Mark Radbourne / mbedtls

mbed TLS Build

Dependents:   Encrypt_Decrypt1 mbed_blink_tls encrypt encrypt

library/md5.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 * RFC 1321 compliant MD5 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 MD5 algorithm was designed by Ron Rivest in 1991.
markrad 0:cdf462088d13 23 *
markrad 0:cdf462088d13 24 * http://www.ietf.org/rfc/rfc1321.txt
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_MD5_C)
markrad 0:cdf462088d13 34
markrad 0:cdf462088d13 35 #include "mbedtls/md5.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_MD5_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 = 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 (little endian)
markrad 0:cdf462088d13 57 */
markrad 0:cdf462088d13 58 #ifndef GET_UINT32_LE
markrad 0:cdf462088d13 59 #define GET_UINT32_LE(n,b,i) \
markrad 0:cdf462088d13 60 { \
markrad 0:cdf462088d13 61 (n) = ( (uint32_t) (b)[(i) ] ) \
markrad 0:cdf462088d13 62 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
markrad 0:cdf462088d13 63 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
markrad 0:cdf462088d13 64 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
markrad 0:cdf462088d13 65 }
markrad 0:cdf462088d13 66 #endif
markrad 0:cdf462088d13 67
markrad 0:cdf462088d13 68 #ifndef PUT_UINT32_LE
markrad 0:cdf462088d13 69 #define PUT_UINT32_LE(n,b,i) \
markrad 0:cdf462088d13 70 { \
markrad 0:cdf462088d13 71 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
markrad 0:cdf462088d13 72 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
markrad 0:cdf462088d13 73 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
markrad 0:cdf462088d13 74 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
markrad 0:cdf462088d13 75 }
markrad 0:cdf462088d13 76 #endif
markrad 0:cdf462088d13 77
markrad 0:cdf462088d13 78 void mbedtls_md5_init( mbedtls_md5_context *ctx )
markrad 0:cdf462088d13 79 {
markrad 0:cdf462088d13 80 memset( ctx, 0, sizeof( mbedtls_md5_context ) );
markrad 0:cdf462088d13 81 }
markrad 0:cdf462088d13 82
markrad 0:cdf462088d13 83 void mbedtls_md5_free( mbedtls_md5_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_md5_context ) );
markrad 0:cdf462088d13 89 }
markrad 0:cdf462088d13 90
markrad 0:cdf462088d13 91 void mbedtls_md5_clone( mbedtls_md5_context *dst,
markrad 0:cdf462088d13 92 const mbedtls_md5_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 * MD5 context setup
markrad 0:cdf462088d13 99 */
markrad 0:cdf462088d13 100 void mbedtls_md5_starts( mbedtls_md5_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 }
markrad 0:cdf462088d13 110
markrad 0:cdf462088d13 111 #if !defined(MBEDTLS_MD5_PROCESS_ALT)
markrad 0:cdf462088d13 112 void mbedtls_md5_process( mbedtls_md5_context *ctx, const unsigned char data[64] )
markrad 0:cdf462088d13 113 {
markrad 0:cdf462088d13 114 uint32_t X[16], A, B, C, D;
markrad 0:cdf462088d13 115
markrad 0:cdf462088d13 116 GET_UINT32_LE( X[ 0], data, 0 );
