| 1 | /* |
| 2 | * FIPS-180-1 compliant SHA-1 implementation |
| 3 | * |
| 4 | * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved |
| 5 | * This file is part of mbed TLS (https://tls.mbed.org) |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | */ |
| 21 | /* |
| 22 | * The SHA-1 standard was published by NIST in 1993. |
| 23 | * |
| 24 | * http://www.itl.nist.gov/fipspubs/fip180-1.htm |
| 25 | */ |
| 26 | |
| 27 | #if !defined(POLARSSL_CONFIG_FILE) |
| 28 | //#include "polarssl/config.h" |
| 29 | #define POLARSSL_SHA1_C |
| 30 | |
| 31 | #else |
| 32 | #include POLARSSL_CONFIG_FILE |
| 33 | #endif |
| 34 | |
| 35 | #if defined(POLARSSL_SHA1_C) |
| 36 | |
| 37 | #include "sha1.h" |
| 38 | |
| 39 | #include <string.h> |
| 40 | |
| 41 | #if defined(POLARSSL_FS_IO) |
| 42 | #include <stdio.h> |
| 43 | #endif |
| 44 | |
| 45 | #if defined(POLARSSL_SELF_TEST) |
| 46 | #if defined(POLARSSL_PLATFORM_C) |
| 47 | #include "polarssl/platform.h" |
| 48 | #else |
| 49 | #include <stdio.h> |
| 50 | #define polarssl_printf printf |
| 51 | #endif /* POLARSSL_PLATFORM_C */ |
| 52 | #endif /* POLARSSL_SELF_TEST */ |
| 53 | |
| 54 | /* Implementation that should never be optimized out by the compiler */ |
| 55 | static void polarssl_zeroize( void *v, size_t n ) { |
| 56 | volatile unsigned char *p = v; while( n-- ) *p++ = 0; |
| 57 | } |
| 58 | |
| 59 | #if !defined(POLARSSL_SHA1_ALT) |
| 60 | |
| 61 | /* |
| 62 | * 32-bit integer manipulation macros (big endian) |
| 63 | */ |
| 64 | #ifndef GET_UINT32_BE |
| 65 | #define GET_UINT32_BE(n,b,i) \ |
| 66 | { \ |
| 67 | (n) = ( (uint32_t) (b)[(i) ] << 24 ) \ |
| 68 | | ( (uint32_t) (b)[(i) + 1] << 16 ) \ |
| 69 | | ( (uint32_t) (b)[(i) + 2] << 8 ) \ |
| 70 | | ( (uint32_t) (b)[(i) + 3] ); \ |
| 71 | } |
| 72 | #endif |
| 73 | |
| 74 | #ifndef PUT_UINT32_BE |
| 75 | #define PUT_UINT32_BE(n,b,i) \ |
| 76 | { \ |
| 77 | (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ |
| 78 | (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ |
| 79 | (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ |
| 80 | (b)[(i) + 3] = (unsigned char) ( (n) ); \ |
| 81 | } |
| 82 | #endif |
| 83 | |
| 84 | void sha1_init( sha1_context *ctx ) |
| 85 | { |
| 86 | memset( ctx, 0, sizeof( sha1_context ) ); |
| 87 | } |
| 88 | |
| 89 | void sha1_free( sha1_context *ctx ) |
| 90 | { |
| 91 | if( ctx == NULL ) |
| 92 | return; |
| 93 | |
| 94 | polarssl_zeroize( ctx, sizeof( sha1_context ) ); |
| 95 | } |
| 96 | |
| 97 | /* |
| 98 | * SHA-1 context setup |
| 99 | */ |
| 100 | void sha1_starts( sha1_context *ctx ) |
| 101 | { |
| 102 | ctx->total[0] = 0; |
| 103 | ctx->total[1] = 0; |
| 104 | |
| 105 | ctx->state[0] = 0x67452301; |
| 106 | ctx->state[1] = 0xEFCDAB89; |
| 107 | ctx->state[2] = 0x98BADCFE; |
| 108 | ctx->state[3] = 0x10325476; |
| 109 | ctx->state[4] = 0xC3D2E1F0; |
| 110 | } |
| 111 | |
| 112 | void sha1_process( sha1_context *ctx, const unsigned char data[64] ) |
