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Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

features/mbedtls/src/md5.c@1:f30bdcd2b33b, 2017-02-27 (annotated)

Committer:
jacobjohnson
Date:
Mon Feb 27 17:45:05 2017 +0000
Revision:
1:f30bdcd2b33b
Parent:
0:098463de4c5d 
changed the inputscale from 1 to 7 in analogin_api.c.  This will need to be changed later, and accessed from the main level, but for now this allows the  adc to read a value from 0 to 3.7V, instead of just up to 1V.;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 /*
group-onsemi 0:098463de4c5d 2 * RFC 1321 compliant MD5 implementation
group-onsemi 0:098463de4c5d 3 *
group-onsemi 0:098463de4c5d 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
group-onsemi 0:098463de4c5d 5 * SPDX-License-Identifier: Apache-2.0
group-onsemi 0:098463de4c5d 6 *
group-onsemi 0:098463de4c5d 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
group-onsemi 0:098463de4c5d 8 * not use this file except in compliance with the License.
group-onsemi 0:098463de4c5d 9 * You may obtain a copy of the License at
group-onsemi 0:098463de4c5d 10 *
group-onsemi 0:098463de4c5d 11 * http://www.apache.org/licenses/LICENSE-2.0
group-onsemi 0:098463de4c5d 12 *
group-onsemi 0:098463de4c5d 13 * Unless required by applicable law or agreed to in writing, software
group-onsemi 0:098463de4c5d 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
group-onsemi 0:098463de4c5d 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-onsemi 0:098463de4c5d 16 * See the License for the specific language governing permissions and
group-onsemi 0:098463de4c5d 17 * limitations under the License.
group-onsemi 0:098463de4c5d 18 *
group-onsemi 0:098463de4c5d 19 * This file is part of mbed TLS (https://tls.mbed.org)
group-onsemi 0:098463de4c5d 20 */
group-onsemi 0:098463de4c5d 21 /*
group-onsemi 0:098463de4c5d 22 * The MD5 algorithm was designed by Ron Rivest in 1991.
group-onsemi 0:098463de4c5d 23 *
group-onsemi 0:098463de4c5d 24 * http://www.ietf.org/rfc/rfc1321.txt
group-onsemi 0:098463de4c5d 25 */
group-onsemi 0:098463de4c5d 26
group-onsemi 0:098463de4c5d 27 #if !defined(MBEDTLS_CONFIG_FILE)
group-onsemi 0:098463de4c5d 28 #include "mbedtls/config.h"
group-onsemi 0:098463de4c5d 29 #else
group-onsemi 0:098463de4c5d 30 #include MBEDTLS_CONFIG_FILE
group-onsemi 0:098463de4c5d 31 #endif
group-onsemi 0:098463de4c5d 32
group-onsemi 0:098463de4c5d 33 #if defined(MBEDTLS_MD5_C)
group-onsemi 0:098463de4c5d 34
group-onsemi 0:098463de4c5d 35 #include "mbedtls/md5.h"
group-onsemi 0:098463de4c5d 36
group-onsemi 0:098463de4c5d 37 #include <string.h>
group-onsemi 0:098463de4c5d 38
group-onsemi 0:098463de4c5d 39 #if defined(MBEDTLS_SELF_TEST)
group-onsemi 0:098463de4c5d 40 #if defined(MBEDTLS_PLATFORM_C)
group-onsemi 0:098463de4c5d 41 #include "mbedtls/platform.h"
group-onsemi 0:098463de4c5d 42 #else
