blowfish_test.go 10.0 KB

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  1. // Copyright 2010 The Go Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style
  3. // license that can be found in the LICENSE file.
  4. package blowfish
  5. import "testing"
  6. type CryptTest struct {
  7. key []byte
  8. in []byte
  9. out []byte
  10. }
  11. // Test vector values are from http://www.schneier.com/code/vectors.txt.
  12. var encryptTests = []CryptTest{
  13. {
  14. []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  15. []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  16. []byte{0x4E, 0xF9, 0x97, 0x45, 0x61, 0x98, 0xDD, 0x78}},
  17. {
  18. []byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
  19. []byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
  20. []byte{0x51, 0x86, 0x6F, 0xD5, 0xB8, 0x5E, 0xCB, 0x8A}},
  21. {
  22. []byte{0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  23. []byte{0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
  24. []byte{0x7D, 0x85, 0x6F, 0x9A, 0x61, 0x30, 0x63, 0xF2}},
  25. {
  26. []byte{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
  27. []byte{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
  28. []byte{0x24, 0x66, 0xDD, 0x87, 0x8B, 0x96, 0x3C, 0x9D}},
  29. {
  30. []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
  31. []byte{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
  32. []byte{0x61, 0xF9, 0xC3, 0x80, 0x22, 0x81, 0xB0, 0x96}},
  33. {
  34. []byte{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
  35. []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
  36. []byte{0x7D, 0x0C, 0xC6, 0x30, 0xAF, 0xDA, 0x1E, 0xC7}},
  37. {
  38. []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  39. []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  40. []byte{0x4E, 0xF9, 0x97, 0x45, 0x61, 0x98, 0xDD, 0x78}},
  41. {
  42. []byte{0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10},
  43. []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
  44. []byte{0x0A, 0xCE, 0xAB, 0x0F, 0xC6, 0xA0, 0xA2, 0x8D}},
  45. {
  46. []byte{0x7C, 0xA1, 0x10, 0x45, 0x4A, 0x1A, 0x6E, 0x57},
  47. []byte{0x01, 0xA1, 0xD6, 0xD0, 0x39, 0x77, 0x67, 0x42},
  48. []byte{0x59, 0xC6, 0x82, 0x45, 0xEB, 0x05, 0x28, 0x2B}},
  49. {
  50. []byte{0x01, 0x31, 0xD9, 0x61, 0x9D, 0xC1, 0x37, 0x6E},
  51. []byte{0x5C, 0xD5, 0x4C, 0xA8, 0x3D, 0xEF, 0x57, 0xDA},
  52. []byte{0xB1, 0xB8, 0xCC, 0x0B, 0x25, 0x0F, 0x09, 0xA0}},
  53. {
  54. []byte{0x07, 0xA1, 0x13, 0x3E, 0x4A, 0x0B, 0x26, 0x86},
  55. []byte{0x02, 0x48, 0xD4, 0x38, 0x06, 0xF6, 0x71, 0x72},
  56. []byte{0x17, 0x30, 0xE5, 0x77, 0x8B, 0xEA, 0x1D, 0xA4}},
  57. {
  58. []byte{0x38, 0x49, 0x67, 0x4C, 0x26, 0x02, 0x31, 0x9E},
  59. []byte{0x51, 0x45, 0x4B, 0x58, 0x2D, 0xDF, 0x44, 0x0A},
  60. []byte{0xA2, 0x5E, 0x78, 0x56, 0xCF, 0x26, 0x51, 0xEB}},
  61. {
  62. []byte{0x04, 0xB9, 0x15, 0xBA, 0x43, 0xFE, 0xB5, 0xB6},
  63. []byte{0x42, 0xFD, 0x44, 0x30, 0x59, 0x57, 0x7F, 0xA2},
