erkin yucel / mbed-os

mbed os with nrf51 internal bandgap enabled to read battery level

Dependents:   BLE_file_test BLE_Blink ExternalEncoder

features/mbedtls/src/sha1.c@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:f269e3021894 1 /*
elessair 0:f269e3021894 2 * FIPS-180-1 compliant SHA-1 implementation
elessair 0:f269e3021894 3 *
elessair 0:f269e3021894 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
elessair 0:f269e3021894 5 * SPDX-License-Identifier: Apache-2.0
elessair 0:f269e3021894 6 *
elessair 0:f269e3021894 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
elessair 0:f269e3021894 8 * not use this file except in compliance with the License.
elessair 0:f269e3021894 9 * You may obtain a copy of the License at
elessair 0:f269e3021894 10 *
elessair 0:f269e3021894 11 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:f269e3021894 12 *
elessair 0:f269e3021894 13 * Unless required by applicable law or agreed to in writing, software
elessair 0:f269e3021894 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
elessair 0:f269e3021894 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:f269e3021894 16 * See the License for the specific language governing permissions and
elessair 0:f269e3021894 17 * limitations under the License.
elessair 0:f269e3021894 18 *
elessair 0:f269e3021894 19 * This file is part of mbed TLS (https://tls.mbed.org)
elessair 0:f269e3021894 20 */
elessair 0:f269e3021894 21 /*
elessair 0:f269e3021894 22 * The SHA-1 standard was published by NIST in 1993.
elessair 0:f269e3021894 23 *
elessair 0:f269e3021894 24 * http://www.itl.nist.gov/fipspubs/fip180-1.htm
elessair 0:f269e3021894 25 */
elessair 0:f269e3021894 26
elessair 0:f269e3021894 27 #if !defined(MBEDTLS_CONFIG_FILE)
elessair 0:f269e3021894 28 #include "mbedtls/config.h"
elessair 0:f269e3021894 29 #else
elessair 0:f269e3021894 30 #include MBEDTLS_CONFIG_FILE
elessair 0:f269e3021894 31 #endif
elessair 0:f269e3021894 32
elessair 0:f269e3021894 33 #if defined(MBEDTLS_SHA1_C)
elessair 0:f269e3021894 34
elessair 0:f269e3021894 35 #include "mbedtls/sha1.h"
elessair 0:f269e3021894 36
elessair 0:f269e3021894 37 #include <string.h>
elessair 0:f269e3021894 38
elessair 0:f269e3021894 39 #if defined(MBEDTLS_SELF_TEST)
elessair 0:f269e3021894 40 #if defined(MBEDTLS_PLATFORM_C)
elessair 0:f269e3021894 41 #include "mbedtls/platform.h"
elessair 0:f269e3021894 42 #else
elessair 0:f269e3021894 43 #include <stdio.h>
elessair 0:f269e3021894 44 #define mbedtls_printf printf
elessair 0:f269e3021894 45 #endif /* MBEDTLS_PLATFORM_C */
elessair 0:f269e3021894 46 #endif /* MBEDTLS_SELF_TEST */
elessair 0:f269e3021894 47
elessair 0:f269e3021894 48 #if !defined(MBEDTLS_SHA1_ALT)
elessair 0:f269e3021894 49
elessair 0:f269e3021894 50 /* Implementation that should never be optimized out by the compiler */
elessair 0:f269e3021894 51 static void mbedtls_zeroize( void *v, size_t n ) {
elessair 0:f269e3021894 52 volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
elessair 0:f269e3021894 53 }
elessair 0:f269e3021894 54
elessair 0:f269e3021894 55 /*
elessair 0:f269e3021894 56 * 32-bit integer manipulation macros (big endian)
elessair 0:f269e3021894 57 */
