2 * RFC 1321 compliant MD5 implementation
4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
5 * SPDX-License-Identifier: Apache-2.0
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
8 * not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 * This file is part of mbed TLS (https://tls.mbed.org)
22 * The MD5 algorithm was designed by Ron Rivest in 1991.
24 * http://www.ietf.org/rfc/rfc1321.txt
27 #if !defined(MBEDTLS_CONFIG_FILE)
28 #include "mbedtls/config.h"
30 #include MBEDTLS_CONFIG_FILE
33 #if defined(MBEDTLS_MD5_C)
35 #include "mbedtls/md5.h"
36 #include "mbedtls/platform_util.h"
40 #if defined(MBEDTLS_SELF_TEST)
41 #if defined(MBEDTLS_PLATFORM_C)
42 #include "mbedtls/platform.h"
45 #define mbedtls_printf printf
46 #endif /* MBEDTLS_PLATFORM_C */
47 #endif /* MBEDTLS_SELF_TEST */
49 #if !defined(MBEDTLS_MD5_ALT)
52 * 32-bit integer manipulation macros (little endian)
55 #define GET_UINT32_LE(n,b,i) \
57 (n) = ( (uint32_t) (b)[(i) ] ) \
58 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
59 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
60 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
65 #define PUT_UINT32_LE(n,b,i) \
67 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
68 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
69 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
70 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
74 void mbedtls_md5_init( mbedtls_md5_context *ctx )
76 memset( ctx, 0, sizeof( mbedtls_md5_context ) );
79 void mbedtls_md5_free( mbedtls_md5_context *ctx )
84 mbedtls_platform_zeroize( ctx, sizeof( mbedtls_md5_context ) );
87 void mbedtls_md5_clone( mbedtls_md5_context *dst,
88 const mbedtls_md5_context *src )
96 int mbedtls_md5_starts_ret( mbedtls_md5_context *ctx )
101 ctx->state[0] = 0x67452301;
102 ctx->state[1] = 0xEFCDAB89;
103 ctx->state[2] = 0x98BADCFE;
104 ctx->state[3] = 0x10325476;
109 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
110 void mbedtls_md5_starts( mbedtls_md5_context *ctx )
112 mbedtls_md5_starts_ret( ctx );
116 #if !defined(MBEDTLS_MD5_PROCESS_ALT)
117 int mbedtls_internal_md5_process( mbedtls_md5_context *ctx,
118 const unsigned char data[64] )
120 uint32_t X[16], A, B, C, D;
122 GET_UINT32_LE( X[ 0], data, 0 );
123 GET_UINT32_LE( X[ 1], data, 4 );
124 GET_UINT32_LE( X[ 2], data, 8 );
125 GET_UINT32_LE( X[ 3], data, 12 );
126 GET_UINT32_LE( X[ 4], data, 16 );
127 GET_UINT32_LE( X[ 5], data, 20 );
128 GET_UINT32_LE( X[ 6], data, 24 );
129 GET_UINT32_LE( X[ 7], data, 28 );
130 GET_UINT32_LE( X[ 8], data, 32 );
131 GET_UINT32_LE( X[ 9], data, 36 );
132 GET_UINT32_LE( X[10], data, 40 );
133 GET_UINT32_LE( X[11], data, 44 );
134 GET_UINT32_LE( X[12], data, 48 );
135 GET_UINT32_LE( X[13], data, 52 );
136 GET_UINT32_LE( X[14], data, 56 );
137 GET_UINT32_LE( X[15], data, 60 );
140 ( ( (x) << (n) ) | ( ( (x) & 0xFFFFFFFF) >> ( 32 - (n) ) ) )
142 #define P(a,b,c,d,k,s,t) \
145 (a) += F((b),(c),(d)) + X[(k)] + (t); \
146 (a) = S((a),(s)) + (b); \
154 #define F(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
156 P( A, B, C, D, 0, 7, 0xD76AA478 );
157 P( D, A, B, C, 1, 12, 0xE8C7B756 );
158 P( C, D, A, B, 2, 17, 0x242070DB );
159 P( B, C, D, A, 3, 22, 0xC1BDCEEE );
160 P( A, B, C, D, 4, 7, 0xF57C0FAF );
161 P( D, A, B, C, 5, 12, 0x4787C62A );
162 P( C, D, A, B, 6, 17, 0xA8304613 );
163 P( B, C, D, A, 7, 22, 0xFD469501 );
