EL4121 Embedded System / mbed-os

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features/mbedtls/src/md4.c@0:b74591d5ab33, 2017-12-11 (annotated)

Committer:
be_bryan
Date:
Mon Dec 11 17:54:04 2017 +0000
Revision:
0:b74591d5ab33
motor ++

Who changed what in which revision?

UserRevisionLine numberNew contents of line
be_bryan 0:b74591d5ab33 1 /*
be_bryan 0:b74591d5ab33 2 * RFC 1186/1320 compliant MD4 implementation
be_bryan 0:b74591d5ab33 3 *
be_bryan 0:b74591d5ab33 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
be_bryan 0:b74591d5ab33 5 * SPDX-License-Identifier: Apache-2.0
be_bryan 0:b74591d5ab33 6 *
be_bryan 0:b74591d5ab33 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
be_bryan 0:b74591d5ab33 8 * not use this file except in compliance with the License.
be_bryan 0:b74591d5ab33 9 * You may obtain a copy of the License at
be_bryan 0:b74591d5ab33 10 *
be_bryan 0:b74591d5ab33 11 * http://www.apache.org/licenses/LICENSE-2.0
be_bryan 0:b74591d5ab33 12 *
be_bryan 0:b74591d5ab33 13 * Unless required by applicable law or agreed to in writing, software
be_bryan 0:b74591d5ab33 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
be_bryan 0:b74591d5ab33 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
be_bryan 0:b74591d5ab33 16 * See the License for the specific language governing permissions and
be_bryan 0:b74591d5ab33 17 * limitations under the License.
be_bryan 0:b74591d5ab33 18 *
be_bryan 0:b74591d5ab33 19 * This file is part of mbed TLS (https://tls.mbed.org)
be_bryan 0:b74591d5ab33 20 */
be_bryan 0:b74591d5ab33 21 /*
be_bryan 0:b74591d5ab33 22 * The MD4 algorithm was designed by Ron Rivest in 1990.
be_bryan 0:b74591d5ab33 23 *
be_bryan 0:b74591d5ab33 24 * http://www.ietf.org/rfc/rfc1186.txt
be_bryan 0:b74591d5ab33 25 * http://www.ietf.org/rfc/rfc1320.txt
be_bryan 0:b74591d5ab33 26 */
be_bryan 0:b74591d5ab33 27
be_bryan 0:b74591d5ab33 28 #if !defined(MBEDTLS_CONFIG_FILE)
be_bryan 0:b74591d5ab33 29 #include "mbedtls/config.h"
be_bryan 0:b74591d5ab33 30 #else
be_bryan 0:b74591d5ab33 31 #include MBEDTLS_CONFIG_FILE
be_bryan 0:b74591d5ab33 32 #endif
be_bryan 0:b74591d5ab33 33
be_bryan 0:b74591d5ab33 34 #if defined(MBEDTLS_MD4_C)
be_bryan 0:b74591d5ab33 35
be_bryan 0:b74591d5ab33 36 #include "mbedtls/md4.h"
be_bryan 0:b74591d5ab33 37
be_bryan 0:b74591d5ab33 38 #include <string.h>
be_bryan 0:b74591d5ab33 39
be_bryan 0:b74591d5ab33 40 #if defined(MBEDTLS_SELF_TEST)
be_bryan 0:b74591d5ab33 41 #if defined(MBEDTLS_PLATFORM_C)
