Willie Solano / mbedtls-slave-prot-prod

mbed TLS Build

Dependents:   Slave-prot-prod

library/sha1.c@0:cdf462088d13, 2017-01-05 (annotated)

Committer:
markrad
Date:
Thu Jan 05 00:18:44 2017 +0000
Revision:
0:cdf462088d13
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
markrad 0:cdf462088d13 1 /*
markrad 0:cdf462088d13 2 * FIPS-180-1 compliant SHA-1 implementation
markrad 0:cdf462088d13 3 *
markrad 0:cdf462088d13 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
markrad 0:cdf462088d13 5 * SPDX-License-Identifier: Apache-2.0
markrad 0:cdf462088d13 6 *
markrad 0:cdf462088d13 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
markrad 0:cdf462088d13 8 * not use this file except in compliance with the License.
markrad 0:cdf462088d13 9 * You may obtain a copy of the License at
markrad 0:cdf462088d13 10 *
markrad 0:cdf462088d13 11 * http://www.apache.org/licenses/LICENSE-2.0
markrad 0:cdf462088d13 12 *
markrad 0:cdf462088d13 13 * Unless required by applicable law or agreed to in writing, software
markrad 0:cdf462088d13 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
markrad 0:cdf462088d13 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
markrad 0:cdf462088d13 16 * See the License for the specific language governing permissions and
markrad 0:cdf462088d13 17 * limitations under the License.
markrad 0:cdf462088d13 18 *
markrad 0:cdf462088d13 19 * This file is part of mbed TLS (https://tls.mbed.org)
markrad 0:cdf462088d13 20 */
markrad 0:cdf462088d13 21 /*
markrad 0:cdf462088d13 22 * The SHA-1 standard was published by NIST in 1993.
markrad 0:cdf462088d13 23 *
markrad 0:cdf462088d13 24 * http://www.itl.nist.gov/fipspubs/fip180-1.htm
markrad 0:cdf462088d13 25 */
markrad 0:cdf462088d13 26
markrad 0:cdf462088d13 27 #if !defined(MBEDTLS_CONFIG_FILE)
markrad 0:cdf462088d13 28 #include "mbedtls/config.h"
markrad 0:cdf462088d13 29 #else
markrad 0:cdf462088d13 30 #include MBEDTLS_CONFIG_FILE
markrad 0:cdf462088d13 31 #endif
markrad 0:cdf462088d13 32
markrad 0:cdf462088d13 33 #if defined(MBEDTLS_SHA1_C)
markrad 0:cdf462088d13 34
markrad 0:cdf462088d13 35 #include "mbedtls/sha1.h"
markrad 0:cdf462088d13 36
markrad 0:cdf462088d13 37 #include <string.h>
markrad 0:cdf462088d13 38
markrad 0:cdf462088d13 39 #if defined(MBEDTLS_SELF_TEST)
markrad 0:cdf462088d13 40 #if defined(MBEDTLS_PLATFORM_C)
markrad 0:cdf462088d13 41 #include "mbedtls/platform.h"
markrad 0:cdf462088d13 42 #else
markrad 0:cdf462088d13 43 #include <stdio.h>
markrad 0:cdf462088d13 44 #define mbedtls_printf printf
markrad 0:cdf462088d13 45 #endif /* MBEDTLS_PLATFORM_C */
markrad 0:cdf462088d13 46 #endif /* MBEDTLS_SELF_TEST */
markrad 0:cdf462088d13 47
markrad 0:cdf462088d13 48 #if !defined(MBEDTLS_SHA1_ALT)
markrad 0:cdf462088d13 49
