| 1 | /* |
| 2 | * FIPS-180-2 compliant SHA-256 implementation |
| 3 | * |
| 4 | * Copyright (C) 2006-2010, Brainspark B.V. |
| 5 | * |
| 6 | * This file is part of PolarSSL (http://www.polarssl.org) |
| 7 | * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> |
| 8 | * |
| 9 | * All rights reserved. |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
| 13 | * the Free Software Foundation; either version 2 of the License, or |
| 14 | * (at your option) any later version. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License along |
| 22 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 23 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 24 | */ |
| 25 | /* |
| 26 | * The SHA-256 Secure Hash Standard was published by NIST in 2002. |
| 27 | * |
| 28 | * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf |
| 29 | */ |
| 30 | |
| 31 | #include "polarssl/config.h" |
| 32 | |
| 33 | #if defined(POLARSSL_SHA2_C) |
| 34 | |
| 35 | #include "polarssl/sha2.h" |
| 36 | |
| 37 | #include <string.h> |
| 38 | #include <stdio.h> |
| 39 | |
| 40 | /* |
| 41 | * 32-bit integer manipulation macros (big endian) |
| 42 | */ |
| 43 | #ifndef GET_ULONG_BE |
| 44 | #define GET_ULONG_BE(n,b,i) \ |
| 45 | { \ |
| 46 | (n) = ( (unsigned long) (b)[(i) ] << 24 ) \ |
| 47 | | ( (unsigned long) (b)[(i) + 1] << 16 ) \ |
| 48 | | ( (unsigned long) (b)[(i) + 2] << 8 ) \ |
| 49 | | ( (unsigned long) (b)[(i) + 3] ); \ |
| 50 | } |
| 51 | #endif |
| 52 | |
| 53 | #ifndef PUT_ULONG_BE |
| 54 | #define PUT_ULONG_BE(n,b,i) \ |
| 55 | { \ |
| 56 | (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ |
| 57 | (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ |
| 58 | (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ |
| 59 | (b)[(i) + 3] = (unsigned char) ( (n) ); \ |
| 60 | } |
| 61 | #endif |
| 62 | |
| 63 | /* |
| 64 | * SHA-256 context setup |
| 65 | */ |
| 66 | void sha2_starts( sha2_context *ctx, int is224 ) |
| 67 | { |
| 68 | ctx->total[0] = 0; |
| 69 | ctx->total[1] = 0; |
| 70 | |
| 71 | if( is224 == 0 ) |
| 72 | { |
| 73 | /* SHA-256 */ |
| 74 | ctx->state[0] = 0x6A09E667; |
| 75 | ctx->state[1] = 0xBB67AE85; |
| 76 | ctx->state[2] = 0x3C6EF372; |
| 77 | ctx->state[3] = 0xA54FF53A; |
| 78 | ctx->state[4] = 0x510E527F; |
| 79 | ctx->state[5] = 0x9B05688C; |
| 80 | ctx->state[6] = 0x1F83D9AB; |
| 81 | ctx->state[7] = 0x5BE0CD19; |
| 82 | } |
| 83 | else |
| 84 | { |
| 85 | /* SHA-224 */ |
| 86 | ctx->state[0] = 0xC1059ED8; |
| 87 | ctx->state[1] = 0x367CD507; |
| 88 | ctx->state[2] = 0x3070DD17; |
| 89 | ctx->state[3] = 0xF70E5939; |
| 90 | ctx->state[4] = 0xFFC00B31; |
| 91 | ctx->state[5] = 0x68581511; |
| 92 | ctx->state[6] = 0x64F98FA7; |
| 93 | ctx->state[7] = 0xBEFA4FA4; |
| 94 | } |
| 95 | |
| 96 | ctx->is224 = is224; |
| 97 | } |
| 98 | |
| 99 | static void sha2_process( sha2_context *ctx, const unsigned char data[64] ) |
| 100 | { |
| 101 | unsigned long temp1, temp2, W[64]; |
| 102 | unsigned long A, B, C, D, E, F, G, H; |
| 103 | |
| 104 | GET_ULONG_BE( W[ 0], data, 0 ); |
| 105 | GET_ULONG_BE( W[ 1], data, 4 ); |
