Nicolas Borla / Mbed OS BBR_1Ebene

BBR 1 Ebene

mbed-os/features/mbedtls/src/md5.c@0:fbdae7e6d805, 2018-05-14 (annotated)

Committer:
borlanic
Date:
Mon May 14 11:29:06 2018 +0000
Revision:
0:fbdae7e6d805
BBR

Who changed what in which revision?

UserRevisionLine numberNew contents of line
borlanic 0:fbdae7e6d805 1 /*
borlanic 0:fbdae7e6d805 2 * RFC 1321 compliant MD5 implementation
borlanic 0:fbdae7e6d805 3 *
borlanic 0:fbdae7e6d805 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
borlanic 0:fbdae7e6d805 5 * SPDX-License-Identifier: Apache-2.0
borlanic 0:fbdae7e6d805 6 *
borlanic 0:fbdae7e6d805 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
borlanic 0:fbdae7e6d805 8 * not use this file except in compliance with the License.
borlanic 0:fbdae7e6d805 9 * You may obtain a copy of the License at
borlanic 0:fbdae7e6d805 10 *
borlanic 0:fbdae7e6d805 11 * http://www.apache.org/licenses/LICENSE-2.0
borlanic 0:fbdae7e6d805 12 *
borlanic 0:fbdae7e6d805 13 * Unless required by applicable law or agreed to in writing, software
borlanic 0:fbdae7e6d805 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
borlanic 0:fbdae7e6d805 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
borlanic 0:fbdae7e6d805 16 * See the License for the specific language governing permissions and
borlanic 0:fbdae7e6d805 17 * limitations under the License.
borlanic 0:fbdae7e6d805 18 *
borlanic 0:fbdae7e6d805 19 * This file is part of mbed TLS (https://tls.mbed.org)
borlanic 0:fbdae7e6d805 20 */
borlanic 0:fbdae7e6d805 21 /*
borlanic 0:fbdae7e6d805 22 * The MD5 algorithm was designed by Ron Rivest in 1991.
borlanic 0:fbdae7e6d805 23 *
borlanic 0:fbdae7e6d805 24 * http://www.ietf.org/rfc/rfc1321.txt
borlanic 0:fbdae7e6d805 25 */
borlanic 0:fbdae7e6d805 26
borlanic 0:fbdae7e6d805 27 #if !defined(MBEDTLS_CONFIG_FILE)
borlanic 0:fbdae7e6d805 28 #include "mbedtls/config.h"
borlanic 0:fbdae7e6d805 29 #else
borlanic 0:fbdae7e6d805 30 #include MBEDTLS_CONFIG_FILE
borlanic 0:fbdae7e6d805 31 #endif
borlanic 0:fbdae7e6d805 32
borlanic 0:fbdae7e6d805 33 #if defined(MBEDTLS_MD5_C)
borlanic 0:fbdae7e6d805 34
borlanic 0:fbdae7e6d805 35 #include "mbedtls/md5.h"
borlanic 0:fbdae7e6d805 36
borlanic 0:fbdae7e6d805 37 #include <string.h>
borlanic 0:fbdae7e6d805 38
borlanic 0:fbdae7e6d805 39 #if defined(MBEDTLS_SELF_TEST)
borlanic 0:fbdae7e6d805 40 #if defined(MBEDTLS_PLATFORM_C)
borlanic 0:fbdae7e6d805 41 #include "mbedtls/platform.h"
borlanic 0:fbdae7e6d805 42 #else
borlanic 0:fbdae7e6d805 43 #include <stdio.h>
borlanic 0:fbdae7e6d805 44 #define mbedtls_printf printf
borlanic 0:fbdae7e6d805 45 #endif /* MBEDTLS_PLATFORM_C */
borlanic 0:fbdae7e6d805 46 #endif /* MBEDTLS_SELF_TEST */
borlanic 0:fbdae7e6d805 47
borlanic 0:fbdae7e6d805 48 #if !defined(MBEDTLS_MD5_ALT)
borlanic 0:fbdae7e6d805 49
borlanic 0:fbdae7e6d805 50 /* Implementation that should never be optimized out by the compiler */
borlanic 0:fbdae7e6d805 51 static void mbedtls_zeroize( void *v, size_t n ) {
borlanic 0:fbdae7e6d805 52 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
borlanic 0:fbdae7e6d805 53 }
borlanic 0:fbdae7e6d805 54
