source: azure_iot_hub_f767zi/trunk/wolfssl-4.7.0/wolfcrypt/src/sha.c@ 464

Last change on this file since 464 was 464, checked in by coas-nagasima, 3 years ago

WolfSSLとAzure IoT SDKを更新
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1/* sha.c
2 *
3 * Copyright (C) 2006-2020 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#ifdef HAVE_CONFIG_H
24 #include <config.h>
25#endif
26
27#include <wolfssl/wolfcrypt/settings.h>
28
29#if !defined(NO_SHA)
30
31#if defined(HAVE_FIPS) && \
32 defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
33
34 /* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
35 #define FIPS_NO_WRAPPERS
36
37 #ifdef USE_WINDOWS_API
38 #pragma code_seg(".fipsA$j")
39 #pragma const_seg(".fipsB$j")
40 #endif
41#endif
42
43#include <wolfssl/wolfcrypt/sha.h>
44#include <wolfssl/wolfcrypt/error-crypt.h>
45#include <wolfssl/wolfcrypt/hash.h>
46
47#ifdef WOLF_CRYPTO_CB
48 #include <wolfssl/wolfcrypt/cryptocb.h>
49#endif
50
51/* fips wrapper calls, user can call direct */
52#if defined(HAVE_FIPS) && \
53 (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
54
55 int wc_InitSha(wc_Sha* sha)
56 {
57 if (sha == NULL) {
58 return BAD_FUNC_ARG;
59 }
60 return InitSha_fips(sha);
61 }
62 int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
63 {
64 (void)heap;
65 (void)devId;
66 if (sha == NULL) {
67 return BAD_FUNC_ARG;
68 }
69 return InitSha_fips(sha);
70 }
71
72 int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
73 {
74 if (sha == NULL || (data == NULL && len > 0)) {
75 return BAD_FUNC_ARG;
76 }
77 return ShaUpdate_fips(sha, data, len);
78 }
79
80 int wc_ShaFinal(wc_Sha* sha, byte* out)
81 {
82 if (sha == NULL || out == NULL) {
83 return BAD_FUNC_ARG;
84 }
85 return ShaFinal_fips(sha,out);
86 }
87 void wc_ShaFree(wc_Sha* sha)
88 {
89 (void)sha;
90 /* Not supported in FIPS */
91 }
92
93#else /* else build without fips, or for FIPS v2 */
94
95
96#if defined(WOLFSSL_TI_HASH)
97 /* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
98
99#else
100
101#include <wolfssl/wolfcrypt/logging.h>
102#ifdef NO_INLINE
103 #include <wolfssl/wolfcrypt/misc.h>
104#else
105 #define WOLFSSL_MISC_INCLUDED
106 #include <wolfcrypt/src/misc.c>
107#endif
108
109
110/* Hardware Acceleration */
111#if defined(WOLFSSL_PIC32MZ_HASH)
112 #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
113
114#elif defined(STM32_HASH)
115
116 /* Supports CubeMX HAL or Standard Peripheral Library */
117 int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
118 {
119 if (sha == NULL) {
120 return BAD_FUNC_ARG;
121 }
122
123 (void)devId;
124 (void)heap;
125
126 wc_Stm32_Hash_Init(&sha->stmCtx);
127
128 return 0;
129 }
130
131 int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
132 {
133 int ret;
134
135 if (sha == NULL || (data == NULL && len > 0)) {
136 return BAD_FUNC_ARG;
137 }
138
139 ret = wolfSSL_CryptHwMutexLock();
140 if (ret == 0) {
141 ret = wc_Stm32_Hash_Update(&sha->stmCtx, HASH_AlgoSelection_SHA1,
142 data, len);
143 wolfSSL_CryptHwMutexUnLock();
144 }
145 return ret;
146 }
147
148 int wc_ShaFinal(wc_Sha* sha, byte* hash)
149 {
150 int ret;
151
152 if (sha == NULL || hash == NULL) {
153 return BAD_FUNC_ARG;
154 }
155
156 ret = wolfSSL_CryptHwMutexLock();
157 if (ret == 0) {
158 ret = wc_Stm32_Hash_Final(&sha->stmCtx, HASH_AlgoSelection_SHA1,
159 hash, WC_SHA_DIGEST_SIZE);
160 wolfSSL_CryptHwMutexUnLock();
161 }
162