markrad 0:cdf462088d13 117 GET_UINT32_LE( X[ 1], data, 4 );
markrad 0:cdf462088d13 118 GET_UINT32_LE( X[ 2], data, 8 );
markrad 0:cdf462088d13 119 GET_UINT32_LE( X[ 3], data, 12 );
markrad 0:cdf462088d13 120 GET_UINT32_LE( X[ 4], data, 16 );
markrad 0:cdf462088d13 121 GET_UINT32_LE( X[ 5], data, 20 );
markrad 0:cdf462088d13 122 GET_UINT32_LE( X[ 6], data, 24 );
markrad 0:cdf462088d13 123 GET_UINT32_LE( X[ 7], data, 28 );
markrad 0:cdf462088d13 124 GET_UINT32_LE( X[ 8], data, 32 );
markrad 0:cdf462088d13 125 GET_UINT32_LE( X[ 9], data, 36 );
markrad 0:cdf462088d13 126 GET_UINT32_LE( X[10], data, 40 );
markrad 0:cdf462088d13 127 GET_UINT32_LE( X[11], data, 44 );
markrad 0:cdf462088d13 128 GET_UINT32_LE( X[12], data, 48 );
markrad 0:cdf462088d13 129 GET_UINT32_LE( X[13], data, 52 );
markrad 0:cdf462088d13 130 GET_UINT32_LE( X[14], data, 56 );
markrad 0:cdf462088d13 131 GET_UINT32_LE( X[15], data, 60 );
markrad 0:cdf462088d13 132
markrad 0:cdf462088d13 133 #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
markrad 0:cdf462088d13 134
markrad 0:cdf462088d13 135 #define P(a,b,c,d,k,s,t) \
markrad 0:cdf462088d13 136 { \
markrad 0:cdf462088d13 137 a += F(b,c,d) + X[k] + t; a = S(a,s) + b; \
markrad 0:cdf462088d13 138 }
markrad 0:cdf462088d13 139
markrad 0:cdf462088d13 140 A = ctx->state[0];
markrad 0:cdf462088d13 141 B = ctx->state[1];
markrad 0:cdf462088d13 142 C = ctx->state[2];
markrad 0:cdf462088d13 143 D = ctx->state[3];
markrad 0:cdf462088d13 144
markrad 0:cdf462088d13 145 #define F(x,y,z) (z ^ (x & (y ^ z)))
markrad 0:cdf462088d13 146
markrad 0:cdf462088d13 147 P( A, B, C, D, 0, 7, 0xD76AA478 );
markrad 0:cdf462088d13 148 P( D, A, B, C, 1, 12, 0xE8C7B756 );
markrad 0:cdf462088d13 149 P( C, D, A, B, 2, 17, 0x242070DB );
markrad 0:cdf462088d13 150 P( B, C, D, A, 3, 22, 0xC1BDCEEE );
markrad 0:cdf462088d13 151 P( A, B, C, D, 4, 7, 0xF57C0FAF );
markrad 0:cdf462088d13 152 P( D, A, B, C, 5, 12, 0x4787C62A );
markrad 0:cdf462088d13 153 P( C, D, A, B, 6, 17, 0xA8304613 );
markrad 0:cdf462088d13 154 P( B, C, D, A, 7, 22, 0xFD469501 );
markrad 0:cdf462088d13 155 P( A, B, C, D, 8, 7, 0x698098D8 );
markrad 0:cdf462088d13 156 P( D, A, B, C, 9, 12, 0x8B44F7AF );
markrad 0:cdf462088d13 157 P( C, D, A, B, 10, 17, 0xFFFF5BB1 );
markrad 0:cdf462088d13 158 P( B, C, D, A, 11, 22, 0x895CD7BE );
markrad 0:cdf462088d13 159 P( A, B, C, D, 12, 7, 0x6B901122 );
markrad 0:cdf462088d13 160 P( D, A, B, C, 13, 12, 0xFD987193 );
markrad 0:cdf462088d13 161 P( C, D, A, B, 14, 17, 0xA679438E );
markrad 0:cdf462088d13 162 P( B, C, D, A, 15, 22, 0x49B40821 );
markrad 0:cdf462088d13 163
markrad 0:cdf462088d13 164 #undef F
markrad 0:cdf462088d13 165
markrad 0:cdf462088d13 166 #define F(x,y,z) (y ^ (z & (x ^ y)))
markrad 0:cdf462088d13 167
markrad 0:cdf462088d13 168 P( A, B, C, D, 1, 5, 0xF61E2562 );
markrad 0:cdf462088d13 169 P( D, A, B, C, 6, 9, 0xC040B340 );
markrad 0:cdf462088d13 170 P( C, D, A, B, 11, 14, 0x265E5A51 );