| 113 | { |
| 114 | uint32_t temp, W[16], A, B, C, D, E; |
| 115 | |
| 116 | GET_UINT32_BE( W[ 0], data, 0 ); |
| 117 | GET_UINT32_BE( W[ 1], data, 4 ); |
| 118 | GET_UINT32_BE( W[ 2], data, 8 ); |
| 119 | GET_UINT32_BE( W[ 3], data, 12 ); |
| 120 | GET_UINT32_BE( W[ 4], data, 16 ); |
| 121 | GET_UINT32_BE( W[ 5], data, 20 ); |
| 122 | GET_UINT32_BE( W[ 6], data, 24 ); |
| 123 | GET_UINT32_BE( W[ 7], data, 28 ); |
| 124 | GET_UINT32_BE( W[ 8], data, 32 ); |
| 125 | GET_UINT32_BE( W[ 9], data, 36 ); |
| 126 | GET_UINT32_BE( W[10], data, 40 ); |
| 127 | GET_UINT32_BE( W[11], data, 44 ); |
| 128 | GET_UINT32_BE( W[12], data, 48 ); |
| 129 | GET_UINT32_BE( W[13], data, 52 ); |
| 130 | GET_UINT32_BE( W[14], data, 56 ); |
| 131 | GET_UINT32_BE( W[15], data, 60 ); |
| 132 | |
| 133 | #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n))) |
| 134 | |
| 135 | #define R(t) \ |
| 136 | ( \ |
| 137 | temp = W[( t - 3 ) & 0x0F] ^ W[( t - 8 ) & 0x0F] ^ \ |
| 138 | W[( t - 14 ) & 0x0F] ^ W[ t & 0x0F], \ |
| 139 | ( W[t & 0x0F] = S(temp,1) ) \ |
| 140 | ) |
| 141 | |
| 142 | #define P(a,b,c,d,e,x) \ |
| 143 | { \ |
| 144 | e += S(a,5) + F(b,c,d) + K + x; b = S(b,30); \ |
| 145 | } |
| 146 | |
| 147 | A = ctx->state[0]; |
| 148 | B = ctx->state[1]; |
| 149 | C = ctx->state[2]; |
| 150 | D = ctx->state[3]; |
| 151 | E = ctx->state[4]; |
| 152 | |
| 153 | #define F(x,y,z) (z ^ (x & (y ^ z))) |
| 154 | #define K 0x5A827999 |
| 155 | |
| 156 | P( A, B, C, D, E, W[0] ); |
| 157 | P( E, A, B, C, D, W[1] ); |
| 158 | P( D, E, A, B, C, W[2] ); |
| 159 | P( C, D, E, A, B, W[3] ); |
| 160 | P( B, C, D, E, A, W[4] ); |
| 161 | P( A, B, C, D, E, W[5] ); |
| 162 | P( E, A, B, C, D, W[6] ); |
| 163 | P( D, E, A, B, C, W[7] ); |
| 164 | P( C, D, E, A, B, W[8] ); |
| 165 | P( B, C, D, E, A, W[9] ); |
| 166 | P( A, B, C, D, E, W[10] ); |
| 167 | P( E, A, B, C, D, W[11] ); |
| 168 | P( D, E, A, B, C, W[12] ); |
| 169 | P( C, D, E, A, B, W[13] ); |
| 170 | P( B, C, D, E, A, W[14] ); |
| 171 | P( A, B, C, D, E, W[15] ); |
| 172 | P( E, A, B, C, D, R(16) ); |
| 173 | P( D, E, A, B, C, R(17) ); |
| 174 | P( C, D, E, A, B, R(18) ); |
| 175 | P( B, C, D, E, A, R(19) ); |
| 176 | |
| 177 | #undef K |
| 178 | #undef F |
| 179 | |
| 180 | #define F(x,y,z) (x ^ y ^ z) |
| 181 | #define K 0x6ED9EBA1 |
| 182 | |
| 183 | P( A, B, C, D, E, R(20) ); |
| 184 | P( E, A, B, C, D, R(21) ); |
| 185 | P( D, E, A, B, C, R(22) ); |
| 186 | P( C, D, E, A, B, R(23) ); |
| 187 | P( B, C, D, E, A, R(24) ); |
| 188 | P( A, B, C, D, E, R(25) ); |
| 189 | P( E, A, B, C, D, R(26) ); |
| 190 | P( D, E, A, B, C, R(27) ); |
| 191 | P( C, D, E, A, B, R(28) ); |
| 192 | P( B, C, D, E, A, R(29) ); |
| 193 | P( A, B, C, D, E, R(30) ); |
| 194 | P( E, A, B, C, D, R(31) ); |
| 195 | P( D, E, A, B, C, R(32) ); |
| 196 | P( C, D, E, A, B, R(33) ); |
| 197 | P( B, C, D, E, A, R(34) ); |