markrad 0:cdf462088d13 50 /* Implementation that should never be optimized out by the compiler */
markrad 0:cdf462088d13 51 static void mbedtls_zeroize( void *v, size_t n ) {
markrad 0:cdf462088d13 52 volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
markrad 0:cdf462088d13 53 }
markrad 0:cdf462088d13 54
markrad 0:cdf462088d13 55 /*
markrad 0:cdf462088d13 56 * 32-bit integer manipulation macros (big endian)
markrad 0:cdf462088d13 57 */
markrad 0:cdf462088d13 58 #ifndef GET_UINT32_BE
markrad 0:cdf462088d13 59 #define GET_UINT32_BE(n,b,i) \
markrad 0:cdf462088d13 60 { \
markrad 0:cdf462088d13 61 (n) = ( (uint32_t) (b)[(i) ] << 24 ) \
markrad 0:cdf462088d13 62 | ( (uint32_t) (b)[(i) + 1] << 16 ) \
markrad 0:cdf462088d13 63 | ( (uint32_t) (b)[(i) + 2] << 8 ) \
markrad 0:cdf462088d13 64 | ( (uint32_t) (b)[(i) + 3] ); \
markrad 0:cdf462088d13 65 }
markrad 0:cdf462088d13 66 #endif
markrad 0:cdf462088d13 67
markrad 0:cdf462088d13 68 #ifndef PUT_UINT32_BE
markrad 0:cdf462088d13 69 #define PUT_UINT32_BE(n,b,i) \
markrad 0:cdf462088d13 70 { \
markrad 0:cdf462088d13 71 (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
markrad 0:cdf462088d13 72 (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
markrad 0:cdf462088d13 73 (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
markrad 0:cdf462088d13 74 (b)[(i) + 3] = (unsigned char) ( (n) ); \
markrad 0:cdf462088d13 75 }
markrad 0:cdf462088d13 76 #endif
markrad 0:cdf462088d13 77
markrad 0:cdf462088d13 78 void mbedtls_sha1_init( mbedtls_sha1_context *ctx )
markrad 0:cdf462088d13 79 {
markrad 0:cdf462088d13 80 memset( ctx, 0, sizeof( mbedtls_sha1_context ) );
markrad 0:cdf462088d13 81 }
markrad 0:cdf462088d13 82
markrad 0:cdf462088d13 83 void mbedtls_sha1_free( mbedtls_sha1_context *ctx )
markrad 0:cdf462088d13 84 {
markrad 0:cdf462088d13 85 if( ctx == NULL )
markrad 0:cdf462088d13 86 return;
markrad 0:cdf462088d13 87
markrad 0:cdf462088d13 88 mbedtls_zeroize( ctx, sizeof( mbedtls_sha1_context ) );
markrad 0:cdf462088d13 89 }
markrad 0:cdf462088d13 90
markrad 0:cdf462088d13 91 void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
markrad 0:cdf462088d13 92 const mbedtls_sha1_context *src )
markrad 0:cdf462088d13 93 {
markrad 0:cdf462088d13 94 *dst = *src;
markrad 0:cdf462088d13 95 }
markrad 0:cdf462088d13 96
markrad 0:cdf462088d13 97 /*
markrad 0:cdf462088d13 98 * SHA-1 context setup
markrad 0:cdf462088d13 99 */
markrad 0:cdf462088d13 100 void mbedtls_sha1_starts( mbedtls_sha1_context *ctx )
markrad 0:cdf462088d13 101 {
markrad 0:cdf462088d13 102 ctx->total[0] = 0;
markrad 0:cdf462088d13 103 ctx->total[1] = 0;
markrad 0:cdf462088d13 104
markrad 0:cdf462088d13 105 ctx->state[0] = 0x67452301;
markrad 0:cdf462088d13 106 ctx->state[1] = 0xEFCDAB89;