be_bryan 0:b74591d5ab33 42 #include "mbedtls/platform.h"
be_bryan 0:b74591d5ab33 43 #else
be_bryan 0:b74591d5ab33 44 #include <stdio.h>
be_bryan 0:b74591d5ab33 45 #define mbedtls_printf printf
be_bryan 0:b74591d5ab33 46 #endif /* MBEDTLS_PLATFORM_C */
be_bryan 0:b74591d5ab33 47 #endif /* MBEDTLS_SELF_TEST */
be_bryan 0:b74591d5ab33 48
be_bryan 0:b74591d5ab33 49 #if !defined(MBEDTLS_MD4_ALT)
be_bryan 0:b74591d5ab33 50
be_bryan 0:b74591d5ab33 51 /* Implementation that should never be optimized out by the compiler */
be_bryan 0:b74591d5ab33 52 static void mbedtls_zeroize( void *v, size_t n ) {
be_bryan 0:b74591d5ab33 53 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
be_bryan 0:b74591d5ab33 54 }
be_bryan 0:b74591d5ab33 55
be_bryan 0:b74591d5ab33 56 /*
be_bryan 0:b74591d5ab33 57 * 32-bit integer manipulation macros (little endian)
be_bryan 0:b74591d5ab33 58 */
be_bryan 0:b74591d5ab33 59 #ifndef GET_UINT32_LE
be_bryan 0:b74591d5ab33 60 #define GET_UINT32_LE(n,b,i) \
be_bryan 0:b74591d5ab33 61 { \
be_bryan 0:b74591d5ab33 62 (n) = ( (uint32_t) (b)[(i) ] ) \
be_bryan 0:b74591d5ab33 63 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
be_bryan 0:b74591d5ab33 64 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
be_bryan 0:b74591d5ab33 65 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
be_bryan 0:b74591d5ab33 66 }
be_bryan 0:b74591d5ab33 67 #endif
be_bryan 0:b74591d5ab33 68
be_bryan 0:b74591d5ab33 69 #ifndef PUT_UINT32_LE
be_bryan 0:b74591d5ab33 70 #define PUT_UINT32_LE(n,b,i) \
be_bryan 0:b74591d5ab33 71 { \
be_bryan 0:b74591d5ab33 72 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
be_bryan 0:b74591d5ab33 73 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
be_bryan 0:b74591d5ab33 74 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
be_bryan 0:b74591d5ab33 75 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
be_bryan 0:b74591d5ab33 76 }
be_bryan 0:b74591d5ab33 77 #endif
be_bryan 0:b74591d5ab33 78
be_bryan 0:b74591d5ab33 79 void mbedtls_md4_init( mbedtls_md4_context *ctx )
be_bryan 0:b74591d5ab33 80 {
be_bryan 0:b74591d5ab33 81 memset( ctx, 0, sizeof( mbedtls_md4_context ) );
be_bryan 0:b74591d5ab33 82 }
be_bryan 0:b74591d5ab33 83
be_bryan 0:b74591d5ab33 84 void mbedtls_md4_free( mbedtls_md4_context *ctx )
be_bryan 0:b74591d5ab33 85 {
be_bryan 0:b74591d5ab33 86 if( ctx == NULL )
be_bryan 0:b74591d5ab33 87 return;
be_bryan 0:b74591d5ab33 88
be_bryan 0:b74591d5ab33 89 mbedtls_zeroize( ctx, sizeof( mbedtls_md4_context ) );
