1 // Copyright 2009 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 5 package hmac 6 7 import ( 8 "crypto/md5" 9 "crypto/sha1" 10 "crypto/sha256" 11 "crypto/sha512" 12 "fmt" 13 "hash" 14 "testing" 15 ) 16 17 type hmacTest struct { 18 hash func() hash.Hash 19 key []byte 20 in []byte 21 out string 22 size int 23 blocksize int 24 } 25 26 var hmacTests = []hmacTest{ 27 // Tests from US FIPS 198 28 // http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf 29 { 30 sha1.New, 31 []byte{ 32 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 33 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 34 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 35 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 36 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 37 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 38 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 39 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 40 }, 41 []byte("Sample #1"), 42 "4f4ca3d5d68ba7cc0a1208c9c61e9c5da0403c0a", 43 sha1.Size, 44 sha1.BlockSize, 45 }, 46 { 47 sha1.New, 48 []byte{ 49 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 50 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 51 0x40, 0x41, 0x42, 0x43, 52 }, 53 []byte("Sample #2"), 54 "0922d3405faa3d194f82a45830737d5cc6c75d24", 55 sha1.Size, 56 sha1.BlockSize, 57 }, 58 { 59 sha1.New, 60 []byte{ 61 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 62 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 63 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 64 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 65 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 66 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 67 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 68 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 69 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 70 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 71 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 72 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 73 0xb0, 0xb1, 0xb2, 0xb3, 74 }, 75 []byte("Sample #3"), 76 "bcf41eab8bb2d802f3d05caf7cb092ecf8d1a3aa", 77 sha1.Size, 78 sha1.BlockSize, 79 }, 80 81 // Test from Plan 9. 82 { 83 md5.New, 84 []byte("Jefe"), 85 []byte("what do ya want for nothing?"), 86 "750c783e6ab0b503eaa86e310a5db738", 87 md5.Size, 88 md5.BlockSize, 89 }, 90 91 // Tests from RFC 4231 92 { 93 sha256.New, 94 []byte{ 95 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 96 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 97 0x0b, 0x0b, 0x0b, 0x0b, 98 }, 99 []byte("Hi There"), 100 "b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7", 101 sha256.Size, 102 sha256.BlockSize, 103 }, 104 { 105 sha256.New, 106 []byte("Jefe"), 107 []byte("what do ya want for nothing?"), 108 "5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843", 109 sha256.Size, 110 sha256.BlockSize, 111 }, 112 { 113 sha256.New, 114 []byte{ 115 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 116 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 117 0xaa, 0xaa, 0xaa, 0xaa, 118 }, 119 []byte{ 120 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 121 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 122 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 123 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 124 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 125 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 126 0xdd, 0xdd, 127 }, 128 "773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514ced565fe", 129 sha256.Size, 130 sha256.BlockSize, 131 }, 132 { 133 sha256.New, 134 []byte{ 135 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 136 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 137 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 138 0x19, 139 }, 140 []byte{ 141 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 142 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 143 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 144 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 145 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 146 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 147 0xcd, 0xcd, 148 }, 149 "82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff46729665b", 150 sha256.Size, 151 sha256.BlockSize, 152 }, 153 { 154 sha256.New, 155 []byte{ 156 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 157 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 158 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 159 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 160 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 161 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 162 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 163 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 164 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 165 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 166 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 167 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 168 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 169 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 170 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 171 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 172 0xaa, 0xaa, 0xaa, 173 }, 174 []byte("Test Using Larger Than Block-Size Key - Hash Key First"), 175 "60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f0ee37f54", 176 sha256.Size, 177 sha256.BlockSize, 178 }, 179 { 180 sha256.New, 181 []byte{ 182 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 183 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 184 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 185 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 186 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 187 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 188 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 189 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 190 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 191 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 192 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 193 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 194 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 195 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 196 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 197 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 198 0xaa, 0xaa, 0xaa, 199 }, 200 []byte("This is a test using a larger than block-size key " + 201 "and a larger than block-size data. The key needs to " + 202 "be hashed before being used by the HMAC algorithm."), 203 "9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f51535c3a35e2", 204 sha256.Size, 205 sha256.BlockSize, 206 }, 207 208 // Tests from http://csrc.nist.gov/groups/ST/toolkit/examples.html 209 // (truncated tag tests are left out) 210 { 211 sha1.New, 212 []byte{ 213 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 214 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 215 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 216 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 217 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 218 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 