| 198 | P( A, B, C, D, E, R(35) ); |
| 199 | P( E, A, B, C, D, R(36) ); |
| 200 | P( D, E, A, B, C, R(37) ); |
| 201 | P( C, D, E, A, B, R(38) ); |
| 202 | P( B, C, D, E, A, R(39) ); |
| 203 | |
| 204 | #undef K |
| 205 | #undef F |
| 206 | |
| 207 | #define F(x,y,z) ((x & y) | (z & (x | y))) |
| 208 | #define K 0x8F1BBCDC |
| 209 | |
| 210 | P( A, B, C, D, E, R(40) ); |
| 211 | P( E, A, B, C, D, R(41) ); |
| 212 | P( D, E, A, B, C, R(42) ); |
| 213 | P( C, D, E, A, B, R(43) ); |
| 214 | P( B, C, D, E, A, R(44) ); |
| 215 | P( A, B, C, D, E, R(45) ); |
| 216 | P( E, A, B, C, D, R(46) ); |
| 217 | P( D, E, A, B, C, R(47) ); |
| 218 | P( C, D, E, A, B, R(48) ); |
| 219 | P( B, C, D, E, A, R(49) ); |
| 220 | P( A, B, C, D, E, R(50) ); |
| 221 | P( E, A, B, C, D, R(51) ); |
| 222 | P( D, E, A, B, C, R(52) ); |
| 223 | P( C, D, E, A, B, R(53) ); |
| 224 | P( B, C, D, E, A, R(54) ); |
| 225 | P( A, B, C, D, E, R(55) ); |
| 226 | P( E, A, B, C, D, R(56) ); |
| 227 | P( D, E, A, B, C, R(57) ); |
| 228 | P( C, D, E, A, B, R(58) ); |
| 229 | P( B, C, D, E, A, R(59) ); |
| 230 | |
| 231 | #undef K |
| 232 | #undef F |
| 233 | |
| 234 | #define F(x,y,z) (x ^ y ^ z) |
| 235 | #define K 0xCA62C1D6 |
| 236 | |
| 237 | P( A, B, C, D, E, R(60) ); |
| 238 | P( E, A, B, C, D, R(61) ); |
| 239 | P( D, E, A, B, C, R(62) ); |
| 240 | P( C, D, E, A, B, R(63) ); |
| 241 | P( B, C, D, E, A, R(64) ); |
| 242 | P( A, B, C, D, E, R(65) ); |
| 243 | P( E, A, B, C, D, R(66) ); |
| 244 | P( D, E, A, B, C, R(67) ); |
| 245 | P( C, D, E, A, B, R(68) ); |
| 246 | P( B, C, D, E, A, R(69) ); |
| 247 | P( A, B, C, D, E, R(70) ); |
| 248 | P( E, A, B, C, D, R(71) ); |
| 249 | P( D, E, A, B, C, R(72) ); |
| 250 | P( C, D, E, A, B, R(73) ); |
| 251 | P( B, C, D, E, A, R(74) ); |
| 252 | P( A, B, C, D, E, R(75) ); |
| 253 | P( E, A, B, C, D, R(76) ); |
| 254 | P( D, E, A, B, C, R(77) ); |
| 255 | P( C, D, E, A, B, R(78) ); |
| 256 | P( B, C, D, E, A, R(79) ); |
| 257 | |
| 258 | #undef K |
| 259 | #undef F |
| 260 | |
| 261 | ctx->state[0] += A; |
| 262 | ctx->state[1] += B; |
| 263 | ctx->state[2] += C; |
| 264 | ctx->state[3] += D; |
| 265 | ctx->state[4] += E; |
| 266 | } |
| 267 | |
| 268 | /* |
| 269 | * SHA-1 process buffer |
| 270 | */ |
| 271 | void sha1_update( sha1_context *ctx, const unsigned char *input, size_t ilen ) |
| 272 | { |
| 273 | size_t fill; |
| 274 | uint32_t left; |
| 275 | |
| 276 | if( ilen == 0 ) |
| 277 | return; |
| 278 | |
| 279 | left = ctx->total[0] & 0x3F; |
| 280 | fill = 64 - left; |
| 281 | |
| 282 | ctx->total[0] += (uint32_t) ilen; |
| 283 | ctx->total[0] &= 0xFFFFFFFF; |
| 284 | |
| 285 | if( ctx->total[0] < (uint32_t) ilen ) |
| 286 | ctx->total[1]++; |
| 287 | |
| 288 | if( left && ilen >= fill ) |
| 289 | { |
| 290 | memcpy( (void *) (ctx->buffer + left), input, fill ); |
| 291 | sha1_process( ctx, ctx->buffer ); |
| 292 | input += fill; |
| 293 | ilen -= fill; |
| 294 | left = 0; |
