Austin Blackstone / Mbed 2 deprecated client-lwip-lightswitch-demo-expanded

mbed client lightswitch demo

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of mbed-client-classic-example-lwip by Austin Blackstone

mbedtls/source/md4.c@11:cada08fc8a70, 2016-06-09 (annotated)

Committer:
mbedAustin
Date:
Thu Jun 09 17:08:36 2016 +0000
Revision:
11:cada08fc8a70
Commit for public Consumption

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbedAustin 11:cada08fc8a70 1 /*
mbedAustin 11:cada08fc8a70 2 * RFC 1186/1320 compliant MD4 implementation
mbedAustin 11:cada08fc8a70 3 *
mbedAustin 11:cada08fc8a70 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
mbedAustin 11:cada08fc8a70 5 * SPDX-License-Identifier: Apache-2.0
mbedAustin 11:cada08fc8a70 6 *
mbedAustin 11:cada08fc8a70 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
mbedAustin 11:cada08fc8a70 8 * not use this file except in compliance with the License.
mbedAustin 11:cada08fc8a70 9 * You may obtain a copy of the License at
mbedAustin 11:cada08fc8a70 10 *
mbedAustin 11:cada08fc8a70 11 * http://www.apache.org/licenses/LICENSE-2.0
mbedAustin 11:cada08fc8a70 12 *
mbedAustin 11:cada08fc8a70 13 * Unless required by applicable law or agreed to in writing, software
mbedAustin 11:cada08fc8a70 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
mbedAustin 11:cada08fc8a70 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbedAustin 11:cada08fc8a70 16 * See the License for the specific language governing permissions and
mbedAustin 11:cada08fc8a70 17 * limitations under the License.
mbedAustin 11:cada08fc8a70 18 *
mbedAustin 11:cada08fc8a70 19 * This file is part of mbed TLS (https://tls.mbed.org)
mbedAustin 11:cada08fc8a70 20 */
mbedAustin 11:cada08fc8a70 21 /*
mbedAustin 11:cada08fc8a70 22 * The MD4 algorithm was designed by Ron Rivest in 1990.
mbedAustin 11:cada08fc8a70 23 *
mbedAustin 11:cada08fc8a70 24 * http://www.ietf.org/rfc/rfc1186.txt
mbedAustin 11:cada08fc8a70 25 * http://www.ietf.org/rfc/rfc1320.txt
mbedAustin 11:cada08fc8a70 26 */
mbedAustin 11:cada08fc8a70 27
mbedAustin 11:cada08fc8a70 28 #if !defined(MBEDTLS_CONFIG_FILE)
mbedAustin 11:cada08fc8a70 29 #include "mbedtls/config.h"
mbedAustin 11:cada08fc8a70 30 #else
mbedAustin 11:cada08fc8a70 31 #include MBEDTLS_CONFIG_FILE
mbedAustin 11:cada08fc8a70 32 #endif
mbedAustin 11:cada08fc8a70 33
mbedAustin 11:cada08fc8a70 34 #if defined(MBEDTLS_MD4_C)
mbedAustin 11:cada08fc8a70 35
mbedAustin 11:cada08fc8a70 36 #include "mbedtls/md4.h"
mbedAustin 11:cada08fc8a70 37
mbedAustin 11:cada08fc8a70 38 #include <string.h>
mbedAustin 11:cada08fc8a70 39