| 106 | GET_ULONG_BE( W[ 2], data, 8 ); |
| 107 | GET_ULONG_BE( W[ 3], data, 12 ); |
| 108 | GET_ULONG_BE( W[ 4], data, 16 ); |
| 109 | GET_ULONG_BE( W[ 5], data, 20 ); |
| 110 | GET_ULONG_BE( W[ 6], data, 24 ); |
| 111 | GET_ULONG_BE( W[ 7], data, 28 ); |
| 112 | GET_ULONG_BE( W[ 8], data, 32 ); |
| 113 | GET_ULONG_BE( W[ 9], data, 36 ); |
| 114 | GET_ULONG_BE( W[10], data, 40 ); |
| 115 | GET_ULONG_BE( W[11], data, 44 ); |
| 116 | GET_ULONG_BE( W[12], data, 48 ); |
| 117 | GET_ULONG_BE( W[13], data, 52 ); |
| 118 | GET_ULONG_BE( W[14], data, 56 ); |
| 119 | GET_ULONG_BE( W[15], data, 60 ); |
| 120 | |
| 121 | #define SHR(x,n) ((x & 0xFFFFFFFF) >> n) |
| 122 | #define ROTR(x,n) (SHR(x,n) | (x << (32 - n))) |
| 123 | |
| 124 | #define S0(x) (ROTR(x, 7) ^ ROTR(x,18) ^ SHR(x, 3)) |
| 125 | #define S1(x) (ROTR(x,17) ^ ROTR(x,19) ^ SHR(x,10)) |
| 126 | |
| 127 | #define S2(x) (ROTR(x, 2) ^ ROTR(x,13) ^ ROTR(x,22)) |
| 128 | #define S3(x) (ROTR(x, 6) ^ ROTR(x,11) ^ ROTR(x,25)) |
| 129 | |
| 130 | #define F0(x,y,z) ((x & y) | (z & (x | y))) |
| 131 | #define F1(x,y,z) (z ^ (x & (y ^ z))) |
| 132 | |
| 133 | #define R(t) \ |
| 134 | ( \ |
| 135 | W[t] = S1(W[t - 2]) + W[t - 7] + \ |
| 136 | S0(W[t - 15]) + W[t - 16] \ |
| 137 | ) |
| 138 | |
| 139 | #define P(a,b,c,d,e,f,g,h,x,K) \ |
| 140 | { \ |
| 141 | temp1 = h + S3(e) + F1(e,f,g) + K + x; \ |
| 142 | temp2 = S2(a) + F0(a,b,c); \ |
| 143 | d += temp1; h = temp1 + temp2; \ |
| 144 | } |
| 145 | |
| 146 | A = ctx->state[0]; |
| 147 | B = ctx->state[1]; |
| 148 | C = ctx->state[2]; |
| 149 | D = ctx->state[3]; |
| 150 | E = ctx->state[4]; |
| 151 | F = ctx->state[5]; |
| 152 | G = ctx->state[6]; |
| 153 | H = ctx->state[7]; |
| 154 | |
| 155 | P( A, B, C, D, E, F, G, H, W[ 0], 0x428A2F98 ); |
| 156 | P( H, A, B, C, D, E, F, G, W[ 1], 0x71374491 ); |
| 157 | P( G, H, A, B, C, D, E, F, W[ 2], 0xB5C0FBCF ); |
| 158 | P( F, G, H, A, B, C, D, E, W[ 3], 0xE9B5DBA5 ); |
| 159 | P( E, F, G, H, A, B, C, D, W[ 4], 0x3956C25B ); |
| 160 | P( D, E, F, G, H, A, B, C, W[ 5], 0x59F111F1 ); |
| 161 | P( C, D, E, F, G, H, A, B, W[ 6], 0x923F82A4 ); |
| 162 | P( B, C, D, E, F, G, H, A, W[ 7], 0xAB1C5ED5 ); |
| 163 | P( A, B, C, D, E, F, G, H, W[ 8], 0xD807AA98 ); |
| 164 | P( H, A, B, C, D, E, F, G, W[ 9], 0x12835B01 ); |
| 165 | P( G, H, A, B, C, D, E, F, W[10], 0x243185BE ); |
| 166 | P( F, G, H, A, B, C, D, E, W[11], 0x550C7DC3 ); |
| 167 | P( E, F, G, H, A, B, C, D, W[12], 0x72BE5D74 ); |
| 168 | P( D, E, F, G, H, A, B, C, W[13], 0x80DEB1FE ); |
| 169 | P( C, D, E, F, G, H, A, B, W[14], 0x9BDC06A7 ); |
| 170 | P( B, C, D, E, F, G, H, A, W[15], 0xC19BF174 ); |
| 171 | P( A, B, C, D, E, F, G, H, R(16), 0xE49B69C1 ); |
| 172 | P( H, A, B, C, D, E, F, G, R(17), 0xEFBE4786 ); |
| 173 | P( G, H, A, B, C, D, E, F, R(18), 0x0FC19DC6 ); |
| 174 | P( F, G, H, A, B, C, D, E, R(19), 0x240CA1CC ); |
| 175 | P( E, F, G, H, A, B, C, D, R(20), 0x2DE92C6F ); |
| 176 | P( D, E, F, G, H, A, B, C, R(21), 0x4A7484AA ); |
| 177 | P( C, D, E, F, G, H, A, B, R(22), 0x5CB0A9DC ); |
| 178 | P( B, C, D, E, F, G, H, A, R(23), 0x76F988DA ); |