group-onsemi 0:098463de4c5d 43 #include <stdio.h>
group-onsemi 0:098463de4c5d 44 #define mbedtls_printf printf
group-onsemi 0:098463de4c5d 45 #endif /* MBEDTLS_PLATFORM_C */
group-onsemi 0:098463de4c5d 46 #endif /* MBEDTLS_SELF_TEST */
group-onsemi 0:098463de4c5d 47
group-onsemi 0:098463de4c5d 48 #if !defined(MBEDTLS_MD5_ALT)
group-onsemi 0:098463de4c5d 49
group-onsemi 0:098463de4c5d 50 /* Implementation that should never be optimized out by the compiler */
group-onsemi 0:098463de4c5d 51 static void mbedtls_zeroize( void *v, size_t n ) {
group-onsemi 0:098463de4c5d 52 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
group-onsemi 0:098463de4c5d 53 }
group-onsemi 0:098463de4c5d 54
group-onsemi 0:098463de4c5d 55 /*
group-onsemi 0:098463de4c5d 56 * 32-bit integer manipulation macros (little endian)
group-onsemi 0:098463de4c5d 57 */
group-onsemi 0:098463de4c5d 58 #ifndef GET_UINT32_LE
group-onsemi 0:098463de4c5d 59 #define GET_UINT32_LE(n,b,i) \
group-onsemi 0:098463de4c5d 60 { \
group-onsemi 0:098463de4c5d 61 (n) = ( (uint32_t) (b)[(i) ] ) \
group-onsemi 0:098463de4c5d 62 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
group-onsemi 0:098463de4c5d 63 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
group-onsemi 0:098463de4c5d 64 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
group-onsemi 0:098463de4c5d 65 }
group-onsemi 0:098463de4c5d 66 #endif
group-onsemi 0:098463de4c5d 67
group-onsemi 0:098463de4c5d 68 #ifndef PUT_UINT32_LE
group-onsemi 0:098463de4c5d 69 #define PUT_UINT32_LE(n,b,i) \
group-onsemi 0:098463de4c5d 70 { \
group-onsemi 0:098463de4c5d 71 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
group-onsemi 0:098463de4c5d 72 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
group-onsemi 0:098463de4c5d 73 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
group-onsemi 0:098463de4c5d 74 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
group-onsemi 0:098463de4c5d 75 }
group-onsemi 0:098463de4c5d 76 #endif
group-onsemi 0:098463de4c5d 77
group-onsemi 0:098463de4c5d 78 void mbedtls_md5_init( mbedtls_md5_context *ctx )
group-onsemi 0:098463de4c5d 79 {
group-onsemi 0:098463de4c5d 80 memset( ctx, 0, sizeof( mbedtls_md5_context ) );
group-onsemi 0:098463de4c5d 81 }
group-onsemi 0:098463de4c5d 82
group-onsemi 0:098463de4c5d 83 void mbedtls_md5_free( mbedtls_md5_context *ctx )
group-onsemi 0:098463de4c5d 84 {
group-onsemi 0:098463de4c5d 85 if( ctx == NULL )
group-onsemi 0:098463de4c5d 86 return;
group-onsemi 0:098463de4c5d 87
group-onsemi 0:098463de4c5d 88 mbedtls_zeroize( ctx, sizeof( mbedtls_md5_context ) );
group-onsemi 0:098463de4c5d 89 }
group-onsemi 0:098463de4c5d 90
group-onsemi 0:098463de4c5d 91 void mbedtls_md5_clone( mbedtls_md5_context *dst,
group-onsemi 0:098463de4c5d 92 const mbedtls_md5_context *src )
group-onsemi 0:098463de4c5d 93 {
group-onsemi 0:098463de4c5d 94 *dst = *src;
group-onsemi 0:098463de4c5d 95 }