| 295 | } |
| 296 | |
| 297 | while( ilen >= 64 ) |
| 298 | { |
| 299 | sha1_process( ctx, input ); |
| 300 | input += 64; |
| 301 | ilen -= 64; |
| 302 | } |
| 303 | |
| 304 | if( ilen > 0 ) |
| 305 | memcpy( (void *) (ctx->buffer + left), input, ilen ); |
| 306 | } |
| 307 | |
| 308 | static const unsigned char sha1_padding[64] = |
| 309 | { |
| 310 | 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 311 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 312 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 313 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 |
| 314 | }; |
| 315 | |
| 316 | /* |
| 317 | * SHA-1 final digest |
| 318 | */ |
| 319 | void sha1_finish( sha1_context *ctx, unsigned char output[20] ) |
| 320 | { |
| 321 | uint32_t last, padn; |
| 322 | uint32_t high, low; |
| 323 | unsigned char msglen[8]; |
| 324 | |
| 325 | high = ( ctx->total[0] >> 29 ) |
| 326 | | ( ctx->total[1] << 3 ); |
| 327 | low = ( ctx->total[0] << 3 ); |
| 328 | |
| 329 | PUT_UINT32_BE( high, msglen, 0 ); |
| 330 | PUT_UINT32_BE( low, msglen, 4 ); |
| 331 | |
| 332 | last = ctx->total[0] & 0x3F; |
| 333 | padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); |
| 334 | |
| 335 | sha1_update( ctx, sha1_padding, padn ); |
| 336 | sha1_update( ctx, msglen, 8 ); |
| 337 | |
| 338 | PUT_UINT32_BE( ctx->state[0], output, 0 ); |
| 339 | PUT_UINT32_BE( ctx->state[1], output, 4 ); |
| 340 | PUT_UINT32_BE( ctx->state[2], output, 8 ); |
| 341 | PUT_UINT32_BE( ctx->state[3], output, 12 ); |
| 342 | PUT_UINT32_BE( ctx->state[4], output, 16 ); |
| 343 | } |
| 344 | |
| 345 | #endif /* !POLARSSL_SHA1_ALT */ |
| 346 | |
| 347 | /* |
| 348 | * output = SHA-1( input buffer ) |
| 349 | */ |
| 350 | void sha1( const unsigned char *input, size_t ilen, unsigned char output[20] ) |
| 351 | { |
| 352 | sha1_context ctx; |
| 353 | |
| 354 | sha1_init( &ctx ); |
| 355 | sha1_starts( &ctx ); |
| 356 | sha1_update( &ctx, input, ilen ); |
| 357 | sha1_finish( &ctx, output ); |
| 358 | sha1_free( &ctx ); |
| 359 | } |
| 360 | |
| 361 | #if defined(POLARSSL_FS_IO) |
| 362 | /* |
| 363 | * output = SHA-1( file contents ) |
| 364 | */ |
| 365 | int sha1_file( const char *path, unsigned char output[20] ) |
| 366 | { |
| 367 | FILE *f; |
| 368 | size_t n; |
| 369 | sha1_context ctx; |
| 370 | unsigned char buf[1024]; |
| 371 | |
| 372 | if( ( f = fopen( path, "rb" ) ) == NULL ) |
| 373 | return( POLARSSL_ERR_SHA1_FILE_IO_ERROR ); |
| 374 | |
| 375 | sha1_init( &ctx ); |
| 376 | sha1_starts( &ctx ); |
| 377 | |
| 378 | while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) |
| 379 | sha1_update( &ctx, buf, n ); |
| 380 | |
| 381 | sha1_finish( &ctx, output ); |
| 382 | sha1_free( &ctx ); |
| 383 | |
| 384 | if( ferror( f ) != 0 ) |
| 385 | { |
| 386 | fclose( f ); |
| 387 | return( POLARSSL_ERR_SHA1_FILE_IO_ERROR ); |
| 388 | } |
| 389 | |
| 390 | fclose( f ); |
| 391 | return( 0 ); |
