[398] | 1 | /*
|
---|
| 2 | * FIPS-180-1 compliant SHA-1 implementation
|
---|
| 3 | *
|
---|
| 4 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
|
---|
| 5 | * SPDX-License-Identifier: Apache-2.0
|
---|
| 6 | *
|
---|
| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); you may
|
---|
| 8 | * not use this file except in compliance with the License.
|
---|
| 9 | * You may obtain a copy of the License at
|
---|
| 10 | *
|
---|
| 11 | * http://www.apache.org/licenses/LICENSE-2.0
|
---|
| 12 | *
|
---|
| 13 | * Unless required by applicable law or agreed to in writing, software
|
---|
| 14 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
---|
| 15 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
---|
| 16 | * See the License for the specific language governing permissions and
|
---|
| 17 | * limitations under the License.
|
---|
| 18 | *
|
---|
| 19 | * This file is part of mbed TLS (https://tls.mbed.org)
|
---|
| 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(MBEDTLS_CONFIG_FILE)
|
---|
| 28 | #include "mbedtls/config.h"
|
---|
| 29 | #else
|
---|
| 30 | #include MBEDTLS_CONFIG_FILE
|
---|
| 31 | #endif
|
---|
| 32 |
|
---|
| 33 | #if defined(MBEDTLS_SHA1_C)
|
---|
| 34 |
|
---|
| 35 | #include "mbedtls/sha1.h"
|
---|
| 36 | #include "mbedtls/platform_util.h"
|
---|
| 37 |
|
---|
| 38 | #include <string.h>
|
---|
| 39 |
|
---|
| 40 | #if defined(MBEDTLS_SELF_TEST)
|
---|
| 41 | #if defined(MBEDTLS_PLATFORM_C)
|
---|
| 42 | #include "mbedtls/platform.h"
|
---|
| 43 | #else
|
---|
| 44 | #include <stdio.h>
|
---|
| 45 | #define mbedtls_printf printf
|
---|
| 46 | #endif /* MBEDTLS_PLATFORM_C */
|
---|
| 47 | #endif /* MBEDTLS_SELF_TEST */
|
---|
| 48 |
|
---|
| 49 | #define SHA1_VALIDATE_RET(cond) \
|
---|
| 50 | MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_SHA1_BAD_INPUT_DATA )
|
---|
| 51 |
|
---|
| 52 | #define SHA1_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE( cond )
|
---|
| 53 |
|
---|
| 54 | #if !defined(MBEDTLS_SHA1_ALT)
|
---|
| 55 |
|
---|
| 56 | /*
|
---|
| 57 | * 32-bit integer manipulation macros (big endian)
|
---|
| 58 | */
|
---|
| 59 | #ifndef GET_UINT32_BE
|
---|
| 60 | #define GET_UINT32_BE(n,b,i) \
|
---|
| 61 | { \
|
---|
| 62 | (n) = ( (uint32_t) (b)[(i) ] << 24 ) \
|
---|
| 63 | | ( (uint32_t) (b)[(i) + 1] << 16 ) \
|
---|
| 64 | | ( (uint32_t) (b)[(i) + 2] << 8 ) \
|
---|
| 65 | | ( (uint32_t) (b)[(i) + 3] ); \
|
---|
| 66 | }
|
---|
| 67 | #endif
|
---|
| 68 |
|
---|
| 69 | #ifndef PUT_UINT32_BE
|
---|
| 70 | #define PUT_UINT32_BE(n,b,i) \
|
---|
| 71 | { \
|
---|
| 72 | (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
|
---|
| 73 | (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
|
---|
| 74 | (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
|
---|
| 75 | (b)[(i) + 3] = (unsigned char) ( (n) ); \
|
---|
| 76 | }
|
---|
| 77 | #endif
|
---|
