0x32, 0x33,
+ 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30, 0x31,
+ 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+ 0x38, 0x39, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
+ 0x36, 0x37, 0x38, 0x39, 0x30, 0x31, 0x32,
+ }
+ h512.Write(m)
+ if bytes.Compare(h512.Sum(nil), []byte{
+ 0x1b, 0x54, 0xd0, 0x1a, 0x4a, 0xf5, 0xb9, 0xd5,
+ 0xcc, 0x3d, 0x86, 0xd6, 0x8d, 0x28, 0x54, 0x62,
+ 0xb1, 0x9a, 0xbc, 0x24, 0x75, 0x22, 0x2f, 0x35,
+ 0xc0, 0x85, 0x12, 0x2b, 0xe4, 0xba, 0x1f, 0xfa,
+ 0x00, 0xad, 0x30, 0xf8, 0x76, 0x7b, 0x3a, 0x82,
+ 0x38, 0x4c, 0x65, 0x74, 0xf0, 0x24, 0xc3, 0x11,
+ 0xe2, 0xa4, 0x81, 0x33, 0x2b, 0x08, 0xef, 0x7f,
+ 0x41, 0x79, 0x78, 0x91, 0xc1, 0x64, 0x6f, 0x48,
+ }) != 0 {
+ t.FailNow()
+ }
+ h256.Write(m)
+ if bytes.Compare(h256.Sum(nil), []byte{
+ 0x9d, 0x15, 0x1e, 0xef, 0xd8, 0x59, 0x0b, 0x89,
+ 0xda, 0xa6, 0xba, 0x6c, 0xb7, 0x4a, 0xf9, 0x27,
+ 0x5d, 0xd0, 0x51, 0x02, 0x6b, 0xb1, 0x49, 0xa4,
+ 0x52, 0xfd, 0x84, 0xe5, 0xe5, 0x7b, 0x55, 0x00,
+ }) != 0 {
+ t.FailNow()
+ }
+ })
+
+ t.Run("Се ветри", func(t *testing.T) {
+ // It is CP1251-encoded "Се ветри, Стрибожи внуци, веютъ с моря
+ // стрелами на храбрыя плъкы Игоревы" string
+ h512.Reset()
+ h256.Reset()
+ m := []byte{
+ 0xd1, 0xe5, 0x20, 0xe2, 0xe5, 0xf2, 0xf0, 0xe8,
+ 0x2c, 0x20, 0xd1, 0xf2, 0xf0, 0xe8, 0xe1, 0xee,
+ 0xe6, 0xe8, 0x20, 0xe2, 0xed, 0xf3, 0xf6, 0xe8,
+ 0x2c, 0x20, 0xe2, 0xe5, 0xfe, 0xf2, 0xfa, 0x20,
+ 0xf1, 0x20, 0xec, 0xee, 0xf0, 0xff, 0x20, 0xf1,
+ 0xf2, 0xf0, 0xe5, 0xeb, 0xe0, 0xec, 0xe8, 0x20,
+ 0xed, 0xe0, 0x20, 0xf5, 0xf0, 0xe0, 0xe1, 0xf0,
+ 0xfb, 0xff, 0x20, 0xef, 0xeb, 0xfa, 0xea, 0xfb,
+ 0x20, 0xc8, 0xe3, 0xee, 0xf0, 0xe5, 0xe2, 0xfb,
+ }
+ h512.Write(m)
+ if bytes.Compare(h512.Sum(nil), []byte{
+ 0x1e, 0x88, 0xe6, 0x22, 0x26, 0xbf, 0xca, 0x6f,
+ 0x99, 0x94, 0xf1, 0xf2, 0xd5, 0x15, 0x69, 0xe0,
+ 0xda, 0xf8, 0x47, 0x5a, 0x3b, 0x0f, 0xe6, 0x1a,
+ 0x53, 0x00, 0xee, 0xe4, 0x6d, 0x96, 0x13, 0x76,
+ 0x03, 0x5f, 0xe8, 0x35, 0x49, 0xad, 0xa2, 0xb8,
+ 0x62, 0x0f, 0xcd, 0x7c, 0x49, 0x6c, 0xe5, 0xb3,
+ 0x3f, 0x0c, 0xb9, 0xdd, 0xdc, 0x2b, 0x64, 0x60,
+ 0x14, 0x3b, 0x03, 0xda, 0xba, 0xc9, 0xfb, 0x28,
+ }) != 0 {
+ t.FailNow()
+ }
+ h256.Write(m)
+ if bytes.Compare(h256.Sum(nil), []byte{
+ 0x9d, 0xd2, 0xfe, 0x4e, 0x90, 0x40, 0x9e, 0x5d,
+ 0xa8, 0x7f, 0x53, 0x97, 0x6d, 0x74, 0x05, 0xb0,
+ 0xc0, 0xca, 0xc6, 0x28, 0xfc, 0x66, 0x9a, 0x74,
+ 0x1d, 0x50, 0x06, 0x3c, 0x55, 0x7e, 0x8f, 0x50,
+ }) != 0 {
+ t.FailNow()
+ }
+ })
+
+ t.Run("https://habr.com/ru/post/450024/", func(t *testing.T) {