be_bryan 0:b74591d5ab33 90 }
be_bryan 0:b74591d5ab33 91
be_bryan 0:b74591d5ab33 92 void mbedtls_md4_clone( mbedtls_md4_context *dst,
be_bryan 0:b74591d5ab33 93 const mbedtls_md4_context *src )
be_bryan 0:b74591d5ab33 94 {
be_bryan 0:b74591d5ab33 95 *dst = *src;
be_bryan 0:b74591d5ab33 96 }
be_bryan 0:b74591d5ab33 97
be_bryan 0:b74591d5ab33 98 /*
be_bryan 0:b74591d5ab33 99 * MD4 context setup
be_bryan 0:b74591d5ab33 100 */
be_bryan 0:b74591d5ab33 101 void mbedtls_md4_starts( mbedtls_md4_context *ctx )
be_bryan 0:b74591d5ab33 102 {
be_bryan 0:b74591d5ab33 103 ctx->total[0] = 0;
be_bryan 0:b74591d5ab33 104 ctx->total[1] = 0;
be_bryan 0:b74591d5ab33 105
be_bryan 0:b74591d5ab33 106 ctx->state[0] = 0x67452301;
be_bryan 0:b74591d5ab33 107 ctx->state[1] = 0xEFCDAB89;
be_bryan 0:b74591d5ab33 108 ctx->state[2] = 0x98BADCFE;
be_bryan 0:b74591d5ab33 109 ctx->state[3] = 0x10325476;
be_bryan 0:b74591d5ab33 110 }
be_bryan 0:b74591d5ab33 111
be_bryan 0:b74591d5ab33 112 #if !defined(MBEDTLS_MD4_PROCESS_ALT)
be_bryan 0:b74591d5ab33 113 void mbedtls_md4_process( mbedtls_md4_context *ctx, const unsigned char data[64] )
be_bryan 0:b74591d5ab33 114 {
be_bryan 0:b74591d5ab33 115 uint32_t X[16], A, B, C, D;
be_bryan 0:b74591d5ab33 116
be_bryan 0:b74591d5ab33 117 GET_UINT32_LE( X[ 0], data, 0 );
be_bryan 0:b74591d5ab33 118 GET_UINT32_LE( X[ 1], data, 4 );
be_bryan 0:b74591d5ab33 119 GET_UINT32_LE( X[ 2], data, 8 );
be_bryan 0:b74591d5ab33 120 GET_UINT32_LE( X[ 3], data, 12 );
be_bryan 0:b74591d5ab33 121 GET_UINT32_LE( X[ 4], data, 16 );
be_bryan 0:b74591d5ab33 122 GET_UINT32_LE( X[ 5], data, 20 );
be_bryan 0:b74591d5ab33 123 GET_UINT32_LE( X[ 6], data, 24 );
be_bryan 0:b74591d5ab33 124 GET_UINT32_LE( X[ 7], data, 28 );
be_bryan 0:b74591d5ab33 125 GET_UINT32_LE( X[ 8], data, 32 );
be_bryan 0:b74591d5ab33 126 GET_UINT32_LE( X[ 9], data, 36 );
be_bryan 0:b74591d5ab33 127 GET_UINT32_LE( X[10], data, 40 );
be_bryan 0:b74591d5ab33 128 GET_UINT32_LE( X[11], data, 44 );
be_bryan 0:b74591d5ab33 129 GET_UINT32_LE( X[12], data, 48 );
be_bryan 0:b74591d5ab33 130 GET_UINT32_LE( X[13], data, 52 );
be_bryan 0:b74591d5ab33 131 GET_UINT32_LE( X[14], data, 56 );
be_bryan 0:b74591d5ab33 132 GET_UINT32_LE( X[15], data, 60 );
be_bryan 0:b74591d5ab33 133
be_bryan 0:b74591d5ab33 134 #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
be_bryan 0:b74591d5ab33 135
be_bryan 0:b74591d5ab33 136 A = ctx->state[0];
be_bryan 0:b74591d5ab33 137 B = ctx->state[1];