elessair 0:f269e3021894 58 #ifndef GET_UINT32_BE
elessair 0:f269e3021894 59 #define GET_UINT32_BE(n,b,i) \
elessair 0:f269e3021894 60 { \
elessair 0:f269e3021894 61 (n) = ( (uint32_t) (b)[(i) ] << 24 ) \
elessair 0:f269e3021894 62 | ( (uint32_t) (b)[(i) + 1] << 16 ) \
elessair 0:f269e3021894 63 | ( (uint32_t) (b)[(i) + 2] << 8 ) \
elessair 0:f269e3021894 64 | ( (uint32_t) (b)[(i) + 3] ); \
elessair 0:f269e3021894 65 }
elessair 0:f269e3021894 66 #endif
elessair 0:f269e3021894 67
elessair 0:f269e3021894 68 #ifndef PUT_UINT32_BE
elessair 0:f269e3021894 69 #define PUT_UINT32_BE(n,b,i) \
elessair 0:f269e3021894 70 { \
elessair 0:f269e3021894 71 (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
elessair 0:f269e3021894 72 (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
elessair 0:f269e3021894 73 (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
elessair 0:f269e3021894 74 (b)[(i) + 3] = (unsigned char) ( (n) ); \
elessair 0:f269e3021894 75 }
elessair 0:f269e3021894 76 #endif
elessair 0:f269e3021894 77
elessair 0:f269e3021894 78 void mbedtls_sha1_init( mbedtls_sha1_context *ctx )
elessair 0:f269e3021894 79 {
elessair 0:f269e3021894 80 memset( ctx, 0, sizeof( mbedtls_sha1_context ) );
elessair 0:f269e3021894 81 }
elessair 0:f269e3021894 82
elessair 0:f269e3021894 83 void mbedtls_sha1_free( mbedtls_sha1_context *ctx )
elessair 0:f269e3021894 84 {
elessair 0:f269e3021894 85 if( ctx == NULL )
elessair 0:f269e3021894 86 return;
elessair 0:f269e3021894 87
elessair 0:f269e3021894 88 mbedtls_zeroize( ctx, sizeof( mbedtls_sha1_context ) );
elessair 0:f269e3021894 89 }
elessair 0:f269e3021894 90
elessair 0:f269e3021894 91 void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
elessair 0:f269e3021894 92 const mbedtls_sha1_context *src )
elessair 0:f269e3021894 93 {
elessair 0:f269e3021894 94 *dst = *src;
elessair 0:f269e3021894 95 }
elessair 0:f269e3021894 96
elessair 0:f269e3021894 97 /*
elessair 0:f269e3021894 98 * SHA-1 context setup
elessair 0:f269e3021894 99 */
elessair 0:f269e3021894 100 void mbedtls_sha1_starts( mbedtls_sha1_context *ctx )
elessair 0:f269e3021894 101 {
elessair 0:f269e3021894 102 ctx->total[0] = 0;
elessair 0:f269e3021894 103 ctx->total[1] = 0;
elessair 0:f269e3021894 104
elessair 0:f269e3021894 105 ctx->state[0] = 0x67452301;
elessair 0:f269e3021894 106 ctx->state[1] = 0xEFCDAB89;
elessair 0:f269e3021894 107 ctx->state[2] = 0x98BADCFE;
elessair 0:f269e3021894 108 ctx->state[3] = 0x10325476;
elessair 0:f269e3021894 109 ctx->state[4] = 0xC3D2E1F0;
elessair 0:f269e3021894 110 }
elessair 0:f269e3021894 111
elessair 0:f269e3021894 112 #if !defined(MBEDTLS_SHA1_PROCESS_ALT)
elessair 0:f269e3021894 113 void mbedtls_sha1_process( mbedtls_sha1_context *ctx, const unsigned char data[64] )
elessair 0:f269e3021894 114 {
elessair 0:f269e3021894 115 uint32_t temp, W[16], A, B, C, D, E;
elessair 0:f269e3021894 116
elessair 0:f269e3021894 117 GET_UINT32_BE( W[ 0], data, 0 );
elessair 0:f269e3021894 118 GET_UINT32_BE( W[ 1], data, 4 );
elessair 0:f269e3021894 119 GET_UINT32_BE( W[ 2], data, 8 );
elessair 0:f269e3021894 120 GET_UINT32_BE( W[ 3], data, 12 );
elessair 0:f269e3021894 121 GET_UINT32_BE( W[ 4], data, 16 );