+ h256.Reset()
+ m := []byte{
+ 0xd0, 0xcf, 0x11, 0xe0, 0xa1, 0xb1, 0x1a, 0xe1,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x3e, 0x00, 0x03, 0x00, 0xfe, 0xff, 0x09, 0x00,
+ 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x10, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0xfe, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ }
+ h256.Write(m)
+ if bytes.Compare(h256.Sum(nil), []byte{
+ 0xc7, 0x66, 0x08, 0x55, 0x40, 0xca, 0xaa, 0x89,
+ 0x53, 0xbf, 0xcf, 0x7a, 0x1b, 0xa2, 0x20, 0x61,
+ 0x9c, 0xee, 0x50, 0xd6, 0x5d, 0xc2, 0x42, 0xf8,
+ 0x2f, 0x23, 0xba, 0x4b, 0x18, 0x0b, 0x18, 0xe0,
+ }) != 0 {
+ t.FailNow()
+ }
+ })
+}
+
+func TestBlocksized(t *testing.T) {
+ h := New(64)
+ m := make([]byte, BlockSize)
+ for i := 0; i < BlockSize; i++ {
+ m[i] = byte(i)
+ }
+ h.Write(m)
+ if bytes.Compare(h.Sum(nil), []byte{
+ 0x2a, 0xe5, 0x81, 0xf1, 0x8a, 0xe8, 0x5e, 0x35,
+ 0x96, 0xc9, 0x36, 0xac, 0xbe, 0xf9, 0x10, 0xf2,
+ 0xed, 0x70, 0xdc, 0xf9, 0x1e, 0xd5, 0xd2, 0x4b,
+ 0x39, 0xa5, 0xaf, 0x65, 0x7b, 0xf8, 0x23, 0x2a,
+ 0x30, 0x3d, 0x68, 0x60, 0x56, 0xc8, 0xc0, 0x0b,
+ 0xf3, 0x0d, 0x42, 0xe1, 0x6c, 0xe2, 0x55, 0x42,
+ 0x6f, 0xa8, 0xa1, 0x55, 0xdc, 0xb3, 0xeb, 0x82,
+ 0x2d, 0x92, 0x58, 0x08, 0xf7, 0xc7, 0xe3, 0x45,
+ }) != 0 {
+ t.FailNow()
+ }
+}
+
+func TestBehaviour(t *testing.T) {
+ h := New(64)
+ // Sum does not change the state
+ hsh1 := h.Sum(nil)
+ if bytes.Compare(h.Sum(nil), hsh1) != 0 {
+ t.FailNow()
+ }
+ // No data equals to no state changing
+ h.Write([]byte{})
+ if bytes.Compare(h.Sum(nil), hsh1) != 0 {
+ t.FailNow()
+ }
+ // Just to be sure
+ h.Write([]byte{})
+ if bytes.Compare(h.Sum(nil), hsh1) != 0 {
+ t.FailNow()
+ }
+}
+
+func TestRandom(t *testing.T) {
+ h := New(64)
+ f := func(data []byte) bool {
+ h.Reset()
+ h.Write(data)
+ d1 := h.Sum(nil)
+ h1Raw, err := h.MarshalBinary()
+ if err != nil {
+ return false
+ }
+ h.Reset()
+ for _, c := range data {
+ h.Write([]byte{c})
+ }
+ d2 := h.Sum(nil)
+ if bytes.Compare(d1, d2) != 0 {
+ return false
+ }
+ h2Raw, err := h.MarshalBinary()
+ if err != nil {
+ return false
+ }
+ if bytes.Compare(h1Raw, h2Raw) != 0 {
+ return false
+ }
+ hNew := New(64)
+ if err = hNew.UnmarshalBinary(h1Raw); err != nil {
+ return false
+ }
+ return bytes.Compare(hNew.Sum(nil), d1) == 0
+ }
+ if err := quick.Check(f, nil); err != nil {
+ t.Error(err)
+ }
+}
+
+func BenchmarkHash(b *testing.B) {
+ h := New(64)
+ src := make([]byte, BlockSize+1)
+ rand.Read(src)
+ b.ResetTimer()
+ for i := 0; i < b.N; i++ {
+ h.Write(src)
+ h.Sum(nil)
+ }
+}