be_bryan 0:b74591d5ab33 138 C = ctx->state[2];
be_bryan 0:b74591d5ab33 139 D = ctx->state[3];
be_bryan 0:b74591d5ab33 140
be_bryan 0:b74591d5ab33 141 #define F(x, y, z) ((x & y) | ((~x) & z))
be_bryan 0:b74591d5ab33 142 #define P(a,b,c,d,x,s) { a += F(b,c,d) + x; a = S(a,s); }
be_bryan 0:b74591d5ab33 143
be_bryan 0:b74591d5ab33 144 P( A, B, C, D, X[ 0], 3 );
be_bryan 0:b74591d5ab33 145 P( D, A, B, C, X[ 1], 7 );
be_bryan 0:b74591d5ab33 146 P( C, D, A, B, X[ 2], 11 );
be_bryan 0:b74591d5ab33 147 P( B, C, D, A, X[ 3], 19 );
be_bryan 0:b74591d5ab33 148 P( A, B, C, D, X[ 4], 3 );
be_bryan 0:b74591d5ab33 149 P( D, A, B, C, X[ 5], 7 );
be_bryan 0:b74591d5ab33 150 P( C, D, A, B, X[ 6], 11 );
be_bryan 0:b74591d5ab33 151 P( B, C, D, A, X[ 7], 19 );
be_bryan 0:b74591d5ab33 152 P( A, B, C, D, X[ 8], 3 );
be_bryan 0:b74591d5ab33 153 P( D, A, B, C, X[ 9], 7 );
be_bryan 0:b74591d5ab33 154 P( C, D, A, B, X[10], 11 );
be_bryan 0:b74591d5ab33 155 P( B, C, D, A, X[11], 19 );
be_bryan 0:b74591d5ab33 156 P( A, B, C, D, X[12], 3 );
be_bryan 0:b74591d5ab33 157 P( D, A, B, C, X[13], 7 );
be_bryan 0:b74591d5ab33 158 P( C, D, A, B, X[14], 11 );
be_bryan 0:b74591d5ab33 159 P( B, C, D, A, X[15], 19 );
be_bryan 0:b74591d5ab33 160
be_bryan 0:b74591d5ab33 161 #undef P
be_bryan 0:b74591d5ab33 162 #undef F
be_bryan 0:b74591d5ab33 163
be_bryan 0:b74591d5ab33 164 #define F(x,y,z) ((x & y) | (x & z) | (y & z))
be_bryan 0:b74591d5ab33 165 #define P(a,b,c,d,x,s) { a += F(b,c,d) + x + 0x5A827999; a = S(a,s); }
be_bryan 0:b74591d5ab33 166
be_bryan 0:b74591d5ab33 167 P( A, B, C, D, X[ 0], 3 );
be_bryan 0:b74591d5ab33 168 P( D, A, B, C, X[ 4], 5 );
be_bryan 0:b74591d5ab33 169 P( C, D, A, B, X[ 8], 9 );
be_bryan 0:b74591d5ab33 170 P( B, C, D, A, X[12], 13 );
be_bryan 0:b74591d5ab33 171 P( A, B, C, D, X[ 1], 3 );
be_bryan 0:b74591d5ab33 172 P( D, A, B, C, X[ 5], 5 );
be_bryan 0:b74591d5ab33 173 P( C, D, A, B, X[ 9], 9 );
be_bryan 0:b74591d5ab33 174 P( B, C, D, A, X[13], 13 );
be_bryan 0:b74591d5ab33 175 P( A, B, C, D, X[ 2], 3 );
be_bryan 0:b74591d5ab33 176 P( D, A, B, C, X[ 6], 5 );
be_bryan 0:b74591d5ab33 177 P( C, D, A, B, X[10], 9 );
be_bryan 0:b74591d5ab33 178 P( B, C, D, A, X[14], 13 );
be_bryan 0:b74591d5ab33 179 P( A, B, C, D, X[ 3], 3 );
be_bryan 0:b74591d5ab33 180 P( D, A, B, C, X[ 7], 5 );
be_bryan 0:b74591d5ab33 181 P( C, D, A, B, X[11], 9 );
be_bryan 0:b74591d5ab33 182 P( B, C, D, A, X[15], 13 );
be_bryan 0:b74591d5ab33 183
be_bryan 0:b74591d5ab33 184 #undef P