borlanic 0:fbdae7e6d805 55 /*
borlanic 0:fbdae7e6d805 56 * 32-bit integer manipulation macros (little endian)
borlanic 0:fbdae7e6d805 57 */
borlanic 0:fbdae7e6d805 58 #ifndef GET_UINT32_LE
borlanic 0:fbdae7e6d805 59 #define GET_UINT32_LE(n,b,i) \
borlanic 0:fbdae7e6d805 60 { \
borlanic 0:fbdae7e6d805 61 (n) = ( (uint32_t) (b)[(i) ] ) \
borlanic 0:fbdae7e6d805 62 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
borlanic 0:fbdae7e6d805 63 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
borlanic 0:fbdae7e6d805 64 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
borlanic 0:fbdae7e6d805 65 }
borlanic 0:fbdae7e6d805 66 #endif
borlanic 0:fbdae7e6d805 67
borlanic 0:fbdae7e6d805 68 #ifndef PUT_UINT32_LE
borlanic 0:fbdae7e6d805 69 #define PUT_UINT32_LE(n,b,i) \
borlanic 0:fbdae7e6d805 70 { \
borlanic 0:fbdae7e6d805 71 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
borlanic 0:fbdae7e6d805 72 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
borlanic 0:fbdae7e6d805 73 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
borlanic 0:fbdae7e6d805 74 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
borlanic 0:fbdae7e6d805 75 }
borlanic 0:fbdae7e6d805 76 #endif
borlanic 0:fbdae7e6d805 77
borlanic 0:fbdae7e6d805 78 void mbedtls_md5_init( mbedtls_md5_context *ctx )
borlanic 0:fbdae7e6d805 79 {
borlanic 0:fbdae7e6d805 80 memset( ctx, 0, sizeof( mbedtls_md5_context ) );
borlanic 0:fbdae7e6d805 81 }
borlanic 0:fbdae7e6d805 82
borlanic 0:fbdae7e6d805 83 void mbedtls_md5_free( mbedtls_md5_context *ctx )
borlanic 0:fbdae7e6d805 84 {
borlanic 0:fbdae7e6d805 85 if( ctx == NULL )
borlanic 0:fbdae7e6d805 86 return;
borlanic 0:fbdae7e6d805 87
borlanic 0:fbdae7e6d805 88 mbedtls_zeroize( ctx, sizeof( mbedtls_md5_context ) );
borlanic 0:fbdae7e6d805 89 }
borlanic 0:fbdae7e6d805 90
borlanic 0:fbdae7e6d805 91 void mbedtls_md5_clone( mbedtls_md5_context *dst,
borlanic 0:fbdae7e6d805 92 const mbedtls_md5_context *src )
borlanic 0:fbdae7e6d805 93 {
borlanic 0:fbdae7e6d805 94 *dst = *src;
borlanic 0:fbdae7e6d805 95 }
borlanic 0:fbdae7e6d805 96
borlanic 0:fbdae7e6d805 97 /*
borlanic 0:fbdae7e6d805 98 * MD5 context setup
borlanic 0:fbdae7e6d805 99 */
borlanic 0:fbdae7e6d805 100 int mbedtls_md5_starts_ret( mbedtls_md5_context *ctx )
borlanic 0:fbdae7e6d805 101 {
borlanic 0:fbdae7e6d805 102 ctx->total[0] = 0;
borlanic 0:fbdae7e6d805 103 ctx->total[1] = 0;
borlanic 0:fbdae7e6d805 104
borlanic 0:fbdae7e6d805 105 ctx->state[0] = 0x67452301;
borlanic 0:fbdae7e6d805 106 ctx->state[1] = 0xEFCDAB89;
borlanic 0:fbdae7e6d805 107 ctx->state[2] = 0x98BADCFE;
borlanic 0:fbdae7e6d805 108 ctx->state[3] = 0x10325476;
borlanic 0:fbdae7e6d805 109
borlanic 0:fbdae7e6d805 110 return( 0 );
borlanic 0:fbdae7e6d805 111 }
borlanic 0:fbdae7e6d805 112
borlanic 0:fbdae7e6d805 113 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
borlanic 0:fbdae7e6d805 114 void mbedtls_md5_starts( mbedtls_md5_context *ctx )
borlanic 0:fbdae7e6d805 115 {
borlanic 0:fbdae7e6d805 116 mbedtls_md5_starts_ret( ctx );
borlanic 0:fbdae7e6d805 117 }
borlanic 0:fbdae7e6d805 118 #endif