mbedAustin 11:cada08fc8a70 40 #if defined(MBEDTLS_SELF_TEST)
mbedAustin 11:cada08fc8a70 41 #if defined(MBEDTLS_PLATFORM_C)
mbedAustin 11:cada08fc8a70 42 #include "mbedtls/platform.h"
mbedAustin 11:cada08fc8a70 43 #else
mbedAustin 11:cada08fc8a70 44 #include <stdio.h>
mbedAustin 11:cada08fc8a70 45 #define mbedtls_printf printf
mbedAustin 11:cada08fc8a70 46 #endif /* MBEDTLS_PLATFORM_C */
mbedAustin 11:cada08fc8a70 47 #endif /* MBEDTLS_SELF_TEST */
mbedAustin 11:cada08fc8a70 48
mbedAustin 11:cada08fc8a70 49 #if !defined(MBEDTLS_MD4_ALT)
mbedAustin 11:cada08fc8a70 50
mbedAustin 11:cada08fc8a70 51 /* Implementation that should never be optimized out by the compiler */
mbedAustin 11:cada08fc8a70 52 static void mbedtls_zeroize( void *v, size_t n ) {
mbedAustin 11:cada08fc8a70 53 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
mbedAustin 11:cada08fc8a70 54 }
mbedAustin 11:cada08fc8a70 55
mbedAustin 11:cada08fc8a70 56 /*
mbedAustin 11:cada08fc8a70 57 * 32-bit integer manipulation macros (little endian)
mbedAustin 11:cada08fc8a70 58 */
mbedAustin 11:cada08fc8a70 59 #ifndef GET_UINT32_LE
mbedAustin 11:cada08fc8a70 60 #define GET_UINT32_LE(n,b,i) \
mbedAustin 11:cada08fc8a70 61 { \
mbedAustin 11:cada08fc8a70 62 (n) = ( (uint32_t) (b)[(i) ] ) \
mbedAustin 11:cada08fc8a70 63 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
mbedAustin 11:cada08fc8a70 64 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
mbedAustin 11:cada08fc8a70 65 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
mbedAustin 11:cada08fc8a70 66 }
mbedAustin 11:cada08fc8a70 67 #endif
mbedAustin 11:cada08fc8a70 68
mbedAustin 11:cada08fc8a70 69 #ifndef PUT_UINT32_LE
mbedAustin 11:cada08fc8a70 70 #define PUT_UINT32_LE(n,b,i) \
mbedAustin 11:cada08fc8a70 71 { \
mbedAustin 11:cada08fc8a70 72 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 73 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 74 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 75 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 76 }
mbedAustin 11:cada08fc8a70 77 #endif
mbedAustin 11:cada08fc8a70 78
mbedAustin 11:cada08fc8a70 79 void mbedtls_md4_init( mbedtls_md4_context *ctx )
mbedAustin 11:cada08fc8a70 80 {
mbedAustin 11:cada08fc8a70 81 memset( ctx, 0, sizeof( mbedtls_md4_context ) );
mbedAustin 11:cada08fc8a70 82 }
mbedAustin 11:cada08fc8a70 83
mbedAustin 11:cada08fc8a70 84 void mbedtls_md4_free( mbedtls_md4_context *ctx )
mbedAustin 11:cada08fc8a70 85 {
mbedAustin 11:cada08fc8a70 86 if( ctx == NULL )
mbedAustin 11:cada08fc8a70 87 return;
mbedAustin 11:cada08fc8a70 88
mbedAustin 11:cada08fc8a70 89 mbedtls_zeroize( ctx, sizeof( mbedtls_md4_context ) );