  64. []byte{0x35, 0x38, 0x82, 0xB1, 0x09, 0xCE, 0x8F, 0x1A}},
  65. {
  66. []byte{0x01, 0x13, 0xB9, 0x70, 0xFD, 0x34, 0xF2, 0xCE},
  67. []byte{0x05, 0x9B, 0x5E, 0x08, 0x51, 0xCF, 0x14, 0x3A},
  68. []byte{0x48, 0xF4, 0xD0, 0x88, 0x4C, 0x37, 0x99, 0x18}},
  69. {
  70. []byte{0x01, 0x70, 0xF1, 0x75, 0x46, 0x8F, 0xB5, 0xE6},
  71. []byte{0x07, 0x56, 0xD8, 0xE0, 0x77, 0x47, 0x61, 0xD2},
  72. []byte{0x43, 0x21, 0x93, 0xB7, 0x89, 0x51, 0xFC, 0x98}},
  73. {
  74. []byte{0x43, 0x29, 0x7F, 0xAD, 0x38, 0xE3, 0x73, 0xFE},
  75. []byte{0x76, 0x25, 0x14, 0xB8, 0x29, 0xBF, 0x48, 0x6A},
  76. []byte{0x13, 0xF0, 0x41, 0x54, 0xD6, 0x9D, 0x1A, 0xE5}},
  77. {
  78. []byte{0x07, 0xA7, 0x13, 0x70, 0x45, 0xDA, 0x2A, 0x16},
  79. []byte{0x3B, 0xDD, 0x11, 0x90, 0x49, 0x37, 0x28, 0x02},
  80. []byte{0x2E, 0xED, 0xDA, 0x93, 0xFF, 0xD3, 0x9C, 0x79}},
  81. {
  82. []byte{0x04, 0x68, 0x91, 0x04, 0xC2, 0xFD, 0x3B, 0x2F},
  83. []byte{0x26, 0x95, 0x5F, 0x68, 0x35, 0xAF, 0x60, 0x9A},
  84. []byte{0xD8, 0x87, 0xE0, 0x39, 0x3C, 0x2D, 0xA6, 0xE3}},
  85. {
  86. []byte{0x37, 0xD0, 0x6B, 0xB5, 0x16, 0xCB, 0x75, 0x46},
  87. []byte{0x16, 0x4D, 0x5E, 0x40, 0x4F, 0x27, 0x52, 0x32},
  88. []byte{0x5F, 0x99, 0xD0, 0x4F, 0x5B, 0x16, 0x39, 0x69}},
  89. {
  90. []byte{0x1F, 0x08, 0x26, 0x0D, 0x1A, 0xC2, 0x46, 0x5E},
  91. []byte{0x6B, 0x05, 0x6E, 0x18, 0x75, 0x9F, 0x5C, 0xCA},
  92. []byte{0x4A, 0x05, 0x7A, 0x3B, 0x24, 0xD3, 0x97, 0x7B}},
  93. {
  94. []byte{0x58, 0x40, 0x23, 0x64, 0x1A, 0xBA, 0x61, 0x76},
  95. []byte{0x00, 0x4B, 0xD6, 0xEF, 0x09, 0x17, 0x60, 0x62},
  96. []byte{0x45, 0x20, 0x31, 0xC1, 0xE4, 0xFA, 0xDA, 0x8E}},
  97. {
  98. []byte{0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xB0, 0x07},
  99. []byte{0x48, 0x0D, 0x39, 0x00, 0x6E, 0xE7, 0x62, 0xF2},
  100. []byte{0x75, 0x55, 0xAE, 0x39, 0xF5, 0x9B, 0x87, 0xBD}},
  101. {
  102. []byte{0x49, 0x79, 0x3E, 0xBC, 0x79, 0xB3, 0x25, 0x8F},
  103. []byte{0x43, 0x75, 0x40, 0xC8, 0x69, 0x8F, 0x3C, 0xFA},
  104. []byte{0x53, 0xC5, 0x5F, 0x9C, 0xB4, 0x9F, 0xC0, 0x19}},
  105. {
  106. []byte{0x4F, 0xB0, 0x5E, 0x15, 0x15, 0xAB, 0x73, 0xA7},
  107. []byte{0x07, 0x2D, 0x43, 0xA0, 0x77, 0x07, 0x52, 0x92},
  108. []byte{0x7A, 0x8E, 0x7B, 0xFA, 0x93, 0x7E, 0x89, 0xA3}},
  109. {
  110. []byte{0x49, 0xE9, 0x5D, 0x6D, 0x4C, 0xA2, 0x29, 0xBF},
  111. []byte{0x02, 0xFE, 0x55, 0x77, 0x81, 0x17, 0xF1, 0x2A},
  112. []byte{0xCF, 0x9C, 0x5D, 0x7A, 0x49, 0x86, 0xAD, 0xB5}},
  113. {
  114. []byte{0x01, 0x83, 0x10, 0xDC, 0x40, 0x9B, 0x26, 0xD6},
  115. []byte{0x1D, 0x9D, 0x5C, 0x50, 0x18, 0xF7, 0x28, 0xC2},
  116. []byte{0xD1, 0xAB, 0xB2, 0x90, 0x65, 0x8B, 0xC7, 0x78}},
  117. {
  118. []byte{0x1C, 0x58, 0x7F, 0x1C, 0x13, 0x92, 0x4F, 0xEF},
  119. []byte{0x30, 0x55, 0x32, 0x28, 0x6D, 0x6F, 0x29, 0x5A},
  120. []byte{0x55, 0xCB, 0x37, 0x74, 0xD1, 0x3E, 0xF2, 0x01}},
  121. {
  122. []byte{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
  123. []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