| 179 | P( A, B, C, D, E, F, G, H, R(24), 0x983E5152 ); |
| 180 | P( H, A, B, C, D, E, F, G, R(25), 0xA831C66D ); |
| 181 | P( G, H, A, B, C, D, E, F, R(26), 0xB00327C8 ); |
| 182 | P( F, G, H, A, B, C, D, E, R(27), 0xBF597FC7 ); |
| 183 | P( E, F, G, H, A, B, C, D, R(28), 0xC6E00BF3 ); |
| 184 | P( D, E, F, G, H, A, B, C, R(29), 0xD5A79147 ); |
| 185 | P( C, D, E, F, G, H, A, B, R(30), 0x06CA6351 ); |
| 186 | P( B, C, D, E, F, G, H, A, R(31), 0x14292967 ); |
| 187 | P( A, B, C, D, E, F, G, H, R(32), 0x27B70A85 ); |
| 188 | P( H, A, B, C, D, E, F, G, R(33), 0x2E1B2138 ); |
| 189 | P( G, H, A, B, C, D, E, F, R(34), 0x4D2C6DFC ); |
| 190 | P( F, G, H, A, B, C, D, E, R(35), 0x53380D13 ); |
| 191 | P( E, F, G, H, A, B, C, D, R(36), 0x650A7354 ); |
| 192 | P( D, E, F, G, H, A, B, C, R(37), 0x766A0ABB ); |
| 193 | P( C, D, E, F, G, H, A, B, R(38), 0x81C2C92E ); |
| 194 | P( B, C, D, E, F, G, H, A, R(39), 0x92722C85 ); |
| 195 | P( A, B, C, D, E, F, G, H, R(40), 0xA2BFE8A1 ); |
| 196 | P( H, A, B, C, D, E, F, G, R(41), 0xA81A664B ); |
| 197 | P( G, H, A, B, C, D, E, F, R(42), 0xC24B8B70 ); |
| 198 | P( F, G, H, A, B, C, D, E, R(43), 0xC76C51A3 ); |
| 199 | P( E, F, G, H, A, B, C, D, R(44), 0xD192E819 ); |
| 200 | P( D, E, F, G, H, A, B, C, R(45), 0xD6990624 ); |
| 201 | P( C, D, E, F, G, H, A, B, R(46), 0xF40E3585 ); |
| 202 | P( B, C, D, E, F, G, H, A, R(47), 0x106AA070 ); |
| 203 | P( A, B, C, D, E, F, G, H, R(48), 0x19A4C116 ); |
| 204 | P( H, A, B, C, D, E, F, G, R(49), 0x1E376C08 ); |
| 205 | P( G, H, A, B, C, D, E, F, R(50), 0x2748774C ); |
| 206 | P( F, G, H, A, B, C, D, E, R(51), 0x34B0BCB5 ); |
| 207 | P( E, F, G, H, A, B, C, D, R(52), 0x391C0CB3 ); |
| 208 | P( D, E, F, G, H, A, B, C, R(53), 0x4ED8AA4A ); |
| 209 | P( C, D, E, F, G, H, A, B, R(54), 0x5B9CCA4F ); |
| 210 | P( B, C, D, E, F, G, H, A, R(55), 0x682E6FF3 ); |
| 211 | P( A, B, C, D, E, F, G, H, R(56), 0x748F82EE ); |
| 212 | P( H, A, B, C, D, E, F, G, R(57), 0x78A5636F ); |
| 213 | P( G, H, A, B, C, D, E, F, R(58), 0x84C87814 ); |
| 214 | P( F, G, H, A, B, C, D, E, R(59), 0x8CC70208 ); |
| 215 | P( E, F, G, H, A, B, C, D, R(60), 0x90BEFFFA ); |
| 216 | P( D, E, F, G, H, A, B, C, R(61), 0xA4506CEB ); |
| 217 | P( C, D, E, F, G, H, A, B, R(62), 0xBEF9A3F7 ); |
| 218 | P( B, C, D, E, F, G, H, A, R(63), 0xC67178F2 ); |
| 219 | |
| 220 | ctx->state[0] += A; |
| 221 | ctx->state[1] += B; |
| 222 | ctx->state[2] += C; |
| 223 | ctx->state[3] += D; |
| 224 | ctx->state[4] += E; |
| 225 | ctx->state[5] += F; |
| 226 | ctx->state[6] += G; |
| 227 | ctx->state[7] += H; |
| 228 | } |
| 229 | |
| 230 | /* |
| 231 | * SHA-256 process buffer |
| 232 | */ |
| 233 | void sha2_update( sha2_context *ctx, const unsigned char *input, int ilen ) |
| 234 | { |
| 235 | int fill; |
| 236 | unsigned long left; |
| 237 | |
| 238 | if( ilen <= 0 ) |
| 239 | return; |
| 240 | |
| 241 | left = ctx->total[0] & 0x3F; |
| 242 | fill = 64 - left; |
| 243 | |
| 244 | ctx->total[0] += ilen; |
| 245 | ctx->total[0] &= 0xFFFFFFFF; |
| 246 | |
| 247 | if( ctx->total[0] < (unsigned long) ilen ) |