mbedAustin 11:cada08fc8a70 90 }
mbedAustin 11:cada08fc8a70 91
mbedAustin 11:cada08fc8a70 92 void mbedtls_md4_clone( mbedtls_md4_context *dst,
mbedAustin 11:cada08fc8a70 93 const mbedtls_md4_context *src )
mbedAustin 11:cada08fc8a70 94 {
mbedAustin 11:cada08fc8a70 95 *dst = *src;
mbedAustin 11:cada08fc8a70 96 }
mbedAustin 11:cada08fc8a70 97
mbedAustin 11:cada08fc8a70 98 /*
mbedAustin 11:cada08fc8a70 99 * MD4 context setup
mbedAustin 11:cada08fc8a70 100 */
mbedAustin 11:cada08fc8a70 101 void mbedtls_md4_starts( mbedtls_md4_context *ctx )
mbedAustin 11:cada08fc8a70 102 {
mbedAustin 11:cada08fc8a70 103 ctx->total[0] = 0;
mbedAustin 11:cada08fc8a70 104 ctx->total[1] = 0;
mbedAustin 11:cada08fc8a70 105
mbedAustin 11:cada08fc8a70 106 ctx->state[0] = 0x67452301;
mbedAustin 11:cada08fc8a70 107 ctx->state[1] = 0xEFCDAB89;
mbedAustin 11:cada08fc8a70 108 ctx->state[2] = 0x98BADCFE;
mbedAustin 11:cada08fc8a70 109 ctx->state[3] = 0x10325476;
mbedAustin 11:cada08fc8a70 110 }
mbedAustin 11:cada08fc8a70 111
mbedAustin 11:cada08fc8a70 112 #if !defined(MBEDTLS_MD4_PROCESS_ALT)
mbedAustin 11:cada08fc8a70 113 void mbedtls_md4_process( mbedtls_md4_context *ctx, const unsigned char data[64] )
mbedAustin 11:cada08fc8a70 114 {
mbedAustin 11:cada08fc8a70 115 uint32_t X[16], A, B, C, D;
mbedAustin 11:cada08fc8a70 116
mbedAustin 11:cada08fc8a70 117 GET_UINT32_LE( X[ 0], data, 0 );
mbedAustin 11:cada08fc8a70 118 GET_UINT32_LE( X[ 1], data, 4 );
mbedAustin 11:cada08fc8a70 119 GET_UINT32_LE( X[ 2], data, 8 );
mbedAustin 11:cada08fc8a70 120 GET_UINT32_LE( X[ 3], data, 12 );
mbedAustin 11:cada08fc8a70 121 GET_UINT32_LE( X[ 4], data, 16 );
mbedAustin 11:cada08fc8a70 122 GET_UINT32_LE( X[ 5], data, 20 );
mbedAustin 11:cada08fc8a70 123 GET_UINT32_LE( X[ 6], data, 24 );
mbedAustin 11:cada08fc8a70 124 GET_UINT32_LE( X[ 7], data, 28 );
mbedAustin 11:cada08fc8a70 125 GET_UINT32_LE( X[ 8], data, 32 );
mbedAustin 11:cada08fc8a70 126 GET_UINT32_LE( X[ 9], data, 36 );
mbedAustin 11:cada08fc8a70 127 GET_UINT32_LE( X[10], data, 40 );
mbedAustin 11:cada08fc8a70 128 GET_UINT32_LE( X[11], data, 44 );
mbedAustin 11:cada08fc8a70 129 GET_UINT32_LE( X[12], data, 48 );
mbedAustin 11:cada08fc8a70 130 GET_UINT32_LE( X[13], data, 52 );
mbedAustin 11:cada08fc8a70 131 GET_UINT32_LE( X[14], data, 56 );
mbedAustin 11:cada08fc8a70 132 GET_UINT32_LE( X[15], data, 60 );
mbedAustin 11:cada08fc8a70 133
mbedAustin 11:cada08fc8a70 134 #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
mbedAustin 11:cada08fc8a70 135
mbedAustin 11:cada08fc8a70 136 A = ctx->state[0];
mbedAustin 11:cada08fc8a70 137 B = ctx->state[1];