  124. []byte{0xFA, 0x34, 0xEC, 0x48, 0x47, 0xB2, 0x68, 0xB2}},
  125. {
  126. []byte{0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E},
  127. []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
  128. []byte{0xA7, 0x90, 0x79, 0x51, 0x08, 0xEA, 0x3C, 0xAE}},
  129. {
  130. []byte{0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE},
  131. []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
  132. []byte{0xC3, 0x9E, 0x07, 0x2D, 0x9F, 0xAC, 0x63, 0x1D}},
  133. {
  134. []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  135. []byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
  136. []byte{0x01, 0x49, 0x33, 0xE0, 0xCD, 0xAF, 0xF6, 0xE4}},
  137. {
  138. []byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
  139. []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  140. []byte{0xF2, 0x1E, 0x9A, 0x77, 0xB7, 0x1C, 0x49, 0xBC}},
  141. {
  142. []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
  143. []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  144. []byte{0x24, 0x59, 0x46, 0x88, 0x57, 0x54, 0x36, 0x9A}},
  145. {
  146. []byte{0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10},
  147. []byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
  148. []byte{0x6B, 0x5C, 0x5A, 0x9C, 0x5D, 0x9E, 0x0A, 0x5A}},
  149. }
  150. func TestCipherEncrypt(t *testing.T) {
  151. for i, tt := range encryptTests {
  152. c, err := NewCipher(tt.key)
  153. if err != nil {
  154. t.Errorf("NewCipher(%d bytes) = %s", len(tt.key), err)
  155. continue
  156. }
  157. ct := make([]byte, len(tt.out))
  158. c.Encrypt(ct, tt.in)
  159. for j, v := range ct {
  160. if v != tt.out[j] {
  161. t.Errorf("Cipher.Encrypt, test vector #%d: cipher-text[%d] = %#x, expected %#x", i, j, v, tt.out[j])
  162. break
  163. }
  164. }
  165. }
  166. }
  167. func TestCipherDecrypt(t *testing.T) {
  168. for i, tt := range encryptTests {
  169. c, err := NewCipher(tt.key)
  170. if err != nil {
  171. t.Errorf("NewCipher(%d bytes) = %s", len(tt.key), err)
  172. continue
  173. }
  174. pt := make([]byte, len(tt.in))
  175. c.Decrypt(pt, tt.out)
  176. for j, v := range pt {
  177. if v != tt.in[j] {
  178. t.Errorf("Cipher.Decrypt, test vector #%d: plain-text[%d] = %#x, expected %#x", i, j, v, tt.in[j])
  179. break
  180. }
  181. }
  182. }
  183. }
  184. func TestSaltedCipherKeyLength(t *testing.T) {
  185. if _, err := NewSaltedCipher(nil, []byte{'a'}); err != KeySizeError(0) {
  186. t.Errorf("NewSaltedCipher with short key, gave error %#v, expected %#v", err, KeySizeError(0))
  187. }
  188. // A 57-byte key. One over the typical blowfish restriction.
  189. key := []byte("012345678901234567890123456789012345678901234567890123456")
  190. if _, err := NewSaltedCipher(key, []byte{'a'}); err != nil {
  191. t.Errorf("NewSaltedCipher with long key, gave error %#v", err)
  192. }
  193. }
  194. // Test vectors generated with Blowfish from OpenSSH.