| 248 | ctx->total[1]++; |
| 249 | |
| 250 | if( left && ilen >= fill ) |
| 251 | { |
| 252 | memcpy( (void *) (ctx->buffer + left), |
| 253 | (void *) input, fill ); |
| 254 | sha2_process( ctx, ctx->buffer ); |
| 255 | input += fill; |
| 256 | ilen -= fill; |
| 257 | left = 0; |
| 258 | } |
| 259 | |
| 260 | while( ilen >= 64 ) |
| 261 | { |
| 262 | sha2_process( ctx, input ); |
| 263 | input += 64; |
| 264 | ilen -= 64; |
| 265 | } |
| 266 | |
| 267 | if( ilen > 0 ) |
| 268 | { |
| 269 | memcpy( (void *) (ctx->buffer + left), |
| 270 | (void *) input, ilen ); |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | static const unsigned char sha2_padding[64] = |
| 275 | { |
| 276 | 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 277 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 278 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 279 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 |
| 280 | }; |
| 281 | |
| 282 | /* |
| 283 | * SHA-256 final digest |
| 284 | */ |
| 285 | void sha2_finish( sha2_context *ctx, unsigned char output[32] ) |
| 286 | { |
| 287 | unsigned long last, padn; |
| 288 | unsigned long high, low; |
| 289 | unsigned char msglen[8]; |
| 290 | |
| 291 | high = ( ctx->total[0] >> 29 ) |
| 292 | | ( ctx->total[1] << 3 ); |
| 293 | low = ( ctx->total[0] << 3 ); |
| 294 | |
| 295 | PUT_ULONG_BE( high, msglen, 0 ); |
| 296 | PUT_ULONG_BE( low, msglen, 4 ); |
| 297 | |
| 298 | last = ctx->total[0] & 0x3F; |
| 299 | padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); |
| 300 | |
| 301 | sha2_update( ctx, (unsigned char *) sha2_padding, padn ); |
| 302 | sha2_update( ctx, msglen, 8 ); |
| 303 | |
| 304 | PUT_ULONG_BE( ctx->state[0], output, 0 ); |
| 305 | PUT_ULONG_BE( ctx->state[1], output, 4 ); |
| 306 | PUT_ULONG_BE( ctx->state[2], output, 8 ); |
| 307 | PUT_ULONG_BE( ctx->state[3], output, 12 ); |
| 308 | PUT_ULONG_BE( ctx->state[4], output, 16 ); |
| 309 | PUT_ULONG_BE( ctx->state[5], output, 20 ); |
| 310 | PUT_ULONG_BE( ctx->state[6], output, 24 ); |
| 311 | |
| 312 | if( ctx->is224 == 0 ) |
| 313 | PUT_ULONG_BE( ctx->state[7], output, 28 ); |
| 314 | } |
| 315 | |
| 316 | /* |
| 317 | * output = SHA-256( input buffer ) |
| 318 | */ |
| 319 | void sha2( const unsigned char *input, int ilen, |
| 320 | unsigned char output[32], int is224 ) |
| 321 | { |
| 322 | sha2_context ctx; |
| 323 | |
| 324 | sha2_starts( &ctx, is224 ); |
| 325 | sha2_update( &ctx, input, ilen ); |
| 326 | sha2_finish( &ctx, output ); |
| 327 | |
| 328 | memset( &ctx, 0, sizeof( sha2_context ) ); |
| 329 | } |
| 330 | |
| 331 | /* |
| 332 | * output = SHA-256( file contents ) |
| 333 | */ |
| 334 | int sha2_file( const char *path, unsigned char output[32], int is224 ) |
| 335 | { |
| 336 | FILE *f; |
| 337 | size_t n; |
| 338 | sha2_context ctx; |
| 339 | unsigned char buf[1024]; |
| 340 | |
| 341 | if( ( f = fopen( path, "rb" ) ) == NULL ) |
| 342 | return( 1 ); |
| 343 | |
| 344 | sha2_starts( &ctx, is224 ); |
| 345 | |
| 346 | while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) |