markrad 0:cdf462088d13 107 ctx->state[2] = 0x98BADCFE;
markrad 0:cdf462088d13 108 ctx->state[3] = 0x10325476;
markrad 0:cdf462088d13 109 ctx->state[4] = 0xC3D2E1F0;
markrad 0:cdf462088d13 110 }
markrad 0:cdf462088d13 111
markrad 0:cdf462088d13 112 #if !defined(MBEDTLS_SHA1_PROCESS_ALT)
markrad 0:cdf462088d13 113 void mbedtls_sha1_process( mbedtls_sha1_context *ctx, const unsigned char data[64] )
markrad 0:cdf462088d13 114 {
markrad 0:cdf462088d13 115 uint32_t temp, W[16], A, B, C, D, E;
markrad 0:cdf462088d13 116
markrad 0:cdf462088d13 117 GET_UINT32_BE( W[ 0], data, 0 );
markrad 0:cdf462088d13 118 GET_UINT32_BE( W[ 1], data, 4 );
markrad 0:cdf462088d13 119 GET_UINT32_BE( W[ 2], data, 8 );
markrad 0:cdf462088d13 120 GET_UINT32_BE( W[ 3], data, 12 );
markrad 0:cdf462088d13 121 GET_UINT32_BE( W[ 4], data, 16 );
markrad 0:cdf462088d13 122 GET_UINT32_BE( W[ 5], data, 20 );
markrad 0:cdf462088d13 123 GET_UINT32_BE( W[ 6], data, 24 );
markrad 0:cdf462088d13 124 GET_UINT32_BE( W[ 7], data, 28 );
markrad 0:cdf462088d13 125 GET_UINT32_BE( W[ 8], data, 32 );
markrad 0:cdf462088d13 126 GET_UINT32_BE( W[ 9], data, 36 );
markrad 0:cdf462088d13 127 GET_UINT32_BE( W[10], data, 40 );
markrad 0:cdf462088d13 128 GET_UINT32_BE( W[11], data, 44 );
markrad 0:cdf462088d13 129 GET_UINT32_BE( W[12], data, 48 );
markrad 0:cdf462088d13 130 GET_UINT32_BE( W[13], data, 52 );
markrad 0:cdf462088d13 131 GET_UINT32_BE( W[14], data, 56 );
markrad 0:cdf462088d13 132 GET_UINT32_BE( W[15], data, 60 );
markrad 0:cdf462088d13 133
markrad 0:cdf462088d13 134 #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
markrad 0:cdf462088d13 135
markrad 0:cdf462088d13 136 #define R(t) \
markrad 0:cdf462088d13 137 ( \
markrad 0:cdf462088d13 138 temp = W[( t - 3 ) & 0x0F] ^ W[( t - 8 ) & 0x0F] ^ \
markrad 0:cdf462088d13 139 W[( t - 14 ) & 0x0F] ^ W[ t & 0x0F], \
markrad 0:cdf462088d13 140 ( W[t & 0x0F] = S(temp,1) ) \
markrad 0:cdf462088d13 141 )
markrad 0:cdf462088d13 142
markrad 0:cdf462088d13 143 #define P(a,b,c,d,e,x) \
markrad 0:cdf462088d13 144 { \
markrad 0:cdf462088d13 145 e += S(a,5) + F(b,c,d) + K + x; b = S(b,30); \
markrad 0:cdf462088d13 146 }
markrad 0:cdf462088d13 147
markrad 0:cdf462088d13 148 A = ctx->state[0];
markrad 0:cdf462088d13 149 B = ctx->state[1];
markrad 0:cdf462088d13 150 C = ctx->state[2];
markrad 0:cdf462088d13 151 D = ctx->state[3];
markrad 0:cdf462088d13 152 E = ctx->state[4];
markrad 0:cdf462088d13 153
markrad 0:cdf462088d13 154 #define F(x,y,z) (z ^ (x & (y ^ z)))
markrad 0:cdf462088d13 155 #define K 0x5A827999
markrad 0:cdf462088d13 156
markrad 0:cdf462088d13 157 P( A, B, C, D, E, W[0] );
markrad 0:cdf462088d13 158 P( E, A, B, C, D, W[1] );
markrad 0:cdf462088d13 159 P( D, E, A, B, C, W[2] );