| 392 | } |
| 393 | #endif /* POLARSSL_FS_IO */ |
| 394 | |
| 395 | /* |
| 396 | * SHA-1 HMAC context setup |
| 397 | */ |
| 398 | void sha1_hmac_starts( sha1_context *ctx, const unsigned char *key, |
| 399 | size_t keylen ) |
| 400 | { |
| 401 | size_t i; |
| 402 | unsigned char sum[20]; |
| 403 | |
| 404 | if( keylen > 64 ) |
| 405 | { |
| 406 | sha1( key, keylen, sum ); |
| 407 | keylen = 20; |
| 408 | key = sum; |
| 409 | } |
| 410 | |
| 411 | memset( ctx->ipad, 0x36, 64 ); |
| 412 | memset( ctx->opad, 0x5C, 64 ); |
| 413 | |
| 414 | for( i = 0; i < keylen; i++ ) |
| 415 | { |
| 416 | ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] ); |
| 417 | ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] ); |
| 418 | } |
| 419 | |
| 420 | sha1_starts( ctx ); |
| 421 | sha1_update( ctx, ctx->ipad, 64 ); |
| 422 | |
| 423 | polarssl_zeroize( sum, sizeof( sum ) ); |
| 424 | } |
| 425 | |
| 426 | /* |
| 427 | * SHA-1 HMAC process buffer |
| 428 | */ |
| 429 | void sha1_hmac_update( sha1_context *ctx, const unsigned char *input, |
| 430 | size_t ilen ) |
| 431 | { |
| 432 | sha1_update( ctx, input, ilen ); |
| 433 | } |
| 434 | |
| 435 | /* |
| 436 | * SHA-1 HMAC final digest |
| 437 | */ |
| 438 | void sha1_hmac_finish( sha1_context *ctx, unsigned char output[20] ) |
| 439 | { |
| 440 | unsigned char tmpbuf[20]; |
| 441 | |
| 442 | sha1_finish( ctx, tmpbuf ); |
| 443 | sha1_starts( ctx ); |
| 444 | sha1_update( ctx, ctx->opad, 64 ); |
| 445 | sha1_update( ctx, tmpbuf, 20 ); |
| 446 | sha1_finish( ctx, output ); |
| 447 | |
| 448 | polarssl_zeroize( tmpbuf, sizeof( tmpbuf ) ); |
| 449 | } |
| 450 | |
| 451 | /* |
| 452 | * SHA1 HMAC context reset |
| 453 | */ |
| 454 | void sha1_hmac_reset( sha1_context *ctx ) |
| 455 | { |
| 456 | sha1_starts( ctx ); |
| 457 | sha1_update( ctx, ctx->ipad, 64 ); |
| 458 | } |
| 459 | |
| 460 | /* |
| 461 | * output = HMAC-SHA-1( hmac key, input buffer ) |
| 462 | */ |
| 463 | void sha1_hmac( const unsigned char *key, size_t keylen, |
| 464 | const unsigned char *input, size_t ilen, |
| 465 | unsigned char output[20] ) |
| 466 | { |
| 467 | sha1_context ctx; |
| 468 | |
| 469 | sha1_init( &ctx ); |
| 470 | sha1_hmac_starts( &ctx, key, keylen ); |
| 471 | sha1_hmac_update( &ctx, input, ilen ); |
| 472 | sha1_hmac_finish( &ctx, output ); |
| 473 | sha1_free( &ctx ); |
| 474 | } |
| 475 | |
| 476 | #if defined(POLARSSL_SELF_TEST) |
| 477 | /* |
| 478 | * FIPS-180-1 test vectors |
| 479 | */ |
| 480 | static const unsigned char sha1_test_buf[3][57] = |
| 481 | { |
| 482 | { "abc" }, |
| 483 | { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }, |
| 484 | { "" } |
| 485 | }; |
| 486 | |
| 487 | static const int sha1_test_buflen[3] = |
| 488 | { |
| 489 | 3, 56, 1000 |
| 490 | }; |
| 491 | |
| 492 | static const unsigned char sha1_test_sum[3][20] = |
| 493 | { |
| 494 | { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E, |