be_bryan 0:b74591d5ab33 185 #undef F
be_bryan 0:b74591d5ab33 186
be_bryan 0:b74591d5ab33 187 #define F(x,y,z) (x ^ y ^ z)
be_bryan 0:b74591d5ab33 188 #define P(a,b,c,d,x,s) { a += F(b,c,d) + x + 0x6ED9EBA1; a = S(a,s); }
be_bryan 0:b74591d5ab33 189
be_bryan 0:b74591d5ab33 190 P( A, B, C, D, X[ 0], 3 );
be_bryan 0:b74591d5ab33 191 P( D, A, B, C, X[ 8], 9 );
be_bryan 0:b74591d5ab33 192 P( C, D, A, B, X[ 4], 11 );
be_bryan 0:b74591d5ab33 193 P( B, C, D, A, X[12], 15 );
be_bryan 0:b74591d5ab33 194 P( A, B, C, D, X[ 2], 3 );
be_bryan 0:b74591d5ab33 195 P( D, A, B, C, X[10], 9 );
be_bryan 0:b74591d5ab33 196 P( C, D, A, B, X[ 6], 11 );
be_bryan 0:b74591d5ab33 197 P( B, C, D, A, X[14], 15 );
be_bryan 0:b74591d5ab33 198 P( A, B, C, D, X[ 1], 3 );
be_bryan 0:b74591d5ab33 199 P( D, A, B, C, X[ 9], 9 );
be_bryan 0:b74591d5ab33 200 P( C, D, A, B, X[ 5], 11 );
be_bryan 0:b74591d5ab33 201 P( B, C, D, A, X[13], 15 );
be_bryan 0:b74591d5ab33 202 P( A, B, C, D, X[ 3], 3 );
be_bryan 0:b74591d5ab33 203 P( D, A, B, C, X[11], 9 );
be_bryan 0:b74591d5ab33 204 P( C, D, A, B, X[ 7], 11 );
be_bryan 0:b74591d5ab33 205 P( B, C, D, A, X[15], 15 );
be_bryan 0:b74591d5ab33 206
be_bryan 0:b74591d5ab33 207 #undef F
be_bryan 0:b74591d5ab33 208 #undef P
be_bryan 0:b74591d5ab33 209
be_bryan 0:b74591d5ab33 210 ctx->state[0] += A;
be_bryan 0:b74591d5ab33 211 ctx->state[1] += B;
be_bryan 0:b74591d5ab33 212 ctx->state[2] += C;
be_bryan 0:b74591d5ab33 213 ctx->state[3] += D;
be_bryan 0:b74591d5ab33 214 }
be_bryan 0:b74591d5ab33 215 #endif /* !MBEDTLS_MD4_PROCESS_ALT */
be_bryan 0:b74591d5ab33 216
be_bryan 0:b74591d5ab33 217 /*
be_bryan 0:b74591d5ab33 218 * MD4 process buffer
be_bryan 0:b74591d5ab33 219 */
be_bryan 0:b74591d5ab33 220 void mbedtls_md4_update( mbedtls_md4_context *ctx, const unsigned char *input, size_t ilen )
be_bryan 0:b74591d5ab33 221 {
be_bryan 0:b74591d5ab33 222 size_t fill;
be_bryan 0:b74591d5ab33 223 uint32_t left;
be_bryan 0:b74591d5ab33 224
be_bryan 0:b74591d5ab33 225 if( ilen == 0 )
be_bryan 0:b74591d5ab33 226 return;
be_bryan 0:b74591d5ab33 227
be_bryan 0:b74591d5ab33 228 left = ctx->total[0] & 0x3F;
be_bryan 0:b74591d5ab33 229 fill = 64 - left;
be_bryan 0:b74591d5ab33 230
be_bryan 0:b74591d5ab33 231 ctx->total[0] += (uint32_t) ilen;
be_bryan 0:b74591d5ab33 232 ctx->total[0] &= 0xFFFFFFFF;
be_bryan 0:b74591d5ab33 233
be_bryan 0:b74591d5ab33 234 if( ctx->total[0] < (uint32_t) ilen )
be_bryan 0:b74591d5ab33 235 ctx->total[1]++;
be_bryan 0:b74591d5ab33 236