163 (void)wc_InitSha(sha); /* reset state */
164
165 return ret;
166 }
167
168
169#elif defined(FREESCALE_LTC_SHA)
170
171 #include "fsl_ltc.h"
172 int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
173 {
174 if (sha == NULL) {
175 return BAD_FUNC_ARG;
176 }
177
178 (void)devId;
179 (void)heap;
180
181 LTC_HASH_Init(LTC_BASE, &sha->ctx, kLTC_Sha1, NULL, 0);
182 return 0;
183 }
184
185 int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
186 {
187 LTC_HASH_Update(&sha->ctx, data, len);
188 return 0;
189 }
190
191 int wc_ShaFinal(wc_Sha* sha, byte* hash)
192 {
193 word32 hashlen = WC_SHA_DIGEST_SIZE;
194 LTC_HASH_Finish(&sha->ctx, hash, &hashlen);
195 return wc_InitSha(sha); /* reset state */
196 }
197
198
199#elif defined(FREESCALE_MMCAU_SHA)
200
201 #ifdef FREESCALE_MMCAU_CLASSIC_SHA
202 #include "cau_api.h"
203 #else
204 #include "fsl_mmcau.h"
205 #endif
206
207 #define USE_SHA_SOFTWARE_IMPL /* Only for API's, actual transform is here */
208
209 #define XTRANSFORM(S,B) Transform((S),(B))
210 #define XTRANSFORM_LEN(S,B,L) Transform_Len((S),(B),(L))
211
212 #ifndef WC_HASH_DATA_ALIGNMENT
213 /* these hardware API's require 4 byte (word32) alignment */
214 #define WC_HASH_DATA_ALIGNMENT 4
215 #endif
216
217 static int InitSha(wc_Sha* sha)
218 {
219 int ret = 0;
220 ret = wolfSSL_CryptHwMutexLock();
221 if (ret != 0) {
222 return ret;
223 }
224 #ifdef FREESCALE_MMCAU_CLASSIC_SHA
225 cau_sha1_initialize_output(sha->digest);
226 #else
227 MMCAU_SHA1_InitializeOutput((word32*)sha->digest);
228 #endif
229 wolfSSL_CryptHwMutexUnLock();
230
231 sha->buffLen = 0;
232 sha->loLen = 0;
233 sha->hiLen = 0;
234
235 return ret;
236 }
237
238 static int Transform(wc_Sha* sha, const byte* data)
239 {
240 int ret = wolfSSL_CryptHwMutexLock();
241 if (ret == 0) {
242 #ifdef FREESCALE_MMCAU_CLASSIC_SHA
243 cau_sha1_hash_n((byte*)data, 1, sha->digest);
244 #else
245 MMCAU_SHA1_HashN((byte*)data, 1, (word32*)sha->digest);
246 #endif
247 wolfSSL_CryptHwMutexUnLock();
248 }
249 return ret;
250 }
251
252 static int Transform_Len(wc_Sha* sha, const byte* data, word32 len)
253 {
254 int ret = wolfSSL_CryptHwMutexLock();
255 if (ret == 0) {
256 #if defined(WC_HASH_DATA_ALIGNMENT) && WC_HASH_DATA_ALIGNMENT > 0
257 if ((size_t)data % WC_HASH_DATA_ALIGNMENT) {
258 /* data pointer is NOT aligned,
259 * so copy and perform one block at a time */
260 byte* local = (byte*)sha->buffer;
261 while (len >= WC_SHA_BLOCK_SIZE) {
262 XMEMCPY(local, data, WC_SHA_BLOCK_SIZE);
263 #ifdef FREESCALE_MMCAU_CLASSIC_SHA
264 cau_sha1_hash_n(local, 1, sha->digest);
265 #else
266 MMCAU_SHA1_HashN(local, 1, sha->digest);
267 #endif
268 data += WC_SHA_BLOCK_SIZE;
269 len -= WC_SHA_BLOCK_SIZE;
270 }
271 }
272 else
273 #endif
274 {
275 #ifdef FREESCALE_MMCAU_CLASSIC_SHA
276 cau_sha1_hash_n((byte*)data, len/WC_SHA_BLOCK_SIZE, sha->digest);
277 #else
278 MMCAU_SHA1_HashN((byte*)data, len/WC_SHA_BLOCK_SIZE,
279 (word32*)sha->digest);
280 #endif
281 }
282 wolfSSL_CryptHwMutexUnLock();
283 }
284 return ret;
285 }
286
287#elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
288 /* wolfcrypt/src/port/caam/caam_sha.c */
289
290#elif defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
291 !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
292
293 #include "wolfssl/wolfcrypt/port/Espressif/esp32-crypt.h"
294
295 #define USE_SHA_SOFTWARE_IMPL
296
297 static int InitSha(wc_Sha* sha)