  195. var saltedVectors = [][8]byte{
  196. {0x0c, 0x82, 0x3b, 0x7b, 0x8d, 0x01, 0x4b, 0x7e},
  197. {0xd1, 0xe1, 0x93, 0xf0, 0x70, 0xa6, 0xdb, 0x12},
  198. {0xfc, 0x5e, 0xba, 0xde, 0xcb, 0xf8, 0x59, 0xad},
  199. {0x8a, 0x0c, 0x76, 0xe7, 0xdd, 0x2c, 0xd3, 0xa8},
  200. {0x2c, 0xcb, 0x7b, 0xee, 0xac, 0x7b, 0x7f, 0xf8},
  201. {0xbb, 0xf6, 0x30, 0x6f, 0xe1, 0x5d, 0x62, 0xbf},
  202. {0x97, 0x1e, 0xc1, 0x3d, 0x3d, 0xe0, 0x11, 0xe9},
  203. {0x06, 0xd7, 0x4d, 0xb1, 0x80, 0xa3, 0xb1, 0x38},
  204. {0x67, 0xa1, 0xa9, 0x75, 0x0e, 0x5b, 0xc6, 0xb4},
  205. {0x51, 0x0f, 0x33, 0x0e, 0x4f, 0x67, 0xd2, 0x0c},
  206. {0xf1, 0x73, 0x7e, 0xd8, 0x44, 0xea, 0xdb, 0xe5},
  207. {0x14, 0x0e, 0x16, 0xce, 0x7f, 0x4a, 0x9c, 0x7b},
  208. {0x4b, 0xfe, 0x43, 0xfd, 0xbf, 0x36, 0x04, 0x47},
  209. {0xb1, 0xeb, 0x3e, 0x15, 0x36, 0xa7, 0xbb, 0xe2},
  210. {0x6d, 0x0b, 0x41, 0xdd, 0x00, 0x98, 0x0b, 0x19},
  211. {0xd3, 0xce, 0x45, 0xce, 0x1d, 0x56, 0xb7, 0xfc},
  212. {0xd9, 0xf0, 0xfd, 0xda, 0xc0, 0x23, 0xb7, 0x93},
  213. {0x4c, 0x6f, 0xa1, 0xe4, 0x0c, 0xa8, 0xca, 0x57},
  214. {0xe6, 0x2f, 0x28, 0xa7, 0x0c, 0x94, 0x0d, 0x08},
  215. {0x8f, 0xe3, 0xf0, 0xb6, 0x29, 0xe3, 0x44, 0x03},
  216. {0xff, 0x98, 0xdd, 0x04, 0x45, 0xb4, 0x6d, 0x1f},
  217. {0x9e, 0x45, 0x4d, 0x18, 0x40, 0x53, 0xdb, 0xef},
  218. {0xb7, 0x3b, 0xef, 0x29, 0xbe, 0xa8, 0x13, 0x71},
  219. {0x02, 0x54, 0x55, 0x41, 0x8e, 0x04, 0xfc, 0xad},
  220. {0x6a, 0x0a, 0xee, 0x7c, 0x10, 0xd9, 0x19, 0xfe},
  221. {0x0a, 0x22, 0xd9, 0x41, 0xcc, 0x23, 0x87, 0x13},
  222. {0x6e, 0xff, 0x1f, 0xff, 0x36, 0x17, 0x9c, 0xbe},
  223. {0x79, 0xad, 0xb7, 0x40, 0xf4, 0x9f, 0x51, 0xa6},
  224. {0x97, 0x81, 0x99, 0xa4, 0xde, 0x9e, 0x9f, 0xb6},
  225. {0x12, 0x19, 0x7a, 0x28, 0xd0, 0xdc, 0xcc, 0x92},
  226. {0x81, 0xda, 0x60, 0x1e, 0x0e, 0xdd, 0x65, 0x56},
  227. {0x7d, 0x76, 0x20, 0xb2, 0x73, 0xc9, 0x9e, 0xee},
  228. }
  229. func TestSaltedCipher(t *testing.T) {
  230. var key, salt [32]byte
  231. for i := range key {
  232. key[i] = byte(i)
  233. salt[i] = byte(i + 32)
  234. }
  235. for i, v := range saltedVectors {
  236. c, err := NewSaltedCipher(key[:], salt[:i])
  237. if err != nil {
  238. t.Fatal(err)
  239. }
  240. var buf [8]byte
  241. c.Encrypt(buf[:], buf[:])
  242. if v != buf {
  243. t.Errorf("%d: expected %x, got %x", i, v, buf)
  244. }
  245. }
  246. }
  247. func BenchmarkExpandKeyWithSalt(b *testing.B) {
  248. key := make([]byte, 32)
  249. salt := make([]byte, 16)
  250. c, _ := NewCipher(key)
  251. for i := 0; i < b.N; i++ {
  252. expandKeyWithSalt(key, salt, c)
  253. }
  254. }
  255. func BenchmarkExpandKey(b *testing.B) {
  256. key := make([]byte, 32)
  257. c, _ := NewCipher(key)
  258. for i := 0; i < b.N; i++ {
  259. ExpandKey(key, c)
  260. }
  261. }