group-onsemi 0:098463de4c5d 96
group-onsemi 0:098463de4c5d 97 /*
group-onsemi 0:098463de4c5d 98 * MD5 context setup
group-onsemi 0:098463de4c5d 99 */
group-onsemi 0:098463de4c5d 100 void mbedtls_md5_starts( mbedtls_md5_context *ctx )
group-onsemi 0:098463de4c5d 101 {
group-onsemi 0:098463de4c5d 102 ctx->total[0] = 0;
group-onsemi 0:098463de4c5d 103 ctx->total[1] = 0;
group-onsemi 0:098463de4c5d 104
group-onsemi 0:098463de4c5d 105 ctx->state[0] = 0x67452301;
group-onsemi 0:098463de4c5d 106 ctx->state[1] = 0xEFCDAB89;
group-onsemi 0:098463de4c5d 107 ctx->state[2] = 0x98BADCFE;
group-onsemi 0:098463de4c5d 108 ctx->state[3] = 0x10325476;
group-onsemi 0:098463de4c5d 109 }
group-onsemi 0:098463de4c5d 110
group-onsemi 0:098463de4c5d 111 #if !defined(MBEDTLS_MD5_PROCESS_ALT)
group-onsemi 0:098463de4c5d 112 void mbedtls_md5_process( mbedtls_md5_context *ctx, const unsigned char data[64] )
group-onsemi 0:098463de4c5d 113 {
group-onsemi 0:098463de4c5d 114 uint32_t X[16], A, B, C, D;
group-onsemi 0:098463de4c5d 115
group-onsemi 0:098463de4c5d 116 GET_UINT32_LE( X[ 0], data, 0 );
group-onsemi 0:098463de4c5d 117 GET_UINT32_LE( X[ 1], data, 4 );
group-onsemi 0:098463de4c5d 118 GET_UINT32_LE( X[ 2], data, 8 );
group-onsemi 0:098463de4c5d 119 GET_UINT32_LE( X[ 3], data, 12 );
group-onsemi 0:098463de4c5d 120 GET_UINT32_LE( X[ 4], data, 16 );
group-onsemi 0:098463de4c5d 121 GET_UINT32_LE( X[ 5], data, 20 );
group-onsemi 0:098463de4c5d 122 GET_UINT32_LE( X[ 6], data, 24 );
group-onsemi 0:098463de4c5d 123 GET_UINT32_LE( X[ 7], data, 28 );
group-onsemi 0:098463de4c5d 124 GET_UINT32_LE( X[ 8], data, 32 );
group-onsemi 0:098463de4c5d 125 GET_UINT32_LE( X[ 9], data, 36 );
group-onsemi 0:098463de4c5d 126 GET_UINT32_LE( X[10], data, 40 );
group-onsemi 0:098463de4c5d 127 GET_UINT32_LE( X[11], data, 44 );
group-onsemi 0:098463de4c5d 128 GET_UINT32_LE( X[12], data, 48 );
group-onsemi 0:098463de4c5d 129 GET_UINT32_LE( X[13], data, 52 );
group-onsemi 0:098463de4c5d 130 GET_UINT32_LE( X[14], data, 56 );
group-onsemi 0:098463de4c5d 131 GET_UINT32_LE( X[15], data, 60 );
group-onsemi 0:098463de4c5d 132
group-onsemi 0:098463de4c5d 133 #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
group-onsemi 0:098463de4c5d 134
group-onsemi 0:098463de4c5d 135 #define P(a,b,c,d,k,s,t) \
group-onsemi 0:098463de4c5d 136 { \
group-onsemi 0:098463de4c5d 137 a += F(b,c,d) + X[k] + t; a = S(a,s) + b; \
group-onsemi 0:098463de4c5d 138 }
group-onsemi 0:098463de4c5d 139
group-onsemi 0:098463de4c5d 140 A = ctx->state[0];
group-onsemi 0:098463de4c5d 141 B = ctx->state[1];
group-onsemi 0:098463de4c5d 142 C = ctx->state[2];
group-onsemi 0:098463de4c5d 143 D = ctx->state[3];
group-onsemi 0:098463de4c5d 144
group-onsemi 0:098463de4c5d 145 #define F(x,y,z) (z ^ (x & (y ^ z)))
group-onsemi 0:098463de4c5d 146
group-onsemi 0:098463de4c5d 147 P( A, B, C, D, 0, 7, 0xD76AA478 );