| 78 |
|
---|
| 79 | void mbedtls_sha1_init( mbedtls_sha1_context *ctx )
|
---|
| 80 | {
|
---|
| 81 | SHA1_VALIDATE( ctx != NULL );
|
---|
| 82 |
|
---|
| 83 | memset( ctx, 0, sizeof( mbedtls_sha1_context ) );
|
---|
| 84 | }
|
---|
| 85 |
|
---|
| 86 | void mbedtls_sha1_free( mbedtls_sha1_context *ctx )
|
---|
| 87 | {
|
---|
| 88 | if( ctx == NULL )
|
---|
| 89 | return;
|
---|
| 90 |
|
---|
| 91 | mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha1_context ) );
|
---|
| 92 | }
|
---|
| 93 |
|
---|
| 94 | void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
|
---|
| 95 | const mbedtls_sha1_context *src )
|
---|
| 96 | {
|
---|
| 97 | SHA1_VALIDATE( dst != NULL );
|
---|
| 98 | SHA1_VALIDATE( src != NULL );
|
---|
| 99 |
|
---|
| 100 | *dst = *src;
|
---|
| 101 | }
|
---|
| 102 |
|
---|
| 103 | /*
|
---|
| 104 | * SHA-1 context setup
|
---|
| 105 | */
|
---|
| 106 | int mbedtls_sha1_starts_ret( mbedtls_sha1_context *ctx )
|
---|
| 107 | {
|
---|
| 108 | SHA1_VALIDATE_RET( ctx != NULL );
|
---|
| 109 |
|
---|
| 110 | ctx->total[0] = 0;
|
---|
| 111 | ctx->total[1] = 0;
|
---|
| 112 |
|
---|
| 113 | ctx->state[0] = 0x67452301;
|
---|
| 114 | ctx->state[1] = 0xEFCDAB89;
|
---|
| 115 | ctx->state[2] = 0x98BADCFE;
|
---|
| 116 | ctx->state[3] = 0x10325476;
|
---|
| 117 | ctx->state[4] = 0xC3D2E1F0;
|
---|
| 118 |
|
---|
| 119 | return( 0 );
|
---|
| 120 | }
|
---|
| 121 |
|
---|
| 122 | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
|
---|
| 123 | void mbedtls_sha1_starts( mbedtls_sha1_context *ctx )
|
---|
| 124 | {
|
---|
| 125 | mbedtls_sha1_starts_ret( ctx );
|
---|
| 126 | }
|
---|
| 127 | #endif
|
---|
| 128 |
|
---|
| 129 | #if !defined(MBEDTLS_SHA1_PROCESS_ALT)
|
---|
| 130 | int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx,
|
---|
| 131 | const unsigned char data[64] )
|
---|
| 132 | {
|
---|
| 133 | uint32_t temp, W[16], A, B, C, D, E;
|
---|
| 134 |
|
---|
| 135 | SHA1_VALIDATE_RET( ctx != NULL );
|
---|
| 136 | SHA1_VALIDATE_RET( (const unsigned char *)data != NULL );
|
---|
| 137 |
|
---|
| 138 | GET_UINT32_BE( W[ 0], data, 0 );
|
---|
| 139 | GET_UINT32_BE( W[ 1], data, 4 );
|
---|
| 140 | GET_UINT32_BE( W[ 2], data, 8 );
|
---|
| 141 | GET_UINT32_BE( W[ 3], data, 12 );
|
---|
| 142 | GET_UINT32_BE( W[ 4], data, 16 );
|
---|
| 143 | GET_UINT32_BE( W[ 5], data, 20 );
|
---|
| 144 | GET_UINT32_BE( W[ 6], data, 24 );
|
---|
| 145 | GET_UINT32_BE( W[ 7], data, 28 );
|
---|
| 146 | GET_UINT32_BE( W[ 8], data, 32 );
|
---|
| 147 | GET_UINT32_BE( W[ 9], data, 36 );
|
---|
| 148 | GET_UINT32_BE( W[10], data, 40 );
|
---|
| 149 | GET_UINT32_BE( W[11], data, 44 );
|
---|
| 150 | GET_UINT32_BE( W[12], data, 48 );
|
---|
| 151 | GET_UINT32_BE( W[13], data, 52 );
|
---|
| 152 | GET_UINT32_BE( W[14], data, 56 );
|
---|
| 153 | GET_UINT32_BE( W[15], data, 60 );
|
---|
| 154 |
|
---|