mbedAustin 11:cada08fc8a70 138 C = ctx->state[2];
mbedAustin 11:cada08fc8a70 139 D = ctx->state[3];
mbedAustin 11:cada08fc8a70 140
mbedAustin 11:cada08fc8a70 141 #define F(x, y, z) ((x & y) | ((~x) & z))
mbedAustin 11:cada08fc8a70 142 #define P(a,b,c,d,x,s) { a += F(b,c,d) + x; a = S(a,s); }
mbedAustin 11:cada08fc8a70 143
mbedAustin 11:cada08fc8a70 144 P( A, B, C, D, X[ 0], 3 );
mbedAustin 11:cada08fc8a70 145 P( D, A, B, C, X[ 1], 7 );
mbedAustin 11:cada08fc8a70 146 P( C, D, A, B, X[ 2], 11 );
mbedAustin 11:cada08fc8a70 147 P( B, C, D, A, X[ 3], 19 );
mbedAustin 11:cada08fc8a70 148 P( A, B, C, D, X[ 4], 3 );
mbedAustin 11:cada08fc8a70 149 P( D, A, B, C, X[ 5], 7 );
mbedAustin 11:cada08fc8a70 150 P( C, D, A, B, X[ 6], 11 );
mbedAustin 11:cada08fc8a70 151 P( B, C, D, A, X[ 7], 19 );
mbedAustin 11:cada08fc8a70 152 P( A, B, C, D, X[ 8], 3 );
mbedAustin 11:cada08fc8a70 153 P( D, A, B, C, X[ 9], 7 );
mbedAustin 11:cada08fc8a70 154 P( C, D, A, B, X[10], 11 );
mbedAustin 11:cada08fc8a70 155 P( B, C, D, A, X[11], 19 );
mbedAustin 11:cada08fc8a70 156 P( A, B, C, D, X[12], 3 );
mbedAustin 11:cada08fc8a70 157 P( D, A, B, C, X[13], 7 );
mbedAustin 11:cada08fc8a70 158 P( C, D, A, B, X[14], 11 );
mbedAustin 11:cada08fc8a70 159 P( B, C, D, A, X[15], 19 );
mbedAustin 11:cada08fc8a70 160
mbedAustin 11:cada08fc8a70 161 #undef P
mbedAustin 11:cada08fc8a70 162 #undef F
mbedAustin 11:cada08fc8a70 163
mbedAustin 11:cada08fc8a70 164 #define F(x,y,z) ((x & y) | (x & z) | (y & z))
mbedAustin 11:cada08fc8a70 165 #define P(a,b,c,d,x,s) { a += F(b,c,d) + x + 0x5A827999; a = S(a,s); }
mbedAustin 11:cada08fc8a70 166
mbedAustin 11:cada08fc8a70 167 P( A, B, C, D, X[ 0], 3 );
mbedAustin 11:cada08fc8a70 168 P( D, A, B, C, X[ 4], 5 );
mbedAustin 11:cada08fc8a70 169 P( C, D, A, B, X[ 8], 9 );
mbedAustin 11:cada08fc8a70 170 P( B, C, D, A, X[12], 13 );
mbedAustin 11:cada08fc8a70 171 P( A, B, C, D, X[ 1], 3 );
mbedAustin 11:cada08fc8a70 172 P( D, A, B, C, X[ 5], 5 );
mbedAustin 11:cada08fc8a70 173 P( C, D, A, B, X[ 9], 9 );
mbedAustin 11:cada08fc8a70 174 P( B, C, D, A, X[13], 13 );
mbedAustin 11:cada08fc8a70 175 P( A, B, C, D, X[ 2], 3 );
mbedAustin 11:cada08fc8a70 176 P( D, A, B, C, X[ 6], 5 );
mbedAustin 11:cada08fc8a70 177 P( C, D, A, B, X[10], 9 );
mbedAustin 11:cada08fc8a70 178 P( B, C, D, A, X[14], 13 );
mbedAustin 11:cada08fc8a70 179 P( A, B, C, D, X[ 3], 3 );
mbedAustin 11:cada08fc8a70 180 P( D, A, B, C, X[ 7], 5 );
mbedAustin 11:cada08fc8a70 181 P( C, D, A, B, X[11], 9 );
mbedAustin 11:cada08fc8a70 182 P( B, C, D, A, X[15], 13 );
mbedAustin 11:cada08fc8a70 183
mbedAustin 11:cada08fc8a70 184 #undef P