164 P( A, B, C, D, 8, 7, 0x698098D8 );
165 P( D, A, B, C, 9, 12, 0x8B44F7AF );
166 P( C, D, A, B, 10, 17, 0xFFFF5BB1 );
167 P( B, C, D, A, 11, 22, 0x895CD7BE );
168 P( A, B, C, D, 12, 7, 0x6B901122 );
169 P( D, A, B, C, 13, 12, 0xFD987193 );
170 P( C, D, A, B, 14, 17, 0xA679438E );
171 P( B, C, D, A, 15, 22, 0x49B40821 );
175 #define F(x,y,z) ((y) ^ ((z) & ((x) ^ (y))))
177 P( A, B, C, D, 1, 5, 0xF61E2562 );
178 P( D, A, B, C, 6, 9, 0xC040B340 );
179 P( C, D, A, B, 11, 14, 0x265E5A51 );
180 P( B, C, D, A, 0, 20, 0xE9B6C7AA );
181 P( A, B, C, D, 5, 5, 0xD62F105D );
182 P( D, A, B, C, 10, 9, 0x02441453 );
183 P( C, D, A, B, 15, 14, 0xD8A1E681 );
184 P( B, C, D, A, 4, 20, 0xE7D3FBC8 );
185 P( A, B, C, D, 9, 5, 0x21E1CDE6 );
186 P( D, A, B, C, 14, 9, 0xC33707D6 );
187 P( C, D, A, B, 3, 14, 0xF4D50D87 );
188 P( B, C, D, A, 8, 20, 0x455A14ED );
189 P( A, B, C, D, 13, 5, 0xA9E3E905 );
190 P( D, A, B, C, 2, 9, 0xFCEFA3F8 );
191 P( C, D, A, B, 7, 14, 0x676F02D9 );
192 P( B, C, D, A, 12, 20, 0x8D2A4C8A );
196 #define F(x,y,z) ((x) ^ (y) ^ (z))
198 P( A, B, C, D, 5, 4, 0xFFFA3942 );
199 P( D, A, B, C, 8, 11, 0x8771F681 );
200 P( C, D, A, B, 11, 16, 0x6D9D6122 );
201 P( B, C, D, A, 14, 23, 0xFDE5380C );
202 P( A, B, C, D, 1, 4, 0xA4BEEA44 );
203 P( D, A, B, C, 4, 11, 0x4BDECFA9 );
204 P( C, D, A, B, 7, 16, 0xF6BB4B60 );
205 P( B, C, D, A, 10, 23, 0xBEBFBC70 );
206 P( A, B, C, D, 13, 4, 0x289B7EC6 );
207 P( D, A, B, C, 0, 11, 0xEAA127FA );
208 P( C, D, A, B, 3, 16, 0xD4EF3085 );
209 P( B, C, D, A, 6, 23, 0x04881D05 );
210 P( A, B, C, D, 9, 4, 0xD9D4D039 );
211 P( D, A, B, C, 12, 11, 0xE6DB99E5 );
212 P( C, D, A, B, 15, 16, 0x1FA27CF8 );
213 P( B, C, D, A, 2, 23, 0xC4AC5665 );
217 #define F(x,y,z) ((y) ^ ((x) | ~(z)))
219 P( A, B, C, D, 0, 6, 0xF4292244 );
220 P( D, A, B, C, 7, 10, 0x432AFF97 );
221 P( C, D, A, B, 14, 15, 0xAB9423A7 );
222 P( B, C, D, A, 5, 21, 0xFC93A039 );
223 P( A, B, C, D, 12, 6, 0x655B59C3 );
224 P( D, A, B, C, 3, 10, 0x8F0CCC92 );
225 P( C, D, A, B, 10, 15, 0xFFEFF47D );
226 P( B, C, D, A, 1, 21, 0x85845DD1 );
227 P( A, B, C, D, 8, 6, 0x6FA87E4F );
228 P( D, A, B, C, 15, 10, 0xFE2CE6E0 );
229 P( C, D, A, B, 6, 15, 0xA3014314 );
230 P( B, C, D, A, 13, 21, 0x4E0811A1 );
231 P( A, B, C, D, 4, 6, 0xF7537E82 );
232 P( D, A, B, C, 11, 10, 0xBD3AF235 );
233 P( C, D, A, B, 2, 15, 0x2AD7D2BB );
234 P( B, C, D, A, 9, 21, 0xEB86D391 );
246 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
247 void mbedtls_md5_process( mbedtls_md5_context *ctx,
248 const unsigned char data[64] )
250 mbedtls_internal_md5_process( ctx, data );
253 #endif /* !MBEDTLS_MD5_PROCESS_ALT */
258 int mbedtls_md5_update_ret( mbedtls_md5_context *ctx,
259 const unsigned char *input,
269 left = ctx->total[0] & 0x3F;
272 ctx->total[0] += (uint32_t) ilen;
273 ctx->total[0] &= 0xFFFFFFFF;
275 if( ctx->total[0] < (uint32_t) ilen )
278 if( left && ilen >= fill )
280 memcpy( (void *) (ctx->buffer + left), input, fill );
281 if( ( ret = mbedtls_internal_md5_process( ctx, ctx->buffer ) ) != 0 )
291 if( ( ret = mbedtls_internal_md5_process( ctx, input ) ) != 0 )
300 memcpy( (void *) (ctx->buffer + left), input, ilen );
306 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
307 void mbedtls_md5_update( mbedtls_md5_context *ctx,
308 const unsigned char *input,
311 mbedtls_md5_update_ret( ctx, input, ilen );
318 int mbedtls_md5_finish_ret( mbedtls_md5_context *ctx,
