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 |
|
---|
49 | static 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)
|
---|
333 | static 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
|
---|
343 | static 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 |
|
---|
359 | int 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 |
|
---|
381 | int 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 |
|
---|
425 | int 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 |
|
---|
485 | int 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 |
|
---|
493 | void 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 |
|
---|
502 | int 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 |
|
---|
518 | int 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 */
|
---|