group-onsemi 0:098463de4c5d 148 P( D, A, B, C, 1, 12, 0xE8C7B756 );
group-onsemi 0:098463de4c5d 149 P( C, D, A, B, 2, 17, 0x242070DB );
group-onsemi 0:098463de4c5d 150 P( B, C, D, A, 3, 22, 0xC1BDCEEE );
group-onsemi 0:098463de4c5d 151 P( A, B, C, D, 4, 7, 0xF57C0FAF );
group-onsemi 0:098463de4c5d 152 P( D, A, B, C, 5, 12, 0x4787C62A );
group-onsemi 0:098463de4c5d 153 P( C, D, A, B, 6, 17, 0xA8304613 );
group-onsemi 0:098463de4c5d 154 P( B, C, D, A, 7, 22, 0xFD469501 );
group-onsemi 0:098463de4c5d 155 P( A, B, C, D, 8, 7, 0x698098D8 );
group-onsemi 0:098463de4c5d 156 P( D, A, B, C, 9, 12, 0x8B44F7AF );
group-onsemi 0:098463de4c5d 157 P( C, D, A, B, 10, 17, 0xFFFF5BB1 );
group-onsemi 0:098463de4c5d 158 P( B, C, D, A, 11, 22, 0x895CD7BE );
group-onsemi 0:098463de4c5d 159 P( A, B, C, D, 12, 7, 0x6B901122 );
group-onsemi 0:098463de4c5d 160 P( D, A, B, C, 13, 12, 0xFD987193 );
group-onsemi 0:098463de4c5d 161 P( C, D, A, B, 14, 17, 0xA679438E );
group-onsemi 0:098463de4c5d 162 P( B, C, D, A, 15, 22, 0x49B40821 );
group-onsemi 0:098463de4c5d 163
group-onsemi 0:098463de4c5d 164 #undef F
group-onsemi 0:098463de4c5d 165
group-onsemi 0:098463de4c5d 166 #define F(x,y,z) (y ^ (z & (x ^ y)))
group-onsemi 0:098463de4c5d 167
group-onsemi 0:098463de4c5d 168 P( A, B, C, D, 1, 5, 0xF61E2562 );
group-onsemi 0:098463de4c5d 169 P( D, A, B, C, 6, 9, 0xC040B340 );
group-onsemi 0:098463de4c5d 170 P( C, D, A, B, 11, 14, 0x265E5A51 );
group-onsemi 0:098463de4c5d 171 P( B, C, D, A, 0, 20, 0xE9B6C7AA );
group-onsemi 0:098463de4c5d 172 P( A, B, C, D, 5, 5, 0xD62F105D );
group-onsemi 0:098463de4c5d 173 P( D, A, B, C, 10, 9, 0x02441453 );
group-onsemi 0:098463de4c5d 174 P( C, D, A, B, 15, 14, 0xD8A1E681 );
group-onsemi 0:098463de4c5d 175 P( B, C, D, A, 4, 20, 0xE7D3FBC8 );
group-onsemi 0:098463de4c5d 176 P( A, B, C, D, 9, 5, 0x21E1CDE6 );
group-onsemi 0:098463de4c5d 177 P( D, A, B, C, 14, 9, 0xC33707D6 );
group-onsemi 0:098463de4c5d 178 P( C, D, A, B, 3, 14, 0xF4D50D87 );
group-onsemi 0:098463de4c5d 179 P( B, C, D, A, 8, 20, 0x455A14ED );
group-onsemi 0:098463de4c5d 180 P( A, B, C, D, 13, 5, 0xA9E3E905 );
group-onsemi 0:098463de4c5d 181 P( D, A, B, C, 2, 9, 0xFCEFA3F8 );
group-onsemi 0:098463de4c5d 182 P( C, D, A, B, 7, 14, 0x676F02D9 );
group-onsemi 0:098463de4c5d 183 P( B, C, D, A, 12, 20, 0x8D2A4C8A );
group-onsemi 0:098463de4c5d 184
group-onsemi 0:098463de4c5d 185 #undef F
group-onsemi 0:098463de4c5d 186
group-onsemi 0:098463de4c5d 187 #define F(x,y,z) (x ^ y ^ z)
group-onsemi 0:098463de4c5d 188
group-onsemi 0:098463de4c5d 189 P( A, B, C, D, 5, 4, 0xFFFA3942 );
group-onsemi 0:098463de4c5d 190 P( D, A, B, C, 8, 11, 0x8771F681 );
group-onsemi 0:098463de4c5d 191 P( C, D, A, B, 11, 16, 0x6D9D6122 );
group-onsemi 0:098463de4c5d 192 P( B, C, D, A, 14, 23, 0xFDE5380C );
group-onsemi 0:098463de4c5d 193 P( A, B, C, D, 1, 4, 0xA4BEEA44 );