elessair 0:f269e3021894 122 GET_UINT32_BE( W[ 5], data, 20 );
elessair 0:f269e3021894 123 GET_UINT32_BE( W[ 6], data, 24 );
elessair 0:f269e3021894 124 GET_UINT32_BE( W[ 7], data, 28 );
elessair 0:f269e3021894 125 GET_UINT32_BE( W[ 8], data, 32 );
elessair 0:f269e3021894 126 GET_UINT32_BE( W[ 9], data, 36 );
elessair 0:f269e3021894 127 GET_UINT32_BE( W[10], data, 40 );
elessair 0:f269e3021894 128 GET_UINT32_BE( W[11], data, 44 );
elessair 0:f269e3021894 129 GET_UINT32_BE( W[12], data, 48 );
elessair 0:f269e3021894 130 GET_UINT32_BE( W[13], data, 52 );
elessair 0:f269e3021894 131 GET_UINT32_BE( W[14], data, 56 );
elessair 0:f269e3021894 132 GET_UINT32_BE( W[15], data, 60 );
elessair 0:f269e3021894 133
elessair 0:f269e3021894 134 #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
elessair 0:f269e3021894 135
elessair 0:f269e3021894 136 #define R(t) \
elessair 0:f269e3021894 137 ( \
elessair 0:f269e3021894 138 temp = W[( t - 3 ) & 0x0F] ^ W[( t - 8 ) & 0x0F] ^ \
elessair 0:f269e3021894 139 W[( t - 14 ) & 0x0F] ^ W[ t & 0x0F], \
elessair 0:f269e3021894 140 ( W[t & 0x0F] = S(temp,1) ) \
elessair 0:f269e3021894 141 )
elessair 0:f269e3021894 142
elessair 0:f269e3021894 143 #define P(a,b,c,d,e,x) \
elessair 0:f269e3021894 144 { \
elessair 0:f269e3021894 145 e += S(a,5) + F(b,c,d) + K + x; b = S(b,30); \
elessair 0:f269e3021894 146 }
elessair 0:f269e3021894 147
elessair 0:f269e3021894 148 A = ctx->state[0];
elessair 0:f269e3021894 149 B = ctx->state[1];
elessair 0:f269e3021894 150 C = ctx->state[2];
elessair 0:f269e3021894 151 D = ctx->state[3];
elessair 0:f269e3021894 152 E = ctx->state[4];
elessair 0:f269e3021894 153
elessair 0:f269e3021894 154 #define F(x,y,z) (z ^ (x & (y ^ z)))
elessair 0:f269e3021894 155 #define K 0x5A827999
elessair 0:f269e3021894 156
elessair 0:f269e3021894 157 P( A, B, C, D, E, W[0] );
elessair 0:f269e3021894 158 P( E, A, B, C, D, W[1] );
elessair 0:f269e3021894 159 P( D, E, A, B, C, W[2] );
elessair 0:f269e3021894 160 P( C, D, E, A, B, W[3] );
elessair 0:f269e3021894 161 P( B, C, D, E, A, W[4] );
elessair 0:f269e3021894 162 P( A, B, C, D, E, W[5] );
elessair 0:f269e3021894 163 P( E, A, B, C, D, W[6] );
elessair 0:f269e3021894 164 P( D, E, A, B, C, W[7] );
elessair 0:f269e3021894 165 P( C, D, E, A, B, W[8] );
elessair 0:f269e3021894 166 P( B, C, D, E, A, W[9] );
elessair 0:f269e3021894 167 P( A, B, C, D, E, W[10] );
elessair 0:f269e3021894 168 P( E, A, B, C, D, W[11] );
elessair 0:f269e3021894 169 P( D, E, A, B, C, W[12] );
elessair 0:f269e3021894 170 P( C, D, E, A, B, W[13] );
elessair 0:f269e3021894 171 P( B, C, D, E, A, W[14] );
elessair 0:f269e3021894 172 P( A, B, C, D, E, W[15] );
elessair 0:f269e3021894 173 P( E, A, B, C, D, R(16) );
elessair 0:f269e3021894 174 P( D, E, A, B, C, R(17) );
elessair 0:f269e3021894 175 P( C, D, E, A, B, R(18) );
elessair 0:f269e3021894 176 P( B, C, D, E, A, R(19) );
elessair 0:f269e3021894 177
elessair 0:f269e3021894 178 #undef K
elessair 0:f269e3021894 179 #undef F
elessair 0:f269e3021894 180
elessair 0:f269e3021894 181 #define F(x,y,z) (x ^ y ^ z)
elessair 0:f269e3021894 182 #define K 0x6ED9EBA1
elessair 0:f269e3021894 183
elessair 0:f269e3021894 184 P( A, B, C, D, E, R(20) );