be_bryan 0:b74591d5ab33 237 if( left && ilen >= fill )
be_bryan 0:b74591d5ab33 238 {
be_bryan 0:b74591d5ab33 239 memcpy( (void *) (ctx->buffer + left),
be_bryan 0:b74591d5ab33 240 (void *) input, fill );
be_bryan 0:b74591d5ab33 241 mbedtls_md4_process( ctx, ctx->buffer );
be_bryan 0:b74591d5ab33 242 input += fill;
be_bryan 0:b74591d5ab33 243 ilen -= fill;
be_bryan 0:b74591d5ab33 244 left = 0;
be_bryan 0:b74591d5ab33 245 }
be_bryan 0:b74591d5ab33 246
be_bryan 0:b74591d5ab33 247 while( ilen >= 64 )
be_bryan 0:b74591d5ab33 248 {
be_bryan 0:b74591d5ab33 249 mbedtls_md4_process( ctx, input );
be_bryan 0:b74591d5ab33 250 input += 64;
be_bryan 0:b74591d5ab33 251 ilen -= 64;
be_bryan 0:b74591d5ab33 252 }
be_bryan 0:b74591d5ab33 253
be_bryan 0:b74591d5ab33 254 if( ilen > 0 )
be_bryan 0:b74591d5ab33 255 {
be_bryan 0:b74591d5ab33 256 memcpy( (void *) (ctx->buffer + left),
be_bryan 0:b74591d5ab33 257 (void *) input, ilen );
be_bryan 0:b74591d5ab33 258 }
be_bryan 0:b74591d5ab33 259 }
be_bryan 0:b74591d5ab33 260
be_bryan 0:b74591d5ab33 261 static const unsigned char md4_padding[64] =
be_bryan 0:b74591d5ab33 262 {
be_bryan 0:b74591d5ab33 263 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
be_bryan 0:b74591d5ab33 264 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
be_bryan 0:b74591d5ab33 265 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
be_bryan 0:b74591d5ab33 266 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
be_bryan 0:b74591d5ab33 267 };
be_bryan 0:b74591d5ab33 268
be_bryan 0:b74591d5ab33 269 /*
be_bryan 0:b74591d5ab33 270 * MD4 final digest
be_bryan 0:b74591d5ab33 271 */
be_bryan 0:b74591d5ab33 272 void mbedtls_md4_finish( mbedtls_md4_context *ctx, unsigned char output[16] )
be_bryan 0:b74591d5ab33 273 {
be_bryan 0:b74591d5ab33 274 uint32_t last, padn;
be_bryan 0:b74591d5ab33 275 uint32_t high, low;
be_bryan 0:b74591d5ab33 276 unsigned char msglen[8];
be_bryan 0:b74591d5ab33 277
be_bryan 0:b74591d5ab33 278 high = ( ctx->total[0] >> 29 )
be_bryan 0:b74591d5ab33 279 | ( ctx->total[1] << 3 );
be_bryan 0:b74591d5ab33 280 low = ( ctx->total[0] << 3 );
be_bryan 0:b74591d5ab33 281
be_bryan 0:b74591d5ab33 282 PUT_UINT32_LE( low, msglen, 0 );
be_bryan 0:b74591d5ab33 283 PUT_UINT32_LE( high, msglen, 4 );
be_bryan 0:b74591d5ab33 284
be_bryan 0:b74591d5ab33 285 last = ctx->total[0] & 0x3F;
be_bryan 0:b74591d5ab33 286 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
be_bryan 0:b74591d5ab33 287