markrad 0:cdf462088d13 160 P( C, D, E, A, B, W[3] );
markrad 0:cdf462088d13 161 P( B, C, D, E, A, W[4] );
markrad 0:cdf462088d13 162 P( A, B, C, D, E, W[5] );
markrad 0:cdf462088d13 163 P( E, A, B, C, D, W[6] );
markrad 0:cdf462088d13 164 P( D, E, A, B, C, W[7] );
markrad 0:cdf462088d13 165 P( C, D, E, A, B, W[8] );
markrad 0:cdf462088d13 166 P( B, C, D, E, A, W[9] );
markrad 0:cdf462088d13 167 P( A, B, C, D, E, W[10] );
markrad 0:cdf462088d13 168 P( E, A, B, C, D, W[11] );
markrad 0:cdf462088d13 169 P( D, E, A, B, C, W[12] );
markrad 0:cdf462088d13 170 P( C, D, E, A, B, W[13] );
markrad 0:cdf462088d13 171 P( B, C, D, E, A, W[14] );
markrad 0:cdf462088d13 172 P( A, B, C, D, E, W[15] );
markrad 0:cdf462088d13 173 P( E, A, B, C, D, R(16) );
markrad 0:cdf462088d13 174 P( D, E, A, B, C, R(17) );
markrad 0:cdf462088d13 175 P( C, D, E, A, B, R(18) );
markrad 0:cdf462088d13 176 P( B, C, D, E, A, R(19) );
markrad 0:cdf462088d13 177
markrad 0:cdf462088d13 178 #undef K
markrad 0:cdf462088d13 179 #undef F
markrad 0:cdf462088d13 180
markrad 0:cdf462088d13 181 #define F(x,y,z) (x ^ y ^ z)
markrad 0:cdf462088d13 182 #define K 0x6ED9EBA1
markrad 0:cdf462088d13 183
markrad 0:cdf462088d13 184 P( A, B, C, D, E, R(20) );
markrad 0:cdf462088d13 185 P( E, A, B, C, D, R(21) );
markrad 0:cdf462088d13 186 P( D, E, A, B, C, R(22) );
markrad 0:cdf462088d13 187 P( C, D, E, A, B, R(23) );
markrad 0:cdf462088d13 188 P( B, C, D, E, A, R(24) );
markrad 0:cdf462088d13 189 P( A, B, C, D, E, R(25) );
markrad 0:cdf462088d13 190 P( E, A, B, C, D, R(26) );
markrad 0:cdf462088d13 191 P( D, E, A, B, C, R(27) );
markrad 0:cdf462088d13 192 P( C, D, E, A, B, R(28) );
markrad 0:cdf462088d13 193 P( B, C, D, E, A, R(29) );
markrad 0:cdf462088d13 194 P( A, B, C, D, E, R(30) );
markrad 0:cdf462088d13 195 P( E, A, B, C, D, R(31) );
markrad 0:cdf462088d13 196 P( D, E, A, B, C, R(32) );
markrad 0:cdf462088d13 197 P( C, D, E, A, B, R(33) );
markrad 0:cdf462088d13 198 P( B, C, D, E, A, R(34) );
markrad 0:cdf462088d13 199 P( A, B, C, D, E, R(35) );
markrad 0:cdf462088d13 200 P( E, A, B, C, D, R(36) );
markrad 0:cdf462088d13 201 P( D, E, A, B, C, R(37) );
markrad 0:cdf462088d13 202 P( C, D, E, A, B, R(38) );
markrad 0:cdf462088d13 203 P( B, C, D, E, A, R(39) );
markrad 0:cdf462088d13 204
markrad 0:cdf462088d13 205 #undef K
markrad 0:cdf462088d13 206 #undef F
markrad 0:cdf462088d13 207
markrad 0:cdf462088d13 208 #define F(x,y,z) ((x & y) | (z & (x | y)))
markrad 0:cdf462088d13 209 #define K 0x8F1BBCDC
markrad 0:cdf462088d13 210
markrad 0:cdf462088d13 211 P( A, B, C, D, E, R(40) );
markrad 0:cdf462088d13 212 P( E, A, B, C, D, R(41) );
markrad 0:cdf462088d13 213 P( D, E, A, B, C, R(42) );
markrad 0:cdf462088d13 214 P( C, D, E, A, B, R(43) );