borlanic 0:fbdae7e6d805 119
borlanic 0:fbdae7e6d805 120 #if !defined(MBEDTLS_MD5_PROCESS_ALT)
borlanic 0:fbdae7e6d805 121 int mbedtls_internal_md5_process( mbedtls_md5_context *ctx,
borlanic 0:fbdae7e6d805 122 const unsigned char data[64] )
borlanic 0:fbdae7e6d805 123 {
borlanic 0:fbdae7e6d805 124 uint32_t X[16], A, B, C, D;
borlanic 0:fbdae7e6d805 125
borlanic 0:fbdae7e6d805 126 GET_UINT32_LE( X[ 0], data, 0 );
borlanic 0:fbdae7e6d805 127 GET_UINT32_LE( X[ 1], data, 4 );
borlanic 0:fbdae7e6d805 128 GET_UINT32_LE( X[ 2], data, 8 );
borlanic 0:fbdae7e6d805 129 GET_UINT32_LE( X[ 3], data, 12 );
borlanic 0:fbdae7e6d805 130 GET_UINT32_LE( X[ 4], data, 16 );
borlanic 0:fbdae7e6d805 131 GET_UINT32_LE( X[ 5], data, 20 );
borlanic 0:fbdae7e6d805 132 GET_UINT32_LE( X[ 6], data, 24 );
borlanic 0:fbdae7e6d805 133 GET_UINT32_LE( X[ 7], data, 28 );
borlanic 0:fbdae7e6d805 134 GET_UINT32_LE( X[ 8], data, 32 );
borlanic 0:fbdae7e6d805 135 GET_UINT32_LE( X[ 9], data, 36 );
borlanic 0:fbdae7e6d805 136 GET_UINT32_LE( X[10], data, 40 );
borlanic 0:fbdae7e6d805 137 GET_UINT32_LE( X[11], data, 44 );
borlanic 0:fbdae7e6d805 138 GET_UINT32_LE( X[12], data, 48 );
borlanic 0:fbdae7e6d805 139 GET_UINT32_LE( X[13], data, 52 );
borlanic 0:fbdae7e6d805 140 GET_UINT32_LE( X[14], data, 56 );
borlanic 0:fbdae7e6d805 141 GET_UINT32_LE( X[15], data, 60 );
borlanic 0:fbdae7e6d805 142
borlanic 0:fbdae7e6d805 143 #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
borlanic 0:fbdae7e6d805 144
borlanic 0:fbdae7e6d805 145 #define P(a,b,c,d,k,s,t) \
borlanic 0:fbdae7e6d805 146 { \
borlanic 0:fbdae7e6d805 147 a += F(b,c,d) + X[k] + t; a = S(a,s) + b; \
borlanic 0:fbdae7e6d805 148 }
borlanic 0:fbdae7e6d805 149
borlanic 0:fbdae7e6d805 150 A = ctx->state[0];
borlanic 0:fbdae7e6d805 151 B = ctx->state[1];
borlanic 0:fbdae7e6d805 152 C = ctx->state[2];
borlanic 0:fbdae7e6d805 153 D = ctx->state[3];
borlanic 0:fbdae7e6d805 154
borlanic 0:fbdae7e6d805 155 #define F(x,y,z) (z ^ (x & (y ^ z)))
borlanic 0:fbdae7e6d805 156
borlanic 0:fbdae7e6d805 157 P( A, B, C, D, 0, 7, 0xD76AA478 );
borlanic 0:fbdae7e6d805 158 P( D, A, B, C, 1, 12, 0xE8C7B756 );
borlanic 0:fbdae7e6d805 159 P( C, D, A, B, 2, 17, 0x242070DB );
borlanic 0:fbdae7e6d805 160 P( B, C, D, A, 3, 22, 0xC1BDCEEE );
borlanic 0:fbdae7e6d805 161 P( A, B, C, D, 4, 7, 0xF57C0FAF );
borlanic 0:fbdae7e6d805 162 P( D, A, B, C, 5, 12, 0x4787C62A );
borlanic 0:fbdae7e6d805 163 P( C, D, A, B, 6, 17, 0xA8304613 );
borlanic 0:fbdae7e6d805 164 P( B, C, D, A, 7, 22, 0xFD469501 );
borlanic 0:fbdae7e6d805 165 P( A, B, C, D, 8, 7, 0x698098D8 );
borlanic 0:fbdae7e6d805 166 P( D, A, B, C, 9, 12, 0x8B44F7AF );
borlanic 0:fbdae7e6d805 167 P( C, D, A, B, 10, 17, 0xFFFF5BB1 );
borlanic 0:fbdae7e6d805 168 P( B, C, D, A, 11, 22, 0x895CD7BE );
borlanic 0:fbdae7e6d805 169 P( A, B, C, D, 12, 7, 0x6B901122 );
borlanic 0:fbdae7e6d805 170 P( D, A, B, C, 13, 12, 0xFD987193 );
borlanic 0:fbdae7e6d805 171 P( C, D, A, B, 14, 17, 0xA679438E );
borlanic 0:fbdae7e6d805 172 P( B, C, D, A, 15, 22, 0x49B40821 );
borlanic 0:fbdae7e6d805 173
borlanic 0:fbdae7e6d805 174 #undef F
