source: asp3_tinet_ecnl_rx/trunk/wolfssl-3.12.2/wolfcrypt/src/md5.c@ 337

Last change on this file since 337 was 337, checked in by coas-nagasima, 6 years ago

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1/* md5.c
2 *
3 * Copyright (C) 2006-2017 wolfSSL Inc.
4 *
5 * This file is part of wolfSSL.
6 *
7 * wolfSSL is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * wolfSSL is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
20 */
21
22
23
24#ifdef HAVE_CONFIG_H
25 #include <config.h>
26#endif
27
28#include <wolfssl/wolfcrypt/settings.h>
29
30#if !defined(NO_MD5)
31
32#if defined(WOLFSSL_TI_HASH)
33 /* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
34
35#else
36
37#include <wolfssl/wolfcrypt/md5.h>
38#include <wolfssl/wolfcrypt/error-crypt.h>
39#include <wolfssl/wolfcrypt/logging.h>
40
41#ifdef NO_INLINE
42 #include <wolfssl/wolfcrypt/misc.h>
43#else
44 #define WOLFSSL_MISC_INCLUDED
45 #include <wolfcrypt/src/misc.c>
46#endif
47
48
49static INLINE void AddLength(wc_Md5* md5, word32 len);
50
51/* Hardware Acceleration */
52#if defined(STM32_HASH)
53
54 /*
55 * STM32F2/F4/F7 hardware MD5 support through the HASH_* API's from the
56 * Standard Peripheral Library or CubeMX (See note in README).
57 */
58
59 #define HAVE_MD5_CUST_API
60
61 /* STM32 register size, bytes */
62 #ifdef WOLFSSL_STM32_CUBEMX
63 #define MD5_REG_SIZE WC_MD5_BLOCK_SIZE
64 #else
65 #define MD5_REG_SIZE 4
66 /* STM32 struct notes:
67 * md5->buffer = first 4 bytes used to hold partial block if needed
68 * md5->buffLen = num bytes currently stored in md5->buffer
69 * md5->loLen = num bytes that have been written to STM32 FIFO
70 */
71 #endif
72 #define MD5_HW_TIMEOUT 0xFF
73
74 int wc_InitMd5_ex(wc_Md5* md5, void* heap, int devId)
75 {
76 if (md5 == NULL)
77 return BAD_FUNC_ARG;
78
79 (void)heap;
80 (void)devId;
81
82 md5->heap = heap;
83 XMEMSET(md5->buffer, 0, sizeof(md5->buffer));
84 md5->buffLen = 0;
85 md5->loLen = 0;
86 md5->hiLen = 0;
87
88 /* initialize HASH peripheral */
89 #ifdef WOLFSSL_STM32_CUBEMX
90 HAL_HASH_DeInit(&md5->hashHandle);
91 md5->hashHandle.Init.DataType = HASH_DATATYPE_8B;
92 if (HAL_HASH_Init(&md5->hashHandle) != HAL_OK) {
93 return ASYNC_INIT_E;
94 }
95 /* reset the hash control register */
96 /* required because Cube MX is not clearing algo bits */
97 HASH->CR &= ~HASH_CR_ALGO;
98 #else
99 HASH_DeInit();
100
101 /* reset the control register */
102 HASH->CR &= ~ (HASH_CR_ALGO | HASH_CR_DATATYPE | HASH_CR_MODE);
103
104 /* configure algo used, algo mode, datatype */
105 HASH->CR |= (HASH_AlgoSelection_MD5 | HASH_AlgoMode_HASH
106 | HASH_DataType_8b);
107
108 /* reset HASH processor */
109 HASH->CR |= HASH_CR_INIT;
110 #endif
111
112 return 0;
113 }
114
115 int wc_Md5Update(wc_Md5* md5, const byte* data, word32 len)
116 {
117 int ret = 0;
118 byte* local;
119
120 if (md5 == NULL || (data == NULL && len > 0)) {
121 return BAD_FUNC_ARG;
122 }
123
124 /* do block size increments */
125 local = (byte*)md5->buffer;
126
127 /* check that internal buffLen is valid */
128 if (md5->buffLen >= MD5_REG_SIZE)
129 return BUFFER_E;
130
131 while (len) {