group-onsemi 0:098463de4c5d 194 P( D, A, B, C, 4, 11, 0x4BDECFA9 );
group-onsemi 0:098463de4c5d 195 P( C, D, A, B, 7, 16, 0xF6BB4B60 );
group-onsemi 0:098463de4c5d 196 P( B, C, D, A, 10, 23, 0xBEBFBC70 );
group-onsemi 0:098463de4c5d 197 P( A, B, C, D, 13, 4, 0x289B7EC6 );
group-onsemi 0:098463de4c5d 198 P( D, A, B, C, 0, 11, 0xEAA127FA );
group-onsemi 0:098463de4c5d 199 P( C, D, A, B, 3, 16, 0xD4EF3085 );
group-onsemi 0:098463de4c5d 200 P( B, C, D, A, 6, 23, 0x04881D05 );
group-onsemi 0:098463de4c5d 201 P( A, B, C, D, 9, 4, 0xD9D4D039 );
group-onsemi 0:098463de4c5d 202 P( D, A, B, C, 12, 11, 0xE6DB99E5 );
group-onsemi 0:098463de4c5d 203 P( C, D, A, B, 15, 16, 0x1FA27CF8 );
group-onsemi 0:098463de4c5d 204 P( B, C, D, A, 2, 23, 0xC4AC5665 );
group-onsemi 0:098463de4c5d 205
group-onsemi 0:098463de4c5d 206 #undef F
group-onsemi 0:098463de4c5d 207
group-onsemi 0:098463de4c5d 208 #define F(x,y,z) (y ^ (x | ~z))
group-onsemi 0:098463de4c5d 209
group-onsemi 0:098463de4c5d 210 P( A, B, C, D, 0, 6, 0xF4292244 );
group-onsemi 0:098463de4c5d 211 P( D, A, B, C, 7, 10, 0x432AFF97 );
group-onsemi 0:098463de4c5d 212 P( C, D, A, B, 14, 15, 0xAB9423A7 );
group-onsemi 0:098463de4c5d 213 P( B, C, D, A, 5, 21, 0xFC93A039 );
group-onsemi 0:098463de4c5d 214 P( A, B, C, D, 12, 6, 0x655B59C3 );
group-onsemi 0:098463de4c5d 215 P( D, A, B, C, 3, 10, 0x8F0CCC92 );
group-onsemi 0:098463de4c5d 216 P( C, D, A, B, 10, 15, 0xFFEFF47D );
group-onsemi 0:098463de4c5d 217 P( B, C, D, A, 1, 21, 0x85845DD1 );
group-onsemi 0:098463de4c5d 218 P( A, B, C, D, 8, 6, 0x6FA87E4F );
group-onsemi 0:098463de4c5d 219 P( D, A, B, C, 15, 10, 0xFE2CE6E0 );
group-onsemi 0:098463de4c5d 220 P( C, D, A, B, 6, 15, 0xA3014314 );
group-onsemi 0:098463de4c5d 221 P( B, C, D, A, 13, 21, 0x4E0811A1 );
group-onsemi 0:098463de4c5d 222 P( A, B, C, D, 4, 6, 0xF7537E82 );
group-onsemi 0:098463de4c5d 223 P( D, A, B, C, 11, 10, 0xBD3AF235 );
group-onsemi 0:098463de4c5d 224 P( C, D, A, B, 2, 15, 0x2AD7D2BB );
group-onsemi 0:098463de4c5d 225 P( B, C, D, A, 9, 21, 0xEB86D391 );
group-onsemi 0:098463de4c5d 226
group-onsemi 0:098463de4c5d 227 #undef F
group-onsemi 0:098463de4c5d 228
group-onsemi 0:098463de4c5d 229 ctx->state[0] += A;
group-onsemi 0:098463de4c5d 230 ctx->state[1] += B;
group-onsemi 0:098463de4c5d 231 ctx->state[2] += C;
group-onsemi 0:098463de4c5d 232 ctx->state[3] += D;
group-onsemi 0:098463de4c5d 233 }
group-onsemi 0:098463de4c5d 234 #endif /* !MBEDTLS_MD5_PROCESS_ALT */
group-onsemi 0:098463de4c5d 235
group-onsemi 0:098463de4c5d 236 /*
group-onsemi 0:098463de4c5d 237 * MD5 process buffer
group-onsemi 0:098463de4c5d 238 */
group-onsemi 0:098463de4c5d 239 void mbedtls_md5_update( mbedtls_md5_context *ctx, const unsigned char *input, size_t ilen )
group-onsemi 0:098463de4c5d 240 {
group-onsemi 0:098463de4c5d 241 size_t fill;
group-onsemi 0:098463de4c5d 242 uint32_t left;
group-onsemi 0:098463de4c5d 243