mbedAustin 11:cada08fc8a70 185 #undef F
mbedAustin 11:cada08fc8a70 186
mbedAustin 11:cada08fc8a70 187 #define F(x,y,z) (x ^ y ^ z)
mbedAustin 11:cada08fc8a70 188 #define P(a,b,c,d,x,s) { a += F(b,c,d) + x + 0x6ED9EBA1; a = S(a,s); }
mbedAustin 11:cada08fc8a70 189
mbedAustin 11:cada08fc8a70 190 P( A, B, C, D, X[ 0], 3 );
mbedAustin 11:cada08fc8a70 191 P( D, A, B, C, X[ 8], 9 );
mbedAustin 11:cada08fc8a70 192 P( C, D, A, B, X[ 4], 11 );
mbedAustin 11:cada08fc8a70 193 P( B, C, D, A, X[12], 15 );
mbedAustin 11:cada08fc8a70 194 P( A, B, C, D, X[ 2], 3 );
mbedAustin 11:cada08fc8a70 195 P( D, A, B, C, X[10], 9 );
mbedAustin 11:cada08fc8a70 196 P( C, D, A, B, X[ 6], 11 );
mbedAustin 11:cada08fc8a70 197 P( B, C, D, A, X[14], 15 );
mbedAustin 11:cada08fc8a70 198 P( A, B, C, D, X[ 1], 3 );
mbedAustin 11:cada08fc8a70 199 P( D, A, B, C, X[ 9], 9 );
mbedAustin 11:cada08fc8a70 200 P( C, D, A, B, X[ 5], 11 );
mbedAustin 11:cada08fc8a70 201 P( B, C, D, A, X[13], 15 );
mbedAustin 11:cada08fc8a70 202 P( A, B, C, D, X[ 3], 3 );
mbedAustin 11:cada08fc8a70 203 P( D, A, B, C, X[11], 9 );
mbedAustin 11:cada08fc8a70 204 P( C, D, A, B, X[ 7], 11 );
mbedAustin 11:cada08fc8a70 205 P( B, C, D, A, X[15], 15 );
mbedAustin 11:cada08fc8a70 206
mbedAustin 11:cada08fc8a70 207 #undef F
mbedAustin 11:cada08fc8a70 208 #undef P
mbedAustin 11:cada08fc8a70 209
mbedAustin 11:cada08fc8a70 210 ctx->state[0] += A;
mbedAustin 11:cada08fc8a70 211 ctx->state[1] += B;
mbedAustin 11:cada08fc8a70 212 ctx->state[2] += C;
mbedAustin 11:cada08fc8a70 213 ctx->state[3] += D;
mbedAustin 11:cada08fc8a70 214 }
mbedAustin 11:cada08fc8a70 215 #endif /* !MBEDTLS_MD4_PROCESS_ALT */
mbedAustin 11:cada08fc8a70 216
mbedAustin 11:cada08fc8a70 217 /*
mbedAustin 11:cada08fc8a70 218 * MD4 process buffer
mbedAustin 11:cada08fc8a70 219 */
mbedAustin 11:cada08fc8a70 220 void mbedtls_md4_update( mbedtls_md4_context *ctx, const unsigned char *input, size_t ilen )
mbedAustin 11:cada08fc8a70 221 {
mbedAustin 11:cada08fc8a70 222 size_t fill;
mbedAustin 11:cada08fc8a70 223 uint32_t left;
mbedAustin 11:cada08fc8a70 224
mbedAustin 11:cada08fc8a70 225 if( ilen == 0 )
mbedAustin 11:cada08fc8a70 226 return;
mbedAustin 11:cada08fc8a70 227
mbedAustin 11:cada08fc8a70 228 left = ctx->total[0] & 0x3F;
mbedAustin 11:cada08fc8a70 229 fill = 64 - left;
mbedAustin 11:cada08fc8a70 230
mbedAustin 11:cada08fc8a70 231 ctx->total[0] += (uint32_t) ilen;
mbedAustin 11:cada08fc8a70 232 ctx->total[0] &= 0xFFFFFFFF;
mbedAustin 11:cada08fc8a70 233
mbedAustin 11:cada08fc8a70 234 if( ctx->total[0] < (uint32_t) ilen )
mbedAustin 11:cada08fc8a70 235 ctx->total[1]++;