132 word32 add = min(len, MD5_REG_SIZE - md5->buffLen);
133 XMEMCPY(&local[md5->buffLen], data, add);
134
135 md5->buffLen += add;
136 data += add;
137 len -= add;
138
139 if (md5->buffLen == MD5_REG_SIZE) {
140 #ifdef WOLFSSL_STM32_CUBEMX
141 if (HAL_HASH_MD5_Accumulate(
142 &md5->hashHandle, local, MD5_REG_SIZE) != HAL_OK) {
143 ret = ASYNC_OP_E;
144 }
145 #else
146 HASH_DataIn(*(uint32_t*)local);
147 #endif
148
149 AddLength(md5, MD5_REG_SIZE);
150 md5->buffLen = 0;
151 }
152 }
153 return ret;
154 }
155
156 int wc_Md5Final(wc_Md5* md5, byte* hash)
157 {
158 int ret = 0;
159
160 if (md5 == NULL || hash == NULL)
161 return BAD_FUNC_ARG;
162
163 #ifdef WOLFSSL_STM32_CUBEMX
164 if (HAL_HASH_MD5_Start(&md5->hashHandle,
165 (byte*)md5->buffer, md5->buffLen,
166 (byte*)md5->digest, MD5_HW_TIMEOUT) != HAL_OK) {
167 ret = ASYNC_OP_E;
168 }
169 #else
170 __IO uint16_t nbvalidbitsdata = 0;
171
172 /* finish reading any trailing bytes into FIFO */
173 if (md5->buffLen > 0) {
174 HASH_DataIn(*(uint32_t*)md5->buffer);
175 AddLength(md5, md5->buffLen);
176 }
177
178 /* calculate number of valid bits in last word of input data */
179 nbvalidbitsdata = 8 * (md5->loLen % MD5_REG_SIZE);
180
181 /* configure number of valid bits in last word of the data */
182 HASH_SetLastWordValidBitsNbr(nbvalidbitsdata);
183
184 /* start HASH processor */
185 HASH_StartDigest();
186
187 /* wait until Busy flag == RESET */
188 while (HASH_GetFlagStatus(HASH_FLAG_BUSY) != RESET) {}
189
190 /* read message digest */
191 md5->digest[0] = HASH->HR[0];
192 md5->digest[1] = HASH->HR[1];
193 md5->digest[2] = HASH->HR[2];
194 md5->digest[3] = HASH->HR[3];
195
196 ByteReverseWords(md5->digest, md5->digest, WC_MD5_DIGEST_SIZE);
197 #endif /* WOLFSSL_STM32_CUBEMX */
198
199 XMEMCPY(hash, md5->digest, WC_MD5_DIGEST_SIZE);
200
201 (void)wc_InitMd5(md5); /* reset state */
202
203 return ret;
204 }
205
206#elif defined(FREESCALE_MMCAU_SHA)
207 #include "cau_api.h"
208 #define XTRANSFORM(S,B) Transform((S), (B))
209
210 static int Transform(wc_Md5* md5, byte* data)
211 {
212 int ret = wolfSSL_CryptHwMutexLock();
213 if(ret == 0) {
214 #ifdef FREESCALE_MMCAU_CLASSIC_SHA
215 cau_md5_hash_n(data, 1, (unsigned char*)md5->digest);
216 #else
217 MMCAU_MD5_HashN(data, 1, (uint32_t*)md5->digest);
218 #endif
219 wolfSSL_CryptHwMutexUnLock();
220 }
221 return ret;
222 }
223
224#elif defined(WOLFSSL_PIC32MZ_HASH)
225 #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
226 #define HAVE_MD5_CUST_API
227
228#else
229 #define NEED_SOFT_MD5
230
231#endif /* End Hardware Acceleration */
232
233
234#ifdef NEED_SOFT_MD5
235
236 #define XTRANSFORM(S,B) Transform((S))
237
238 #define F1(x, y, z) (z ^ (x & (y ^ z)))
239 #define F2(x, y, z) F1(z, x, y)
240 #define F3(x, y, z) (x ^ y ^ z)
241 #define F4(x, y, z) (y ^ (x | ~z))
242
243 #define MD5STEP(f, w, x, y, z, data, s) \
244 w = rotlFixed(w + f(x, y, z) + data, s) + x
245
246 static int Transform(wc_Md5* md5)
247 {
248 /* Copy context->state[] to working vars */
249 word32 a = md5->digest[0];
250 word32 b = md5->digest[1];
251 word32 c = md5->digest[2];
252 word32 d = md5->digest[3];
253