group-onsemi 0:098463de4c5d 244 if( ilen == 0 )
group-onsemi 0:098463de4c5d 245 return;
group-onsemi 0:098463de4c5d 246
group-onsemi 0:098463de4c5d 247 left = ctx->total[0] & 0x3F;
group-onsemi 0:098463de4c5d 248 fill = 64 - left;
group-onsemi 0:098463de4c5d 249
group-onsemi 0:098463de4c5d 250 ctx->total[0] += (uint32_t) ilen;
group-onsemi 0:098463de4c5d 251 ctx->total[0] &= 0xFFFFFFFF;
group-onsemi 0:098463de4c5d 252
group-onsemi 0:098463de4c5d 253 if( ctx->total[0] < (uint32_t) ilen )
group-onsemi 0:098463de4c5d 254 ctx->total[1]++;
group-onsemi 0:098463de4c5d 255
group-onsemi 0:098463de4c5d 256 if( left && ilen >= fill )
group-onsemi 0:098463de4c5d 257 {
group-onsemi 0:098463de4c5d 258 memcpy( (void *) (ctx->buffer + left), input, fill );
group-onsemi 0:098463de4c5d 259 mbedtls_md5_process( ctx, ctx->buffer );
group-onsemi 0:098463de4c5d 260 input += fill;
group-onsemi 0:098463de4c5d 261 ilen -= fill;
group-onsemi 0:098463de4c5d 262 left = 0;
group-onsemi 0:098463de4c5d 263 }
group-onsemi 0:098463de4c5d 264
group-onsemi 0:098463de4c5d 265 while( ilen >= 64 )
group-onsemi 0:098463de4c5d 266 {
group-onsemi 0:098463de4c5d 267 mbedtls_md5_process( ctx, input );
group-onsemi 0:098463de4c5d 268 input += 64;
group-onsemi 0:098463de4c5d 269 ilen -= 64;
group-onsemi 0:098463de4c5d 270 }
group-onsemi 0:098463de4c5d 271
group-onsemi 0:098463de4c5d 272 if( ilen > 0 )
group-onsemi 0:098463de4c5d 273 {
group-onsemi 0:098463de4c5d 274 memcpy( (void *) (ctx->buffer + left), input, ilen );
group-onsemi 0:098463de4c5d 275 }
group-onsemi 0:098463de4c5d 276 }
group-onsemi 0:098463de4c5d 277
group-onsemi 0:098463de4c5d 278 static const unsigned char md5_padding[64] =
group-onsemi 0:098463de4c5d 279 {
group-onsemi 0:098463de4c5d 280 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
group-onsemi 0:098463de4c5d 281 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
group-onsemi 0:098463de4c5d 282 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
group-onsemi 0:098463de4c5d 283 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
group-onsemi 0:098463de4c5d 284 };
group-onsemi 0:098463de4c5d 285
group-onsemi 0:098463de4c5d 286 /*
group-onsemi 0:098463de4c5d 287 * MD5 final digest
group-onsemi 0:098463de4c5d 288 */
group-onsemi 0:098463de4c5d 289 void mbedtls_md5_finish( mbedtls_md5_context *ctx, unsigned char output[16] )
group-onsemi 0:098463de4c5d 290 {
group-onsemi 0:098463de4c5d 291 uint32_t last, padn;
group-onsemi 0:098463de4c5d 292 uint32_t high, low;
group-onsemi 0:098463de4c5d 293 unsigned char msglen[8];
group-onsemi 0:098463de4c5d 294
group-onsemi 0:098463de4c5d 295 high = ( ctx->total[0] >> 29 )
group-onsemi 0:098463de4c5d 296 | ( ctx->total[1] << 3 );
group-onsemi 0:098463de4c5d 297 low = ( ctx->total[0] << 3 );
group-onsemi 0:098463de4c5d 298
group-onsemi 0:098463de4c5d 299 PUT_UINT32_LE( low, msglen, 0 );