elessair 0:f269e3021894 185 P( E, A, B, C, D, R(21) );
elessair 0:f269e3021894 186 P( D, E, A, B, C, R(22) );
elessair 0:f269e3021894 187 P( C, D, E, A, B, R(23) );
elessair 0:f269e3021894 188 P( B, C, D, E, A, R(24) );
elessair 0:f269e3021894 189 P( A, B, C, D, E, R(25) );
elessair 0:f269e3021894 190 P( E, A, B, C, D, R(26) );
elessair 0:f269e3021894 191 P( D, E, A, B, C, R(27) );
elessair 0:f269e3021894 192 P( C, D, E, A, B, R(28) );
elessair 0:f269e3021894 193 P( B, C, D, E, A, R(29) );
elessair 0:f269e3021894 194 P( A, B, C, D, E, R(30) );
elessair 0:f269e3021894 195 P( E, A, B, C, D, R(31) );
elessair 0:f269e3021894 196 P( D, E, A, B, C, R(32) );
elessair 0:f269e3021894 197 P( C, D, E, A, B, R(33) );
elessair 0:f269e3021894 198 P( B, C, D, E, A, R(34) );
elessair 0:f269e3021894 199 P( A, B, C, D, E, R(35) );
elessair 0:f269e3021894 200 P( E, A, B, C, D, R(36) );
elessair 0:f269e3021894 201 P( D, E, A, B, C, R(37) );
elessair 0:f269e3021894 202 P( C, D, E, A, B, R(38) );
elessair 0:f269e3021894 203 P( B, C, D, E, A, R(39) );
elessair 0:f269e3021894 204
elessair 0:f269e3021894 205 #undef K
elessair 0:f269e3021894 206 #undef F
elessair 0:f269e3021894 207
elessair 0:f269e3021894 208 #define F(x,y,z) ((x & y) | (z & (x | y)))
elessair 0:f269e3021894 209 #define K 0x8F1BBCDC
elessair 0:f269e3021894 210
elessair 0:f269e3021894 211 P( A, B, C, D, E, R(40) );
elessair 0:f269e3021894 212 P( E, A, B, C, D, R(41) );
elessair 0:f269e3021894 213 P( D, E, A, B, C, R(42) );
elessair 0:f269e3021894 214 P( C, D, E, A, B, R(43) );
elessair 0:f269e3021894 215 P( B, C, D, E, A, R(44) );
elessair 0:f269e3021894 216 P( A, B, C, D, E, R(45) );
elessair 0:f269e3021894 217 P( E, A, B, C, D, R(46) );
elessair 0:f269e3021894 218 P( D, E, A, B, C, R(47) );
elessair 0:f269e3021894 219 P( C, D, E, A, B, R(48) );
elessair 0:f269e3021894 220 P( B, C, D, E, A, R(49) );
elessair 0:f269e3021894 221 P( A, B, C, D, E, R(50) );
elessair 0:f269e3021894 222 P( E, A, B, C, D, R(51) );
elessair 0:f269e3021894 223 P( D, E, A, B, C, R(52) );
elessair 0:f269e3021894 224 P( C, D, E, A, B, R(53) );
elessair 0:f269e3021894 225 P( B, C, D, E, A, R(54) );
elessair 0:f269e3021894 226 P( A, B, C, D, E, R(55) );
elessair 0:f269e3021894 227 P( E, A, B, C, D, R(56) );
elessair 0:f269e3021894 228 P( D, E, A, B, C, R(57) );
elessair 0:f269e3021894 229 P( C, D, E, A, B, R(58) );
elessair 0:f269e3021894 230 P( B, C, D, E, A, R(59) );
elessair 0:f269e3021894 231
elessair 0:f269e3021894 232 #undef K
elessair 0:f269e3021894 233 #undef F
elessair 0:f269e3021894 234
elessair 0:f269e3021894 235 #define F(x,y,z) (x ^ y ^ z)
elessair 0:f269e3021894 236 #define K 0xCA62C1D6
elessair 0:f269e3021894 237
elessair 0:f269e3021894 238 P( A, B, C, D, E, R(60) );
elessair 0:f269e3021894 239 P( E, A, B, C, D, R(61) );
elessair 0:f269e3021894 240 P( D, E, A, B, C, R(62) );
elessair 0:f269e3021894 241 P( C, D, E, A, B, R(63) );
elessair 0:f269e3021894 242 P( B, C, D, E, A, R(64) );
elessair 0:f269e3021894 243 P( A, B, C, D, E, R(65) );
elessair 0:f269e3021894 244 P( E, A, B, C, D, R(66) );
elessair 0:f269e3021894 245 P( D, E, A, B, C, R(67) );
elessair 0:f269e3021894 246 P( C, D, E, A, B, R(68) );