| 347 | sha2_update( &ctx, buf, (int) n ); |
| 348 | |
| 349 | sha2_finish( &ctx, output ); |
| 350 | |
| 351 | memset( &ctx, 0, sizeof( sha2_context ) ); |
| 352 | |
| 353 | if( ferror( f ) != 0 ) |
| 354 | { |
| 355 | fclose( f ); |
| 356 | return( 2 ); |
| 357 | } |
| 358 | |
| 359 | fclose( f ); |
| 360 | return( 0 ); |
| 361 | } |
| 362 | |
| 363 | /* |
| 364 | * SHA-256 HMAC context setup |
| 365 | */ |
| 366 | void sha2_hmac_starts( sha2_context *ctx, const unsigned char *key, int keylen, |
| 367 | int is224 ) |
| 368 | { |
| 369 | int i; |
| 370 | unsigned char sum[32]; |
| 371 | |
| 372 | if( keylen > 64 ) |
| 373 | { |
| 374 | sha2( key, keylen, sum, is224 ); |
| 375 | keylen = ( is224 ) ? 28 : 32; |
| 376 | key = sum; |
| 377 | } |
| 378 | |
| 379 | memset( ctx->ipad, 0x36, 64 ); |
| 380 | memset( ctx->opad, 0x5C, 64 ); |
| 381 | |
| 382 | for( i = 0; i < keylen; i++ ) |
| 383 | { |
| 384 | ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] ); |
| 385 | ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] ); |
| 386 | } |
| 387 | |
| 388 | sha2_starts( ctx, is224 ); |
| 389 | sha2_update( ctx, ctx->ipad, 64 ); |
| 390 | |
| 391 | memset( sum, 0, sizeof( sum ) ); |
| 392 | } |
| 393 | |
| 394 | /* |
| 395 | * SHA-256 HMAC process buffer |
| 396 | */ |
| 397 | void sha2_hmac_update( sha2_context *ctx, const unsigned char *input, int ilen ) |
| 398 | { |
| 399 | sha2_update( ctx, input, ilen ); |
| 400 | } |
| 401 | |
| 402 | /* |
| 403 | * SHA-256 HMAC final digest |
| 404 | */ |
| 405 | void sha2_hmac_finish( sha2_context *ctx, unsigned char output[32] ) |
| 406 | { |
| 407 | int is224, hlen; |
| 408 | unsigned char tmpbuf[32]; |
| 409 | |
| 410 | is224 = ctx->is224; |
| 411 | hlen = ( is224 == 0 ) ? 32 : 28; |
| 412 | |
| 413 | sha2_finish( ctx, tmpbuf ); |
| 414 | sha2_starts( ctx, is224 ); |
| 415 | sha2_update( ctx, ctx->opad, 64 ); |
| 416 | sha2_update( ctx, tmpbuf, hlen ); |
| 417 | sha2_finish( ctx, output ); |
| 418 | |
| 419 | memset( tmpbuf, 0, sizeof( tmpbuf ) ); |
| 420 | } |
| 421 | |
| 422 | /* |
| 423 | * SHA-256 HMAC context reset |
| 424 | */ |
| 425 | void sha2_hmac_reset( sha2_context *ctx ) |
| 426 | { |
| 427 | sha2_starts( ctx, ctx->is224 ); |
| 428 | sha2_update( ctx, ctx->ipad, 64 ); |
| 429 | } |
| 430 | |
| 431 | /* |
| 432 | * output = HMAC-SHA-256( hmac key, input buffer ) |
| 433 | */ |
| 434 | void sha2_hmac( const unsigned char *key, int keylen, |
| 435 | const unsigned char *input, int ilen, |
| 436 | unsigned char output[32], int is224 ) |
| 437 | { |
| 438 | sha2_context ctx; |
| 439 | |
| 440 | sha2_hmac_starts( &ctx, key, keylen, is224 ); |
| 441 | sha2_hmac_update( &ctx, input, ilen ); |
| 442 | sha2_hmac_finish( &ctx, output ); |
| 443 | |
| 444 | memset( &ctx, 0, sizeof( sha2_context ) ); |
| 445 | } |
| 446 | |
| 447 | #if defined(POLARSSL_SELF_TEST) |
| 448 | /* |
| 449 | * FIPS-180-2 test vectors |
| 450 | */ |
| 451 | static unsigned char sha2_test_buf[3][57] = |
| 452 | { |
| 453 | { "abc" }, |
| 454 | { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }, |