borlanic 0:fbdae7e6d805 175
borlanic 0:fbdae7e6d805 176 #define F(x,y,z) (y ^ (z & (x ^ y)))
borlanic 0:fbdae7e6d805 177
borlanic 0:fbdae7e6d805 178 P( A, B, C, D, 1, 5, 0xF61E2562 );
borlanic 0:fbdae7e6d805 179 P( D, A, B, C, 6, 9, 0xC040B340 );
borlanic 0:fbdae7e6d805 180 P( C, D, A, B, 11, 14, 0x265E5A51 );
borlanic 0:fbdae7e6d805 181 P( B, C, D, A, 0, 20, 0xE9B6C7AA );
borlanic 0:fbdae7e6d805 182 P( A, B, C, D, 5, 5, 0xD62F105D );
borlanic 0:fbdae7e6d805 183 P( D, A, B, C, 10, 9, 0x02441453 );
borlanic 0:fbdae7e6d805 184 P( C, D, A, B, 15, 14, 0xD8A1E681 );
borlanic 0:fbdae7e6d805 185 P( B, C, D, A, 4, 20, 0xE7D3FBC8 );
borlanic 0:fbdae7e6d805 186 P( A, B, C, D, 9, 5, 0x21E1CDE6 );
borlanic 0:fbdae7e6d805 187 P( D, A, B, C, 14, 9, 0xC33707D6 );
borlanic 0:fbdae7e6d805 188 P( C, D, A, B, 3, 14, 0xF4D50D87 );
borlanic 0:fbdae7e6d805 189 P( B, C, D, A, 8, 20, 0x455A14ED );
borlanic 0:fbdae7e6d805 190 P( A, B, C, D, 13, 5, 0xA9E3E905 );
borlanic 0:fbdae7e6d805 191 P( D, A, B, C, 2, 9, 0xFCEFA3F8 );
borlanic 0:fbdae7e6d805 192 P( C, D, A, B, 7, 14, 0x676F02D9 );
borlanic 0:fbdae7e6d805 193 P( B, C, D, A, 12, 20, 0x8D2A4C8A );
borlanic 0:fbdae7e6d805 194
borlanic 0:fbdae7e6d805 195 #undef F
borlanic 0:fbdae7e6d805 196
borlanic 0:fbdae7e6d805 197 #define F(x,y,z) (x ^ y ^ z)
borlanic 0:fbdae7e6d805 198
borlanic 0:fbdae7e6d805 199 P( A, B, C, D, 5, 4, 0xFFFA3942 );
borlanic 0:fbdae7e6d805 200 P( D, A, B, C, 8, 11, 0x8771F681 );
borlanic 0:fbdae7e6d805 201 P( C, D, A, B, 11, 16, 0x6D9D6122 );
borlanic 0:fbdae7e6d805 202 P( B, C, D, A, 14, 23, 0xFDE5380C );
borlanic 0:fbdae7e6d805 203 P( A, B, C, D, 1, 4, 0xA4BEEA44 );
borlanic 0:fbdae7e6d805 204 P( D, A, B, C, 4, 11, 0x4BDECFA9 );
borlanic 0:fbdae7e6d805 205 P( C, D, A, B, 7, 16, 0xF6BB4B60 );
borlanic 0:fbdae7e6d805 206 P( B, C, D, A, 10, 23, 0xBEBFBC70 );
borlanic 0:fbdae7e6d805 207 P( A, B, C, D, 13, 4, 0x289B7EC6 );
borlanic 0:fbdae7e6d805 208 P( D, A, B, C, 0, 11, 0xEAA127FA );
borlanic 0:fbdae7e6d805 209 P( C, D, A, B, 3, 16, 0xD4EF3085 );
borlanic 0:fbdae7e6d805 210 P( B, C, D, A, 6, 23, 0x04881D05 );
borlanic 0:fbdae7e6d805 211 P( A, B, C, D, 9, 4, 0xD9D4D039 );
borlanic 0:fbdae7e6d805 212 P( D, A, B, C, 12, 11, 0xE6DB99E5 );
borlanic 0:fbdae7e6d805 213 P( C, D, A, B, 15, 16, 0x1FA27CF8 );
borlanic 0:fbdae7e6d805 214 P( B, C, D, A, 2, 23, 0xC4AC5665 );
borlanic 0:fbdae7e6d805 215
borlanic 0:fbdae7e6d805 216 #undef F
borlanic 0:fbdae7e6d805 217
borlanic 0:fbdae7e6d805 218 #define F(x,y,z) (y ^ (x | ~z))
borlanic 0:fbdae7e6d805 219
borlanic 0:fbdae7e6d805 220 P( A, B, C, D, 0, 6, 0xF4292244 );
borlanic 0:fbdae7e6d805 221 P( D, A, B, C, 7, 10, 0x432AFF97 );
borlanic 0:fbdae7e6d805 222 P( C, D, A, B, 14, 15, 0xAB9423A7 );
borlanic 0:fbdae7e6d805 223 P( B, C, D, A, 5, 21, 0xFC93A039 );
borlanic 0:fbdae7e6d805 224 P( A, B, C, D, 12, 6, 0x655B59C3 );
borlanic 0:fbdae7e6d805 225 P( D, A, B, C, 3, 10, 0x8F0CCC92 );
borlanic 0:fbdae7e6d805 226 P( C, D, A, B, 10, 15, 0xFFEFF47D );
borlanic 0:fbdae7e6d805 227 P( B, C, D, A, 1, 21, 0x85845DD1 );
borlanic 0:fbdae7e6d805 228 P( A, B, C, D, 8, 6, 0x6FA87E4F );