elessair 0:f269e3021894 247 P( B, C, D, E, A, R(69) );
elessair 0:f269e3021894 248 P( A, B, C, D, E, R(70) );
elessair 0:f269e3021894 249 P( E, A, B, C, D, R(71) );
elessair 0:f269e3021894 250 P( D, E, A, B, C, R(72) );
elessair 0:f269e3021894 251 P( C, D, E, A, B, R(73) );
elessair 0:f269e3021894 252 P( B, C, D, E, A, R(74) );
elessair 0:f269e3021894 253 P( A, B, C, D, E, R(75) );
elessair 0:f269e3021894 254 P( E, A, B, C, D, R(76) );
elessair 0:f269e3021894 255 P( D, E, A, B, C, R(77) );
elessair 0:f269e3021894 256 P( C, D, E, A, B, R(78) );
elessair 0:f269e3021894 257 P( B, C, D, E, A, R(79) );
elessair 0:f269e3021894 258
elessair 0:f269e3021894 259 #undef K
elessair 0:f269e3021894 260 #undef F
elessair 0:f269e3021894 261
elessair 0:f269e3021894 262 ctx->state[0] += A;
elessair 0:f269e3021894 263 ctx->state[1] += B;
elessair 0:f269e3021894 264 ctx->state[2] += C;
elessair 0:f269e3021894 265 ctx->state[3] += D;
elessair 0:f269e3021894 266 ctx->state[4] += E;
elessair 0:f269e3021894 267 }
elessair 0:f269e3021894 268 #endif /* !MBEDTLS_SHA1_PROCESS_ALT */
elessair 0:f269e3021894 269
elessair 0:f269e3021894 270 /*
elessair 0:f269e3021894 271 * SHA-1 process buffer
elessair 0:f269e3021894 272 */
elessair 0:f269e3021894 273 void mbedtls_sha1_update( mbedtls_sha1_context *ctx, const unsigned char *input, size_t ilen )
elessair 0:f269e3021894 274 {
elessair 0:f269e3021894 275 size_t fill;
elessair 0:f269e3021894 276 uint32_t left;
elessair 0:f269e3021894 277
elessair 0:f269e3021894 278 if( ilen == 0 )
elessair 0:f269e3021894 279 return;
elessair 0:f269e3021894 280
elessair 0:f269e3021894 281 left = ctx->total[0] & 0x3F;
elessair 0:f269e3021894 282 fill = 64 - left;
elessair 0:f269e3021894 283
elessair 0:f269e3021894 284 ctx->total[0] += (uint32_t) ilen;
elessair 0:f269e3021894 285 ctx->total[0] &= 0xFFFFFFFF;
elessair 0:f269e3021894 286
elessair 0:f269e3021894 287 if( ctx->total[0] < (uint32_t) ilen )
elessair 0:f269e3021894 288 ctx->total[1]++;
elessair 0:f269e3021894 289
elessair 0:f269e3021894 290 if( left && ilen >= fill )
elessair 0:f269e3021894 291 {
elessair 0:f269e3021894 292 memcpy( (void *) (ctx->buffer + left), input, fill );
elessair 0:f269e3021894 293 mbedtls_sha1_process( ctx, ctx->buffer );
elessair 0:f269e3021894 294 input += fill;
elessair 0:f269e3021894 295 ilen -= fill;
elessair 0:f269e3021894 296 left = 0;
elessair 0:f269e3021894 297 }
elessair 0:f269e3021894 298
elessair 0:f269e3021894 299 while( ilen >= 64 )
elessair 0:f269e3021894 300 {
elessair 0:f269e3021894 301 mbedtls_sha1_process( ctx, input );
elessair 0:f269e3021894 302 input += 64;
elessair 0:f269e3021894 303 ilen -= 64;
elessair 0:f269e3021894 304 }
elessair 0:f269e3021894 305
elessair 0:f269e3021894 306 if( ilen > 0 )
elessair 0:f269e3021894 307 memcpy( (void *) (ctx->buffer + left), input, ilen );
elessair 0:f269e3021894 308 }
elessair 0:f269e3021894 309
elessair 0:f269e3021894 310 static const unsigned char sha1_padding[64] =
elessair 0:f269e3021894 311 {
elessair 0:f269e3021894 312 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 313 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 315 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