markrad 0:cdf462088d13 171 P( B, C, D, A, 0, 20, 0xE9B6C7AA );
markrad 0:cdf462088d13 172 P( A, B, C, D, 5, 5, 0xD62F105D );
markrad 0:cdf462088d13 173 P( D, A, B, C, 10, 9, 0x02441453 );
markrad 0:cdf462088d13 174 P( C, D, A, B, 15, 14, 0xD8A1E681 );
markrad 0:cdf462088d13 175 P( B, C, D, A, 4, 20, 0xE7D3FBC8 );
markrad 0:cdf462088d13 176 P( A, B, C, D, 9, 5, 0x21E1CDE6 );
markrad 0:cdf462088d13 177 P( D, A, B, C, 14, 9, 0xC33707D6 );
markrad 0:cdf462088d13 178 P( C, D, A, B, 3, 14, 0xF4D50D87 );
markrad 0:cdf462088d13 179 P( B, C, D, A, 8, 20, 0x455A14ED );
markrad 0:cdf462088d13 180 P( A, B, C, D, 13, 5, 0xA9E3E905 );
markrad 0:cdf462088d13 181 P( D, A, B, C, 2, 9, 0xFCEFA3F8 );
markrad 0:cdf462088d13 182 P( C, D, A, B, 7, 14, 0x676F02D9 );
markrad 0:cdf462088d13 183 P( B, C, D, A, 12, 20, 0x8D2A4C8A );
markrad 0:cdf462088d13 184
markrad 0:cdf462088d13 185 #undef F
markrad 0:cdf462088d13 186
markrad 0:cdf462088d13 187 #define F(x,y,z) (x ^ y ^ z)
markrad 0:cdf462088d13 188
markrad 0:cdf462088d13 189 P( A, B, C, D, 5, 4, 0xFFFA3942 );
markrad 0:cdf462088d13 190 P( D, A, B, C, 8, 11, 0x8771F681 );
markrad 0:cdf462088d13 191 P( C, D, A, B, 11, 16, 0x6D9D6122 );
markrad 0:cdf462088d13 192 P( B, C, D, A, 14, 23, 0xFDE5380C );
markrad 0:cdf462088d13 193 P( A, B, C, D, 1, 4, 0xA4BEEA44 );
markrad 0:cdf462088d13 194 P( D, A, B, C, 4, 11, 0x4BDECFA9 );
markrad 0:cdf462088d13 195 P( C, D, A, B, 7, 16, 0xF6BB4B60 );
markrad 0:cdf462088d13 196 P( B, C, D, A, 10, 23, 0xBEBFBC70 );
markrad 0:cdf462088d13 197 P( A, B, C, D, 13, 4, 0x289B7EC6 );
markrad 0:cdf462088d13 198 P( D, A, B, C, 0, 11, 0xEAA127FA );
markrad 0:cdf462088d13 199 P( C, D, A, B, 3, 16, 0xD4EF3085 );
markrad 0:cdf462088d13 200 P( B, C, D, A, 6, 23, 0x04881D05 );
markrad 0:cdf462088d13 201 P( A, B, C, D, 9, 4, 0xD9D4D039 );
markrad 0:cdf462088d13 202 P( D, A, B, C, 12, 11, 0xE6DB99E5 );
markrad 0:cdf462088d13 203 P( C, D, A, B, 15, 16, 0x1FA27CF8 );
markrad 0:cdf462088d13 204 P( B, C, D, A, 2, 23, 0xC4AC5665 );
markrad 0:cdf462088d13 205
markrad 0:cdf462088d13 206 #undef F
markrad 0:cdf462088d13 207
markrad 0:cdf462088d13 208 #define F(x,y,z) (y ^ (x | ~z))
markrad 0:cdf462088d13 209
markrad 0:cdf462088d13 210 P( A, B, C, D, 0, 6, 0xF4292244 );
markrad 0:cdf462088d13 211 P( D, A, B, C, 7, 10, 0x432AFF97 );
markrad 0:cdf462088d13 212 P( C, D, A, B, 14, 15, 0xAB9423A7 );
markrad 0:cdf462088d13 213 P( B, C, D, A, 5, 21, 0xFC93A039 );
markrad 0:cdf462088d13 214 P( A, B, C, D, 12, 6, 0x655B59C3 );
markrad 0:cdf462088d13 215 P( D, A, B, C, 3, 10, 0x8F0CCC92 );
markrad 0:cdf462088d13 216 P( C, D, A, B, 10, 15, 0xFFEFF47D );
markrad 0:cdf462088d13 217 P( B, C, D, A, 1, 21, 0x85845DD1 );
markrad 0:cdf462088d13 218 P( A, B, C, D, 8, 6, 0x6FA87E4F );
markrad 0:cdf462088d13 219 P( D, A, B, C, 15, 10, 0xFE2CE6E0 );
markrad 0:cdf462088d13 220 P( C, D, A, B, 6, 15, 0xA3014314 );
markrad 0:cdf462088d13 221 P( B, C, D, A, 13, 21, 0x4E0811A1 );