be_bryan 0:b74591d5ab33 288 mbedtls_md4_update( ctx, (unsigned char *) md4_padding, padn );
be_bryan 0:b74591d5ab33 289 mbedtls_md4_update( ctx, msglen, 8 );
be_bryan 0:b74591d5ab33 290
be_bryan 0:b74591d5ab33 291 PUT_UINT32_LE( ctx->state[0], output, 0 );
be_bryan 0:b74591d5ab33 292 PUT_UINT32_LE( ctx->state[1], output, 4 );
be_bryan 0:b74591d5ab33 293 PUT_UINT32_LE( ctx->state[2], output, 8 );
be_bryan 0:b74591d5ab33 294 PUT_UINT32_LE( ctx->state[3], output, 12 );
be_bryan 0:b74591d5ab33 295 }
be_bryan 0:b74591d5ab33 296
be_bryan 0:b74591d5ab33 297 #endif /* !MBEDTLS_MD4_ALT */
be_bryan 0:b74591d5ab33 298
be_bryan 0:b74591d5ab33 299 /*
be_bryan 0:b74591d5ab33 300 * output = MD4( input buffer )
be_bryan 0:b74591d5ab33 301 */
be_bryan 0:b74591d5ab33 302 void mbedtls_md4( const unsigned char *input, size_t ilen, unsigned char output[16] )
be_bryan 0:b74591d5ab33 303 {
be_bryan 0:b74591d5ab33 304 mbedtls_md4_context ctx;
be_bryan 0:b74591d5ab33 305
be_bryan 0:b74591d5ab33 306 mbedtls_md4_init( &ctx );
be_bryan 0:b74591d5ab33 307 mbedtls_md4_starts( &ctx );
be_bryan 0:b74591d5ab33 308 mbedtls_md4_update( &ctx, input, ilen );
be_bryan 0:b74591d5ab33 309 mbedtls_md4_finish( &ctx, output );
be_bryan 0:b74591d5ab33 310 mbedtls_md4_free( &ctx );
be_bryan 0:b74591d5ab33 311 }
be_bryan 0:b74591d5ab33 312
be_bryan 0:b74591d5ab33 313 #if defined(MBEDTLS_SELF_TEST)
be_bryan 0:b74591d5ab33 314
be_bryan 0:b74591d5ab33 315 /*
be_bryan 0:b74591d5ab33 316 * RFC 1320 test vectors
be_bryan 0:b74591d5ab33 317 */
be_bryan 0:b74591d5ab33 318 static const char md4_test_str[7][81] =
be_bryan 0:b74591d5ab33 319 {
be_bryan 0:b74591d5ab33 320 { "" },
be_bryan 0:b74591d5ab33 321 { "a" },
be_bryan 0:b74591d5ab33 322 { "abc" },
be_bryan 0:b74591d5ab33 323 { "message digest" },
be_bryan 0:b74591d5ab33 324 { "abcdefghijklmnopqrstuvwxyz" },
be_bryan 0:b74591d5ab33 325 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
be_bryan 0:b74591d5ab33 326 { "12345678901234567890123456789012345678901234567890123456789012" \
be_bryan 0:b74591d5ab33 327 "345678901234567890" }
be_bryan 0:b74591d5ab33 328 };
be_bryan 0:b74591d5ab33 329
be_bryan 0:b74591d5ab33 330 static const unsigned char md4_test_sum[7][16] =
be_bryan 0:b74591d5ab33 331 {
be_bryan 0:b74591d5ab33 332 { 0x31, 0xD6, 0xCF, 0xE0, 0xD1, 0x6A, 0xE9, 0x31,
be_bryan 0:b74591d5ab33 333 0xB7, 0x3C, 0x59, 0xD7, 0xE0, 0xC0, 0x89, 0xC0 },
be_bryan 0:b74591d5ab33 334 { 0xBD, 0xE5, 0x2C, 0xB3, 0x1D, 0xE3, 0x3E, 0x46,