elessair 0:f269e3021894 316 };
elessair 0:f269e3021894 317
elessair 0:f269e3021894 318 /*
elessair 0:f269e3021894 319 * SHA-1 final digest
elessair 0:f269e3021894 320 */
elessair 0:f269e3021894 321 void mbedtls_sha1_finish( mbedtls_sha1_context *ctx, unsigned char output[20] )
elessair 0:f269e3021894 322 {
elessair 0:f269e3021894 323 uint32_t last, padn;
elessair 0:f269e3021894 324 uint32_t high, low;
elessair 0:f269e3021894 325 unsigned char msglen[8];
elessair 0:f269e3021894 326
elessair 0:f269e3021894 327 high = ( ctx->total[0] >> 29 )
elessair 0:f269e3021894 328 | ( ctx->total[1] << 3 );
elessair 0:f269e3021894 329 low = ( ctx->total[0] << 3 );
elessair 0:f269e3021894 330
elessair 0:f269e3021894 331 PUT_UINT32_BE( high, msglen, 0 );
elessair 0:f269e3021894 332 PUT_UINT32_BE( low, msglen, 4 );
elessair 0:f269e3021894 333
elessair 0:f269e3021894 334 last = ctx->total[0] & 0x3F;
elessair 0:f269e3021894 335 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
elessair 0:f269e3021894 336
elessair 0:f269e3021894 337 mbedtls_sha1_update( ctx, sha1_padding, padn );
elessair 0:f269e3021894 338 mbedtls_sha1_update( ctx, msglen, 8 );
elessair 0:f269e3021894 339
elessair 0:f269e3021894 340 PUT_UINT32_BE( ctx->state[0], output, 0 );
elessair 0:f269e3021894 341 PUT_UINT32_BE( ctx->state[1], output, 4 );
elessair 0:f269e3021894 342 PUT_UINT32_BE( ctx->state[2], output, 8 );
elessair 0:f269e3021894 343 PUT_UINT32_BE( ctx->state[3], output, 12 );
elessair 0:f269e3021894 344 PUT_UINT32_BE( ctx->state[4], output, 16 );
elessair 0:f269e3021894 345 }
elessair 0:f269e3021894 346
elessair 0:f269e3021894 347 #endif /* !MBEDTLS_SHA1_ALT */
elessair 0:f269e3021894 348
elessair 0:f269e3021894 349 /*
elessair 0:f269e3021894 350 * output = SHA-1( input buffer )
elessair 0:f269e3021894 351 */
elessair 0:f269e3021894 352 void mbedtls_sha1( const unsigned char *input, size_t ilen, unsigned char output[20] )
elessair 0:f269e3021894 353 {
elessair 0:f269e3021894 354 mbedtls_sha1_context ctx;
elessair 0:f269e3021894 355
elessair 0:f269e3021894 356 mbedtls_sha1_init( &ctx );
elessair 0:f269e3021894 357 mbedtls_sha1_starts( &ctx );
elessair 0:f269e3021894 358 mbedtls_sha1_update( &ctx, input, ilen );
elessair 0:f269e3021894 359 mbedtls_sha1_finish( &ctx, output );
elessair 0:f269e3021894 360 mbedtls_sha1_free( &ctx );
elessair 0:f269e3021894 361 }
elessair 0:f269e3021894 362
elessair 0:f269e3021894 363 #if defined(MBEDTLS_SELF_TEST)
elessair 0:f269e3021894 364 /*
elessair 0:f269e3021894 365 * FIPS-180-1 test vectors
elessair 0:f269e3021894 366 */
elessair 0:f269e3021894 367 static const unsigned char sha1_test_buf[3][57] =
elessair 0:f269e3021894 368 {
elessair 0:f269e3021894 369 { "abc" },
elessair 0:f269e3021894 370 { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
elessair 0:f269e3021894 371 { "" }
elessair 0:f269e3021894 372 };
elessair 0:f269e3021894 373
elessair 0:f269e3021894 374 static const int sha1_test_buflen[3] =
elessair 0:f269e3021894 375 {
elessair 0:f269e3021894 376 3, 56, 1000
elessair 0:f269e3021894 377 };
elessair 0:f269e3021894 378
elessair 0:f269e3021894 379 static const unsigned char sha1_test_sum[3][20] =