| 455 | { "" } |
| 456 | }; |
| 457 | |
| 458 | static const int sha2_test_buflen[3] = |
| 459 | { |
| 460 | 3, 56, 1000 |
| 461 | }; |
| 462 | |
| 463 | static const unsigned char sha2_test_sum[6][32] = |
| 464 | { |
| 465 | /* |
| 466 | * SHA-224 test vectors |
| 467 | */ |
| 468 | { 0x23, 0x09, 0x7D, 0x22, 0x34, 0x05, 0xD8, 0x22, |
| 469 | 0x86, 0x42, 0xA4, 0x77, 0xBD, 0xA2, 0x55, 0xB3, |
| 470 | 0x2A, 0xAD, 0xBC, 0xE4, 0xBD, 0xA0, 0xB3, 0xF7, |
| 471 | 0xE3, 0x6C, 0x9D, 0xA7 }, |
| 472 | { 0x75, 0x38, 0x8B, 0x16, 0x51, 0x27, 0x76, 0xCC, |
| 473 | 0x5D, 0xBA, 0x5D, 0xA1, 0xFD, 0x89, 0x01, 0x50, |
| 474 | 0xB0, 0xC6, 0x45, 0x5C, 0xB4, 0xF5, 0x8B, 0x19, |
| 475 | 0x52, 0x52, 0x25, 0x25 }, |
| 476 | { 0x20, 0x79, 0x46, 0x55, 0x98, 0x0C, 0x91, 0xD8, |
| 477 | 0xBB, 0xB4, 0xC1, 0xEA, 0x97, 0x61, 0x8A, 0x4B, |
| 478 | 0xF0, 0x3F, 0x42, 0x58, 0x19, 0x48, 0xB2, 0xEE, |
| 479 | 0x4E, 0xE7, 0xAD, 0x67 }, |
| 480 | |
| 481 | /* |
| 482 | * SHA-256 test vectors |
| 483 | */ |
| 484 | { 0xBA, 0x78, 0x16, 0xBF, 0x8F, 0x01, 0xCF, 0xEA, |
| 485 | 0x41, 0x41, 0x40, 0xDE, 0x5D, 0xAE, 0x22, 0x23, |
| 486 | 0xB0, 0x03, 0x61, 0xA3, 0x96, 0x17, 0x7A, 0x9C, |
| 487 | 0xB4, 0x10, 0xFF, 0x61, 0xF2, 0x00, 0x15, 0xAD }, |
| 488 | { 0x24, 0x8D, 0x6A, 0x61, 0xD2, 0x06, 0x38, 0xB8, |
| 489 | 0xE5, 0xC0, 0x26, 0x93, 0x0C, 0x3E, 0x60, 0x39, |
| 490 | 0xA3, 0x3C, 0xE4, 0x59, 0x64, 0xFF, 0x21, 0x67, |
| 491 | 0xF6, 0xEC, 0xED, 0xD4, 0x19, 0xDB, 0x06, 0xC1 }, |
| 492 | { 0xCD, 0xC7, 0x6E, 0x5C, 0x99, 0x14, 0xFB, 0x92, |
| 493 | 0x81, 0xA1, 0xC7, 0xE2, 0x84, 0xD7, 0x3E, 0x67, |
| 494 | 0xF1, 0x80, 0x9A, 0x48, 0xA4, 0x97, 0x20, 0x0E, |
| 495 | 0x04, 0x6D, 0x39, 0xCC, 0xC7, 0x11, 0x2C, 0xD0 } |
| 496 | }; |
| 497 | |
| 498 | /* |
| 499 | * RFC 4231 test vectors |
| 500 | */ |
| 501 | static unsigned char sha2_hmac_test_key[7][26] = |
| 502 | { |
| 503 | { "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B" |
| 504 | "\x0B\x0B\x0B\x0B" }, |
| 505 | { "Jefe" }, |
| 506 | { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA" |
| 507 | "\xAA\xAA\xAA\xAA" }, |
| 508 | { "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10" |
| 509 | "\x11\x12\x13\x14\x15\x16\x17\x18\x19" }, |
| 510 | { "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C" |
| 511 | "\x0C\x0C\x0C\x0C" }, |
| 512 | { "" }, /* 0xAA 131 times */ |
| 513 | { "" } |
| 514 | }; |
| 515 | |
| 516 | static const int sha2_hmac_test_keylen[7] = |
| 517 | { |
| 518 | 20, 4, 20, 25, 20, 131, 131 |
| 519 | }; |
| 520 | |
| 521 | static unsigned char sha2_hmac_test_buf[7][153] = |
| 522 | { |
| 523 | { "Hi There" }, |
| 524 | { "what do ya want for nothing?" }, |
| 525 | { "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" |
| 526 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" |
| 527 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" |
| 528 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" |
| 529 | "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" }, |
| 530 | { "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" |
| 531 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" |