| 155 | #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
|
---|
| 156 |
|
---|
| 157 | #define R(t) \
|
---|
| 158 | ( \
|
---|
| 159 | temp = W[( t - 3 ) & 0x0F] ^ W[( t - 8 ) & 0x0F] ^ \
|
---|
| 160 | W[( t - 14 ) & 0x0F] ^ W[ t & 0x0F], \
|
---|
| 161 | ( W[t & 0x0F] = S(temp,1) ) \
|
---|
| 162 | )
|
---|
| 163 |
|
---|
| 164 | #define P(a,b,c,d,e,x) \
|
---|
| 165 | { \
|
---|
| 166 | e += S(a,5) + F(b,c,d) + K + x; b = S(b,30); \
|
---|
| 167 | }
|
---|
| 168 |
|
---|
| 169 | A = ctx->state[0];
|
---|
| 170 | B = ctx->state[1];
|
---|
| 171 | C = ctx->state[2];
|
---|
| 172 | D = ctx->state[3];
|
---|
| 173 | E = ctx->state[4];
|
---|
| 174 |
|
---|
| 175 | #define F(x,y,z) (z ^ (x & (y ^ z)))
|
---|
| 176 | #define K 0x5A827999
|
---|
| 177 |
|
---|
| 178 | P( A, B, C, D, E, W[0] );
|
---|
| 179 | P( E, A, B, C, D, W[1] );
|
---|
| 180 | P( D, E, A, B, C, W[2] );
|
---|
| 181 | P( C, D, E, A, B, W[3] );
|
---|
| 182 | P( B, C, D, E, A, W[4] );
|
---|
| 183 | P( A, B, C, D, E, W[5] );
|
---|
| 184 | P( E, A, B, C, D, W[6] );
|
---|
| 185 | P( D, E, A, B, C, W[7] );
|
---|
| 186 | P( C, D, E, A, B, W[8] );
|
---|
| 187 | P( B, C, D, E, A, W[9] );
|
---|
| 188 | P( A, B, C, D, E, W[10] );
|
---|
| 189 | P( E, A, B, C, D, W[11] );
|
---|
| 190 | P( D, E, A, B, C, W[12] );
|
---|
| 191 | P( C, D, E, A, B, W[13] );
|
---|
| 192 | P( B, C, D, E, A, W[14] );
|
---|
| 193 | P( A, B, C, D, E, W[15] );
|
---|
| 194 | P( E, A, B, C, D, R(16) );
|
---|
| 195 | P( D, E, A, B, C, R(17) );
|
---|
| 196 | P( C, D, E, A, B, R(18) );
|
---|
| 197 | P( B, C, D, E, A, R(19) );
|
---|
| 198 |
|
---|
| 199 | #undef K
|
---|
| 200 | #undef F
|
---|
| 201 |
|
---|
| 202 | #define F(x,y,z) (x ^ y ^ z)
|
---|
| 203 | #define K 0x6ED9EBA1
|
---|
| 204 |
|
---|
| 205 | P( A, B, C, D, E, R(20) );
|
---|
| 206 | P( E, A, B, C, D, R(21) );
|
---|
| 207 | P( D, E, A, B, C, R(22) );
|
---|
| 208 | P( C, D, E, A, B, R(23) );
|
---|
| 209 | P( B, C, D, E, A, R(24) );
|
---|
| 210 | P( A, B, C, D, E, R(25) );
|
---|
| 211 | P( E, A, B, C, D, R(26) );
|
---|
| 212 | P( D, E, A, B, C, R(27) );
|
---|
| 213 | P( C, D, E, A, B, R(28) );
|
---|
| 214 | P( B, C, D, E, A, R(29) );
|
---|
| 215 | P( A, B, C, D, E, R(30) );
|
---|
| 216 | P( E, A, B, C, D, R(31) );
|
---|
| 217 | P( D, E, A, B, C, R(32) );
|
---|
| 218 | P( C, D, E, A, B, R(33) );
|
---|
| 219 | P( B, C, D, E, A, R(34) );
|
---|
| 220 | P( A, B, C, D, E, R(35) );
|
---|
| 221 | P( E, A, B, C, D, R(36) );
|
---|
| 222 | P( D, E, A, B, C, R(37) );
|
---|
| 223 | P( C, D, E, A, B, R(38) );
|
---|
| 224 | P( B, C, D, E, A, R(39) );
|
---|
| 225 |
|
---|
| 226 | #undef K
|
---|
| 227 | #undef F
|
---|
| 228 |
|
---|
| 229 | #define F(x,y,z) ((x & y) | (z & (x | y)))
|
---|
| 230 | #define K 0x8F1BBCDC
|
---|
| 231 |
|
---|
| 232 | P( A, B, C, D, E, R(40) );
|
---|
| 233 | P( E, A, B, C, D, R(41) );
|
---|