markrad 0:cdf462088d13 222 P( A, B, C, D, 4, 6, 0xF7537E82 );
markrad 0:cdf462088d13 223 P( D, A, B, C, 11, 10, 0xBD3AF235 );
markrad 0:cdf462088d13 224 P( C, D, A, B, 2, 15, 0x2AD7D2BB );
markrad 0:cdf462088d13 225 P( B, C, D, A, 9, 21, 0xEB86D391 );
markrad 0:cdf462088d13 226
markrad 0:cdf462088d13 227 #undef F
markrad 0:cdf462088d13 228
markrad 0:cdf462088d13 229 ctx->state[0] += A;
markrad 0:cdf462088d13 230 ctx->state[1] += B;
markrad 0:cdf462088d13 231 ctx->state[2] += C;
markrad 0:cdf462088d13 232 ctx->state[3] += D;
markrad 0:cdf462088d13 233 }
markrad 0:cdf462088d13 234 #endif /* !MBEDTLS_MD5_PROCESS_ALT */
markrad 0:cdf462088d13 235
markrad 0:cdf462088d13 236 /*
markrad 0:cdf462088d13 237 * MD5 process buffer
markrad 0:cdf462088d13 238 */
markrad 0:cdf462088d13 239 void mbedtls_md5_update( mbedtls_md5_context *ctx, const unsigned char *input, size_t ilen )
markrad 0:cdf462088d13 240 {
markrad 0:cdf462088d13 241 size_t fill;
markrad 0:cdf462088d13 242 uint32_t left;
markrad 0:cdf462088d13 243
markrad 0:cdf462088d13 244 if( ilen == 0 )
markrad 0:cdf462088d13 245 return;
markrad 0:cdf462088d13 246
markrad 0:cdf462088d13 247 left = ctx->total[0] & 0x3F;
markrad 0:cdf462088d13 248 fill = 64 - left;
markrad 0:cdf462088d13 249
markrad 0:cdf462088d13 250 ctx->total[0] += (uint32_t) ilen;
markrad 0:cdf462088d13 251 ctx->total[0] &= 0xFFFFFFFF;
markrad 0:cdf462088d13 252
markrad 0:cdf462088d13 253 if( ctx->total[0] < (uint32_t) ilen )
markrad 0:cdf462088d13 254 ctx->total[1]++;
markrad 0:cdf462088d13 255
markrad 0:cdf462088d13 256 if( left && ilen >= fill )
markrad 0:cdf462088d13 257 {
markrad 0:cdf462088d13 258 memcpy( (void *) (ctx->buffer + left), input, fill );
markrad 0:cdf462088d13 259 mbedtls_md5_process( ctx, ctx->buffer );
markrad 0:cdf462088d13 260 input += fill;
markrad 0:cdf462088d13 261 ilen -= fill;
markrad 0:cdf462088d13 262 left = 0;
markrad 0:cdf462088d13 263 }
markrad 0:cdf462088d13 264
markrad 0:cdf462088d13 265 while( ilen >= 64 )
markrad 0:cdf462088d13 266 {
markrad 0:cdf462088d13 267 mbedtls_md5_process( ctx, input );
markrad 0:cdf462088d13 268 input += 64;
markrad 0:cdf462088d13 269 ilen -= 64;
markrad 0:cdf462088d13 270 }
markrad 0:cdf462088d13 271
markrad 0:cdf462088d13 272 if( ilen > 0 )
markrad 0:cdf462088d13 273 {
markrad 0:cdf462088d13 274 memcpy( (void *) (ctx->buffer + left), input, ilen );
markrad 0:cdf462088d13 275 }
markrad 0:cdf462088d13 276 }
markrad 0:cdf462088d13 277
markrad 0:cdf462088d13 278 static const unsigned char md5_padding[64] =
markrad 0:cdf462088d13 279 {
markrad 0:cdf462088d13 280 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 281 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 282 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 283 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
markrad 0:cdf462088d13 284 };
markrad 0:cdf462088d13 285
markrad 0:cdf462088d13 286 /*