| 532 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" |
| 533 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" |
| 534 | "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" }, |
| 535 | { "Test With Truncation" }, |
| 536 | { "Test Using Larger Than Block-Size Key - Hash Key First" }, |
| 537 | { "This is a test using a larger than block-size key " |
| 538 | "and a larger than block-size data. The key needs to " |
| 539 | "be hashed before being used by the HMAC algorithm." } |
| 540 | }; |
| 541 | |
| 542 | static const int sha2_hmac_test_buflen[7] = |
| 543 | { |
| 544 | 8, 28, 50, 50, 20, 54, 152 |
| 545 | }; |
| 546 | |
| 547 | static const unsigned char sha2_hmac_test_sum[14][32] = |
| 548 | { |
| 549 | /* |
| 550 | * HMAC-SHA-224 test vectors |
| 551 | */ |
| 552 | { 0x89, 0x6F, 0xB1, 0x12, 0x8A, 0xBB, 0xDF, 0x19, |
| 553 | 0x68, 0x32, 0x10, 0x7C, 0xD4, 0x9D, 0xF3, 0x3F, |
| 554 | 0x47, 0xB4, 0xB1, 0x16, 0x99, 0x12, 0xBA, 0x4F, |
| 555 | 0x53, 0x68, 0x4B, 0x22 }, |
| 556 | { 0xA3, 0x0E, 0x01, 0x09, 0x8B, 0xC6, 0xDB, 0xBF, |
| 557 | 0x45, 0x69, 0x0F, 0x3A, 0x7E, 0x9E, 0x6D, 0x0F, |
| 558 | 0x8B, 0xBE, 0xA2, 0xA3, 0x9E, 0x61, 0x48, 0x00, |
| 559 | 0x8F, 0xD0, 0x5E, 0x44 }, |
| 560 | { 0x7F, 0xB3, 0xCB, 0x35, 0x88, 0xC6, 0xC1, 0xF6, |
| 561 | 0xFF, 0xA9, 0x69, 0x4D, 0x7D, 0x6A, 0xD2, 0x64, |
| 562 | 0x93, 0x65, 0xB0, 0xC1, 0xF6, 0x5D, 0x69, 0xD1, |
| 563 | 0xEC, 0x83, 0x33, 0xEA }, |
| 564 | { 0x6C, 0x11, 0x50, 0x68, 0x74, 0x01, 0x3C, 0xAC, |
| 565 | 0x6A, 0x2A, 0xBC, 0x1B, 0xB3, 0x82, 0x62, 0x7C, |
| 566 | 0xEC, 0x6A, 0x90, 0xD8, 0x6E, 0xFC, 0x01, 0x2D, |
| 567 | 0xE7, 0xAF, 0xEC, 0x5A }, |
| 568 | { 0x0E, 0x2A, 0xEA, 0x68, 0xA9, 0x0C, 0x8D, 0x37, |
| 569 | 0xC9, 0x88, 0xBC, 0xDB, 0x9F, 0xCA, 0x6F, 0xA8 }, |
| 570 | { 0x95, 0xE9, 0xA0, 0xDB, 0x96, 0x20, 0x95, 0xAD, |
| 571 | 0xAE, 0xBE, 0x9B, 0x2D, 0x6F, 0x0D, 0xBC, 0xE2, |
| 572 | 0xD4, 0x99, 0xF1, 0x12, 0xF2, 0xD2, 0xB7, 0x27, |
| 573 | 0x3F, 0xA6, 0x87, 0x0E }, |
| 574 | { 0x3A, 0x85, 0x41, 0x66, 0xAC, 0x5D, 0x9F, 0x02, |
| 575 | 0x3F, 0x54, 0xD5, 0x17, 0xD0, 0xB3, 0x9D, 0xBD, |
| 576 | 0x94, 0x67, 0x70, 0xDB, 0x9C, 0x2B, 0x95, 0xC9, |
| 577 | 0xF6, 0xF5, 0x65, 0xD1 }, |
| 578 | |
| 579 | /* |
| 580 | * HMAC-SHA-256 test vectors |
| 581 | */ |
| 582 | { 0xB0, 0x34, 0x4C, 0x61, 0xD8, 0xDB, 0x38, 0x53, |
| 583 | 0x5C, 0xA8, 0xAF, 0xCE, 0xAF, 0x0B, 0xF1, 0x2B, |
| 584 | 0x88, 0x1D, 0xC2, 0x00, 0xC9, 0x83, 0x3D, 0xA7, |
| 585 | 0x26, 0xE9, 0x37, 0x6C, 0x2E, 0x32, 0xCF, 0xF7 }, |
| 586 | { 0x5B, 0xDC, 0xC1, 0x46, 0xBF, 0x60, 0x75, 0x4E, |
| 587 | 0x6A, 0x04, 0x24, 0x26, 0x08, 0x95, 0x75, 0xC7, |
| 588 | 0x5A, 0x00, 0x3F, 0x08, 0x9D, 0x27, 0x39, 0x83, |
| 589 | 0x9D, 0xEC, 0x58, 0xB9, 0x64, 0xEC, 0x38, 0x43 }, |
| 590 | { 0x77, 0x3E, 0xA9, 0x1E, 0x36, 0x80, 0x0E, 0x46, |
| 591 | 0x85, 0x4D, 0xB8, 0xEB, 0xD0, 0x91, 0x81, 0xA7, |
| 592 | 0x29, 0x59, 0x09, 0x8B, 0x3E, 0xF8, 0xC1, 0x22, |
| 593 | 0xD9, 0x63, 0x55, 0x14, 0xCE, 0xD5, 0x65, 0xFE }, |
| 594 | { 0x82, 0x55, 0x8A, 0x38, 0x9A, 0x44, 0x3C, 0x0E, |
| 595 | 0xA4, 0xCC, 0x81, 0x98, 0x99, 0xF2, 0x08, 0x3A, |
