src/cypherpunks.ru/gogost/gost3412128/cipher_test.go

   1 // GoGOST -- Pure Go GOST cryptographic functions library
   2 // Copyright (C) 2015-2019 Sergey Matveev <stargrave@stargrave.org>
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 package gost3412128
  18
  19 import (
  20         "bytes"
  21         "crypto/cipher"
  22         "crypto/rand"
  23         "io"
  24         "testing"
  25         "testing/quick"
  26 )
  27
  28 var (
  29         key []byte = []byte{
  30                 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
  31                 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
  32                 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
  33                 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
  34         }
  35         pt [BlockSize]byte = [BlockSize]byte{
  36                 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x00,
  37                 0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88,
  38         }
  39         ct [BlockSize]byte = [BlockSize]byte{
  40                 0x7f, 0x67, 0x9d, 0x90, 0xbe, 0xbc, 0x24, 0x30,
  41                 0x5a, 0x46, 0x8d, 0x42, 0xb9, 0xd4, 0xed, 0xcd,
  42         }
  43 )
  44
  45 func TestCipherInterface(t *testing.T) {
  46         var _ cipher.Block = NewCipher(make([]byte, KeySize))
  47 }
  48
  49 func TestRandom(t *testing.T) {
  50         data := make([]byte, BlockSize)
  51         f := func(key [KeySize]byte, pt [BlockSize]byte) bool {
  52                 io.ReadFull(rand.Reader, key[:])
  53                 c := NewCipher(key[:])
  54                 c.Encrypt(data, pt[:])
  55                 c.Decrypt(data, data)
  56                 return bytes.Compare(data, pt[:]) == 0
  57         }
  58         if err := quick.Check(f, nil); err != nil {
  59                 t.Error(err)
  60         }
  61 }
  62
  63 func BenchmarkEncrypt(b *testing.B) {
  64         key := make([]byte, KeySize)
  65         io.ReadFull(rand.Reader, key)
  66         c := NewCipher(key)
  67         blk := make([]byte, BlockSize)
  68         b.ResetTimer()
  69         for i := 0; i < b.N; i++ {
  70                 c.Encrypt(blk, blk)
  71         }
  72 }
  73
  74 func BenchmarkDecrypt(b *testing.B) {
  75         key := make([]byte, KeySize)
  76         io.ReadFull(rand.Reader, key)
  77         c := NewCipher(key)
  78         blk := make([]byte, BlockSize)
  79         b.ResetTimer()
  80         for i := 0; i < b.N; i++ {
  81                 c.Decrypt(blk, blk)
  82         }
  83 }
  84
  85 func TestS(t *testing.T) {
  86         blk := [BlockSize]byte{
  87                 0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88,
  88                 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x00,
  89         }
  90         s(&blk)
  91         if bytes.Compare(blk[:], []byte{
  92                 0xb6, 0x6c, 0xd8, 0x88, 0x7d, 0x38, 0xe8, 0xd7,
  93                 0x77, 0x65, 0xae, 0xea, 0x0c, 0x9a, 0x7e, 0xfc,
  94         }) != 0 {
  95                 t.FailNow()
  96         }
  97         s(&blk)
  98         if bytes.Compare(blk[:], []byte{
  99                 0x55, 0x9d, 0x8d, 0xd7, 0xbd, 0x06, 0xcb, 0xfe,
 100                 0x7e, 0x7b, 0x26, 0x25, 0x23, 0x28, 0x0d, 0x39,
 101         }) != 0 {
 102                 t.FailNow()
 103         }
 104         s(&blk)
 105         if bytes.Compare(blk[:], []byte{
 106                 0x0c, 0x33, 0x22, 0xfe, 0xd5, 0x31, 0xe4, 0x63,
 107                 0x0d, 0x80, 0xef, 0x5c, 0x5a, 0x81, 0xc5, 0x0b,
 108         }) != 0 {
 109                 t.FailNow()
 110         }
 111         s(&blk)
 112         if bytes.Compare(blk[:], []byte{
 113                 0x23, 0xae, 0x65, 0x63, 0x3f, 0x84, 0x2d, 0x29,
 114                 0xc5, 0xdf, 0x52, 0x9c, 0x13, 0xf5, 0xac, 0xda,
 115         }) != 0 {
 116                 t.FailNow()
 117         }
 118 }
 119
 120 func R(blk *[BlockSize]byte) {
 121         l(blk, 1)
 122 }
 123
 124 func TestR(t *testing.T) {
