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/md5.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 * RFC 1321 compliant MD5 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 MD5 algorithm was designed by Ron Rivest in 1991.
elessair 0:f269e3021894 23 *
elessair 0:f269e3021894 24 * http://www.ietf.org/rfc/rfc1321.txt
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_MD5_C)
elessair 0:f269e3021894 34
elessair 0:f269e3021894 35 #include "mbedtls/md5.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_MD5_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 = 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 (little endian)
elessair 0:f269e3021894 57 */
elessair 0:f269e3021894 58 #ifndef GET_UINT32_LE
elessair 0:f269e3021894 59 #define GET_UINT32_LE(n,b,i) \
elessair 0:f269e3021894 60 { \
elessair 0:f269e3021894 61 (n) = ( (uint32_t) (b)[(i) ] ) \
elessair 0:f269e3021894 62 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
elessair 0:f269e3021894 63 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
elessair 0:f269e3021894 64 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
elessair 0:f269e3021894 65 }
elessair 0:f269e3021894 66 #endif
elessair 0:f269e3021894 67
elessair 0:f269e3021894 68 #ifndef PUT_UINT32_LE
elessair 0:f269e3021894 69 #define PUT_UINT32_LE(n,b,i) \
elessair 0:f269e3021894 70 { \
elessair 0:f269e3021894 71 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
elessair 0:f269e3021894 72 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
elessair 0:f269e3021894 73 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
elessair 0:f269e3021894 74 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
elessair 0:f269e3021894 75 }
elessair 0:f269e3021894 76 #endif
elessair 0:f269e3021894 77
elessair 0:f269e3021894 78 void mbedtls_md5_init( mbedtls_md5_context *ctx )
elessair 0:f269e3021894 79 {
elessair 0:f269e3021894 80 memset( ctx, 0, sizeof( mbedtls_md5_context ) );
elessair 0:f269e3021894 81 }
elessair 0:f269e3021894 82
elessair 0:f269e3021894 83 void mbedtls_md5_free( mbedtls_md5_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_md5_context ) );
elessair 0:f269e3021894 89 }
elessair 0:f269e3021894 90
elessair 0:f269e3021894 91 void mbedtls_md5_clone( mbedtls_md5_context *dst,
elessair 0:f269e3021894 92 const mbedtls_md5_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 * MD5 context setup
elessair 0:f269e3021894 99 */
elessair 0:f269e3021894 100 void mbedtls_md5_starts( mbedtls_md5_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 }
elessair 0:f269e3021894 110
elessair 0:f269e3021894 111 #if !defined(MBEDTLS_MD5_PROCESS_ALT)
elessair 0:f269e3021894 112 void mbedtls_md5_process( mbedtls_md5_context *ctx, const unsigned char data[64] )
elessair 0:f269e3021894 113 {
elessair 0:f269e3021894 114 uint32_t X[16], A, B, C, D;
elessair 0:f269e3021894 115
elessair 0:f269e3021894 116 GET_UINT32_LE( X[ 0], data, 0 );
elessair 0:f269e3021894 117 GET_UINT32_LE( X[ 1], data, 4 );