219 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 220 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 221 }, 222 []byte("Sample message for keylen=blocklen"), 223 "5fd596ee78d5553c8ff4e72d266dfd192366da29", 224 sha1.Size, 225 sha1.BlockSize, 226 }, 227 { 228 sha1.New, 229 []byte{ 230 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 231 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 232 0x10, 0x11, 0x12, 0x13, 233 }, 234 []byte("Sample message for keylen<blocklen"), 235 "4c99ff0cb1b31bd33f8431dbaf4d17fcd356a807", 236 sha1.Size, 237 sha1.BlockSize, 238 }, 239 { 240 sha1.New, 241 []byte{ 242 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 243 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 244 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 245 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 246 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 247 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 248 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 249 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 250 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 251 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 252 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 253 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 254 0x60, 0x61, 0x62, 0x63, 255 }, 256 []byte("Sample message for keylen=blocklen"), 257 "2d51b2f7750e410584662e38f133435f4c4fd42a", 258 sha1.Size, 259 sha1.BlockSize, 260 }, 261 { 262 sha256.New224, 263 []byte{ 264 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 265 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 266 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 267 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 268 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 269 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 270 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 271 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 272 }, 273 []byte("Sample message for keylen=blocklen"), 274 "c7405e3ae058e8cd30b08b4140248581ed174cb34e1224bcc1efc81b", 275 sha256.Size224, 276 sha256.BlockSize, 277 }, 278 { 279 sha256.New224, 280 []byte{ 281 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 282 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 283 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 284 0x18, 0x19, 0x1a, 0x1b, 285 }, 286 []byte("Sample message for keylen<blocklen"), 287 "e3d249a8cfb67ef8b7a169e9a0a599714a2cecba65999a51beb8fbbe", 288 sha256.Size224, 289 sha256.BlockSize, 290 }, 291 { 292 sha256.New224, 293 []byte{ 294 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 295 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 296 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 297 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 298 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 299 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 300 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 301 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 302 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 303 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 304 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 305 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 306 0x60, 0x61, 0x62, 0x63, 307 }, 308 []byte("Sample message for keylen=blocklen"), 309 "91c52509e5af8531601ae6230099d90bef88aaefb961f4080abc014d", 310 sha256.Size224, 311 sha256.BlockSize, 312 }, 313 { 314 sha256.New, 315 []byte{ 316 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 317 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 318 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 319 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 320 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 321 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 322 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 323 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 324 }, 325 []byte("Sample message for keylen=blocklen"), 326 "8bb9a1db9806f20df7f77b82138c7914d174d59e13dc4d0169c9057b133e1d62", 327 sha256.Size, 328 sha256.BlockSize, 329 }, 330 { 331 sha256.New, 332 []byte{ 333 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 334 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 335 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 336 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 337 }, 338 []byte("Sample message for keylen<blocklen"), 339 "a28cf43130ee696a98f14a37678b56bcfcbdd9e5cf69717fecf5480f0ebdf790", 340 sha256.Size, 341 sha256.BlockSize, 342 }, 343 { 344 sha256.New, 345 []byte{ 346 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 347 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 348 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 349 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 350 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 351 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 352 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 353 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 354 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 355 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 356 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 357 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 358 0x60, 0x61, 0x62, 0x63, 359 }, 360 []byte("Sample message for keylen=blocklen"), 361 "bdccb6c72ddeadb500ae768386cb38cc41c63dbb0878ddb9c7a38a431b78378d", 362 sha256.Size, 363 sha256.BlockSize, 364 }, 365 { 366 sha512.New384, 367 []byte{ 368 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 369 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 370 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 371 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 372 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 373 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 374 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 375 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 376 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 377 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 378 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 379 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 380 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 381 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 382 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 383 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 384 }, 385 []byte("Sample message for keylen=blocklen"), 386 "63c5daa5e651847ca897c95814ab830bededc7d25e83eef9195cd45857a37f448947858f5af50cc2b1b730ddf29671a9", 387 sha512.Size384, 388 sha512.BlockSize, 389 }, 390 { 391 sha512.New384, 392 []byte{ 393 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 394 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 395 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 396 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 397 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 398 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 399 }, 400 []byte("Sample message for keylen<blocklen"), 401 "6eb242bdbb582ca17bebfa481b1e23211464d2b7f8c20b9ff2201637b93646af5ae9ac316e98db45d9cae773675eeed0", 402 sha512.Size384, 