group-onsemi 0:098463de4c5d 300 PUT_UINT32_LE( high, msglen, 4 );
group-onsemi 0:098463de4c5d 301
group-onsemi 0:098463de4c5d 302 last = ctx->total[0] & 0x3F;
group-onsemi 0:098463de4c5d 303 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
group-onsemi 0:098463de4c5d 304
group-onsemi 0:098463de4c5d 305 mbedtls_md5_update( ctx, md5_padding, padn );
group-onsemi 0:098463de4c5d 306 mbedtls_md5_update( ctx, msglen, 8 );
group-onsemi 0:098463de4c5d 307
group-onsemi 0:098463de4c5d 308 PUT_UINT32_LE( ctx->state[0], output, 0 );
group-onsemi 0:098463de4c5d 309 PUT_UINT32_LE( ctx->state[1], output, 4 );
group-onsemi 0:098463de4c5d 310 PUT_UINT32_LE( ctx->state[2], output, 8 );
group-onsemi 0:098463de4c5d 311 PUT_UINT32_LE( ctx->state[3], output, 12 );
group-onsemi 0:098463de4c5d 312 }
group-onsemi 0:098463de4c5d 313
group-onsemi 0:098463de4c5d 314 #endif /* !MBEDTLS_MD5_ALT */
group-onsemi 0:098463de4c5d 315
group-onsemi 0:098463de4c5d 316 /*
group-onsemi 0:098463de4c5d 317 * output = MD5( input buffer )
group-onsemi 0:098463de4c5d 318 */
group-onsemi 0:098463de4c5d 319 void mbedtls_md5( const unsigned char *input, size_t ilen, unsigned char output[16] )
group-onsemi 0:098463de4c5d 320 {
group-onsemi 0:098463de4c5d 321 mbedtls_md5_context ctx;
group-onsemi 0:098463de4c5d 322
group-onsemi 0:098463de4c5d 323 mbedtls_md5_init( &ctx );
group-onsemi 0:098463de4c5d 324 mbedtls_md5_starts( &ctx );
group-onsemi 0:098463de4c5d 325 mbedtls_md5_update( &ctx, input, ilen );
group-onsemi 0:098463de4c5d 326 mbedtls_md5_finish( &ctx, output );
group-onsemi 0:098463de4c5d 327 mbedtls_md5_free( &ctx );
group-onsemi 0:098463de4c5d 328 }
group-onsemi 0:098463de4c5d 329
group-onsemi 0:098463de4c5d 330 #if defined(MBEDTLS_SELF_TEST)
group-onsemi 0:098463de4c5d 331 /*
group-onsemi 0:098463de4c5d 332 * RFC 1321 test vectors
group-onsemi 0:098463de4c5d 333 */
group-onsemi 0:098463de4c5d 334 static const unsigned char md5_test_buf[7][81] =
group-onsemi 0:098463de4c5d 335 {
group-onsemi 0:098463de4c5d 336 { "" },
group-onsemi 0:098463de4c5d 337 { "a" },
group-onsemi 0:098463de4c5d 338 { "abc" },
group-onsemi 0:098463de4c5d 339 { "message digest" },
group-onsemi 0:098463de4c5d 340 { "abcdefghijklmnopqrstuvwxyz" },
group-onsemi 0:098463de4c5d 341 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
group-onsemi 0:098463de4c5d 342 { "12345678901234567890123456789012345678901234567890123456789012" \
group-onsemi 0:098463de4c5d 343 "345678901234567890" }
group-onsemi 0:098463de4c5d 344 };
group-onsemi 0:098463de4c5d 345
group-onsemi 0:098463de4c5d 346 static const int md5_test_buflen[7] =
group-onsemi 0:098463de4c5d 347 {
group-onsemi 0:098463de4c5d 348 0, 1, 3, 14, 26, 62, 80
group-onsemi 0:098463de4c5d 349 };
group-onsemi 0:098463de4c5d 350
group-onsemi 0:098463de4c5d 351 static const unsigned char md5_test_sum[7][16] =
group-onsemi 0:098463de4c5d 352 {