elessair 0:f269e3021894 380 {
elessair 0:f269e3021894 381 { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E,
elessair 0:f269e3021894 382 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D },
elessair 0:f269e3021894 383 { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE,
elessair 0:f269e3021894 384 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 },
elessair 0:f269e3021894 385 { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E,
elessair 0:f269e3021894 386 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F }
elessair 0:f269e3021894 387 };
elessair 0:f269e3021894 388
elessair 0:f269e3021894 389 /*
elessair 0:f269e3021894 390 * Checkup routine
elessair 0:f269e3021894 391 */
elessair 0:f269e3021894 392 int mbedtls_sha1_self_test( int verbose )
elessair 0:f269e3021894 393 {
elessair 0:f269e3021894 394 int i, j, buflen, ret = 0;
elessair 0:f269e3021894 395 unsigned char buf[1024];
elessair 0:f269e3021894 396 unsigned char sha1sum[20];
elessair 0:f269e3021894 397 mbedtls_sha1_context ctx;
elessair 0:f269e3021894 398
elessair 0:f269e3021894 399 mbedtls_sha1_init( &ctx );
elessair 0:f269e3021894 400
elessair 0:f269e3021894 401 /*
elessair 0:f269e3021894 402 * SHA-1
elessair 0:f269e3021894 403 */
elessair 0:f269e3021894 404 for( i = 0; i < 3; i++ )
elessair 0:f269e3021894 405 {
elessair 0:f269e3021894 406 if( verbose != 0 )
elessair 0:f269e3021894 407 mbedtls_printf( " SHA-1 test #%d: ", i + 1 );
elessair 0:f269e3021894 408
elessair 0:f269e3021894 409 mbedtls_sha1_starts( &ctx );
elessair 0:f269e3021894 410
elessair 0:f269e3021894 411 if( i == 2 )
elessair 0:f269e3021894 412 {
elessair 0:f269e3021894 413 memset( buf, 'a', buflen = 1000 );
elessair 0:f269e3021894 414
elessair 0:f269e3021894 415 for( j = 0; j < 1000; j++ )
elessair 0:f269e3021894 416 mbedtls_sha1_update( &ctx, buf, buflen );
elessair 0:f269e3021894 417 }
elessair 0:f269e3021894 418 else
elessair 0:f269e3021894 419 mbedtls_sha1_update( &ctx, sha1_test_buf[i],
elessair 0:f269e3021894 420 sha1_test_buflen[i] );
elessair 0:f269e3021894 421
elessair 0:f269e3021894 422 mbedtls_sha1_finish( &ctx, sha1sum );
elessair 0:f269e3021894 423
elessair 0:f269e3021894 424 if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 )
elessair 0:f269e3021894 425 {
elessair 0:f269e3021894 426 if( verbose != 0 )
elessair 0:f269e3021894 427 mbedtls_printf( "failed\n" );
elessair 0:f269e3021894 428
elessair 0:f269e3021894 429 ret = 1;
elessair 0:f269e3021894 430 goto exit;
elessair 0:f269e3021894 431 }
elessair 0:f269e3021894 432
elessair 0:f269e3021894 433 if( verbose != 0 )
elessair 0:f269e3021894 434 mbedtls_printf( "passed\n" );
elessair 0:f269e3021894 435 }
elessair 0:f269e3021894 436
elessair 0:f269e3021894 437 if( verbose != 0 )
elessair 0:f269e3021894 438 mbedtls_printf( "\n" );
elessair 0:f269e3021894 439
elessair 0:f269e3021894 440 exit:
elessair 0:f269e3021894 441 mbedtls_sha1_free( &ctx );
elessair 0:f269e3021894 442
elessair 0:f269e3021894 443 return( ret );
elessair 0:f269e3021894 444 }
elessair 0:f269e3021894 445
elessair 0:f269e3021894 446 #endif /* MBEDTLS_SELF_TEST */
elessair 0:f269e3021894 447
elessair 0:f269e3021894 448 #endif /* MBEDTLS_SHA1_C */