298 {
299 int ret = 0;
300
301 sha->digest[0] = 0x67452301L;
302 sha->digest[1] = 0xEFCDAB89L;
303 sha->digest[2] = 0x98BADCFEL;
304 sha->digest[3] = 0x10325476L;
305 sha->digest[4] = 0xC3D2E1F0L;
306
307 sha->buffLen = 0;
308 sha->loLen = 0;
309 sha->hiLen = 0;
310
311 /* always start firstblock = 1 when using hw engine */
312 sha->ctx.isfirstblock = 1;
313 sha->ctx.sha_type = SHA1;
314 if(sha->ctx.mode == ESP32_SHA_HW){
315 /* release hw engine */
316 esp_sha_hw_unlock();
317 }
318 /* always set mode as INIT
319 * whether using HW or SW is determined at first call of update()
320 */
321 sha->ctx.mode = ESP32_SHA_INIT;
322
323 return ret;
324 }
325
326#elif defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
327 !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
328
329 /* implemented in wolfcrypt/src/port/Renesas/renesas_tsip_sha.c */
330
331#elif defined(WOLFSSL_IMXRT_DCP)
332 /* implemented in wolfcrypt/src/port/nxp/dcp_port.c */
333
334#elif defined(WOLFSSL_SILABS_SE_ACCEL)
335
336 /* implemented in wolfcrypt/src/port/silabs/silabs_hash.c */
337
338#else
339 /* Software implementation */
340 #define USE_SHA_SOFTWARE_IMPL
341
342 static int InitSha(wc_Sha* sha)
343 {
344 int ret = 0;
345
346 sha->digest[0] = 0x67452301L;
347 sha->digest[1] = 0xEFCDAB89L;
348 sha->digest[2] = 0x98BADCFEL;
349 sha->digest[3] = 0x10325476L;
350 sha->digest[4] = 0xC3D2E1F0L;
351
352 sha->buffLen = 0;
353 sha->loLen = 0;
354 sha->hiLen = 0;
355 #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
356 sha->flags = 0;
357 #endif
358
359 return ret;
360 }
361#endif /* End Hardware Acceleration */
362
363/* Software implementation */
364#ifdef USE_SHA_SOFTWARE_IMPL
365
366static WC_INLINE void AddLength(wc_Sha* sha, word32 len)
367{
368 word32 tmp = sha->loLen;
369 if ((sha->loLen += len) < tmp)
370 sha->hiLen++; /* carry low to high */
371}
372
373/* Check if custom wc_Sha transform is used */
374#ifndef XTRANSFORM
375 #define XTRANSFORM(S,B) Transform((S),(B))
376
377 #define blk0(i) (W[i] = *((word32*)&data[i*sizeof(word32)]))
378 #define blk1(i) (W[(i)&15] = \
379 rotlFixed(W[((i)+13)&15]^W[((i)+8)&15]^W[((i)+2)&15]^W[(i)&15],1))
380
381 #define f1(x,y,z) ((z)^((x) &((y)^(z))))
382 #define f2(x,y,z) ((x)^(y)^(z))
383 #define f3(x,y,z) (((x)&(y))|((z)&((x)|(y))))
384 #define f4(x,y,z) ((x)^(y)^(z))
385
386 #ifdef WOLFSSL_NUCLEUS_1_2
387 /* nucleus.h also defines R1-R4 */
388 #undef R1
389 #undef R2
390 #undef R3
391 #undef R4
392 #endif
393
394 /* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
395 #define R0(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk0((i)) + 0x5A827999+ \
396 rotlFixed((v),5); (w) = rotlFixed((w),30);
397 #define R1(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk1((i)) + 0x5A827999+ \
398 rotlFixed((v),5); (w) = rotlFixed((w),30);
399 #define R2(v,w,x,y,z,i) (z)+= f2((w),(x),(y)) + blk1((i)) + 0x6ED9EBA1+ \
400 rotlFixed((v),5); (w) = rotlFixed((w),30);
401 #define R3(v,w,x,y,z,i) (z)+= f3((w),(x),(y)) + blk1((i)) + 0x8F1BBCDC+ \
402 rotlFixed((v),5); (w) = rotlFixed((w),30);
403 #define R4(v,w,x,y,z,i) (z)+= f4((w),(x),(y)) + blk1((i)) + 0xCA62C1D6+ \
404 rotlFixed((v),5); (w) = rotlFixed((w),30);
405
406 static int Transform(wc_Sha* sha, const byte* data)
407 {
408 word32 W[WC_SHA_BLOCK_SIZE / sizeof(word32)];
409
410 /* Copy context->state[] to working vars */
411 word32 a = sha->digest[0];