254 MD5STEP(F1, a, b, c, d, md5->buffer[0] + 0xd76aa478, 7);
255 MD5STEP(F1, d, a, b, c, md5->buffer[1] + 0xe8c7b756, 12);
256 MD5STEP(F1, c, d, a, b, md5->buffer[2] + 0x242070db, 17);
257 MD5STEP(F1, b, c, d, a, md5->buffer[3] + 0xc1bdceee, 22);
258 MD5STEP(F1, a, b, c, d, md5->buffer[4] + 0xf57c0faf, 7);
259 MD5STEP(F1, d, a, b, c, md5->buffer[5] + 0x4787c62a, 12);
260 MD5STEP(F1, c, d, a, b, md5->buffer[6] + 0xa8304613, 17);
261 MD5STEP(F1, b, c, d, a, md5->buffer[7] + 0xfd469501, 22);
262 MD5STEP(F1, a, b, c, d, md5->buffer[8] + 0x698098d8, 7);
263 MD5STEP(F1, d, a, b, c, md5->buffer[9] + 0x8b44f7af, 12);
264 MD5STEP(F1, c, d, a, b, md5->buffer[10] + 0xffff5bb1, 17);
265 MD5STEP(F1, b, c, d, a, md5->buffer[11] + 0x895cd7be, 22);
266 MD5STEP(F1, a, b, c, d, md5->buffer[12] + 0x6b901122, 7);
267 MD5STEP(F1, d, a, b, c, md5->buffer[13] + 0xfd987193, 12);
268 MD5STEP(F1, c, d, a, b, md5->buffer[14] + 0xa679438e, 17);
269 MD5STEP(F1, b, c, d, a, md5->buffer[15] + 0x49b40821, 22);
270
271 MD5STEP(F2, a, b, c, d, md5->buffer[1] + 0xf61e2562, 5);
272 MD5STEP(F2, d, a, b, c, md5->buffer[6] + 0xc040b340, 9);
273 MD5STEP(F2, c, d, a, b, md5->buffer[11] + 0x265e5a51, 14);
274 MD5STEP(F2, b, c, d, a, md5->buffer[0] + 0xe9b6c7aa, 20);
275 MD5STEP(F2, a, b, c, d, md5->buffer[5] + 0xd62f105d, 5);
276 MD5STEP(F2, d, a, b, c, md5->buffer[10] + 0x02441453, 9);
277 MD5STEP(F2, c, d, a, b, md5->buffer[15] + 0xd8a1e681, 14);
278 MD5STEP(F2, b, c, d, a, md5->buffer[4] + 0xe7d3fbc8, 20);
279 MD5STEP(F2, a, b, c, d, md5->buffer[9] + 0x21e1cde6, 5);
280 MD5STEP(F2, d, a, b, c, md5->buffer[14] + 0xc33707d6, 9);
281 MD5STEP(F2, c, d, a, b, md5->buffer[3] + 0xf4d50d87, 14);
282 MD5STEP(F2, b, c, d, a, md5->buffer[8] + 0x455a14ed, 20);
283 MD5STEP(F2, a, b, c, d, md5->buffer[13] + 0xa9e3e905, 5);
284 MD5STEP(F2, d, a, b, c, md5->buffer[2] + 0xfcefa3f8, 9);
285 MD5STEP(F2, c, d, a, b, md5->buffer[7] + 0x676f02d9, 14);
286 MD5STEP(F2, b, c, d, a, md5->buffer[12] + 0x8d2a4c8a, 20);
287
288 MD5STEP(F3, a, b, c, d, md5->buffer[5] + 0xfffa3942, 4);
289 MD5STEP(F3, d, a, b, c, md5->buffer[8] + 0x8771f681, 11);
290 MD5STEP(F3, c, d, a, b, md5->buffer[11] + 0x6d9d6122, 16);
291 MD5STEP(F3, b, c, d, a, md5->buffer[14] + 0xfde5380c, 23);
292 MD5STEP(F3, a, b, c, d, md5->buffer[1] + 0xa4beea44, 4);
293 MD5STEP(F3, d, a, b, c, md5->buffer[4] + 0x4bdecfa9, 11);
294 MD5STEP(F3, c, d, a, b, md5->buffer[7] + 0xf6bb4b60, 16);
295 MD5STEP(F3, b, c, d, a, md5->buffer[10] + 0xbebfbc70, 23);
296 MD5STEP(F3, a, b, c, d, md5->buffer[13] + 0x289b7ec6, 4);
297 MD5STEP(F3, d, a, b, c, md5->buffer[0] + 0xeaa127fa, 11);
298 MD5STEP(F3, c, d, a, b, md5->buffer[3] + 0xd4ef3085, 16);
299 MD5STEP(F3, b, c, d, a, md5->buffer[6] + 0x04881d05, 23);
300 MD5STEP(F3, a, b, c, d, md5->buffer[9] + 0xd9d4d039, 4);
301 MD5STEP(F3, d, a, b, c, md5->buffer[12] + 0xe6db99e5, 11);
302 MD5STEP(F3, c, d, a, b, md5->buffer[15] + 0x1fa27cf8, 16);
303 MD5STEP(F3, b, c, d, a, md5->buffer[2] + 0xc4ac5665, 23);
304
305 MD5STEP(F4, a, b, c, d, md5->buffer[0] + 0xf4292244, 6);
306 MD5STEP(F4, d, a, b, c, md5->buffer[7] + 0x432aff97, 10);
307 MD5STEP(F4, c, d, a, b, md5->buffer[14] + 0xab9423a7, 15);