be_bryan 0:b74591d5ab33 335 0x24, 0x5E, 0x05, 0xFB, 0xDB, 0xD6, 0xFB, 0x24 },
be_bryan 0:b74591d5ab33 336 { 0xA4, 0x48, 0x01, 0x7A, 0xAF, 0x21, 0xD8, 0x52,
be_bryan 0:b74591d5ab33 337 0x5F, 0xC1, 0x0A, 0xE8, 0x7A, 0xA6, 0x72, 0x9D },
be_bryan 0:b74591d5ab33 338 { 0xD9, 0x13, 0x0A, 0x81, 0x64, 0x54, 0x9F, 0xE8,
be_bryan 0:b74591d5ab33 339 0x18, 0x87, 0x48, 0x06, 0xE1, 0xC7, 0x01, 0x4B },
be_bryan 0:b74591d5ab33 340 { 0xD7, 0x9E, 0x1C, 0x30, 0x8A, 0xA5, 0xBB, 0xCD,
be_bryan 0:b74591d5ab33 341 0xEE, 0xA8, 0xED, 0x63, 0xDF, 0x41, 0x2D, 0xA9 },
be_bryan 0:b74591d5ab33 342 { 0x04, 0x3F, 0x85, 0x82, 0xF2, 0x41, 0xDB, 0x35,
be_bryan 0:b74591d5ab33 343 0x1C, 0xE6, 0x27, 0xE1, 0x53, 0xE7, 0xF0, 0xE4 },
be_bryan 0:b74591d5ab33 344 { 0xE3, 0x3B, 0x4D, 0xDC, 0x9C, 0x38, 0xF2, 0x19,
be_bryan 0:b74591d5ab33 345 0x9C, 0x3E, 0x7B, 0x16, 0x4F, 0xCC, 0x05, 0x36 }
be_bryan 0:b74591d5ab33 346 };
be_bryan 0:b74591d5ab33 347
be_bryan 0:b74591d5ab33 348 /*
be_bryan 0:b74591d5ab33 349 * Checkup routine
be_bryan 0:b74591d5ab33 350 */
be_bryan 0:b74591d5ab33 351 int mbedtls_md4_self_test( int verbose )
be_bryan 0:b74591d5ab33 352 {
be_bryan 0:b74591d5ab33 353 int i;
be_bryan 0:b74591d5ab33 354 unsigned char md4sum[16];
be_bryan 0:b74591d5ab33 355
be_bryan 0:b74591d5ab33 356 for( i = 0; i < 7; i++ )
be_bryan 0:b74591d5ab33 357 {
be_bryan 0:b74591d5ab33 358 if( verbose != 0 )
be_bryan 0:b74591d5ab33 359 mbedtls_printf( " MD4 test #%d: ", i + 1 );
be_bryan 0:b74591d5ab33 360
be_bryan 0:b74591d5ab33 361 mbedtls_md4( (unsigned char *) md4_test_str[i],
be_bryan 0:b74591d5ab33 362 strlen( md4_test_str[i] ), md4sum );
be_bryan 0:b74591d5ab33 363
be_bryan 0:b74591d5ab33 364 if( memcmp( md4sum, md4_test_sum[i], 16 ) != 0 )
be_bryan 0:b74591d5ab33 365 {
be_bryan 0:b74591d5ab33 366 if( verbose != 0 )
be_bryan 0:b74591d5ab33 367 mbedtls_printf( "failed\n" );
be_bryan 0:b74591d5ab33 368
be_bryan 0:b74591d5ab33 369 return( 1 );
be_bryan 0:b74591d5ab33 370 }
be_bryan 0:b74591d5ab33 371
be_bryan 0:b74591d5ab33 372 if( verbose != 0 )
be_bryan 0:b74591d5ab33 373 mbedtls_printf( "passed\n" );
be_bryan 0:b74591d5ab33 374 }
be_bryan 0:b74591d5ab33 375
be_bryan 0:b74591d5ab33 376 if( verbose != 0 )
be_bryan 0:b74591d5ab33 377 mbedtls_printf( "\n" );
be_bryan 0:b74591d5ab33 378
be_bryan 0:b74591d5ab33 379 return( 0 );
be_bryan 0:b74591d5ab33 380 }
be_bryan 0:b74591d5ab33 381
be_bryan 0:b74591d5ab33 382 #endif /* MBEDTLS_SELF_TEST */
be_bryan 0:b74591d5ab33 383
be_bryan 0:b74591d5ab33 384 #endif /* MBEDTLS_MD4_C */