| 495 | 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D }, |
| 496 | { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE, |
| 497 | 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 }, |
| 498 | { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E, |
| 499 | 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F } |
| 500 | }; |
| 501 | |
| 502 | /* |
| 503 | * RFC 2202 test vectors |
| 504 | */ |
| 505 | static const unsigned char sha1_hmac_test_key[7][26] = |
| 506 | { |
| 507 | { "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B" |
| 508 | "\x0B\x0B\x0B\x0B" }, |
| 509 | { "Jefe" }, |
| 510 | { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA" |
| 511 | "\xAA\xAA\xAA\xAA" }, |
| 512 | { "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10" |
| 513 | "\x11\x12\x13\x14\x15\x16\x17\x18\x19" }, |
| 514 | { "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C" |
| 515 | "\x0C\x0C\x0C\x0C" }, |
| 516 | { "" }, /* 0xAA 80 times */ |
| 517 | { "" } |
| 518 | }; |
| 519 | |
| 520 | static const int sha1_hmac_test_keylen[7] = |
| 521 | { |
| 522 | 20, 4, 20, 25, 20, 80, 80 |
| 523 | }; |
| 524 | |
| 525 | static const unsigned char sha1_hmac_test_buf[7][74] = |
| 526 | { |
| 527 | { "Hi There" }, |
| 528 | { "what do ya want for nothing?" }, |
| 529 | { "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" |
| 530 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" |
| 531 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" |
| 532 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" |
| 533 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" }, |
| 534 | { "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" |
| 535 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" |
| 536 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" |
| 537 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" |
| 538 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" }, |
| 539 | { "Test With Truncation" }, |
| 540 | { "Test Using Larger Than Block-Size Key - Hash Key First" }, |
| 541 | { "Test Using Larger Than Block-Size Key and Larger" |
| 542 | " Than One Block-Size Data" } |
| 543 | }; |
| 544 | |
| 545 | static const int sha1_hmac_test_buflen[7] = |
| 546 | { |
| 547 | 8, 28, 50, 50, 20, 54, 73 |
| 548 | }; |
| 549 | |
| 550 | static const unsigned char sha1_hmac_test_sum[7][20] = |
| 551 | { |
| 552 | { 0xB6, 0x17, 0x31, 0x86, 0x55, 0x05, 0x72, 0x64, 0xE2, 0x8B, |
| 553 | 0xC0, 0xB6, 0xFB, 0x37, 0x8C, 0x8E, 0xF1, 0x46, 0xBE, 0x00 }, |
| 554 | { 0xEF, 0xFC, 0xDF, 0x6A, 0xE5, 0xEB, 0x2F, 0xA2, 0xD2, 0x74, |
| 555 | 0x16, 0xD5, 0xF1, 0x84, 0xDF, 0x9C, 0x25, 0x9A, 0x7C, 0x79 }, |
| 556 | { 0x12, 0x5D, 0x73, 0x42, 0xB9, 0xAC, 0x11, 0xCD, 0x91, 0xA3, |
| 557 | 0x9A, 0xF4, 0x8A, 0xA1, 0x7B, 0x4F, 0x63, 0xF1, 0x75, 0xD3 }, |
| 558 | { 0x4C, 0x90, 0x07, 0xF4, 0x02, 0x62, 0x50, 0xC6, 0xBC, 0x84, |