| 234 | P( D, E, A, B, C, R(42) );
|
---|
| 235 | P( C, D, E, A, B, R(43) );
|
---|
| 236 | P( B, C, D, E, A, R(44) );
|
---|
| 237 | P( A, B, C, D, E, R(45) );
|
---|
| 238 | P( E, A, B, C, D, R(46) );
|
---|
| 239 | P( D, E, A, B, C, R(47) );
|
---|
| 240 | P( C, D, E, A, B, R(48) );
|
---|
| 241 | P( B, C, D, E, A, R(49) );
|
---|
| 242 | P( A, B, C, D, E, R(50) );
|
---|
| 243 | P( E, A, B, C, D, R(51) );
|
---|
| 244 | P( D, E, A, B, C, R(52) );
|
---|
| 245 | P( C, D, E, A, B, R(53) );
|
---|
| 246 | P( B, C, D, E, A, R(54) );
|
---|
| 247 | P( A, B, C, D, E, R(55) );
|
---|
| 248 | P( E, A, B, C, D, R(56) );
|
---|
| 249 | P( D, E, A, B, C, R(57) );
|
---|
| 250 | P( C, D, E, A, B, R(58) );
|
---|
| 251 | P( B, C, D, E, A, R(59) );
|
---|
| 252 |
|
---|
| 253 | #undef K
|
---|
| 254 | #undef F
|
---|
| 255 |
|
---|
| 256 | #define F(x,y,z) (x ^ y ^ z)
|
---|
| 257 | #define K 0xCA62C1D6
|
---|
| 258 |
|
---|
| 259 | P( A, B, C, D, E, R(60) );
|
---|
| 260 | P( E, A, B, C, D, R(61) );
|
---|
| 261 | P( D, E, A, B, C, R(62) );
|
---|
| 262 | P( C, D, E, A, B, R(63) );
|
---|
| 263 | P( B, C, D, E, A, R(64) );
|
---|
| 264 | P( A, B, C, D, E, R(65) );
|
---|
| 265 | P( E, A, B, C, D, R(66) );
|
---|
| 266 | P( D, E, A, B, C, R(67) );
|
---|
| 267 | P( C, D, E, A, B, R(68) );
|
---|
| 268 | P( B, C, D, E, A, R(69) );
|
---|
| 269 | P( A, B, C, D, E, R(70) );
|
---|
| 270 | P( E, A, B, C, D, R(71) );
|
---|
| 271 | P( D, E, A, B, C, R(72) );
|
---|
| 272 | P( C, D, E, A, B, R(73) );
|
---|
| 273 | P( B, C, D, E, A, R(74) );
|
---|
| 274 | P( A, B, C, D, E, R(75) );
|
---|
| 275 | P( E, A, B, C, D, R(76) );
|
---|
| 276 | P( D, E, A, B, C, R(77) );
|
---|
| 277 | P( C, D, E, A, B, R(78) );
|
---|
| 278 | P( B, C, D, E, A, R(79) );
|
---|
| 279 |
|
---|
| 280 | #undef K
|
---|
| 281 | #undef F
|
---|
| 282 |
|
---|
| 283 | ctx->state[0] += A;
|
---|
| 284 | ctx->state[1] += B;
|
---|
| 285 | ctx->state[2] += C;
|
---|
| 286 | ctx->state[3] += D;
|
---|
| 287 | ctx->state[4] += E;
|
---|
| 288 |
|
---|
| 289 | return( 0 );
|
---|
| 290 | }
|
---|
| 291 |
|
---|
| 292 | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
|
---|
| 293 | void mbedtls_sha1_process( mbedtls_sha1_context *ctx,
|
---|
| 294 | const unsigned char data[64] )
|
---|
| 295 | {
|
---|
| 296 | mbedtls_internal_sha1_process( ctx, data );
|
---|
| 297 | }
|
---|
| 298 | #endif
|
---|
| 299 | #endif /* !MBEDTLS_SHA1_PROCESS_ALT */
|
---|
| 300 |
|
---|
| 301 | /*
|
---|
| 302 | * SHA-1 process buffer
|
---|
| 303 | */
|
---|
| 304 | int mbedtls_sha1_update_ret( mbedtls_sha1_context *ctx,
|
---|
| 305 | const unsigned char *input,
|
---|
| 306 | size_t ilen )
|
---|
| 307 | {
|
---|
| 308 | int ret;
|
---|
| 309 | size_t fill;
|
---|
| 310 | uint32_t left;
|
---|
| 311 |
|
---|
| 312 | SHA1_VALIDATE_RET( ctx != NULL );
|
---|
| 313 | SHA1_VALIDATE_RET( ilen == 0 || input != NULL );