markrad 0:cdf462088d13 287 * MD5 final digest
markrad 0:cdf462088d13 288 */
markrad 0:cdf462088d13 289 void mbedtls_md5_finish( mbedtls_md5_context *ctx, unsigned char output[16] )
markrad 0:cdf462088d13 290 {
markrad 0:cdf462088d13 291 uint32_t last, padn;
markrad 0:cdf462088d13 292 uint32_t high, low;
markrad 0:cdf462088d13 293 unsigned char msglen[8];
markrad 0:cdf462088d13 294
markrad 0:cdf462088d13 295 high = ( ctx->total[0] >> 29 )
markrad 0:cdf462088d13 296 | ( ctx->total[1] << 3 );
markrad 0:cdf462088d13 297 low = ( ctx->total[0] << 3 );
markrad 0:cdf462088d13 298
markrad 0:cdf462088d13 299 PUT_UINT32_LE( low, msglen, 0 );
markrad 0:cdf462088d13 300 PUT_UINT32_LE( high, msglen, 4 );
markrad 0:cdf462088d13 301
markrad 0:cdf462088d13 302 last = ctx->total[0] & 0x3F;
markrad 0:cdf462088d13 303 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
markrad 0:cdf462088d13 304
markrad 0:cdf462088d13 305 mbedtls_md5_update( ctx, md5_padding, padn );
markrad 0:cdf462088d13 306 mbedtls_md5_update( ctx, msglen, 8 );
markrad 0:cdf462088d13 307
markrad 0:cdf462088d13 308 PUT_UINT32_LE( ctx->state[0], output, 0 );
markrad 0:cdf462088d13 309 PUT_UINT32_LE( ctx->state[1], output, 4 );
markrad 0:cdf462088d13 310 PUT_UINT32_LE( ctx->state[2], output, 8 );
markrad 0:cdf462088d13 311 PUT_UINT32_LE( ctx->state[3], output, 12 );
markrad 0:cdf462088d13 312 }
markrad 0:cdf462088d13 313
markrad 0:cdf462088d13 314 #endif /* !MBEDTLS_MD5_ALT */
markrad 0:cdf462088d13 315
markrad 0:cdf462088d13 316 /*
markrad 0:cdf462088d13 317 * output = MD5( input buffer )
markrad 0:cdf462088d13 318 */
markrad 0:cdf462088d13 319 void mbedtls_md5( const unsigned char *input, size_t ilen, unsigned char output[16] )
markrad 0:cdf462088d13 320 {
markrad 0:cdf462088d13 321 mbedtls_md5_context ctx;
markrad 0:cdf462088d13 322
markrad 0:cdf462088d13 323 mbedtls_md5_init( &ctx );
markrad 0:cdf462088d13 324 mbedtls_md5_starts( &ctx );
markrad 0:cdf462088d13 325 mbedtls_md5_update( &ctx, input, ilen );
markrad 0:cdf462088d13 326 mbedtls_md5_finish( &ctx, output );
markrad 0:cdf462088d13 327 mbedtls_md5_free( &ctx );
markrad 0:cdf462088d13 328 }
markrad 0:cdf462088d13 329
markrad 0:cdf462088d13 330 #if defined(MBEDTLS_SELF_TEST)
markrad 0:cdf462088d13 331 /*
markrad 0:cdf462088d13 332 * RFC 1321 test vectors
markrad 0:cdf462088d13 333 */
markrad 0:cdf462088d13 334 static const unsigned char md5_test_buf[7][81] =
markrad 0:cdf462088d13 335 {
markrad 0:cdf462088d13 336 { "" },
markrad 0:cdf462088d13 337 { "a" },
markrad 0:cdf462088d13 338 { "abc" },
markrad 0:cdf462088d13 339 { "message digest" },
markrad 0:cdf462088d13 340 { "abcdefghijklmnopqrstuvwxyz" },
markrad 0:cdf462088d13 341 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
markrad 0:cdf462088d13 342 { "12345678901234567890123456789012345678901234567890123456789012" \
markrad 0:cdf462088d13 343 "345678901234567890" }
markrad 0:cdf462088d13 344 };
markrad 0:cdf462088d13 345