elessair 0:f269e3021894 118 GET_UINT32_LE( X[ 2], data, 8 );
elessair 0:f269e3021894 119 GET_UINT32_LE( X[ 3], data, 12 );
elessair 0:f269e3021894 120 GET_UINT32_LE( X[ 4], data, 16 );
elessair 0:f269e3021894 121 GET_UINT32_LE( X[ 5], data, 20 );
elessair 0:f269e3021894 122 GET_UINT32_LE( X[ 6], data, 24 );
elessair 0:f269e3021894 123 GET_UINT32_LE( X[ 7], data, 28 );
elessair 0:f269e3021894 124 GET_UINT32_LE( X[ 8], data, 32 );
elessair 0:f269e3021894 125 GET_UINT32_LE( X[ 9], data, 36 );
elessair 0:f269e3021894 126 GET_UINT32_LE( X[10], data, 40 );
elessair 0:f269e3021894 127 GET_UINT32_LE( X[11], data, 44 );
elessair 0:f269e3021894 128 GET_UINT32_LE( X[12], data, 48 );
elessair 0:f269e3021894 129 GET_UINT32_LE( X[13], data, 52 );
elessair 0:f269e3021894 130 GET_UINT32_LE( X[14], data, 56 );
elessair 0:f269e3021894 131 GET_UINT32_LE( X[15], data, 60 );
elessair 0:f269e3021894 132
elessair 0:f269e3021894 133 #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
elessair 0:f269e3021894 134
elessair 0:f269e3021894 135 #define P(a,b,c,d,k,s,t) \
elessair 0:f269e3021894 136 { \
elessair 0:f269e3021894 137 a += F(b,c,d) + X[k] + t; a = S(a,s) + b; \
elessair 0:f269e3021894 138 }
elessair 0:f269e3021894 139
elessair 0:f269e3021894 140 A = ctx->state[0];
elessair 0:f269e3021894 141 B = ctx->state[1];
elessair 0:f269e3021894 142 C = ctx->state[2];
elessair 0:f269e3021894 143 D = ctx->state[3];
elessair 0:f269e3021894 144
elessair 0:f269e3021894 145 #define F(x,y,z) (z ^ (x & (y ^ z)))
elessair 0:f269e3021894 146
elessair 0:f269e3021894 147 P( A, B, C, D, 0, 7, 0xD76AA478 );
elessair 0:f269e3021894 148 P( D, A, B, C, 1, 12, 0xE8C7B756 );
elessair 0:f269e3021894 149 P( C, D, A, B, 2, 17, 0x242070DB );
elessair 0:f269e3021894 150 P( B, C, D, A, 3, 22, 0xC1BDCEEE );
elessair 0:f269e3021894 151 P( A, B, C, D, 4, 7, 0xF57C0FAF );
elessair 0:f269e3021894 152 P( D, A, B, C, 5, 12, 0x4787C62A );
elessair 0:f269e3021894 153 P( C, D, A, B, 6, 17, 0xA8304613 );
elessair 0:f269e3021894 154 P( B, C, D, A, 7, 22, 0xFD469501 );
elessair 0:f269e3021894 155 P( A, B, C, D, 8, 7, 0x698098D8 );
elessair 0:f269e3021894 156 P( D, A, B, C, 9, 12, 0x8B44F7AF );
elessair 0:f269e3021894 157 P( C, D, A, B, 10, 17, 0xFFFF5BB1 );
elessair 0:f269e3021894 158 P( B, C, D, A, 11, 22, 0x895CD7BE );
elessair 0:f269e3021894 159 P( A, B, C, D, 12, 7, 0x6B901122 );
elessair 0:f269e3021894 160 P( D, A, B, C, 13, 12, 0xFD987193 );
elessair 0:f269e3021894 161 P( C, D, A, B, 14, 17, 0xA679438E );
elessair 0:f269e3021894 162 P( B, C, D, A, 15, 22, 0x49B40821 );
elessair 0:f269e3021894 163
elessair 0:f269e3021894 164 #undef F
elessair 0:f269e3021894 165
elessair 0:f269e3021894 166 #define F(x,y,z) (y ^ (z & (x ^ y)))
elessair 0:f269e3021894 167
elessair 0:f269e3021894 168 P( A, B, C, D, 1, 5, 0xF61E2562 );
elessair 0:f269e3021894 169 P( D, A, B, C, 6, 9, 0xC040B340 );
elessair 0:f269e3021894 170 P( C, D, A, B, 11, 14, 0x265E5A51 );
elessair 0:f269e3021894 171 P( B, C, D, A, 0, 20, 0xE9B6C7AA );