markrad 0:cdf462088d13 215 P( B, C, D, E, A, R(44) );
markrad 0:cdf462088d13 216 P( A, B, C, D, E, R(45) );
markrad 0:cdf462088d13 217 P( E, A, B, C, D, R(46) );
markrad 0:cdf462088d13 218 P( D, E, A, B, C, R(47) );
markrad 0:cdf462088d13 219 P( C, D, E, A, B, R(48) );
markrad 0:cdf462088d13 220 P( B, C, D, E, A, R(49) );
markrad 0:cdf462088d13 221 P( A, B, C, D, E, R(50) );
markrad 0:cdf462088d13 222 P( E, A, B, C, D, R(51) );
markrad 0:cdf462088d13 223 P( D, E, A, B, C, R(52) );
markrad 0:cdf462088d13 224 P( C, D, E, A, B, R(53) );
markrad 0:cdf462088d13 225 P( B, C, D, E, A, R(54) );
markrad 0:cdf462088d13 226 P( A, B, C, D, E, R(55) );
markrad 0:cdf462088d13 227 P( E, A, B, C, D, R(56) );
markrad 0:cdf462088d13 228 P( D, E, A, B, C, R(57) );
markrad 0:cdf462088d13 229 P( C, D, E, A, B, R(58) );
markrad 0:cdf462088d13 230 P( B, C, D, E, A, R(59) );
markrad 0:cdf462088d13 231
markrad 0:cdf462088d13 232 #undef K
markrad 0:cdf462088d13 233 #undef F
markrad 0:cdf462088d13 234
markrad 0:cdf462088d13 235 #define F(x,y,z) (x ^ y ^ z)
markrad 0:cdf462088d13 236 #define K 0xCA62C1D6
markrad 0:cdf462088d13 237
markrad 0:cdf462088d13 238 P( A, B, C, D, E, R(60) );
markrad 0:cdf462088d13 239 P( E, A, B, C, D, R(61) );
markrad 0:cdf462088d13 240 P( D, E, A, B, C, R(62) );
markrad 0:cdf462088d13 241 P( C, D, E, A, B, R(63) );
markrad 0:cdf462088d13 242 P( B, C, D, E, A, R(64) );
markrad 0:cdf462088d13 243 P( A, B, C, D, E, R(65) );
markrad 0:cdf462088d13 244 P( E, A, B, C, D, R(66) );
markrad 0:cdf462088d13 245 P( D, E, A, B, C, R(67) );
markrad 0:cdf462088d13 246 P( C, D, E, A, B, R(68) );
markrad 0:cdf462088d13 247 P( B, C, D, E, A, R(69) );
markrad 0:cdf462088d13 248 P( A, B, C, D, E, R(70) );
markrad 0:cdf462088d13 249 P( E, A, B, C, D, R(71) );
markrad 0:cdf462088d13 250 P( D, E, A, B, C, R(72) );
markrad 0:cdf462088d13 251 P( C, D, E, A, B, R(73) );
markrad 0:cdf462088d13 252 P( B, C, D, E, A, R(74) );
markrad 0:cdf462088d13 253 P( A, B, C, D, E, R(75) );
markrad 0:cdf462088d13 254 P( E, A, B, C, D, R(76) );
markrad 0:cdf462088d13 255 P( D, E, A, B, C, R(77) );
markrad 0:cdf462088d13 256 P( C, D, E, A, B, R(78) );
markrad 0:cdf462088d13 257 P( B, C, D, E, A, R(79) );
markrad 0:cdf462088d13 258
markrad 0:cdf462088d13 259 #undef K
markrad 0:cdf462088d13 260 #undef F
markrad 0:cdf462088d13 261
markrad 0:cdf462088d13 262 ctx->state[0] += A;
markrad 0:cdf462088d13 263 ctx->state[1] += B;
markrad 0:cdf462088d13 264 ctx->state[2] += C;
markrad 0:cdf462088d13 265 ctx->state[3] += D;
markrad 0:cdf462088d13 266 ctx->state[4] += E;
markrad 0:cdf462088d13 267 }
markrad 0:cdf462088d13 268 #endif /* !MBEDTLS_SHA1_PROCESS_ALT */
markrad 0:cdf462088d13 269
markrad 0:cdf462088d13 270 /*