group-onsemi 0:098463de4c5d 353 { 0xD4, 0x1D, 0x8C, 0xD9, 0x8F, 0x00, 0xB2, 0x04,
group-onsemi 0:098463de4c5d 354 0xE9, 0x80, 0x09, 0x98, 0xEC, 0xF8, 0x42, 0x7E },
group-onsemi 0:098463de4c5d 355 { 0x0C, 0xC1, 0x75, 0xB9, 0xC0, 0xF1, 0xB6, 0xA8,
group-onsemi 0:098463de4c5d 356 0x31, 0xC3, 0x99, 0xE2, 0x69, 0x77, 0x26, 0x61 },
group-onsemi 0:098463de4c5d 357 { 0x90, 0x01, 0x50, 0x98, 0x3C, 0xD2, 0x4F, 0xB0,
group-onsemi 0:098463de4c5d 358 0xD6, 0x96, 0x3F, 0x7D, 0x28, 0xE1, 0x7F, 0x72 },
group-onsemi 0:098463de4c5d 359 { 0xF9, 0x6B, 0x69, 0x7D, 0x7C, 0xB7, 0x93, 0x8D,
group-onsemi 0:098463de4c5d 360 0x52, 0x5A, 0x2F, 0x31, 0xAA, 0xF1, 0x61, 0xD0 },
group-onsemi 0:098463de4c5d 361 { 0xC3, 0xFC, 0xD3, 0xD7, 0x61, 0x92, 0xE4, 0x00,
group-onsemi 0:098463de4c5d 362 0x7D, 0xFB, 0x49, 0x6C, 0xCA, 0x67, 0xE1, 0x3B },
group-onsemi 0:098463de4c5d 363 { 0xD1, 0x74, 0xAB, 0x98, 0xD2, 0x77, 0xD9, 0xF5,
group-onsemi 0:098463de4c5d 364 0xA5, 0x61, 0x1C, 0x2C, 0x9F, 0x41, 0x9D, 0x9F },
group-onsemi 0:098463de4c5d 365 { 0x57, 0xED, 0xF4, 0xA2, 0x2B, 0xE3, 0xC9, 0x55,
group-onsemi 0:098463de4c5d 366 0xAC, 0x49, 0xDA, 0x2E, 0x21, 0x07, 0xB6, 0x7A }
group-onsemi 0:098463de4c5d 367 };
group-onsemi 0:098463de4c5d 368
group-onsemi 0:098463de4c5d 369 /*
group-onsemi 0:098463de4c5d 370 * Checkup routine
group-onsemi 0:098463de4c5d 371 */
group-onsemi 0:098463de4c5d 372 int mbedtls_md5_self_test( int verbose )
group-onsemi 0:098463de4c5d 373 {
group-onsemi 0:098463de4c5d 374 int i;
group-onsemi 0:098463de4c5d 375 unsigned char md5sum[16];
group-onsemi 0:098463de4c5d 376
group-onsemi 0:098463de4c5d 377 for( i = 0; i < 7; i++ )
group-onsemi 0:098463de4c5d 378 {
group-onsemi 0:098463de4c5d 379 if( verbose != 0 )
group-onsemi 0:098463de4c5d 380 mbedtls_printf( " MD5 test #%d: ", i + 1 );
group-onsemi 0:098463de4c5d 381
group-onsemi 0:098463de4c5d 382 mbedtls_md5( md5_test_buf[i], md5_test_buflen[i], md5sum );
group-onsemi 0:098463de4c5d 383
group-onsemi 0:098463de4c5d 384 if( memcmp( md5sum, md5_test_sum[i], 16 ) != 0 )
group-onsemi 0:098463de4c5d 385 {
group-onsemi 0:098463de4c5d 386 if( verbose != 0 )
group-onsemi 0:098463de4c5d 387 mbedtls_printf( "failed\n" );
group-onsemi 0:098463de4c5d 388
group-onsemi 0:098463de4c5d 389 return( 1 );
group-onsemi 0:098463de4c5d 390 }
group-onsemi 0:098463de4c5d 391
group-onsemi 0:098463de4c5d 392 if( verbose != 0 )
group-onsemi 0:098463de4c5d 393 mbedtls_printf( "passed\n" );
group-onsemi 0:098463de4c5d 394 }
group-onsemi 0:098463de4c5d 395
group-onsemi 0:098463de4c5d 396 if( verbose != 0 )
group-onsemi 0:098463de4c5d 397 mbedtls_printf( "\n" );
group-onsemi 0:098463de4c5d 398
group-onsemi 0:098463de4c5d 399 return( 0 );
group-onsemi 0:098463de4c5d 400 }
group-onsemi 0:098463de4c5d 401
group-onsemi 0:098463de4c5d 402 #endif /* MBEDTLS_SELF_TEST */
group-onsemi 0:098463de4c5d 403
group-onsemi 0:098463de4c5d 404 #endif /* MBEDTLS_MD5_C */