412 word32 b = sha->digest[1];
413 word32 c = sha->digest[2];
414 word32 d = sha->digest[3];
415 word32 e = sha->digest[4];
416
417 #ifdef USE_SLOW_SHA
418 word32 t, i;
419
420 for (i = 0; i < 16; i++) {
421 R0(a, b, c, d, e, i);
422 t = e; e = d; d = c; c = b; b = a; a = t;
423 }
424
425 for (; i < 20; i++) {
426 R1(a, b, c, d, e, i);
427 t = e; e = d; d = c; c = b; b = a; a = t;
428 }
429
430 for (; i < 40; i++) {
431 R2(a, b, c, d, e, i);
432 t = e; e = d; d = c; c = b; b = a; a = t;
433 }
434
435 for (; i < 60; i++) {
436 R3(a, b, c, d, e, i);
437 t = e; e = d; d = c; c = b; b = a; a = t;
438 }
439
440 for (; i < 80; i++) {
441 R4(a, b, c, d, e, i);
442 t = e; e = d; d = c; c = b; b = a; a = t;
443 }
444 #else
445 /* nearly 1 K bigger in code size but 25% faster */
446 /* 4 rounds of 20 operations each. Loop unrolled. */
447 R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
448 R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
449 R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
450 R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
451
452 R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
453
454 R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
455 R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
456 R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
457 R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
458 R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
459
460 R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
461 R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
462 R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
463 R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
464 R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
465
466 R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
467 R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
468 R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
469 R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
470 R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
471 #endif
472
473 /* Add the working vars back into digest state[] */
474 sha->digest[0] += a;
475 sha->digest[1] += b;
476 sha->digest[2] += c;
477 sha->digest[3] += d;
478 sha->digest[4] += e;
479
480 (void)data; /* Not used */
481
482 return 0;
483 }
484#endif /* !USE_CUSTOM_SHA_TRANSFORM */
485
486
487int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
488{
489 int ret = 0;
490
491 if (sha == NULL)
492 return BAD_FUNC_ARG;
493
494 sha->heap = heap;
495#ifdef WOLF_CRYPTO_CB
496 sha->devId = devId;
497#endif
498
499#if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
500 !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
501 sha->ctx.mode = ESP32_SHA_INIT;
502 sha->ctx.isfirstblock = 1;
503#endif
504 ret = InitSha(sha);
505 if (ret != 0)
506 return ret;
507
508#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
509 ret = wolfAsync_DevCtxInit(&sha->asyncDev, WOLFSSL_ASYNC_MARKER_SHA,
510 sha->heap, devId);
511#else
512 (void)devId;
513#endif /* WOLFSSL_ASYNC_CRYPT */
514
515 return ret;
516}
517
518/* do block size increments/updates */
519int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
520{
521 int ret = 0;
522 word32 blocksLen;
523 byte* local;
524
525 if (sha == NULL || (data == NULL && len > 0)) {
526 return BAD_FUNC_ARG;
527 }
528
529 if (data == NULL && len == 0) {
530 /* valid, but do nothing */