markrad 0:cdf462088d13 271 * SHA-1 process buffer
markrad 0:cdf462088d13 272 */
markrad 0:cdf462088d13 273 void mbedtls_sha1_update( mbedtls_sha1_context *ctx, const unsigned char *input, size_t ilen )
markrad 0:cdf462088d13 274 {
markrad 0:cdf462088d13 275 size_t fill;
markrad 0:cdf462088d13 276 uint32_t left;
markrad 0:cdf462088d13 277
markrad 0:cdf462088d13 278 if( ilen == 0 )
markrad 0:cdf462088d13 279 return;
markrad 0:cdf462088d13 280
markrad 0:cdf462088d13 281 left = ctx->total[0] & 0x3F;
markrad 0:cdf462088d13 282 fill = 64 - left;
markrad 0:cdf462088d13 283
markrad 0:cdf462088d13 284 ctx->total[0] += (uint32_t) ilen;
markrad 0:cdf462088d13 285 ctx->total[0] &= 0xFFFFFFFF;
markrad 0:cdf462088d13 286
markrad 0:cdf462088d13 287 if( ctx->total[0] < (uint32_t) ilen )
markrad 0:cdf462088d13 288 ctx->total[1]++;
markrad 0:cdf462088d13 289
markrad 0:cdf462088d13 290 if( left && ilen >= fill )
markrad 0:cdf462088d13 291 {
markrad 0:cdf462088d13 292 memcpy( (void *) (ctx->buffer + left), input, fill );
markrad 0:cdf462088d13 293 mbedtls_sha1_process( ctx, ctx->buffer );
markrad 0:cdf462088d13 294 input += fill;
markrad 0:cdf462088d13 295 ilen -= fill;
markrad 0:cdf462088d13 296 left = 0;
markrad 0:cdf462088d13 297 }
markrad 0:cdf462088d13 298
markrad 0:cdf462088d13 299 while( ilen >= 64 )
markrad 0:cdf462088d13 300 {
markrad 0:cdf462088d13 301 mbedtls_sha1_process( ctx, input );
markrad 0:cdf462088d13 302 input += 64;
markrad 0:cdf462088d13 303 ilen -= 64;
markrad 0:cdf462088d13 304 }
markrad 0:cdf462088d13 305
markrad 0:cdf462088d13 306 if( ilen > 0 )
markrad 0:cdf462088d13 307 memcpy( (void *) (ctx->buffer + left), input, ilen );
markrad 0:cdf462088d13 308 }
markrad 0:cdf462088d13 309
markrad 0:cdf462088d13 310 static const unsigned char sha1_padding[64] =
markrad 0:cdf462088d13 311 {
markrad 0:cdf462088d13 312 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 313 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 315 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
markrad 0:cdf462088d13 316 };
markrad 0:cdf462088d13 317
markrad 0:cdf462088d13 318 /*
markrad 0:cdf462088d13 319 * SHA-1 final digest
markrad 0:cdf462088d13 320 */
markrad 0:cdf462088d13 321 void mbedtls_sha1_finish( mbedtls_sha1_context *ctx, unsigned char output[20] )
markrad 0:cdf462088d13 322 {
markrad 0:cdf462088d13 323 uint32_t last, padn;
markrad 0:cdf462088d13 324 uint32_t high, low;
markrad 0:cdf462088d13 325 unsigned char msglen[8];
markrad 0:cdf462088d13 326
markrad 0:cdf462088d13 327 high = ( ctx->total[0] >> 29 )
markrad 0:cdf462088d13 328 | ( ctx->total[1] << 3 );
markrad 0:cdf462088d13 329 low = ( ctx->total[0] << 3 );
markrad 0:cdf462088d13 330
markrad 0:cdf462088d13 331 PUT_UINT32_BE( high, msglen, 0 );