308 MD5STEP(F4, b, c, d, a, md5->buffer[5] + 0xfc93a039, 21);
309 MD5STEP(F4, a, b, c, d, md5->buffer[12] + 0x655b59c3, 6);
310 MD5STEP(F4, d, a, b, c, md5->buffer[3] + 0x8f0ccc92, 10);
311 MD5STEP(F4, c, d, a, b, md5->buffer[10] + 0xffeff47d, 15);
312 MD5STEP(F4, b, c, d, a, md5->buffer[1] + 0x85845dd1, 21);
313 MD5STEP(F4, a, b, c, d, md5->buffer[8] + 0x6fa87e4f, 6);
314 MD5STEP(F4, d, a, b, c, md5->buffer[15] + 0xfe2ce6e0, 10);
315 MD5STEP(F4, c, d, a, b, md5->buffer[6] + 0xa3014314, 15);
316 MD5STEP(F4, b, c, d, a, md5->buffer[13] + 0x4e0811a1, 21);
317 MD5STEP(F4, a, b, c, d, md5->buffer[4] + 0xf7537e82, 6);
318 MD5STEP(F4, d, a, b, c, md5->buffer[11] + 0xbd3af235, 10);
319 MD5STEP(F4, c, d, a, b, md5->buffer[2] + 0x2ad7d2bb, 15);
320 MD5STEP(F4, b, c, d, a, md5->buffer[9] + 0xeb86d391, 21);
321
322 /* Add the working vars back into digest state[] */
323 md5->digest[0] += a;
324 md5->digest[1] += b;
325 md5->digest[2] += c;
326 md5->digest[3] += d;
327
328 return 0;
329 }
330#endif /* NEED_SOFT_MD5 */
331
332#if !defined(HAVE_MD5_CUST_API) || defined(STM32_HASH)
333static INLINE void AddLength(wc_Md5* md5, word32 len)
334{
335 word32 tmp = md5->loLen;
336 if ((md5->loLen += len) < tmp) {
337 md5->hiLen++; /* carry low to high */
338 }
339}
340#endif
341
342#ifndef HAVE_MD5_CUST_API
343static int _InitMd5(wc_Md5* md5)
344{
345 int ret = 0;
346
347 md5->digest[0] = 0x67452301L;
348 md5->digest[1] = 0xefcdab89L;
349 md5->digest[2] = 0x98badcfeL;
350 md5->digest[3] = 0x10325476L;
351
352 md5->buffLen = 0;
353 md5->loLen = 0;
354 md5->hiLen = 0;
355
356 return ret;
357}
358
359int wc_InitMd5_ex(wc_Md5* md5, void* heap, int devId)
360{
361 int ret = 0;
362
363 if (md5 == NULL)
364 return BAD_FUNC_ARG;
365
366 md5->heap = heap;
367
368 ret = _InitMd5(md5);
369 if (ret != 0)
370 return ret;
371
372#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
373 ret = wolfAsync_DevCtxInit(&md5->asyncDev, WOLFSSL_ASYNC_MARKER_MD5,
374 md5->heap, devId);
375#else
376 (void)devId;
377#endif
378 return ret;
379}
380
381int wc_Md5Update(wc_Md5* md5, const byte* data, word32 len)
382{
383 int ret = 0;
384 byte* local;
385
386 if (md5 == NULL || (data == NULL && len > 0)) {
387 return BAD_FUNC_ARG;
388 }
389
390#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
391 if (md5->asyncDev.marker == WOLFSSL_ASYNC_MARKER_MD5) {
392 #if defined(HAVE_INTEL_QA)
393 return IntelQaSymMd5(&md5->asyncDev, NULL, data, len);
394 #endif
395 }
396#endif /* WOLFSSL_ASYNC_CRYPT */
397
398 /* do block size increments */
399 local = (byte*)md5->buffer;
400
401 /* check that internal buffLen is valid */
402 if (md5->buffLen >= WC_MD5_BLOCK_SIZE)
403 return BUFFER_E;
404
405 while (len) {
406 word32 add = min(len, WC_MD5_BLOCK_SIZE - md5->buffLen);
407 XMEMCPY(&local[md5->buffLen], data, add);
408
409 md5->buffLen += add;
410 data += add;
411 len -= add;
412
413 if (md5->buffLen == WC_MD5_BLOCK_SIZE) {
414 #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
415 ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
416 #endif
417 XTRANSFORM(md5, local);
418 AddLength(md5, WC_MD5_BLOCK_SIZE);