mbedAustin 11:cada08fc8a70 236
mbedAustin 11:cada08fc8a70 237 if( left && ilen >= fill )
mbedAustin 11:cada08fc8a70 238 {
mbedAustin 11:cada08fc8a70 239 memcpy( (void *) (ctx->buffer + left),
mbedAustin 11:cada08fc8a70 240 (void *) input, fill );
mbedAustin 11:cada08fc8a70 241 mbedtls_md4_process( ctx, ctx->buffer );
mbedAustin 11:cada08fc8a70 242 input += fill;
mbedAustin 11:cada08fc8a70 243 ilen -= fill;
mbedAustin 11:cada08fc8a70 244 left = 0;
mbedAustin 11:cada08fc8a70 245 }
mbedAustin 11:cada08fc8a70 246
mbedAustin 11:cada08fc8a70 247 while( ilen >= 64 )
mbedAustin 11:cada08fc8a70 248 {
mbedAustin 11:cada08fc8a70 249 mbedtls_md4_process( ctx, input );
mbedAustin 11:cada08fc8a70 250 input += 64;
mbedAustin 11:cada08fc8a70 251 ilen -= 64;
mbedAustin 11:cada08fc8a70 252 }
mbedAustin 11:cada08fc8a70 253
mbedAustin 11:cada08fc8a70 254 if( ilen > 0 )
mbedAustin 11:cada08fc8a70 255 {
mbedAustin 11:cada08fc8a70 256 memcpy( (void *) (ctx->buffer + left),
mbedAustin 11:cada08fc8a70 257 (void *) input, ilen );
mbedAustin 11:cada08fc8a70 258 }
mbedAustin 11:cada08fc8a70 259 }
mbedAustin 11:cada08fc8a70 260
mbedAustin 11:cada08fc8a70 261 static const unsigned char md4_padding[64] =
mbedAustin 11:cada08fc8a70 262 {
mbedAustin 11:cada08fc8a70 263 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 264 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 265 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 266 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
mbedAustin 11:cada08fc8a70 267 };
mbedAustin 11:cada08fc8a70 268
mbedAustin 11:cada08fc8a70 269 /*
mbedAustin 11:cada08fc8a70 270 * MD4 final digest
mbedAustin 11:cada08fc8a70 271 */
mbedAustin 11:cada08fc8a70 272 void mbedtls_md4_finish( mbedtls_md4_context *ctx, unsigned char output[16] )
mbedAustin 11:cada08fc8a70 273 {
mbedAustin 11:cada08fc8a70 274 uint32_t last, padn;
mbedAustin 11:cada08fc8a70 275 uint32_t high, low;
mbedAustin 11:cada08fc8a70 276 unsigned char msglen[8];
mbedAustin 11:cada08fc8a70 277
mbedAustin 11:cada08fc8a70 278 high = ( ctx->total[0] >> 29 )
mbedAustin 11:cada08fc8a70 279 | ( ctx->total[1] << 3 );
mbedAustin 11:cada08fc8a70 280 low = ( ctx->total[0] << 3 );
mbedAustin 11:cada08fc8a70 281
mbedAustin 11:cada08fc8a70 282 PUT_UINT32_LE( low, msglen, 0 );
mbedAustin 11:cada08fc8a70 283 PUT_UINT32_LE( high, msglen, 4 );
mbedAustin 11:cada08fc8a70 284
mbedAustin 11:cada08fc8a70 285 last = ctx->total[0] & 0x3F;
mbedAustin 11:cada08fc8a70 286 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
mbedAustin 11:cada08fc8a70 287
mbedAustin 11:cada08fc8a70 288 mbedtls_md4_update( ctx, (unsigned char *) md4_padding, padn );