markrad 0:cdf462088d13 346 static const int md5_test_buflen[7] =
markrad 0:cdf462088d13 347 {
markrad 0:cdf462088d13 348 0, 1, 3, 14, 26, 62, 80
markrad 0:cdf462088d13 349 };
markrad 0:cdf462088d13 350
markrad 0:cdf462088d13 351 static const unsigned char md5_test_sum[7][16] =
markrad 0:cdf462088d13 352 {
markrad 0:cdf462088d13 353 { 0xD4, 0x1D, 0x8C, 0xD9, 0x8F, 0x00, 0xB2, 0x04,
markrad 0:cdf462088d13 354 0xE9, 0x80, 0x09, 0x98, 0xEC, 0xF8, 0x42, 0x7E },
markrad 0:cdf462088d13 355 { 0x0C, 0xC1, 0x75, 0xB9, 0xC0, 0xF1, 0xB6, 0xA8,
markrad 0:cdf462088d13 356 0x31, 0xC3, 0x99, 0xE2, 0x69, 0x77, 0x26, 0x61 },
markrad 0:cdf462088d13 357 { 0x90, 0x01, 0x50, 0x98, 0x3C, 0xD2, 0x4F, 0xB0,
markrad 0:cdf462088d13 358 0xD6, 0x96, 0x3F, 0x7D, 0x28, 0xE1, 0x7F, 0x72 },
markrad 0:cdf462088d13 359 { 0xF9, 0x6B, 0x69, 0x7D, 0x7C, 0xB7, 0x93, 0x8D,
markrad 0:cdf462088d13 360 0x52, 0x5A, 0x2F, 0x31, 0xAA, 0xF1, 0x61, 0xD0 },
markrad 0:cdf462088d13 361 { 0xC3, 0xFC, 0xD3, 0xD7, 0x61, 0x92, 0xE4, 0x00,
markrad 0:cdf462088d13 362 0x7D, 0xFB, 0x49, 0x6C, 0xCA, 0x67, 0xE1, 0x3B },
markrad 0:cdf462088d13 363 { 0xD1, 0x74, 0xAB, 0x98, 0xD2, 0x77, 0xD9, 0xF5,
markrad 0:cdf462088d13 364 0xA5, 0x61, 0x1C, 0x2C, 0x9F, 0x41, 0x9D, 0x9F },
markrad 0:cdf462088d13 365 { 0x57, 0xED, 0xF4, 0xA2, 0x2B, 0xE3, 0xC9, 0x55,
markrad 0:cdf462088d13 366 0xAC, 0x49, 0xDA, 0x2E, 0x21, 0x07, 0xB6, 0x7A }
markrad 0:cdf462088d13 367 };
markrad 0:cdf462088d13 368
markrad 0:cdf462088d13 369 /*
markrad 0:cdf462088d13 370 * Checkup routine
markrad 0:cdf462088d13 371 */
markrad 0:cdf462088d13 372 int mbedtls_md5_self_test( int verbose )
markrad 0:cdf462088d13 373 {
markrad 0:cdf462088d13 374 int i;
markrad 0:cdf462088d13 375 unsigned char md5sum[16];
markrad 0:cdf462088d13 376
markrad 0:cdf462088d13 377 for( i = 0; i < 7; i++ )
markrad 0:cdf462088d13 378 {
markrad 0:cdf462088d13 379 if( verbose != 0 )
markrad 0:cdf462088d13 380 mbedtls_printf( " MD5 test #%d: ", i + 1 );
markrad 0:cdf462088d13 381
markrad 0:cdf462088d13 382 mbedtls_md5( md5_test_buf[i], md5_test_buflen[i], md5sum );
markrad 0:cdf462088d13 383
markrad 0:cdf462088d13 384 if( memcmp( md5sum, md5_test_sum[i], 16 ) != 0 )
markrad 0:cdf462088d13 385 {
markrad 0:cdf462088d13 386 if( verbose != 0 )
markrad 0:cdf462088d13 387 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 388
markrad 0:cdf462088d13 389 return( 1 );
markrad 0:cdf462088d13 390 }
markrad 0:cdf462088d13 391
markrad 0:cdf462088d13 392 if( verbose != 0 )
markrad 0:cdf462088d13 393 mbedtls_printf( "passed\n" );
markrad 0:cdf462088d13 394 }
markrad 0:cdf462088d13 395
markrad 0:cdf462088d13 396 if( verbose != 0 )
markrad 0:cdf462088d13 397 mbedtls_printf( "\n" );
markrad 0:cdf462088d13 398
markrad 0:cdf462088d13 399 return( 0 );
markrad 0:cdf462088d13 400 }
markrad 0:cdf462088d13 401
markrad 0:cdf462088d13 402 #endif /* MBEDTLS_SELF_TEST */
markrad 0:cdf462088d13 403
markrad 0:cdf462088d13 404 #endif /* MBEDTLS_MD5_C */