| 596 | 0x85, 0xF0, 0xFA, 0xA3, 0xE5, 0x78, 0xF8, 0x07, |
| 597 | 0x7A, 0x2E, 0x3F, 0xF4, 0x67, 0x29, 0x66, 0x5B }, |
| 598 | { 0xA3, 0xB6, 0x16, 0x74, 0x73, 0x10, 0x0E, 0xE0, |
| 599 | 0x6E, 0x0C, 0x79, 0x6C, 0x29, 0x55, 0x55, 0x2B }, |
| 600 | { 0x60, 0xE4, 0x31, 0x59, 0x1E, 0xE0, 0xB6, 0x7F, |
| 601 | 0x0D, 0x8A, 0x26, 0xAA, 0xCB, 0xF5, 0xB7, 0x7F, |
| 602 | 0x8E, 0x0B, 0xC6, 0x21, 0x37, 0x28, 0xC5, 0x14, |
| 603 | 0x05, 0x46, 0x04, 0x0F, 0x0E, 0xE3, 0x7F, 0x54 }, |
| 604 | { 0x9B, 0x09, 0xFF, 0xA7, 0x1B, 0x94, 0x2F, 0xCB, |
| 605 | 0x27, 0x63, 0x5F, 0xBC, 0xD5, 0xB0, 0xE9, 0x44, |
| 606 | 0xBF, 0xDC, 0x63, 0x64, 0x4F, 0x07, 0x13, 0x93, |
| 607 | 0x8A, 0x7F, 0x51, 0x53, 0x5C, 0x3A, 0x35, 0xE2 } |
| 608 | }; |
| 609 | |
| 610 | /* |
| 611 | * Checkup routine |
| 612 | */ |
| 613 | int sha2_self_test( int verbose ) |
| 614 | { |
| 615 | int i, j, k, buflen; |
| 616 | unsigned char buf[1024]; |
| 617 | unsigned char sha2sum[32]; |
| 618 | sha2_context ctx; |
| 619 | |
| 620 | for( i = 0; i < 6; i++ ) |
| 621 | { |
| 622 | j = i % 3; |
| 623 | k = i < 3; |
| 624 | |
| 625 | if( verbose != 0 ) |
| 626 | printf( " SHA-%d test #%d: ", 256 - k * 32, j + 1 ); |
| 627 | |
| 628 | sha2_starts( &ctx, k ); |
| 629 | |
| 630 | if( j == 2 ) |
| 631 | { |
| 632 | memset( buf, 'a', buflen = 1000 ); |
| 633 | |
| 634 | for( j = 0; j < 1000; j++ ) |
| 635 | sha2_update( &ctx, buf, buflen ); |
| 636 | } |
| 637 | else |
| 638 | sha2_update( &ctx, sha2_test_buf[j], |
| 639 | sha2_test_buflen[j] ); |
| 640 | |
| 641 | sha2_finish( &ctx, sha2sum ); |
| 642 | |
| 643 | if( memcmp( sha2sum, sha2_test_sum[i], 32 - k * 4 ) != 0 ) |
| 644 | { |
| 645 | if( verbose != 0 ) |
| 646 | printf( "failed\n" ); |
| 647 | |
| 648 | return( 1 ); |
| 649 | } |
| 650 | |
| 651 | if( verbose != 0 ) |
| 652 | printf( "passed\n" ); |
| 653 | } |
| 654 | |
| 655 | if( verbose != 0 ) |
| 656 | printf( "\n" ); |
| 657 | |
| 658 | for( i = 0; i < 14; i++ ) |
| 659 | { |
| 660 | j = i % 7; |
| 661 | k = i < 7; |
| 662 | |
| 663 | if( verbose != 0 ) |
| 664 | printf( " HMAC-SHA-%d test #%d: ", 256 - k * 32, j + 1 ); |
| 665 | |
| 666 | if( j == 5 || j == 6 ) |
| 667 | { |
| 668 | memset( buf, '\xAA', buflen = 131 ); |
| 669 | sha2_hmac_starts( &ctx, buf, buflen, k ); |
| 670 | } |
| 671 | else |
| 672 | sha2_hmac_starts( &ctx, sha2_hmac_test_key[j], |
| 673 | sha2_hmac_test_keylen[j], k ); |
| 674 | |
| 675 | sha2_hmac_update( &ctx, sha2_hmac_test_buf[j], |
| 676 | sha2_hmac_test_buflen[j] ); |
| 677 | |
| 678 | sha2_hmac_finish( &ctx, sha2sum ); |
| 679 | |
| 680 | buflen = ( j == 4 ) ? 16 : 32 - k * 4; |
| 681 | |
| 682 | if( memcmp( sha2sum, sha2_hmac_test_sum[i], buflen ) != 0 ) |
| 683 | { |
| 684 | if( verbose != 0 ) |
| 685 | printf( "failed\n" ); |
| 686 | |
| 687 | return( 1 ); |
| 688 | } |
| 689 | |
| 690 | if( verbose != 0 ) |
| 691 | printf( "passed\n" ); |
| 692 | } |
| 693 | |
| 694 | if( verbose != 0 ) |
| 695 | printf( "\n" ); |
| 696 | |
| 697 | return( 0 ); |
| 698 | } |
| 699 | |
| 700 | #endif |
| 701 | |
| 702 | #endif |