mbedAustin 11:cada08fc8a70 289 mbedtls_md4_update( ctx, msglen, 8 );
mbedAustin 11:cada08fc8a70 290
mbedAustin 11:cada08fc8a70 291 PUT_UINT32_LE( ctx->state[0], output, 0 );
mbedAustin 11:cada08fc8a70 292 PUT_UINT32_LE( ctx->state[1], output, 4 );
mbedAustin 11:cada08fc8a70 293 PUT_UINT32_LE( ctx->state[2], output, 8 );
mbedAustin 11:cada08fc8a70 294 PUT_UINT32_LE( ctx->state[3], output, 12 );
mbedAustin 11:cada08fc8a70 295 }
mbedAustin 11:cada08fc8a70 296
mbedAustin 11:cada08fc8a70 297 #endif /* !MBEDTLS_MD4_ALT */
mbedAustin 11:cada08fc8a70 298
mbedAustin 11:cada08fc8a70 299 /*
mbedAustin 11:cada08fc8a70 300 * output = MD4( input buffer )
mbedAustin 11:cada08fc8a70 301 */
mbedAustin 11:cada08fc8a70 302 void mbedtls_md4( const unsigned char *input, size_t ilen, unsigned char output[16] )
mbedAustin 11:cada08fc8a70 303 {
mbedAustin 11:cada08fc8a70 304 mbedtls_md4_context ctx;
mbedAustin 11:cada08fc8a70 305
mbedAustin 11:cada08fc8a70 306 mbedtls_md4_init( &ctx );
mbedAustin 11:cada08fc8a70 307 mbedtls_md4_starts( &ctx );
mbedAustin 11:cada08fc8a70 308 mbedtls_md4_update( &ctx, input, ilen );
mbedAustin 11:cada08fc8a70 309 mbedtls_md4_finish( &ctx, output );
mbedAustin 11:cada08fc8a70 310 mbedtls_md4_free( &ctx );
mbedAustin 11:cada08fc8a70 311 }
mbedAustin 11:cada08fc8a70 312
mbedAustin 11:cada08fc8a70 313 #if defined(MBEDTLS_SELF_TEST)
mbedAustin 11:cada08fc8a70 314
mbedAustin 11:cada08fc8a70 315 /*
mbedAustin 11:cada08fc8a70 316 * RFC 1320 test vectors
mbedAustin 11:cada08fc8a70 317 */
mbedAustin 11:cada08fc8a70 318 static const char md4_test_str[7][81] =
mbedAustin 11:cada08fc8a70 319 {
mbedAustin 11:cada08fc8a70 320 { "" },
mbedAustin 11:cada08fc8a70 321 { "a" },
mbedAustin 11:cada08fc8a70 322 { "abc" },
mbedAustin 11:cada08fc8a70 323 { "message digest" },
mbedAustin 11:cada08fc8a70 324 { "abcdefghijklmnopqrstuvwxyz" },
mbedAustin 11:cada08fc8a70 325 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
mbedAustin 11:cada08fc8a70 326 { "12345678901234567890123456789012345678901234567890123456789012" \
mbedAustin 11:cada08fc8a70 327 "345678901234567890" }
mbedAustin 11:cada08fc8a70 328 };
mbedAustin 11:cada08fc8a70 329
mbedAustin 11:cada08fc8a70 330 static const unsigned char md4_test_sum[7][16] =
mbedAustin 11:cada08fc8a70 331 {
mbedAustin 11:cada08fc8a70 332 { 0x31, 0xD6, 0xCF, 0xE0, 0xD1, 0x6A, 0xE9, 0x31,
mbedAustin 11:cada08fc8a70 333 0xB7, 0x3C, 0x59, 0xD7, 0xE0, 0xC0, 0x89, 0xC0 },
mbedAustin 11:cada08fc8a70 334 { 0xBD, 0xE5, 0x2C, 0xB3, 0x1D, 0xE3, 0x3E, 0x46,
mbedAustin 11:cada08fc8a70 335 0x24, 0x5E, 0x05, 0xFB, 0xDB, 0xD6, 0xFB, 0x24 },