531 return 0;
532 }
533
534#ifdef WOLF_CRYPTO_CB
535 if (sha->devId != INVALID_DEVID) {
536 ret = wc_CryptoCb_ShaHash(sha, data, len, NULL);
537 if (ret != CRYPTOCB_UNAVAILABLE)
538 return ret;
539 ret = 0; /* reset ret */
540 /* fall-through when unavailable */
541 }
542#endif
543#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
544 if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) {
545 #if defined(HAVE_INTEL_QA)
546 return IntelQaSymSha(&sha->asyncDev, NULL, data, len);
547 #endif
548 }
549#endif /* WOLFSSL_ASYNC_CRYPT */
550
551 /* check that internal buffLen is valid */
552 if (sha->buffLen >= WC_SHA_BLOCK_SIZE)
553 return BUFFER_E;
554
555 /* add length for final */
556 AddLength(sha, len);
557
558 local = (byte*)sha->buffer;
559
560 /* process any remainder from previous operation */
561 if (sha->buffLen > 0) {
562 blocksLen = min(len, WC_SHA_BLOCK_SIZE - sha->buffLen);
563 XMEMCPY(&local[sha->buffLen], data, blocksLen);
564
565 sha->buffLen += blocksLen;
566 data += blocksLen;
567 len -= blocksLen;
568
569 if (sha->buffLen == WC_SHA_BLOCK_SIZE) {
570 #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
571 ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
572 #endif
573
574 #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
575 !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
576 if (sha->ctx.mode == ESP32_SHA_INIT) {
577 esp_sha_try_hw_lock(&sha->ctx);
578 }
579 if (sha->ctx.mode == ESP32_SHA_SW) {
580 ret = XTRANSFORM(sha, (const byte*)local);
581 } else {
582 esp_sha_process(sha, (const byte*)local);
583 }
584 #else
585 ret = XTRANSFORM(sha, (const byte*)local);
586 #endif
587 if (ret != 0)
588 return ret;
589
590 sha->buffLen = 0;
591 }
592 }
593
594 /* process blocks */
595#ifdef XTRANSFORM_LEN
596 /* get number of blocks */
597 /* 64-1 = 0x3F (~ Inverted = 0xFFFFFFC0) */
598 /* len (masked by 0xFFFFFFC0) returns block aligned length */
599 blocksLen = len & ~(WC_SHA_BLOCK_SIZE-1);
600 if (blocksLen > 0) {
601 /* Byte reversal performed in function if required. */
602 XTRANSFORM_LEN(sha, data, blocksLen);
603 data += blocksLen;
604 len -= blocksLen;
605 }
606#else
607 while (len >= WC_SHA_BLOCK_SIZE) {
608 word32* local32 = sha->buffer;
609 /* optimization to avoid memcpy if data pointer is properly aligned */
610 /* Little Endian requires byte swap, so can't use data directly */
611 #if defined(WC_HASH_DATA_ALIGNMENT) && !defined(LITTLE_ENDIAN_ORDER)
612 if (((size_t)data % WC_HASH_DATA_ALIGNMENT) == 0) {
613 local32 = (word32*)data;
614 }
615 else
616 #endif
617 {
618 XMEMCPY(local32, data, WC_SHA_BLOCK_SIZE);
619 }
620
621 data += WC_SHA_BLOCK_SIZE;
622 len -= WC_SHA_BLOCK_SIZE;
623
624 #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
625 ByteReverseWords(local32, local32, WC_SHA_BLOCK_SIZE);
626 #endif
627
628 #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
629 !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
630 if (sha->ctx.mode == ESP32_SHA_INIT){
631 esp_sha_try_hw_lock(&sha->ctx);
632 }
633 if (sha->ctx.mode == ESP32_SHA_SW){
634 ret = XTRANSFORM(sha, (const byte*)local32);
635 } else {
636 esp_sha_process(sha, (const byte*)local32);
637 }
638 #else
639 ret = XTRANSFORM(sha, (const byte*)local32);
640 #endif
641 }
642#endif /* XTRANSFORM_LEN */
643
644 /* save remainder */
645 if (len > 0) {
646 XMEMCPY(local, data, len);
647 sha->buffLen = len;