elessair 0:f269e3021894 172 P( A, B, C, D, 5, 5, 0xD62F105D );
elessair 0:f269e3021894 173 P( D, A, B, C, 10, 9, 0x02441453 );
elessair 0:f269e3021894 174 P( C, D, A, B, 15, 14, 0xD8A1E681 );
elessair 0:f269e3021894 175 P( B, C, D, A, 4, 20, 0xE7D3FBC8 );
elessair 0:f269e3021894 176 P( A, B, C, D, 9, 5, 0x21E1CDE6 );
elessair 0:f269e3021894 177 P( D, A, B, C, 14, 9, 0xC33707D6 );
elessair 0:f269e3021894 178 P( C, D, A, B, 3, 14, 0xF4D50D87 );
elessair 0:f269e3021894 179 P( B, C, D, A, 8, 20, 0x455A14ED );
elessair 0:f269e3021894 180 P( A, B, C, D, 13, 5, 0xA9E3E905 );
elessair 0:f269e3021894 181 P( D, A, B, C, 2, 9, 0xFCEFA3F8 );
elessair 0:f269e3021894 182 P( C, D, A, B, 7, 14, 0x676F02D9 );
elessair 0:f269e3021894 183 P( B, C, D, A, 12, 20, 0x8D2A4C8A );
elessair 0:f269e3021894 184
elessair 0:f269e3021894 185 #undef F
elessair 0:f269e3021894 186
elessair 0:f269e3021894 187 #define F(x,y,z) (x ^ y ^ z)
elessair 0:f269e3021894 188
elessair 0:f269e3021894 189 P( A, B, C, D, 5, 4, 0xFFFA3942 );
elessair 0:f269e3021894 190 P( D, A, B, C, 8, 11, 0x8771F681 );
elessair 0:f269e3021894 191 P( C, D, A, B, 11, 16, 0x6D9D6122 );
elessair 0:f269e3021894 192 P( B, C, D, A, 14, 23, 0xFDE5380C );
elessair 0:f269e3021894 193 P( A, B, C, D, 1, 4, 0xA4BEEA44 );
elessair 0:f269e3021894 194 P( D, A, B, C, 4, 11, 0x4BDECFA9 );
elessair 0:f269e3021894 195 P( C, D, A, B, 7, 16, 0xF6BB4B60 );
elessair 0:f269e3021894 196 P( B, C, D, A, 10, 23, 0xBEBFBC70 );
elessair 0:f269e3021894 197 P( A, B, C, D, 13, 4, 0x289B7EC6 );
elessair 0:f269e3021894 198 P( D, A, B, C, 0, 11, 0xEAA127FA );
elessair 0:f269e3021894 199 P( C, D, A, B, 3, 16, 0xD4EF3085 );
elessair 0:f269e3021894 200 P( B, C, D, A, 6, 23, 0x04881D05 );
elessair 0:f269e3021894 201 P( A, B, C, D, 9, 4, 0xD9D4D039 );
elessair 0:f269e3021894 202 P( D, A, B, C, 12, 11, 0xE6DB99E5 );
elessair 0:f269e3021894 203 P( C, D, A, B, 15, 16, 0x1FA27CF8 );
elessair 0:f269e3021894 204 P( B, C, D, A, 2, 23, 0xC4AC5665 );
elessair 0:f269e3021894 205
elessair 0:f269e3021894 206 #undef F
elessair 0:f269e3021894 207
elessair 0:f269e3021894 208 #define F(x,y,z) (y ^ (x | ~z))
elessair 0:f269e3021894 209
elessair 0:f269e3021894 210 P( A, B, C, D, 0, 6, 0xF4292244 );
elessair 0:f269e3021894 211 P( D, A, B, C, 7, 10, 0x432AFF97 );
elessair 0:f269e3021894 212 P( C, D, A, B, 14, 15, 0xAB9423A7 );
elessair 0:f269e3021894 213 P( B, C, D, A, 5, 21, 0xFC93A039 );
elessair 0:f269e3021894 214 P( A, B, C, D, 12, 6, 0x655B59C3 );
elessair 0:f269e3021894 215 P( D, A, B, C, 3, 10, 0x8F0CCC92 );
elessair 0:f269e3021894 216 P( C, D, A, B, 10, 15, 0xFFEFF47D );
elessair 0:f269e3021894 217 P( B, C, D, A, 1, 21, 0x85845DD1 );
elessair 0:f269e3021894 218 P( A, B, C, D, 8, 6, 0x6FA87E4F );
elessair 0:f269e3021894 219 P( D, A, B, C, 15, 10, 0xFE2CE6E0 );
elessair 0:f269e3021894 220 P( C, D, A, B, 6, 15, 0xA3014314 );
elessair 0:f269e3021894 221 P( B, C, D, A, 13, 21, 0x4E0811A1 );