419 md5->buffLen = 0;
420 }
421 }
422 return ret;
423}
424
425int wc_Md5Final(wc_Md5* md5, byte* hash)
426{
427 byte* local;
428
429 if (md5 == NULL || hash == NULL) {
430 return BAD_FUNC_ARG;
431 }
432
433#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
434 if (md5->asyncDev.marker == WOLFSSL_ASYNC_MARKER_MD5) {
435 #if defined(HAVE_INTEL_QA)
436 return IntelQaSymMd5(&md5->asyncDev, hash, NULL, WC_MD5_DIGEST_SIZE);
437 #endif
438 }
439#endif /* WOLFSSL_ASYNC_CRYPT */
440
441 local = (byte*)md5->buffer;
442
443 AddLength(md5, md5->buffLen); /* before adding pads */
444 local[md5->buffLen++] = 0x80; /* add 1 */
445
446 /* pad with zeros */
447 if (md5->buffLen > WC_MD5_PAD_SIZE) {
448 XMEMSET(&local[md5->buffLen], 0, WC_MD5_BLOCK_SIZE - md5->buffLen);
449 md5->buffLen += WC_MD5_BLOCK_SIZE - md5->buffLen;
450
451 #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
452 ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
453 #endif
454 XTRANSFORM(md5, local);
455 md5->buffLen = 0;
456 }
457 XMEMSET(&local[md5->buffLen], 0, WC_MD5_PAD_SIZE - md5->buffLen);
458
459#if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
460 ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
461#endif
462
463 /* put lengths in bits */
464 md5->hiLen = (md5->loLen >> (8*sizeof(md5->loLen) - 3)) +
465 (md5->hiLen << 3);
466 md5->loLen = md5->loLen << 3;
467
468 /* store lengths */
469 /* ! length ordering dependent on digest endian type ! */
470 XMEMCPY(&local[WC_MD5_PAD_SIZE], &md5->loLen, sizeof(word32));
471 XMEMCPY(&local[WC_MD5_PAD_SIZE + sizeof(word32)], &md5->hiLen, sizeof(word32));
472
473 /* final transform and result to hash */
474 XTRANSFORM(md5, local);
475#ifdef BIG_ENDIAN_ORDER
476 ByteReverseWords(md5->digest, md5->digest, WC_MD5_DIGEST_SIZE);
477#endif
478 XMEMCPY(hash, md5->digest, WC_MD5_DIGEST_SIZE);
479
480 return _InitMd5(md5); /* reset state */
481}
482#endif /* !HAVE_MD5_CUST_API */
483
484
485int wc_InitMd5(wc_Md5* md5)
486{
487 if (md5 == NULL) {
488 return BAD_FUNC_ARG;
489 }
490 return wc_InitMd5_ex(md5, NULL, INVALID_DEVID);
491}
492
493void wc_Md5Free(wc_Md5* md5)
494{
495 if (md5 == NULL)
496 return;
497#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
498 wolfAsync_DevCtxFree(&md5->asyncDev, WOLFSSL_ASYNC_MARKER_MD5);
499#endif /* WOLFSSL_ASYNC_CRYPT */
500}
501
502int wc_Md5GetHash(wc_Md5* md5, byte* hash)
503{
504 int ret;
505 wc_Md5 tmpMd5;
506
507 if (md5 == NULL || hash == NULL)
508 return BAD_FUNC_ARG;
509
510 ret = wc_Md5Copy(md5, &tmpMd5);
511 if (ret == 0) {
512 ret = wc_Md5Final(&tmpMd5, hash);
513 }
514
515 return ret;
516}
517
518int wc_Md5Copy(wc_Md5* src, wc_Md5* dst)
519{
520 int ret = 0;
521
522 if (src == NULL || dst == NULL)
523 return BAD_FUNC_ARG;
524
525 XMEMCPY(dst, src, sizeof(wc_Md5));
526
527#ifdef WOLFSSL_ASYNC_CRYPT
528 ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
529#endif
530#ifdef WOLFSSL_PIC32MZ_HASH
531 ret = wc_Pic32HashCopy(&src->cache, &dst->cache);
532#endif
533
534 return ret;
535}
536
537#endif /* WOLFSSL_TI_HASH */
538#endif /* NO_MD5 */
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