|
---|
| 314 |
|
---|
| 315 | if( ilen == 0 )
|
---|
| 316 | return( 0 );
|
---|
| 317 |
|
---|
| 318 | left = ctx->total[0] & 0x3F;
|
---|
| 319 | fill = 64 - left;
|
---|
| 320 |
|
---|
| 321 | ctx->total[0] += (uint32_t) ilen;
|
---|
| 322 | ctx->total[0] &= 0xFFFFFFFF;
|
---|
| 323 |
|
---|
| 324 | if( ctx->total[0] < (uint32_t) ilen )
|
---|
| 325 | ctx->total[1]++;
|
---|
| 326 |
|
---|
| 327 | if( left && ilen >= fill )
|
---|
| 328 | {
|
---|
| 329 | memcpy( (void *) (ctx->buffer + left), input, fill );
|
---|
| 330 |
|
---|
| 331 | if( ( ret = mbedtls_internal_sha1_process( ctx, ctx->buffer ) ) != 0 )
|
---|
| 332 | return( ret );
|
---|
| 333 |
|
---|
| 334 | input += fill;
|
---|
| 335 | ilen -= fill;
|
---|
| 336 | left = 0;
|
---|
| 337 | }
|
---|
| 338 |
|
---|
| 339 | while( ilen >= 64 )
|
---|
| 340 | {
|
---|
| 341 | if( ( ret = mbedtls_internal_sha1_process( ctx, input ) ) != 0 )
|
---|
| 342 | return( ret );
|
---|
| 343 |
|
---|
| 344 | input += 64;
|
---|
| 345 | ilen -= 64;
|
---|
| 346 | }
|
---|
| 347 |
|
---|
| 348 | if( ilen > 0 )
|
---|
| 349 | memcpy( (void *) (ctx->buffer + left), input, ilen );
|
---|
| 350 |
|
---|
| 351 | return( 0 );
|
---|
| 352 | }
|
---|
| 353 |
|
---|
| 354 | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
|
---|
| 355 | void mbedtls_sha1_update( mbedtls_sha1_context *ctx,
|
---|
| 356 | const unsigned char *input,
|
---|
| 357 | size_t ilen )
|
---|
| 358 | {
|
---|
| 359 | mbedtls_sha1_update_ret( ctx, input, ilen );
|
---|
| 360 | }
|
---|
| 361 | #endif
|
---|
| 362 |
|
---|
| 363 | /*
|
---|
| 364 | * SHA-1 final digest
|
---|
| 365 | */
|
---|
| 366 | int mbedtls_sha1_finish_ret( mbedtls_sha1_context *ctx,
|
---|
| 367 | unsigned char output[20] )
|
---|
| 368 | {
|
---|
| 369 | int ret;
|
---|
| 370 | uint32_t used;
|
---|
| 371 | uint32_t high, low;
|
---|
| 372 |
|
---|
| 373 | SHA1_VALIDATE_RET( ctx != NULL );
|
---|
| 374 | SHA1_VALIDATE_RET( (unsigned char *)output != NULL );
|
---|
| 375 |
|
---|
| 376 | /*
|
---|
| 377 | * Add padding: 0x80 then 0x00 until 8 bytes remain for the length
|
---|
| 378 | */
|
---|
| 379 | used = ctx->total[0] & 0x3F;
|
---|
| 380 |
|
---|
| 381 | ctx->buffer[used++] = 0x80;
|
---|
| 382 |
|
---|
| 383 | if( used <= 56 )
|
---|
| 384 | {
|
---|
| 385 | /* Enough room for padding + length in current block */
|
---|
| 386 | memset( ctx->buffer + used, 0, 56 - used );
|
---|
| 387 | }
|
---|
| 388 | else
|
---|
| 389 | {
|
---|
| 390 | /* We'll need an extra block */
|
---|
| 391 | memset( ctx->buffer + used, 0, 64 - used );
|
---|
| 392 |
|
---|
| 393 | if( ( ret = mbedtls_internal_sha1_process( ctx, ctx->buffer ) ) != 0 )
|
---|
| 394 | return( ret );
|
---|
| 395 |
|
---|
| 396 | memset( ctx->buffer, 0, 56 );
|
---|
| 397 | }
|
---|
| 398 |
|
---|
| 399 | /*
|
---|
| 400 | * Add message length
|
---|
| 401 | */