648 }
649
650 return ret;
651}
652
653int wc_ShaFinalRaw(wc_Sha* sha, byte* hash)
654{
655#ifdef LITTLE_ENDIAN_ORDER
656 word32 digest[WC_SHA_DIGEST_SIZE / sizeof(word32)];
657#endif
658
659 if (sha == NULL || hash == NULL) {
660 return BAD_FUNC_ARG;
661 }
662
663#ifdef LITTLE_ENDIAN_ORDER
664 ByteReverseWords((word32*)digest, (word32*)sha->digest, WC_SHA_DIGEST_SIZE);
665 XMEMCPY(hash, digest, WC_SHA_DIGEST_SIZE);
666#else
667 XMEMCPY(hash, sha->digest, WC_SHA_DIGEST_SIZE);
668#endif
669
670 return 0;
671}
672
673int wc_ShaFinal(wc_Sha* sha, byte* hash)
674{
675 int ret;
676 byte* local;
677
678 if (sha == NULL || hash == NULL) {
679 return BAD_FUNC_ARG;
680 }
681
682 local = (byte*)sha->buffer;
683
684#ifdef WOLF_CRYPTO_CB
685 if (sha->devId != INVALID_DEVID) {
686 ret = wc_CryptoCb_ShaHash(sha, NULL, 0, hash);
687 if (ret != CRYPTOCB_UNAVAILABLE)
688 return ret;
689 /* fall-through when unavailable */
690 }
691#endif
692#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
693 if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) {
694 #if defined(HAVE_INTEL_QA)
695 return IntelQaSymSha(&sha->asyncDev, hash, NULL, WC_SHA_DIGEST_SIZE);
696 #endif
697 }
698#endif /* WOLFSSL_ASYNC_CRYPT */
699
700 local[sha->buffLen++] = 0x80; /* add 1 */
701
702 /* pad with zeros */
703 if (sha->buffLen > WC_SHA_PAD_SIZE) {
704 XMEMSET(&local[sha->buffLen], 0, WC_SHA_BLOCK_SIZE - sha->buffLen);
705 sha->buffLen += WC_SHA_BLOCK_SIZE - sha->buffLen;
706
707 #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
708 ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
709 #endif
710
711 #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
712 !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
713 if (sha->ctx.mode == ESP32_SHA_INIT) {
714 esp_sha_try_hw_lock(&sha->ctx);
715 }
716 if (sha->ctx.mode == ESP32_SHA_SW) {
717 ret = XTRANSFORM(sha, (const byte*)local);
718 } else {
719 ret = esp_sha_process(sha, (const byte*)local);
720 }
721 #else
722 ret = XTRANSFORM(sha, (const byte*)local);
723 #endif
724 if (ret != 0)
725 return ret;
726
727 sha->buffLen = 0;
728 }
729 XMEMSET(&local[sha->buffLen], 0, WC_SHA_PAD_SIZE - sha->buffLen);
730
731#if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
732 ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
733#endif
734
735 /* store lengths */
736 /* put lengths in bits */
737 sha->hiLen = (sha->loLen >> (8*sizeof(sha->loLen) - 3)) + (sha->hiLen << 3);
738 sha->loLen = sha->loLen << 3;
739
740 /* ! length ordering dependent on digest endian type ! */
741 XMEMCPY(&local[WC_SHA_PAD_SIZE], &sha->hiLen, sizeof(word32));
742 XMEMCPY(&local[WC_SHA_PAD_SIZE + sizeof(word32)], &sha->loLen, sizeof(word32));
743
744#if defined(FREESCALE_MMCAU_SHA)
745 /* Kinetis requires only these bytes reversed */
746 ByteReverseWords(&sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)],
747 &sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)],
748 2 * sizeof(word32));
749#endif
750
751#if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
752 !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
753 if (sha->ctx.mode == ESP32_SHA_INIT) {
754 esp_sha_try_hw_lock(&sha->ctx);
755 }
756 if (sha->ctx.mode == ESP32_SHA_SW) {
757 ret = XTRANSFORM(sha, (const byte*)local);
758 } else {
759 ret = esp_sha_digest_process(sha, 1);
760 }
761#else
762 ret = XTRANSFORM(sha, (const byte*)local);
763#endif
764