borlanic 0:fbdae7e6d805 229 P( D, A, B, C, 15, 10, 0xFE2CE6E0 );
borlanic 0:fbdae7e6d805 230 P( C, D, A, B, 6, 15, 0xA3014314 );
borlanic 0:fbdae7e6d805 231 P( B, C, D, A, 13, 21, 0x4E0811A1 );
borlanic 0:fbdae7e6d805 232 P( A, B, C, D, 4, 6, 0xF7537E82 );
borlanic 0:fbdae7e6d805 233 P( D, A, B, C, 11, 10, 0xBD3AF235 );
borlanic 0:fbdae7e6d805 234 P( C, D, A, B, 2, 15, 0x2AD7D2BB );
borlanic 0:fbdae7e6d805 235 P( B, C, D, A, 9, 21, 0xEB86D391 );
borlanic 0:fbdae7e6d805 236
borlanic 0:fbdae7e6d805 237 #undef F
borlanic 0:fbdae7e6d805 238
borlanic 0:fbdae7e6d805 239 ctx->state[0] += A;
borlanic 0:fbdae7e6d805 240 ctx->state[1] += B;
borlanic 0:fbdae7e6d805 241 ctx->state[2] += C;
borlanic 0:fbdae7e6d805 242 ctx->state[3] += D;
borlanic 0:fbdae7e6d805 243
borlanic 0:fbdae7e6d805 244 return( 0 );
borlanic 0:fbdae7e6d805 245 }
borlanic 0:fbdae7e6d805 246
borlanic 0:fbdae7e6d805 247 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
borlanic 0:fbdae7e6d805 248 void mbedtls_md5_process( mbedtls_md5_context *ctx,
borlanic 0:fbdae7e6d805 249 const unsigned char data[64] )
borlanic 0:fbdae7e6d805 250 {
borlanic 0:fbdae7e6d805 251 mbedtls_internal_md5_process( ctx, data );
borlanic 0:fbdae7e6d805 252 }
borlanic 0:fbdae7e6d805 253 #endif
borlanic 0:fbdae7e6d805 254 #endif /* !MBEDTLS_MD5_PROCESS_ALT */
borlanic 0:fbdae7e6d805 255
borlanic 0:fbdae7e6d805 256 /*
borlanic 0:fbdae7e6d805 257 * MD5 process buffer
borlanic 0:fbdae7e6d805 258 */
borlanic 0:fbdae7e6d805 259 int mbedtls_md5_update_ret( mbedtls_md5_context *ctx,
borlanic 0:fbdae7e6d805 260 const unsigned char *input,
borlanic 0:fbdae7e6d805 261 size_t ilen )
borlanic 0:fbdae7e6d805 262 {
borlanic 0:fbdae7e6d805 263 int ret;
borlanic 0:fbdae7e6d805 264 size_t fill;
borlanic 0:fbdae7e6d805 265 uint32_t left;
borlanic 0:fbdae7e6d805 266
borlanic 0:fbdae7e6d805 267 if( ilen == 0 )
borlanic 0:fbdae7e6d805 268 return( 0 );
borlanic 0:fbdae7e6d805 269
borlanic 0:fbdae7e6d805 270 left = ctx->total[0] & 0x3F;
borlanic 0:fbdae7e6d805 271 fill = 64 - left;
borlanic 0:fbdae7e6d805 272
borlanic 0:fbdae7e6d805 273 ctx->total[0] += (uint32_t) ilen;
borlanic 0:fbdae7e6d805 274 ctx->total[0] &= 0xFFFFFFFF;
borlanic 0:fbdae7e6d805 275
borlanic 0:fbdae7e6d805 276 if( ctx->total[0] < (uint32_t) ilen )
borlanic 0:fbdae7e6d805 277 ctx->total[1]++;
borlanic 0:fbdae7e6d805 278
borlanic 0:fbdae7e6d805 279 if( left && ilen >= fill )
borlanic 0:fbdae7e6d805 280 {
borlanic 0:fbdae7e6d805 281 memcpy( (void *) (ctx->buffer + left), input, fill );
borlanic 0:fbdae7e6d805 282 if( ( ret = mbedtls_internal_md5_process( ctx, ctx->buffer ) ) != 0 )
borlanic 0:fbdae7e6d805 283 return( ret );
borlanic 0:fbdae7e6d805 284
borlanic 0:fbdae7e6d805 285 input += fill;
borlanic 0:fbdae7e6d805 286 ilen -= fill;
borlanic 0:fbdae7e6d805 287 left = 0;
borlanic 0:fbdae7e6d805 288 }
borlanic 0:fbdae7e6d805 289
borlanic 0:fbdae7e6d805 290 while( ilen >= 64 )
borlanic 0:fbdae7e6d805 291 {
borlanic 0:fbdae7e6d805 292 if( ( ret = mbedtls_internal_md5_process( ctx, input ) ) != 0 )
borlanic 0:fbdae7e6d805 293 return( ret );
borlanic 0:fbdae7e6d805 294