|
---|
| 402 | high = ( ctx->total[0] >> 29 )
|
---|
| 403 | | ( ctx->total[1] << 3 );
|
---|
| 404 | low = ( ctx->total[0] << 3 );
|
---|
| 405 |
|
---|
| 406 | PUT_UINT32_BE( high, ctx->buffer, 56 );
|
---|
| 407 | PUT_UINT32_BE( low, ctx->buffer, 60 );
|
---|
| 408 |
|
---|
| 409 | if( ( ret = mbedtls_internal_sha1_process( ctx, ctx->buffer ) ) != 0 )
|
---|
| 410 | return( ret );
|
---|
| 411 |
|
---|
| 412 | /*
|
---|
| 413 | * Output final state
|
---|
| 414 | */
|
---|
| 415 | PUT_UINT32_BE( ctx->state[0], output, 0 );
|
---|
| 416 | PUT_UINT32_BE( ctx->state[1], output, 4 );
|
---|
| 417 | PUT_UINT32_BE( ctx->state[2], output, 8 );
|
---|
| 418 | PUT_UINT32_BE( ctx->state[3], output, 12 );
|
---|
| 419 | PUT_UINT32_BE( ctx->state[4], output, 16 );
|
---|
| 420 |
|
---|
| 421 | return( 0 );
|
---|
| 422 | }
|
---|
| 423 |
|
---|
| 424 | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
|
---|
| 425 | void mbedtls_sha1_finish( mbedtls_sha1_context *ctx,
|
---|
| 426 | unsigned char output[20] )
|
---|
| 427 | {
|
---|
| 428 | mbedtls_sha1_finish_ret( ctx, output );
|
---|
| 429 | }
|
---|
| 430 | #endif
|
---|
| 431 |
|
---|
| 432 | #endif /* !MBEDTLS_SHA1_ALT */
|
---|
| 433 |
|
---|
| 434 | /*
|
---|
| 435 | * output = SHA-1( input buffer )
|
---|
| 436 | */
|
---|
| 437 | int mbedtls_sha1_ret( const unsigned char *input,
|
---|
| 438 | size_t ilen,
|
---|
| 439 | unsigned char output[20] )
|
---|
| 440 | {
|
---|
| 441 | int ret;
|
---|
| 442 | mbedtls_sha1_context ctx;
|
---|
| 443 |
|
---|
| 444 | SHA1_VALIDATE_RET( ilen == 0 || input != NULL );
|
---|
| 445 | SHA1_VALIDATE_RET( (unsigned char *)output != NULL );
|
---|
| 446 |
|
---|
| 447 | mbedtls_sha1_init( &ctx );
|
---|
| 448 |
|
---|
| 449 | if( ( ret = mbedtls_sha1_starts_ret( &ctx ) ) != 0 )
|
---|
| 450 | goto exit;
|
---|
| 451 |
|
---|
| 452 | if( ( ret = mbedtls_sha1_update_ret( &ctx, input, ilen ) ) != 0 )
|
---|
| 453 | goto exit;
|
---|
| 454 |
|
---|
| 455 | if( ( ret = mbedtls_sha1_finish_ret( &ctx, output ) ) != 0 )
|
---|
| 456 | goto exit;
|
---|
| 457 |
|
---|
| 458 | exit:
|
---|
| 459 | mbedtls_sha1_free( &ctx );
|
---|
| 460 |
|
---|
| 461 | return( ret );
|
---|
| 462 | }
|
---|
| 463 |
|
---|
| 464 | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
|
---|
| 465 | void mbedtls_sha1( const unsigned char *input,
|
---|
| 466 | size_t ilen,
|
---|
| 467 | unsigned char output[20] )
|
---|
| 468 | {
|
---|
| 469 | mbedtls_sha1_ret( input, ilen, output );
|
---|
| 470 | }
|
---|
| 471 | #endif
|
---|
| 472 |
|
---|
| 473 | #if defined(MBEDTLS_SELF_TEST)
|
---|
| 474 | /*
|
---|
| 475 | * FIPS-180-1 test vectors
|
---|
| 476 | */
|
---|
| 477 | static const unsigned char sha1_test_buf[3][57] =
|
---|
| 478 | {
|
---|
| 479 | { "abc" },
|
---|
| 480 | { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
|
---|
| 481 | { "" }
|
---|