403 sha512.BlockSize, 404 }, 405 { 406 sha512.New384, 407 []byte{ 408 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 409 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 410 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 411 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 412 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 413 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 414 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 415 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 416 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 417 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 418 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 419 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 420 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 421 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 422 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 423 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 424 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 425 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 426 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 427 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 428 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 429 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 430 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 431 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 432 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 433 }, 434 []byte("Sample message for keylen=blocklen"), 435 "5b664436df69b0ca22551231a3f0a3d5b4f97991713cfa84bff4d0792eff96c27dccbbb6f79b65d548b40e8564cef594", 436 sha512.Size384, 437 sha512.BlockSize, 438 }, 439 { 440 sha512.New, 441 []byte{ 442 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 443 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 444 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 445 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 446 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 447 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 448 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 449 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 450 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 451 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 452 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 453 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 454 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 455 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 456 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 457 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 458 }, 459 []byte("Sample message for keylen=blocklen"), 460 "fc25e240658ca785b7a811a8d3f7b4ca" + 461 "48cfa26a8a366bf2cd1f836b05fcb024bd36853081811d6c" + 462 "ea4216ebad79da1cfcb95ea4586b8a0ce356596a55fb1347", 463 sha512.Size, 464 sha512.BlockSize, 465 }, 466 { 467 sha512.New, 468 []byte{ 469 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 470 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 471 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 472 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 473 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 474 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 475 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 476 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 477 }, 478 []byte("Sample message for keylen<blocklen"), 479 "fd44c18bda0bb0a6ce0e82b031bf2818" + 480 "f6539bd56ec00bdc10a8a2d730b3634de2545d639b0f2cf7" + 481 "10d0692c72a1896f1f211c2b922d1a96c392e07e7ea9fedc", 482 sha512.Size, 483 sha512.BlockSize, 484 }, 485 { 486 sha512.New, 487 []byte{ 488 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 489 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 490 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 491 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 492 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 493 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 494 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 495 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 496 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 497 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 498 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 499 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 500 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 501 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 502 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 503 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 504 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 505 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 506 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 507 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 508 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 509 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 510 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 511 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 512 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 513 }, 514 []byte("Sample message for keylen=blocklen"), 515 "d93ec8d2de1ad2a9957cb9b83f14e76a" + 516 "d6b5e0cce285079a127d3b14bccb7aa7286d4ac0d4ce6421" + 517 "5f2bc9e6870b33d97438be4aaa20cda5c5a912b48b8e27f3", 518 sha512.Size, 519 sha512.BlockSize, 520 }, 521 } 522 523 func TestHMAC(t *testing.T) { 524 for i, tt := range hmacTests { 525 h := New(tt.hash, tt.key) 526 if s := h.Size(); s != tt.size { 527 t.Errorf("Size: got %v, want %v", s, tt.size) 528 } 529 if b := h.BlockSize(); b != tt.blocksize { 530 t.Errorf("BlockSize: got %v, want %v", b, tt.blocksize) 531 } 532 for j := 0; j < 2; j++ { 533 n, err := h.Write(tt.in) 534 if n != len(tt.in) || err != nil { 535 t.Errorf("test %d.%d: Write(%d) = %d, %v", i, j, len(tt.in), n, err) 536 continue 537 } 538 539 // Repetitive Sum() calls should return the same value 540 for k := 0; k < 2; k++ { 541 sum := fmt.Sprintf("%x", h.Sum(nil)) 542 if sum != tt.out { 543 t.Errorf("test %d.%d.%d: have %s want %s\n", i, j, k, sum, tt.out) 544 } 545 } 546 547 // Second iteration: make sure reset works. 548 h.Reset() 549 } 550 } 551 } 552 553 func TestEqual(t *testing.T) { 554 a := []byte("test") 555 b := []byte("test1") 556 c := []byte("test2") 557 558 if !Equal(b, b) { 559 t.Error("Equal failed with equal arguments") 560 } 561 if Equal(a, b) { 562 t.Error("Equal accepted a prefix of the second argument") 563 } 564 if Equal(b, a) { 565 t.Error("Equal accepted a prefix of the first argument") 566 } 567 if Equal(b, c) { 568 t.Error("Equal accepted unequal slices") 569 } 570 } 571 572 func BenchmarkHMACSHA256_1K(b *testing.B) { 573 key := make([]byte, 32) 574 buf := make([]byte, 1024) 575 h := New(sha256.New, key) 576 b.SetBytes(int64(len(buf))) 577 for i := 0; i < b.N; i++ { 578 h.Write(buf) 579 h.Reset() 580 mac := h.Sum(nil) 581 buf[0] = mac[0] 582 } 583 } 584 585 func BenchmarkHMACSHA256_32(b *testing.B) { 586 key := make([]byte, 32) 587 buf := make([]byte, 32) 588 h := New(sha256.New, key) 589 b.SetBytes(int64(len(buf))) 590 for i := 0; i < b.N; i++ { 591 h.Write(buf) 592 h.Reset() 593 mac := h.Sum(nil) 594 buf[0] = mac[0] 595 } 596 } 597