| 559 | 0x14, 0xF9, 0xBF, 0x50, 0xC8, 0x6C, 0x2D, 0x72, 0x35, 0xDA }, |
| 560 | { 0x4C, 0x1A, 0x03, 0x42, 0x4B, 0x55, 0xE0, 0x7F, 0xE7, 0xF2, |
| 561 | 0x7B, 0xE1 }, |
| 562 | { 0xAA, 0x4A, 0xE5, 0xE1, 0x52, 0x72, 0xD0, 0x0E, 0x95, 0x70, |
| 563 | 0x56, 0x37, 0xCE, 0x8A, 0x3B, 0x55, 0xED, 0x40, 0x21, 0x12 }, |
| 564 | { 0xE8, 0xE9, 0x9D, 0x0F, 0x45, 0x23, 0x7D, 0x78, 0x6D, 0x6B, |
| 565 | 0xBA, 0xA7, 0x96, 0x5C, 0x78, 0x08, 0xBB, 0xFF, 0x1A, 0x91 } |
| 566 | }; |
| 567 | |
| 568 | /* |
| 569 | * Checkup routine |
| 570 | */ |
| 571 | int sha1_self_test( int verbose ) |
| 572 | { |
| 573 | int i, j, buflen, ret = 0; |
| 574 | unsigned char buf[1024]; |
| 575 | unsigned char sha1sum[20]; |
| 576 | sha1_context ctx; |
| 577 | |
| 578 | sha1_init( &ctx ); |
| 579 | |
| 580 | /* |
| 581 | * SHA-1 |
| 582 | */ |
| 583 | for( i = 0; i < 3; i++ ) |
| 584 | { |
| 585 | if( verbose != 0 ) |
| 586 | polarssl_printf( " SHA-1 test #%d: ", i + 1 ); |
| 587 | |
| 588 | sha1_starts( &ctx ); |
| 589 | |
| 590 | if( i == 2 ) |
| 591 | { |
| 592 | memset( buf, 'a', buflen = 1000 ); |
| 593 | |
| 594 | for( j = 0; j < 1000; j++ ) |
| 595 | sha1_update( &ctx, buf, buflen ); |
| 596 | } |
| 597 | else |
| 598 | sha1_update( &ctx, sha1_test_buf[i], |
| 599 | sha1_test_buflen[i] ); |
| 600 | |
| 601 | sha1_finish( &ctx, sha1sum ); |
| 602 | |
| 603 | if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 ) |
| 604 | { |
| 605 | if( verbose != 0 ) |
| 606 | polarssl_printf( "failed\n" ); |
| 607 | |
| 608 | ret = 1; |
| 609 | goto exit; |
| 610 | } |
| 611 | |
| 612 | if( verbose != 0 ) |
| 613 | polarssl_printf( "passed\n" ); |
| 614 | } |
| 615 | |
| 616 | if( verbose != 0 ) |
| 617 | polarssl_printf( "\n" ); |
| 618 | |
| 619 | for( i = 0; i < 7; i++ ) |
| 620 | { |
| 621 | if( verbose != 0 ) |
| 622 | polarssl_printf( " HMAC-SHA-1 test #%d: ", i + 1 ); |
| 623 | |
| 624 | if( i == 5 || i == 6 ) |
| 625 | { |
| 626 | memset( buf, 0xAA, buflen = 80 ); |
| 627 | sha1_hmac_starts( &ctx, buf, buflen ); |
| 628 | } |
| 629 | else |
| 630 | sha1_hmac_starts( &ctx, sha1_hmac_test_key[i], |
| 631 | sha1_hmac_test_keylen[i] ); |
| 632 | |
| 633 | sha1_hmac_update( &ctx, sha1_hmac_test_buf[i], |
| 634 | sha1_hmac_test_buflen[i] ); |
| 635 | |
| 636 | sha1_hmac_finish( &ctx, sha1sum ); |
| 637 | |
| 638 | buflen = ( i == 4 ) ? 12 : 20; |
| 639 | |
| 640 | if( memcmp( sha1sum, sha1_hmac_test_sum[i], buflen ) != 0 ) |
| 641 | { |
| 642 | if( verbose != 0 ) |
| 643 | polarssl_printf( "failed\n" ); |
| 644 | |
| 645 | ret = 1; |
| 646 | goto exit; |
| 647 | } |
| 648 | |
| 649 | if( verbose != 0 ) |
| 650 | polarssl_printf( "passed\n" ); |
| 651 | } |
| 652 | |
| 653 | if( verbose != 0 ) |
| 654 | polarssl_printf( "\n" ); |
| 655 | |
| 656 | exit: |
| 657 | sha1_free( &ctx ); |
| 658 | |
| 659 | return( ret ); |
| 660 | } |
| 661 | |
| 662 | #endif /* POLARSSL_SELF_TEST */ |
| 663 | |
| 664 | #endif /* POLARSSL_SHA1_C */ |
| 665 | |