markrad 0:cdf462088d13 332 PUT_UINT32_BE( low, msglen, 4 );
markrad 0:cdf462088d13 333
markrad 0:cdf462088d13 334 last = ctx->total[0] & 0x3F;
markrad 0:cdf462088d13 335 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
markrad 0:cdf462088d13 336
markrad 0:cdf462088d13 337 mbedtls_sha1_update( ctx, sha1_padding, padn );
markrad 0:cdf462088d13 338 mbedtls_sha1_update( ctx, msglen, 8 );
markrad 0:cdf462088d13 339
markrad 0:cdf462088d13 340 PUT_UINT32_BE( ctx->state[0], output, 0 );
markrad 0:cdf462088d13 341 PUT_UINT32_BE( ctx->state[1], output, 4 );
markrad 0:cdf462088d13 342 PUT_UINT32_BE( ctx->state[2], output, 8 );
markrad 0:cdf462088d13 343 PUT_UINT32_BE( ctx->state[3], output, 12 );
markrad 0:cdf462088d13 344 PUT_UINT32_BE( ctx->state[4], output, 16 );
markrad 0:cdf462088d13 345 }
markrad 0:cdf462088d13 346
markrad 0:cdf462088d13 347 #endif /* !MBEDTLS_SHA1_ALT */
markrad 0:cdf462088d13 348
markrad 0:cdf462088d13 349 /*
markrad 0:cdf462088d13 350 * output = SHA-1( input buffer )
markrad 0:cdf462088d13 351 */
markrad 0:cdf462088d13 352 void mbedtls_sha1( const unsigned char *input, size_t ilen, unsigned char output[20] )
markrad 0:cdf462088d13 353 {
markrad 0:cdf462088d13 354 mbedtls_sha1_context ctx;
markrad 0:cdf462088d13 355
markrad 0:cdf462088d13 356 mbedtls_sha1_init( &ctx );
markrad 0:cdf462088d13 357 mbedtls_sha1_starts( &ctx );
markrad 0:cdf462088d13 358 mbedtls_sha1_update( &ctx, input, ilen );
markrad 0:cdf462088d13 359 mbedtls_sha1_finish( &ctx, output );
markrad 0:cdf462088d13 360 mbedtls_sha1_free( &ctx );
markrad 0:cdf462088d13 361 }
markrad 0:cdf462088d13 362
markrad 0:cdf462088d13 363 #if defined(MBEDTLS_SELF_TEST)
markrad 0:cdf462088d13 364 /*
markrad 0:cdf462088d13 365 * FIPS-180-1 test vectors
markrad 0:cdf462088d13 366 */
markrad 0:cdf462088d13 367 static const unsigned char sha1_test_buf[3][57] =
markrad 0:cdf462088d13 368 {
markrad 0:cdf462088d13 369 { "abc" },
markrad 0:cdf462088d13 370 { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
markrad 0:cdf462088d13 371 { "" }
markrad 0:cdf462088d13 372 };
markrad 0:cdf462088d13 373
markrad 0:cdf462088d13 374 static const int sha1_test_buflen[3] =
markrad 0:cdf462088d13 375 {
markrad 0:cdf462088d13 376 3, 56, 1000
markrad 0:cdf462088d13 377 };
markrad 0:cdf462088d13 378
markrad 0:cdf462088d13 379 static const unsigned char sha1_test_sum[3][20] =
markrad 0:cdf462088d13 380 {
markrad 0:cdf462088d13 381 { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E,
markrad 0:cdf462088d13 382 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D },
markrad 0:cdf462088d13 383 { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE,
markrad 0:cdf462088d13 384 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 },