mbedAustin 11:cada08fc8a70 336 { 0xA4, 0x48, 0x01, 0x7A, 0xAF, 0x21, 0xD8, 0x52,
mbedAustin 11:cada08fc8a70 337 0x5F, 0xC1, 0x0A, 0xE8, 0x7A, 0xA6, 0x72, 0x9D },
mbedAustin 11:cada08fc8a70 338 { 0xD9, 0x13, 0x0A, 0x81, 0x64, 0x54, 0x9F, 0xE8,
mbedAustin 11:cada08fc8a70 339 0x18, 0x87, 0x48, 0x06, 0xE1, 0xC7, 0x01, 0x4B },
mbedAustin 11:cada08fc8a70 340 { 0xD7, 0x9E, 0x1C, 0x30, 0x8A, 0xA5, 0xBB, 0xCD,
mbedAustin 11:cada08fc8a70 341 0xEE, 0xA8, 0xED, 0x63, 0xDF, 0x41, 0x2D, 0xA9 },
mbedAustin 11:cada08fc8a70 342 { 0x04, 0x3F, 0x85, 0x82, 0xF2, 0x41, 0xDB, 0x35,
mbedAustin 11:cada08fc8a70 343 0x1C, 0xE6, 0x27, 0xE1, 0x53, 0xE7, 0xF0, 0xE4 },
mbedAustin 11:cada08fc8a70 344 { 0xE3, 0x3B, 0x4D, 0xDC, 0x9C, 0x38, 0xF2, 0x19,
mbedAustin 11:cada08fc8a70 345 0x9C, 0x3E, 0x7B, 0x16, 0x4F, 0xCC, 0x05, 0x36 }
mbedAustin 11:cada08fc8a70 346 };
mbedAustin 11:cada08fc8a70 347
mbedAustin 11:cada08fc8a70 348 /*
mbedAustin 11:cada08fc8a70 349 * Checkup routine
mbedAustin 11:cada08fc8a70 350 */
mbedAustin 11:cada08fc8a70 351 int mbedtls_md4_self_test( int verbose )
mbedAustin 11:cada08fc8a70 352 {
mbedAustin 11:cada08fc8a70 353 int i;
mbedAustin 11:cada08fc8a70 354 unsigned char md4sum[16];
mbedAustin 11:cada08fc8a70 355
mbedAustin 11:cada08fc8a70 356 for( i = 0; i < 7; i++ )
mbedAustin 11:cada08fc8a70 357 {
mbedAustin 11:cada08fc8a70 358 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 359 mbedtls_printf( " MD4 test #%d: ", i + 1 );
mbedAustin 11:cada08fc8a70 360
mbedAustin 11:cada08fc8a70 361 mbedtls_md4( (unsigned char *) md4_test_str[i],
mbedAustin 11:cada08fc8a70 362 strlen( md4_test_str[i] ), md4sum );
mbedAustin 11:cada08fc8a70 363
mbedAustin 11:cada08fc8a70 364 if( memcmp( md4sum, md4_test_sum[i], 16 ) != 0 )
mbedAustin 11:cada08fc8a70 365 {
mbedAustin 11:cada08fc8a70 366 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 367 mbedtls_printf( "failed\n" );
mbedAustin 11:cada08fc8a70 368
mbedAustin 11:cada08fc8a70 369 return( 1 );
mbedAustin 11:cada08fc8a70 370 }
mbedAustin 11:cada08fc8a70 371
mbedAustin 11:cada08fc8a70 372 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 373 mbedtls_printf( "passed\n" );
mbedAustin 11:cada08fc8a70 374 }
mbedAustin 11:cada08fc8a70 375
mbedAustin 11:cada08fc8a70 376 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 377 mbedtls_printf( "\n" );
mbedAustin 11:cada08fc8a70 378
mbedAustin 11:cada08fc8a70 379 return( 0 );
mbedAustin 11:cada08fc8a70 380 }
mbedAustin 11:cada08fc8a70 381
mbedAustin 11:cada08fc8a70 382 #endif /* MBEDTLS_SELF_TEST */
mbedAustin 11:cada08fc8a70 383
mbedAustin 11:cada08fc8a70 384 #endif /* MBEDTLS_MD4_C */