elessair 0:f269e3021894 222 P( A, B, C, D, 4, 6, 0xF7537E82 );
elessair 0:f269e3021894 223 P( D, A, B, C, 11, 10, 0xBD3AF235 );
elessair 0:f269e3021894 224 P( C, D, A, B, 2, 15, 0x2AD7D2BB );
elessair 0:f269e3021894 225 P( B, C, D, A, 9, 21, 0xEB86D391 );
elessair 0:f269e3021894 226
elessair 0:f269e3021894 227 #undef F
elessair 0:f269e3021894 228
elessair 0:f269e3021894 229 ctx->state[0] += A;
elessair 0:f269e3021894 230 ctx->state[1] += B;
elessair 0:f269e3021894 231 ctx->state[2] += C;
elessair 0:f269e3021894 232 ctx->state[3] += D;
elessair 0:f269e3021894 233 }
elessair 0:f269e3021894 234 #endif /* !MBEDTLS_MD5_PROCESS_ALT */
elessair 0:f269e3021894 235
elessair 0:f269e3021894 236 /*
elessair 0:f269e3021894 237 * MD5 process buffer
elessair 0:f269e3021894 238 */
elessair 0:f269e3021894 239 void mbedtls_md5_update( mbedtls_md5_context *ctx, const unsigned char *input, size_t ilen )
elessair 0:f269e3021894 240 {
elessair 0:f269e3021894 241 size_t fill;
elessair 0:f269e3021894 242 uint32_t left;
elessair 0:f269e3021894 243
elessair 0:f269e3021894 244 if( ilen == 0 )
elessair 0:f269e3021894 245 return;
elessair 0:f269e3021894 246
elessair 0:f269e3021894 247 left = ctx->total[0] & 0x3F;
elessair 0:f269e3021894 248 fill = 64 - left;
elessair 0:f269e3021894 249
elessair 0:f269e3021894 250 ctx->total[0] += (uint32_t) ilen;
elessair 0:f269e3021894 251 ctx->total[0] &= 0xFFFFFFFF;
elessair 0:f269e3021894 252
elessair 0:f269e3021894 253 if( ctx->total[0] < (uint32_t) ilen )
elessair 0:f269e3021894 254 ctx->total[1]++;
elessair 0:f269e3021894 255
elessair 0:f269e3021894 256 if( left && ilen >= fill )
elessair 0:f269e3021894 257 {
elessair 0:f269e3021894 258 memcpy( (void *) (ctx->buffer + left), input, fill );
elessair 0:f269e3021894 259 mbedtls_md5_process( ctx, ctx->buffer );
elessair 0:f269e3021894 260 input += fill;
elessair 0:f269e3021894 261 ilen -= fill;
elessair 0:f269e3021894 262 left = 0;
elessair 0:f269e3021894 263 }
elessair 0:f269e3021894 264
elessair 0:f269e3021894 265 while( ilen >= 64 )
elessair 0:f269e3021894 266 {
elessair 0:f269e3021894 267 mbedtls_md5_process( ctx, input );
elessair 0:f269e3021894 268 input += 64;
elessair 0:f269e3021894 269 ilen -= 64;
elessair 0:f269e3021894 270 }
elessair 0:f269e3021894 271
elessair 0:f269e3021894 272 if( ilen > 0 )
elessair 0:f269e3021894 273 {
elessair 0:f269e3021894 274 memcpy( (void *) (ctx->buffer + left), input, ilen );
elessair 0:f269e3021894 275 }
elessair 0:f269e3021894 276 }
elessair 0:f269e3021894 277
elessair 0:f269e3021894 278 static const unsigned char md5_padding[64] =
elessair 0:f269e3021894 279 {
elessair 0:f269e3021894 280 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 281 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 282 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 283 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
elessair 0:f269e3021894 284 };
elessair 0:f269e3021894 285
elessair 0:f269e3021894 286 /*
elessair 0:f269e3021894 287 * MD5 final digest