borlanic 0:fbdae7e6d805 295 input += 64;
borlanic 0:fbdae7e6d805 296 ilen -= 64;
borlanic 0:fbdae7e6d805 297 }
borlanic 0:fbdae7e6d805 298
borlanic 0:fbdae7e6d805 299 if( ilen > 0 )
borlanic 0:fbdae7e6d805 300 {
borlanic 0:fbdae7e6d805 301 memcpy( (void *) (ctx->buffer + left), input, ilen );
borlanic 0:fbdae7e6d805 302 }
borlanic 0:fbdae7e6d805 303
borlanic 0:fbdae7e6d805 304 return( 0 );
borlanic 0:fbdae7e6d805 305 }
borlanic 0:fbdae7e6d805 306
borlanic 0:fbdae7e6d805 307 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
borlanic 0:fbdae7e6d805 308 void mbedtls_md5_update( mbedtls_md5_context *ctx,
borlanic 0:fbdae7e6d805 309 const unsigned char *input,
borlanic 0:fbdae7e6d805 310 size_t ilen )
borlanic 0:fbdae7e6d805 311 {
borlanic 0:fbdae7e6d805 312 mbedtls_md5_update_ret( ctx, input, ilen );
borlanic 0:fbdae7e6d805 313 }
borlanic 0:fbdae7e6d805 314 #endif
borlanic 0:fbdae7e6d805 315
borlanic 0:fbdae7e6d805 316 static const unsigned char md5_padding[64] =
borlanic 0:fbdae7e6d805 317 {
borlanic 0:fbdae7e6d805 318 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
borlanic 0:fbdae7e6d805 319 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
borlanic 0:fbdae7e6d805 320 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
borlanic 0:fbdae7e6d805 321 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
borlanic 0:fbdae7e6d805 322 };
borlanic 0:fbdae7e6d805 323
borlanic 0:fbdae7e6d805 324 /*
borlanic 0:fbdae7e6d805 325 * MD5 final digest
borlanic 0:fbdae7e6d805 326 */
borlanic 0:fbdae7e6d805 327 int mbedtls_md5_finish_ret( mbedtls_md5_context *ctx,
borlanic 0:fbdae7e6d805 328 unsigned char output[16] )
borlanic 0:fbdae7e6d805 329 {
borlanic 0:fbdae7e6d805 330 int ret;
borlanic 0:fbdae7e6d805 331 uint32_t last, padn;
borlanic 0:fbdae7e6d805 332 uint32_t high, low;
borlanic 0:fbdae7e6d805 333 unsigned char msglen[8];
borlanic 0:fbdae7e6d805 334
borlanic 0:fbdae7e6d805 335 high = ( ctx->total[0] >> 29 )
borlanic 0:fbdae7e6d805 336 | ( ctx->total[1] << 3 );
borlanic 0:fbdae7e6d805 337 low = ( ctx->total[0] << 3 );
borlanic 0:fbdae7e6d805 338
borlanic 0:fbdae7e6d805 339 PUT_UINT32_LE( low, msglen, 0 );
borlanic 0:fbdae7e6d805 340 PUT_UINT32_LE( high, msglen, 4 );
borlanic 0:fbdae7e6d805 341
borlanic 0:fbdae7e6d805 342 last = ctx->total[0] & 0x3F;
borlanic 0:fbdae7e6d805 343 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
borlanic 0:fbdae7e6d805 344
borlanic 0:fbdae7e6d805 345 if( ( ret = mbedtls_md5_update_ret( ctx, md5_padding, padn ) ) != 0 )
borlanic 0:fbdae7e6d805 346 return( ret );
borlanic 0:fbdae7e6d805 347
borlanic 0:fbdae7e6d805 348 if( ( ret = mbedtls_md5_update_ret( ctx, msglen, 8 ) ) != 0 )
borlanic 0:fbdae7e6d805 349 return( ret );
borlanic 0:fbdae7e6d805 350
borlanic 0:fbdae7e6d805 351 PUT_UINT32_LE( ctx->state[0], output, 0 );
borlanic 0:fbdae7e6d805 352 PUT_UINT32_LE( ctx->state[1], output, 4 );
borlanic 0:fbdae7e6d805 353 PUT_UINT32_LE( ctx->state[2], output, 8 );
borlanic 0:fbdae7e6d805 354 PUT_UINT32_LE( ctx->state[3], output, 12 );
borlanic 0:fbdae7e6d805 355
borlanic 0:fbdae7e6d805 356 return( 0 );
borlanic 0:fbdae7e6d805 357 }