markrad 0:cdf462088d13 385 { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E,
markrad 0:cdf462088d13 386 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F }
markrad 0:cdf462088d13 387 };
markrad 0:cdf462088d13 388
markrad 0:cdf462088d13 389 /*
markrad 0:cdf462088d13 390 * Checkup routine
markrad 0:cdf462088d13 391 */
markrad 0:cdf462088d13 392 int mbedtls_sha1_self_test( int verbose )
markrad 0:cdf462088d13 393 {
markrad 0:cdf462088d13 394 int i, j, buflen, ret = 0;
markrad 0:cdf462088d13 395 unsigned char buf[1024];
markrad 0:cdf462088d13 396 unsigned char sha1sum[20];
markrad 0:cdf462088d13 397 mbedtls_sha1_context ctx;
markrad 0:cdf462088d13 398
markrad 0:cdf462088d13 399 mbedtls_sha1_init( &ctx );
markrad 0:cdf462088d13 400
markrad 0:cdf462088d13 401 /*
markrad 0:cdf462088d13 402 * SHA-1
markrad 0:cdf462088d13 403 */
markrad 0:cdf462088d13 404 for( i = 0; i < 3; i++ )
markrad 0:cdf462088d13 405 {
markrad 0:cdf462088d13 406 if( verbose != 0 )
markrad 0:cdf462088d13 407 mbedtls_printf( " SHA-1 test #%d: ", i + 1 );
markrad 0:cdf462088d13 408
markrad 0:cdf462088d13 409 mbedtls_sha1_starts( &ctx );
markrad 0:cdf462088d13 410
markrad 0:cdf462088d13 411 if( i == 2 )
markrad 0:cdf462088d13 412 {
markrad 0:cdf462088d13 413 memset( buf, 'a', buflen = 1000 );
markrad 0:cdf462088d13 414
markrad 0:cdf462088d13 415 for( j = 0; j < 1000; j++ )
markrad 0:cdf462088d13 416 mbedtls_sha1_update( &ctx, buf, buflen );
markrad 0:cdf462088d13 417 }
markrad 0:cdf462088d13 418 else
markrad 0:cdf462088d13 419 mbedtls_sha1_update( &ctx, sha1_test_buf[i],
markrad 0:cdf462088d13 420 sha1_test_buflen[i] );
markrad 0:cdf462088d13 421
markrad 0:cdf462088d13 422 mbedtls_sha1_finish( &ctx, sha1sum );
markrad 0:cdf462088d13 423
markrad 0:cdf462088d13 424 if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 )
markrad 0:cdf462088d13 425 {
markrad 0:cdf462088d13 426 if( verbose != 0 )
markrad 0:cdf462088d13 427 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 428
markrad 0:cdf462088d13 429 ret = 1;
markrad 0:cdf462088d13 430 goto exit;
markrad 0:cdf462088d13 431 }
markrad 0:cdf462088d13 432
markrad 0:cdf462088d13 433 if( verbose != 0 )
markrad 0:cdf462088d13 434 mbedtls_printf( "passed\n" );
markrad 0:cdf462088d13 435 }
markrad 0:cdf462088d13 436
markrad 0:cdf462088d13 437 if( verbose != 0 )
markrad 0:cdf462088d13 438 mbedtls_printf( "\n" );
markrad 0:cdf462088d13 439
markrad 0:cdf462088d13 440 exit:
markrad 0:cdf462088d13 441 mbedtls_sha1_free( &ctx );
markrad 0:cdf462088d13 442
markrad 0:cdf462088d13 443 return( ret );
markrad 0:cdf462088d13 444 }
markrad 0:cdf462088d13 445
markrad 0:cdf462088d13 446 #endif /* MBEDTLS_SELF_TEST */
markrad 0:cdf462088d13 447
markrad 0:cdf462088d13 448 #endif /* MBEDTLS_SHA1_C */