elessair 0:f269e3021894 288 */
elessair 0:f269e3021894 289 void mbedtls_md5_finish( mbedtls_md5_context *ctx, unsigned char output[16] )
elessair 0:f269e3021894 290 {
elessair 0:f269e3021894 291 uint32_t last, padn;
elessair 0:f269e3021894 292 uint32_t high, low;
elessair 0:f269e3021894 293 unsigned char msglen[8];
elessair 0:f269e3021894 294
elessair 0:f269e3021894 295 high = ( ctx->total[0] >> 29 )
elessair 0:f269e3021894 296 | ( ctx->total[1] << 3 );
elessair 0:f269e3021894 297 low = ( ctx->total[0] << 3 );
elessair 0:f269e3021894 298
elessair 0:f269e3021894 299 PUT_UINT32_LE( low, msglen, 0 );
elessair 0:f269e3021894 300 PUT_UINT32_LE( high, msglen, 4 );
elessair 0:f269e3021894 301
elessair 0:f269e3021894 302 last = ctx->total[0] & 0x3F;
elessair 0:f269e3021894 303 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
elessair 0:f269e3021894 304
elessair 0:f269e3021894 305 mbedtls_md5_update( ctx, md5_padding, padn );
elessair 0:f269e3021894 306 mbedtls_md5_update( ctx, msglen, 8 );
elessair 0:f269e3021894 307
elessair 0:f269e3021894 308 PUT_UINT32_LE( ctx->state[0], output, 0 );
elessair 0:f269e3021894 309 PUT_UINT32_LE( ctx->state[1], output, 4 );
elessair 0:f269e3021894 310 PUT_UINT32_LE( ctx->state[2], output, 8 );
elessair 0:f269e3021894 311 PUT_UINT32_LE( ctx->state[3], output, 12 );
elessair 0:f269e3021894 312 }
elessair 0:f269e3021894 313
elessair 0:f269e3021894 314 #endif /* !MBEDTLS_MD5_ALT */
elessair 0:f269e3021894 315
elessair 0:f269e3021894 316 /*
elessair 0:f269e3021894 317 * output = MD5( input buffer )
elessair 0:f269e3021894 318 */
elessair 0:f269e3021894 319 void mbedtls_md5( const unsigned char *input, size_t ilen, unsigned char output[16] )
elessair 0:f269e3021894 320 {
elessair 0:f269e3021894 321 mbedtls_md5_context ctx;
elessair 0:f269e3021894 322
elessair 0:f269e3021894 323 mbedtls_md5_init( &ctx );
elessair 0:f269e3021894 324 mbedtls_md5_starts( &ctx );
elessair 0:f269e3021894 325 mbedtls_md5_update( &ctx, input, ilen );
elessair 0:f269e3021894 326 mbedtls_md5_finish( &ctx, output );
elessair 0:f269e3021894 327 mbedtls_md5_free( &ctx );
elessair 0:f269e3021894 328 }
elessair 0:f269e3021894 329
elessair 0:f269e3021894 330 #if defined(MBEDTLS_SELF_TEST)
elessair 0:f269e3021894 331 /*
elessair 0:f269e3021894 332 * RFC 1321 test vectors
elessair 0:f269e3021894 333 */
elessair 0:f269e3021894 334 static const unsigned char md5_test_buf[7][81] =
elessair 0:f269e3021894 335 {
elessair 0:f269e3021894 336 { "" },
elessair 0:f269e3021894 337 { "a" },
elessair 0:f269e3021894 338 { "abc" },
elessair 0:f269e3021894 339 { "message digest" },
elessair 0:f269e3021894 340 { "abcdefghijklmnopqrstuvwxyz" },
elessair 0:f269e3021894 341 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
elessair 0:f269e3021894 342 { "12345678901234567890123456789012345678901234567890123456789012" \
elessair 0:f269e3021894 343 "345678901234567890" }
elessair 0:f269e3021894 344 };
elessair 0:f269e3021894 345