borlanic 0:fbdae7e6d805 358
borlanic 0:fbdae7e6d805 359 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
borlanic 0:fbdae7e6d805 360 void mbedtls_md5_finish( mbedtls_md5_context *ctx,
borlanic 0:fbdae7e6d805 361 unsigned char output[16] )
borlanic 0:fbdae7e6d805 362 {
borlanic 0:fbdae7e6d805 363 mbedtls_md5_finish_ret( ctx, output );
borlanic 0:fbdae7e6d805 364 }
borlanic 0:fbdae7e6d805 365 #endif
borlanic 0:fbdae7e6d805 366
borlanic 0:fbdae7e6d805 367 #endif /* !MBEDTLS_MD5_ALT */
borlanic 0:fbdae7e6d805 368
borlanic 0:fbdae7e6d805 369 /*
borlanic 0:fbdae7e6d805 370 * output = MD5( input buffer )
borlanic 0:fbdae7e6d805 371 */
borlanic 0:fbdae7e6d805 372 int mbedtls_md5_ret( const unsigned char *input,
borlanic 0:fbdae7e6d805 373 size_t ilen,
borlanic 0:fbdae7e6d805 374 unsigned char output[16] )
borlanic 0:fbdae7e6d805 375 {
borlanic 0:fbdae7e6d805 376 int ret;
borlanic 0:fbdae7e6d805 377 mbedtls_md5_context ctx;
borlanic 0:fbdae7e6d805 378
borlanic 0:fbdae7e6d805 379 mbedtls_md5_init( &ctx );
borlanic 0:fbdae7e6d805 380
borlanic 0:fbdae7e6d805 381 if( ( ret = mbedtls_md5_starts_ret( &ctx ) ) != 0 )
borlanic 0:fbdae7e6d805 382 goto exit;
borlanic 0:fbdae7e6d805 383
borlanic 0:fbdae7e6d805 384 if( ( ret = mbedtls_md5_update_ret( &ctx, input, ilen ) ) != 0 )
borlanic 0:fbdae7e6d805 385 goto exit;
borlanic 0:fbdae7e6d805 386
borlanic 0:fbdae7e6d805 387 if( ( ret = mbedtls_md5_finish_ret( &ctx, output ) ) != 0 )
borlanic 0:fbdae7e6d805 388 goto exit;
borlanic 0:fbdae7e6d805 389
borlanic 0:fbdae7e6d805 390 exit:
borlanic 0:fbdae7e6d805 391 mbedtls_md5_free( &ctx );
borlanic 0:fbdae7e6d805 392
borlanic 0:fbdae7e6d805 393 return( ret );
borlanic 0:fbdae7e6d805 394 }
borlanic 0:fbdae7e6d805 395
borlanic 0:fbdae7e6d805 396 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
borlanic 0:fbdae7e6d805 397 void mbedtls_md5( const unsigned char *input,
borlanic 0:fbdae7e6d805 398 size_t ilen,
borlanic 0:fbdae7e6d805 399 unsigned char output[16] )
borlanic 0:fbdae7e6d805 400 {
borlanic 0:fbdae7e6d805 401 mbedtls_md5_ret( input, ilen, output );
borlanic 0:fbdae7e6d805 402 }
borlanic 0:fbdae7e6d805 403 #endif
borlanic 0:fbdae7e6d805 404
borlanic 0:fbdae7e6d805 405 #if defined(MBEDTLS_SELF_TEST)
borlanic 0:fbdae7e6d805 406 /*
borlanic 0:fbdae7e6d805 407 * RFC 1321 test vectors
borlanic 0:fbdae7e6d805 408 */
borlanic 0:fbdae7e6d805 409 static const unsigned char md5_test_buf[7][81] =
borlanic 0:fbdae7e6d805 410 {
borlanic 0:fbdae7e6d805 411 { "" },
borlanic 0:fbdae7e6d805 412 { "a" },
borlanic 0:fbdae7e6d805 413 { "abc" },
borlanic 0:fbdae7e6d805 414 { "message digest" },
borlanic 0:fbdae7e6d805 415 { "abcdefghijklmnopqrstuvwxyz" },
borlanic 0:fbdae7e6d805 416 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
borlanic 0:fbdae7e6d805 417 { "12345678901234567890123456789012345678901234567890123456789012"
borlanic 0:fbdae7e6d805 418 "345678901234567890" }
borlanic 0:fbdae7e6d805 419 };
borlanic 0:fbdae7e6d805 420
borlanic 0:fbdae7e6d805 421 static const size_t md5_test_buflen[7] =
borlanic 0:fbdae7e6d805 422 {
borlanic 0:fbdae7e6d805 423 0, 1, 3, 14, 26, 62, 80