 125         blk := [BlockSize]byte{
 126                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 127                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
 128         }
 129         R(&blk)
 130         if bytes.Compare(blk[:], []byte{
 131                 0x94, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 132                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
 133         }) != 0 {
 134                 t.FailNow()
 135         }
 136         R(&blk)
 137         if bytes.Compare(blk[:], []byte{
 138                 0xa5, 0x94, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 139                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 140         }) != 0 {
 141                 t.FailNow()
 142         }
 143         R(&blk)
 144         if bytes.Compare(blk[:], []byte{
 145                 0x64, 0xa5, 0x94, 0x00, 0x00, 0x00, 0x00, 0x00,
 146                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 147         }) != 0 {
 148                 t.FailNow()
 149         }
 150         R(&blk)
 151         if bytes.Compare(blk[:], []byte{
 152                 0x0d, 0x64, 0xa5, 0x94, 0x00, 0x00, 0x00, 0x00,
 153                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 154         }) != 0 {
 155                 t.FailNow()
 156         }
 157 }
 158
 159 func TestL(t *testing.T) {
 160         blk := [BlockSize]byte{
 161                 0x64, 0xa5, 0x94, 0x00, 0x00, 0x00, 0x00, 0x00,
 162                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 163         }
 164         l(&blk, 16)
 165         if bytes.Compare(blk[:], []byte{
 166                 0xd4, 0x56, 0x58, 0x4d, 0xd0, 0xe3, 0xe8, 0x4c,
 167                 0xc3, 0x16, 0x6e, 0x4b, 0x7f, 0xa2, 0x89, 0x0d,
 168         }) != 0 {
 169                 t.FailNow()
 170         }
 171         l(&blk, 16)
 172         if bytes.Compare(blk[:], []byte{
 173                 0x79, 0xd2, 0x62, 0x21, 0xb8, 0x7b, 0x58, 0x4c,
 174                 0xd4, 0x2f, 0xbc, 0x4f, 0xfe, 0xa5, 0xde, 0x9a,
 175         }) != 0 {
 176                 t.FailNow()
 177         }
 178         l(&blk, 16)
 179         if bytes.Compare(blk[:], []byte{
 180                 0x0e, 0x93, 0x69, 0x1a, 0x0c, 0xfc, 0x60, 0x40,
 181                 0x8b, 0x7b, 0x68, 0xf6, 0x6b, 0x51, 0x3c, 0x13,
 182         }) != 0 {
 183                 t.FailNow()
 184         }
 185         l(&blk, 16)
 186         if bytes.Compare(blk[:], []byte{
 187                 0xe6, 0xa8, 0x09, 0x4f, 0xee, 0x0a, 0xa2, 0x04,
 188                 0xfd, 0x97, 0xbc, 0xb0, 0xb4, 0x4b, 0x85, 0x80,
 189         }) != 0 {
 190                 t.FailNow()
 191         }
 192 }
 193
 194 func TestC(t *testing.T) {
 195         if bytes.Compare(cBlk[0][:], []byte{
 196                 0x6e, 0xa2, 0x76, 0x72, 0x6c, 0x48, 0x7a, 0xb8,
 197                 0x5d, 0x27, 0xbd, 0x10, 0xdd, 0x84, 0x94, 0x01,
 198         }) != 0 {
 199                 t.FailNow()
 200         }
 201         if bytes.Compare(cBlk[1][:], []byte{
 202                 0xdc, 0x87, 0xec, 0xe4, 0xd8, 0x90, 0xf4, 0xb3,
 203                 0xba, 0x4e, 0xb9, 0x20, 0x79, 0xcb, 0xeb, 0x02,
 204         }) != 0 {
 205                 t.FailNow()
 206         }
 207         if bytes.Compare(cBlk[2][:], []byte{
 208                 0xb2, 0x25, 0x9a, 0x96, 0xb4, 0xd8, 0x8e, 0x0b,
 209                 0xe7, 0x69, 0x04, 0x30, 0xa4, 0x4f, 0x7f, 0x03,
 210         }) != 0 {
 211                 t.FailNow()
 212         }
 213         if bytes.Compare(cBlk[3][:], []byte{
 214                 0x7b, 0xcd, 0x1b, 0x0b, 0x73, 0xe3, 0x2b, 0xa5,
 215                 0xb7, 0x9c, 0xb1, 0x40, 0xf2, 0x55, 0x15, 0x04,
 216         }) != 0 {
 217                 t.FailNow()
 218         }
 219         if bytes.Compare(cBlk[4][:], []byte{
 220                 0x15, 0x6f, 0x6d, 0x79, 0x1f, 0xab, 0x51, 0x1d,
 221                 0xea, 0xbb, 0x0c, 0x50, 0x2f, 0xd1, 0x81, 0x05,
 222         }) != 0 {
 223                 t.FailNow()