765#ifdef LITTLE_ENDIAN_ORDER
766 ByteReverseWords(sha->digest, sha->digest, WC_SHA_DIGEST_SIZE);
767#endif
768
769 XMEMCPY(hash, sha->digest, WC_SHA_DIGEST_SIZE);
770
771 (void)InitSha(sha); /* reset state */
772
773 return ret;
774}
775
776#endif /* USE_SHA_SOFTWARE_IMPL */
777
778
779int wc_InitSha(wc_Sha* sha)
780{
781 return wc_InitSha_ex(sha, NULL, INVALID_DEVID);
782}
783
784void wc_ShaFree(wc_Sha* sha)
785{
786 if (sha == NULL)
787 return;
788
789#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
790 wolfAsync_DevCtxFree(&sha->asyncDev, WOLFSSL_ASYNC_MARKER_SHA);
791#endif /* WOLFSSL_ASYNC_CRYPT */
792
793#ifdef WOLFSSL_PIC32MZ_HASH
794 wc_ShaPic32Free(sha);
795#endif
796#if (defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
797 !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH))
798 if (sha->msg != NULL) {
799 XFREE(sha->msg, sha->heap, DYNAMIC_TYPE_TMP_BUFFER);
800 sha->msg = NULL;
801 }
802#endif
803#ifdef WOLFSSL_IMXRT_DCP
804 DCPShaFree(sha);
805#endif
806}
807
808#endif /* !WOLFSSL_TI_HASH */
809#endif /* HAVE_FIPS */
810
811#ifndef WOLFSSL_TI_HASH
812#if !defined(WOLFSSL_RENESAS_TSIP_CRYPT) || \
813 defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
814int wc_ShaGetHash(wc_Sha* sha, byte* hash)
815{
816 int ret;
817 wc_Sha tmpSha;
818
819 if (sha == NULL || hash == NULL)
820 return BAD_FUNC_ARG;
821
822#if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
823 !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
824 if(sha->ctx.mode == ESP32_SHA_INIT){
825 esp_sha_try_hw_lock(&sha->ctx);
826 }
827 if(sha->ctx.mode != ESP32_SHA_SW)
828 esp_sha_digest_process(sha, 0);
829#endif
830
831 ret = wc_ShaCopy(sha, &tmpSha);
832 if (ret == 0) {
833 ret = wc_ShaFinal(&tmpSha, hash);
834#if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
835 !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
836 sha->ctx.mode = ESP32_SHA_SW;
837#endif
838
839
840 }
841 return ret;
842}
843
844int wc_ShaCopy(wc_Sha* src, wc_Sha* dst)
845{
846 int ret = 0;
847
848 if (src == NULL || dst == NULL)
849 return BAD_FUNC_ARG;
850
851 XMEMCPY(dst, src, sizeof(wc_Sha));
852
853#ifdef WOLFSSL_SILABS_SE_ACCEL
854 dst->silabsCtx.hash_ctx.cmd_ctx = &(dst->silabsCtx.cmd_ctx);
855 dst->silabsCtx.hash_ctx.hash_type_ctx = &(dst->silabsCtx.hash_type_ctx);
856#endif
857
858#ifdef WOLFSSL_ASYNC_CRYPT
859 ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
860#endif
861#ifdef WOLFSSL_PIC32MZ_HASH
862 ret = wc_Pic32HashCopy(&src->cache, &dst->cache);
863#endif
864#if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
865 !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
866 dst->ctx.mode = src->ctx.mode;
867 dst->ctx.isfirstblock = src->ctx.isfirstblock;
868 dst->ctx.sha_type = src->ctx.sha_type;
869#endif
870#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
871 dst->flags |= WC_HASH_FLAG_ISCOPY;
872#endif
873 return ret;
874}
875#endif /* defined(WOLFSSL_RENESAS_TSIP_CRYPT) ... */
876#endif /* !WOLFSSL_TI_HASH */
877
878
879#if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
880int wc_ShaSetFlags(wc_Sha* sha, word32 flags)
881{
882 if (sha) {
883 sha->flags = flags;
884 }
885 return 0;
886}
887int wc_ShaGetFlags(wc_Sha* sha, word32* flags)
888{
889 if (sha && flags) {
890 *flags = sha->flags;
891 }
892 return 0;
893}
894#endif
895
896#endif /* !NO_SHA */
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