borlanic 0:fbdae7e6d805 424 };
borlanic 0:fbdae7e6d805 425
borlanic 0:fbdae7e6d805 426 static const unsigned char md5_test_sum[7][16] =
borlanic 0:fbdae7e6d805 427 {
borlanic 0:fbdae7e6d805 428 { 0xD4, 0x1D, 0x8C, 0xD9, 0x8F, 0x00, 0xB2, 0x04,
borlanic 0:fbdae7e6d805 429 0xE9, 0x80, 0x09, 0x98, 0xEC, 0xF8, 0x42, 0x7E },
borlanic 0:fbdae7e6d805 430 { 0x0C, 0xC1, 0x75, 0xB9, 0xC0, 0xF1, 0xB6, 0xA8,
borlanic 0:fbdae7e6d805 431 0x31, 0xC3, 0x99, 0xE2, 0x69, 0x77, 0x26, 0x61 },
borlanic 0:fbdae7e6d805 432 { 0x90, 0x01, 0x50, 0x98, 0x3C, 0xD2, 0x4F, 0xB0,
borlanic 0:fbdae7e6d805 433 0xD6, 0x96, 0x3F, 0x7D, 0x28, 0xE1, 0x7F, 0x72 },
borlanic 0:fbdae7e6d805 434 { 0xF9, 0x6B, 0x69, 0x7D, 0x7C, 0xB7, 0x93, 0x8D,
borlanic 0:fbdae7e6d805 435 0x52, 0x5A, 0x2F, 0x31, 0xAA, 0xF1, 0x61, 0xD0 },
borlanic 0:fbdae7e6d805 436 { 0xC3, 0xFC, 0xD3, 0xD7, 0x61, 0x92, 0xE4, 0x00,
borlanic 0:fbdae7e6d805 437 0x7D, 0xFB, 0x49, 0x6C, 0xCA, 0x67, 0xE1, 0x3B },
borlanic 0:fbdae7e6d805 438 { 0xD1, 0x74, 0xAB, 0x98, 0xD2, 0x77, 0xD9, 0xF5,
borlanic 0:fbdae7e6d805 439 0xA5, 0x61, 0x1C, 0x2C, 0x9F, 0x41, 0x9D, 0x9F },
borlanic 0:fbdae7e6d805 440 { 0x57, 0xED, 0xF4, 0xA2, 0x2B, 0xE3, 0xC9, 0x55,
borlanic 0:fbdae7e6d805 441 0xAC, 0x49, 0xDA, 0x2E, 0x21, 0x07, 0xB6, 0x7A }
borlanic 0:fbdae7e6d805 442 };
borlanic 0:fbdae7e6d805 443
borlanic 0:fbdae7e6d805 444 /*
borlanic 0:fbdae7e6d805 445 * Checkup routine
borlanic 0:fbdae7e6d805 446 */
borlanic 0:fbdae7e6d805 447 int mbedtls_md5_self_test( int verbose )
borlanic 0:fbdae7e6d805 448 {
borlanic 0:fbdae7e6d805 449 int i, ret = 0;
borlanic 0:fbdae7e6d805 450 unsigned char md5sum[16];
borlanic 0:fbdae7e6d805 451
borlanic 0:fbdae7e6d805 452 for( i = 0; i < 7; i++ )
borlanic 0:fbdae7e6d805 453 {
borlanic 0:fbdae7e6d805 454 if( verbose != 0 )
borlanic 0:fbdae7e6d805 455 mbedtls_printf( " MD5 test #%d: ", i + 1 );
borlanic 0:fbdae7e6d805 456
borlanic 0:fbdae7e6d805 457 ret = mbedtls_md5_ret( md5_test_buf[i], md5_test_buflen[i], md5sum );
borlanic 0:fbdae7e6d805 458 if( ret != 0 )
borlanic 0:fbdae7e6d805 459 goto fail;
borlanic 0:fbdae7e6d805 460
borlanic 0:fbdae7e6d805 461 if( memcmp( md5sum, md5_test_sum[i], 16 ) != 0 )
borlanic 0:fbdae7e6d805 462 {
borlanic 0:fbdae7e6d805 463 ret = 1;
borlanic 0:fbdae7e6d805 464 goto fail;
borlanic 0:fbdae7e6d805 465 }
borlanic 0:fbdae7e6d805 466
borlanic 0:fbdae7e6d805 467 if( verbose != 0 )
borlanic 0:fbdae7e6d805 468 mbedtls_printf( "passed\n" );
borlanic 0:fbdae7e6d805 469 }
borlanic 0:fbdae7e6d805 470
borlanic 0:fbdae7e6d805 471 if( verbose != 0 )
borlanic 0:fbdae7e6d805 472 mbedtls_printf( "\n" );
borlanic 0:fbdae7e6d805 473
borlanic 0:fbdae7e6d805 474 return( 0 );
borlanic 0:fbdae7e6d805 475
borlanic 0:fbdae7e6d805 476 fail:
borlanic 0:fbdae7e6d805 477 if( verbose != 0 )
borlanic 0:fbdae7e6d805 478 mbedtls_printf( "failed\n" );
borlanic 0:fbdae7e6d805 479
borlanic 0:fbdae7e6d805 480 return( ret );
borlanic 0:fbdae7e6d805 481 }
borlanic 0:fbdae7e6d805 482
borlanic 0:fbdae7e6d805 483 #endif /* MBEDTLS_SELF_TEST */
borlanic 0:fbdae7e6d805 484
borlanic 0:fbdae7e6d805 485 #endif /* MBEDTLS_MD5_C */