 224         }
 225         if bytes.Compare(cBlk[5][:], []byte{
 226                 0xa7, 0x4a, 0xf7, 0xef, 0xab, 0x73, 0xdf, 0x16,
 227                 0x0d, 0xd2, 0x08, 0x60, 0x8b, 0x9e, 0xfe, 0x06,
 228         }) != 0 {
 229                 t.FailNow()
 230         }
 231         if bytes.Compare(cBlk[6][:], []byte{
 232                 0xc9, 0xe8, 0x81, 0x9d, 0xc7, 0x3b, 0xa5, 0xae,
 233                 0x50, 0xf5, 0xb5, 0x70, 0x56, 0x1a, 0x6a, 0x07,
 234         }) != 0 {
 235                 t.FailNow()
 236         }
 237         if bytes.Compare(cBlk[7][:], []byte{
 238                 0xf6, 0x59, 0x36, 0x16, 0xe6, 0x05, 0x56, 0x89,
 239                 0xad, 0xfb, 0xa1, 0x80, 0x27, 0xaa, 0x2a, 0x08,
 240         }) != 0 {
 241                 t.FailNow()
 242         }
 243 }
 244
 245 func TestRoundKeys(t *testing.T) {
 246         c := NewCipher(key)
 247         if bytes.Compare(c.ks[0][:], []byte{
 248                 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
 249                 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
 250         }) != 0 {
 251                 t.FailNow()
 252         }
 253         if bytes.Compare(c.ks[1][:], []byte{
 254                 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
 255                 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
 256         }) != 0 {
 257                 t.FailNow()
 258         }
 259         if bytes.Compare(c.ks[2][:], []byte{
 260                 0xdb, 0x31, 0x48, 0x53, 0x15, 0x69, 0x43, 0x43,
 261                 0x22, 0x8d, 0x6a, 0xef, 0x8c, 0xc7, 0x8c, 0x44,
 262         }) != 0 {
 263                 t.FailNow()
 264         }
 265         if bytes.Compare(c.ks[3][:], []byte{
 266                 0x3d, 0x45, 0x53, 0xd8, 0xe9, 0xcf, 0xec, 0x68,
 267                 0x15, 0xeb, 0xad, 0xc4, 0x0a, 0x9f, 0xfd, 0x04,
 268         }) != 0 {
 269                 t.FailNow()
 270         }
 271         if bytes.Compare(c.ks[4][:], []byte{
 272                 0x57, 0x64, 0x64, 0x68, 0xc4, 0x4a, 0x5e, 0x28,
 273                 0xd3, 0xe5, 0x92, 0x46, 0xf4, 0x29, 0xf1, 0xac,
 274         }) != 0 {
 275                 t.FailNow()
 276         }
 277         if bytes.Compare(c.ks[5][:], []byte{
 278                 0xbd, 0x07, 0x94, 0x35, 0x16, 0x5c, 0x64, 0x32,
 279                 0xb5, 0x32, 0xe8, 0x28, 0x34, 0xda, 0x58, 0x1b,
 280         }) != 0 {
 281                 t.FailNow()
 282         }
 283         if bytes.Compare(c.ks[6][:], []byte{
 284                 0x51, 0xe6, 0x40, 0x75, 0x7e, 0x87, 0x45, 0xde,
 285                 0x70, 0x57, 0x27, 0x26, 0x5a, 0x00, 0x98, 0xb1,
 286         }) != 0 {
 287                 t.FailNow()
 288         }
 289         if bytes.Compare(c.ks[7][:], []byte{
 290                 0x5a, 0x79, 0x25, 0x01, 0x7b, 0x9f, 0xdd, 0x3e,
 291                 0xd7, 0x2a, 0x91, 0xa2, 0x22, 0x86, 0xf9, 0x84,
 292         }) != 0 {
 293                 t.FailNow()
 294         }
 295         if bytes.Compare(c.ks[8][:], []byte{
 296                 0xbb, 0x44, 0xe2, 0x53, 0x78, 0xc7, 0x31, 0x23,
 297                 0xa5, 0xf3, 0x2f, 0x73, 0xcd, 0xb6, 0xe5, 0x17,
 298         }) != 0 {
 299                 t.FailNow()
 300         }
 301         if bytes.Compare(c.ks[9][:], []byte{
 302                 0x72, 0xe9, 0xdd, 0x74, 0x16, 0xbc, 0xf4, 0x5b,
 303                 0x75, 0x5d, 0xba, 0xa8, 0x8e, 0x4a, 0x40, 0x43,
 304         }) != 0 {
 305                 t.FailNow()
 306         }
 307 }
 308
 309 func TestVectorEncrypt(t *testing.T) {
 310         c := NewCipher(key)
 311         dst := make([]byte, BlockSize)
 312         c.Encrypt(dst, pt[:])
 313         if bytes.Compare(dst, ct[:]) != 0 {
 314                 t.FailNow()
 315         }
 316 }
 317
 318 func TestVectorDecrypt(t *testing.T) {
 319         c := NewCipher(key)
 320         dst := make([]byte, BlockSize)
 321         c.Decrypt(dst, ct[:])
 322         if bytes.Compare(dst, pt[:]) != 0 {
 323                 t.FailNow()
 324         }
 325 }