| 482 | };
|
---|
| 483 |
|
---|
| 484 | static const size_t sha1_test_buflen[3] =
|
---|
| 485 | {
|
---|
| 486 | 3, 56, 1000
|
---|
| 487 | };
|
---|
| 488 |
|
---|
| 489 | static const unsigned char sha1_test_sum[3][20] =
|
---|
| 490 | {
|
---|
| 491 | { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E,
|
---|
| 492 | 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D },
|
---|
| 493 | { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE,
|
---|
| 494 | 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 },
|
---|
| 495 | { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E,
|
---|
| 496 | 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F }
|
---|
| 497 | };
|
---|
| 498 |
|
---|
| 499 | /*
|
---|
| 500 | * Checkup routine
|
---|
| 501 | */
|
---|
| 502 | int mbedtls_sha1_self_test( int verbose )
|
---|
| 503 | {
|
---|
| 504 | int i, j, buflen, ret = 0;
|
---|
| 505 | unsigned char buf[1024];
|
---|
| 506 | unsigned char sha1sum[20];
|
---|
| 507 | mbedtls_sha1_context ctx;
|
---|
| 508 |
|
---|
| 509 | mbedtls_sha1_init( &ctx );
|
---|
| 510 |
|
---|
| 511 | /*
|
---|
| 512 | * SHA-1
|
---|
| 513 | */
|
---|
| 514 | for( i = 0; i < 3; i++ )
|
---|
| 515 | {
|
---|
| 516 | if( verbose != 0 )
|
---|
| 517 | mbedtls_printf( " SHA-1 test #%d: ", i + 1 );
|
---|
| 518 |
|
---|
| 519 | if( ( ret = mbedtls_sha1_starts_ret( &ctx ) ) != 0 )
|
---|
| 520 | goto fail;
|
---|
| 521 |
|
---|
| 522 | if( i == 2 )
|
---|
| 523 | {
|
---|
| 524 | memset( buf, 'a', buflen = 1000 );
|
---|
| 525 |
|
---|
| 526 | for( j = 0; j < 1000; j++ )
|
---|
| 527 | {
|
---|
| 528 | ret = mbedtls_sha1_update_ret( &ctx, buf, buflen );
|
---|
| 529 | if( ret != 0 )
|
---|
| 530 | goto fail;
|
---|
| 531 | }
|
---|
| 532 | }
|
---|
| 533 | else
|
---|
| 534 | {
|
---|
| 535 | ret = mbedtls_sha1_update_ret( &ctx, sha1_test_buf[i],
|
---|
| 536 | sha1_test_buflen[i] );
|
---|
| 537 | if( ret != 0 )
|
---|
| 538 | goto fail;
|
---|
| 539 | }
|
---|
| 540 |
|
---|
| 541 | if( ( ret = mbedtls_sha1_finish_ret( &ctx, sha1sum ) ) != 0 )
|
---|
| 542 | goto fail;
|
---|
| 543 |
|
---|
| 544 | if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 )
|
---|
| 545 | {
|
---|
| 546 | ret = 1;
|
---|
| 547 | goto fail;
|
---|
| 548 | }
|
---|
| 549 |
|
---|
| 550 | if( verbose != 0 )
|
---|
| 551 | mbedtls_printf( "passed\n" );
|
---|
| 552 | }
|
---|
| 553 |
|
---|
| 554 | if( verbose != 0 )
|
---|
| 555 | mbedtls_printf( "\n" );
|
---|
| 556 |
|
---|
| 557 | goto exit;
|
---|
| 558 |
|
---|
| 559 | fail:
|
---|
| 560 | if( verbose != 0 )
|
---|
| 561 | mbedtls_printf( "failed\n" );
|
---|
| 562 |
|
---|
| 563 | exit:
|
---|
| 564 | mbedtls_sha1_free( &ctx );
|
---|
| 565 |
|
---|
| 566 | return( ret );
|
---|
| 567 | }
|
---|
| 568 |
|
---|
| 569 | #endif /* MBEDTLS_SELF_TEST */
|
---|
| 570 |
|
---|
| 571 | #endif /* MBEDTLS_SHA1_C */
|
---|