elessair 0:f269e3021894 346 static const int md5_test_buflen[7] =
elessair 0:f269e3021894 347 {
elessair 0:f269e3021894 348 0, 1, 3, 14, 26, 62, 80
elessair 0:f269e3021894 349 };
elessair 0:f269e3021894 350
elessair 0:f269e3021894 351 static const unsigned char md5_test_sum[7][16] =
elessair 0:f269e3021894 352 {
elessair 0:f269e3021894 353 { 0xD4, 0x1D, 0x8C, 0xD9, 0x8F, 0x00, 0xB2, 0x04,
elessair 0:f269e3021894 354 0xE9, 0x80, 0x09, 0x98, 0xEC, 0xF8, 0x42, 0x7E },
elessair 0:f269e3021894 355 { 0x0C, 0xC1, 0x75, 0xB9, 0xC0, 0xF1, 0xB6, 0xA8,
elessair 0:f269e3021894 356 0x31, 0xC3, 0x99, 0xE2, 0x69, 0x77, 0x26, 0x61 },
elessair 0:f269e3021894 357 { 0x90, 0x01, 0x50, 0x98, 0x3C, 0xD2, 0x4F, 0xB0,
elessair 0:f269e3021894 358 0xD6, 0x96, 0x3F, 0x7D, 0x28, 0xE1, 0x7F, 0x72 },
elessair 0:f269e3021894 359 { 0xF9, 0x6B, 0x69, 0x7D, 0x7C, 0xB7, 0x93, 0x8D,
elessair 0:f269e3021894 360 0x52, 0x5A, 0x2F, 0x31, 0xAA, 0xF1, 0x61, 0xD0 },
elessair 0:f269e3021894 361 { 0xC3, 0xFC, 0xD3, 0xD7, 0x61, 0x92, 0xE4, 0x00,
elessair 0:f269e3021894 362 0x7D, 0xFB, 0x49, 0x6C, 0xCA, 0x67, 0xE1, 0x3B },
elessair 0:f269e3021894 363 { 0xD1, 0x74, 0xAB, 0x98, 0xD2, 0x77, 0xD9, 0xF5,
elessair 0:f269e3021894 364 0xA5, 0x61, 0x1C, 0x2C, 0x9F, 0x41, 0x9D, 0x9F },
elessair 0:f269e3021894 365 { 0x57, 0xED, 0xF4, 0xA2, 0x2B, 0xE3, 0xC9, 0x55,
elessair 0:f269e3021894 366 0xAC, 0x49, 0xDA, 0x2E, 0x21, 0x07, 0xB6, 0x7A }
elessair 0:f269e3021894 367 };
elessair 0:f269e3021894 368
elessair 0:f269e3021894 369 /*
elessair 0:f269e3021894 370 * Checkup routine
elessair 0:f269e3021894 371 */
elessair 0:f269e3021894 372 int mbedtls_md5_self_test( int verbose )
elessair 0:f269e3021894 373 {
elessair 0:f269e3021894 374 int i;
elessair 0:f269e3021894 375 unsigned char md5sum[16];
elessair 0:f269e3021894 376
elessair 0:f269e3021894 377 for( i = 0; i < 7; i++ )
elessair 0:f269e3021894 378 {
elessair 0:f269e3021894 379 if( verbose != 0 )
elessair 0:f269e3021894 380 mbedtls_printf( " MD5 test #%d: ", i + 1 );
elessair 0:f269e3021894 381
elessair 0:f269e3021894 382 mbedtls_md5( md5_test_buf[i], md5_test_buflen[i], md5sum );
elessair 0:f269e3021894 383
elessair 0:f269e3021894 384 if( memcmp( md5sum, md5_test_sum[i], 16 ) != 0 )
elessair 0:f269e3021894 385 {
elessair 0:f269e3021894 386 if( verbose != 0 )
elessair 0:f269e3021894 387 mbedtls_printf( "failed\n" );
elessair 0:f269e3021894 388
elessair 0:f269e3021894 389 return( 1 );
elessair 0:f269e3021894 390 }
elessair 0:f269e3021894 391
elessair 0:f269e3021894 392 if( verbose != 0 )
elessair 0:f269e3021894 393 mbedtls_printf( "passed\n" );
elessair 0:f269e3021894 394 }
elessair 0:f269e3021894 395
elessair 0:f269e3021894 396 if( verbose != 0 )
elessair 0:f269e3021894 397 mbedtls_printf( "\n" );
elessair 0:f269e3021894 398
elessair 0:f269e3021894 399 return( 0 );
elessair 0:f269e3021894 400 }
elessair 0:f269e3021894 401
elessair 0:f269e3021894 402 #endif /* MBEDTLS_SELF_TEST */
elessair 0:f269e3021894 403
elessair 0:f269e3021894 404 #endif /* MBEDTLS_MD5_C */