319 unsigned char output[16] )
326 * Add padding: 0x80 then 0x00 until 8 bytes remain for the length
328 used = ctx->total[0] & 0x3F;
330 ctx->buffer[used++] = 0x80;
334 /* Enough room for padding + length in current block */
335 memset( ctx->buffer + used, 0, 56 - used );
339 /* We'll need an extra block */
340 memset( ctx->buffer + used, 0, 64 - used );
342 if( ( ret = mbedtls_internal_md5_process( ctx, ctx->buffer ) ) != 0 )
345 memset( ctx->buffer, 0, 56 );
351 high = ( ctx->total[0] >> 29 )
352 | ( ctx->total[1] << 3 );
353 low = ( ctx->total[0] << 3 );
355 PUT_UINT32_LE( low, ctx->buffer, 56 );
356 PUT_UINT32_LE( high, ctx->buffer, 60 );
358 if( ( ret = mbedtls_internal_md5_process( ctx, ctx->buffer ) ) != 0 )
364 PUT_UINT32_LE( ctx->state[0], output, 0 );
365 PUT_UINT32_LE( ctx->state[1], output, 4 );
366 PUT_UINT32_LE( ctx->state[2], output, 8 );
367 PUT_UINT32_LE( ctx->state[3], output, 12 );
372 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
373 void mbedtls_md5_finish( mbedtls_md5_context *ctx,
374 unsigned char output[16] )
376 mbedtls_md5_finish_ret( ctx, output );
380 #endif /* !MBEDTLS_MD5_ALT */
383 * output = MD5( input buffer )
385 int mbedtls_md5_ret( const unsigned char *input,
387 unsigned char output[16] )
390 mbedtls_md5_context ctx;
392 mbedtls_md5_init( &ctx );
394 if( ( ret = mbedtls_md5_starts_ret( &ctx ) ) != 0 )
397 if( ( ret = mbedtls_md5_update_ret( &ctx, input, ilen ) ) != 0 )
400 if( ( ret = mbedtls_md5_finish_ret( &ctx, output ) ) != 0 )
404 mbedtls_md5_free( &ctx );
409 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
410 void mbedtls_md5( const unsigned char *input,
412 unsigned char output[16] )
414 mbedtls_md5_ret( input, ilen, output );
418 #if defined(MBEDTLS_SELF_TEST)
420 * RFC 1321 test vectors
422 static const unsigned char md5_test_buf[7][81] =
427 { "message digest" },
428 { "abcdefghijklmnopqrstuvwxyz" },
429 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
430 { "12345678901234567890123456789012345678901234567890123456789012"
431 "345678901234567890" }
434 static const size_t md5_test_buflen[7] =
436 0, 1, 3, 14, 26, 62, 80
439 static const unsigned char md5_test_sum[7][16] =
441 { 0xD4, 0x1D, 0x8C, 0xD9, 0x8F, 0x00, 0xB2, 0x04,
442 0xE9, 0x80, 0x09, 0x98, 0xEC, 0xF8, 0x42, 0x7E },
443 { 0x0C, 0xC1, 0x75, 0xB9, 0xC0, 0xF1, 0xB6, 0xA8,
444 0x31, 0xC3, 0x99, 0xE2, 0x69, 0x77, 0x26, 0x61 },
445 { 0x90, 0x01, 0x50, 0x98, 0x3C, 0xD2, 0x4F, 0xB0,
446 0xD6, 0x96, 0x3F, 0x7D, 0x28, 0xE1, 0x7F, 0x72 },
447 { 0xF9, 0x6B, 0x69, 0x7D, 0x7C, 0xB7, 0x93, 0x8D,
448 0x52, 0x5A, 0x2F, 0x31, 0xAA, 0xF1, 0x61, 0xD0 },
449 { 0xC3, 0xFC, 0xD3, 0xD7, 0x61, 0x92, 0xE4, 0x00,
450 0x7D, 0xFB, 0x49, 0x6C, 0xCA, 0x67, 0xE1, 0x3B },
451 { 0xD1, 0x74, 0xAB, 0x98, 0xD2, 0x77, 0xD9, 0xF5,
452 0xA5, 0x61, 0x1C, 0x2C, 0x9F, 0x41, 0x9D, 0x9F },
453 { 0x57, 0xED, 0xF4, 0xA2, 0x2B, 0xE3, 0xC9, 0x55,
454 0xAC, 0x49, 0xDA, 0x2E, 0x21, 0x07, 0xB6, 0x7A }
460 int mbedtls_md5_self_test( int verbose )
463 unsigned char md5sum[16];
465 for( i = 0; i < 7; i++ )
468 mbedtls_printf( " MD5 test #%d: ", i + 1 );
470 ret = mbedtls_md5_ret( md5_test_buf[i], md5_test_buflen[i], md5sum );
474 if( memcmp( md5sum, md5_test_sum[i], 16 ) != 0 )
481 mbedtls_printf( "passed\n" );
485 mbedtls_printf( "\n" );
491 mbedtls_printf( "failed\n" );
496 #endif /* MBEDTLS_SELF_TEST */
498 #endif /* MBEDTLS_MD5_C */