-
Notifications
You must be signed in to change notification settings - Fork 830
/
sha.c
1203 lines (1012 loc) · 35.6 KB
/
sha.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* sha.c
*
* Copyright (C) 2006-2024 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <wolfssl/wolfcrypt/settings.h>
#ifdef DEBUG_WOLFSSL_VERBOSE
#if defined(WOLFSSL_ESPIDF)
#include <esp_log.h>
#else
#include <wolfssl/wolfcrypt/logging.h>
#endif
#endif
#if !defined(NO_SHA)
#if FIPS_VERSION3_GE(2,0,0)
/* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
#define FIPS_NO_WRAPPERS
#ifdef USE_WINDOWS_API
#pragma code_seg(".fipsA$k")
#pragma const_seg(".fipsB$k")
#endif
#endif
#include <wolfssl/wolfcrypt/sha.h>
#include <wolfssl/wolfcrypt/error-crypt.h>
#include <wolfssl/wolfcrypt/hash.h>
#ifdef WOLF_CRYPTO_CB
#include <wolfssl/wolfcrypt/cryptocb.h>
#endif
#ifdef WOLFSSL_IMXRT1170_CAAM
#include <wolfssl/wolfcrypt/port/caam/wolfcaam_fsl_nxp.h>
#endif
/* Assume no hash HW available until supporting HW found. */
#undef WOLFSSL_USE_ESP32_CRYPT_HASH_HW
#if defined(WOLFSSL_ESP32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32_CRYPT_HASH)
/* define a single keyword for simplicity & readability
*
* by default the HW acceleration is on for ESP32-WROOM32
* but individual components can be turned off.
*/
#define WOLFSSL_USE_ESP32_CRYPT_HASH_HW
#include "wolfssl/wolfcrypt/port/Espressif/esp32-crypt.h"
/* Although we have hardware acceleration,
** we may need to fall back to software */
#define USE_SHA_SOFTWARE_IMPL
#elif defined(WOLFSSL_USE_ESP32C3_CRYPT_HASH_HW)
/* The ESP32C3 is different; HW crypto here. Not yet implemented.
** We'll be using software for RISC-V at this time */
#else
#undef WOLFSSL_USE_ESP32_CRYPT_HASH_HW
#endif
#undef WOLFSSL_USE_ESP32_CRYPT_HASH_HW
#if defined(WOLFSSL_ESP32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32_CRYPT_HASH)
/* define a single keyword for simplicity & readability
*
* by default the HW acceleration is on for ESP32-WROOM32
* but individual components can be turned off.
*/
#define WOLFSSL_USE_ESP32_CRYPT_HASH_HW
#include "wolfssl/wolfcrypt/port/Espressif/esp32-crypt.h"
/* Although we have hardware acceleration,
** we may need to fall back to software */
#define USE_SHA_SOFTWARE_IMPL
static const char* TAG = "wc_sha";
#elif defined(WOLFSSL_USE_ESP32C3_CRYPT_HASH_HW)
/* The ESP32C3 is different; HW crypto here. Not yet implemented.
** We'll be using software for RISC-V at this time */
static const char* TAG = "wc_sha-c3";
#else
#undef WOLFSSL_USE_ESP32_CRYPT_HASH_HW
#endif
#if defined(WOLFSSL_TI_HASH)
/* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
#else
#include <wolfssl/wolfcrypt/logging.h>
#ifdef NO_INLINE
#include <wolfssl/wolfcrypt/misc.h>
#else
#define WOLFSSL_MISC_INCLUDED
#include <wolfcrypt/src/misc.c>
#endif
#if FIPS_VERSION3_GE(6,0,0)
const unsigned int wolfCrypt_FIPS_sha_ro_sanity[2] =
{ 0x1a2b3c4d, 0x00000013 };
int wolfCrypt_FIPS_SHA_sanity(void)
{
return 0;
}
#endif
/* Hardware Acceleration */
#if defined(WOLFSSL_PIC32MZ_HASH)
#include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
#elif defined(STM32_HASH)
/* Supports CubeMX HAL or Standard Peripheral Library */
int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
{
if (sha == NULL) {
return BAD_FUNC_ARG;
}
(void)devId;
(void)heap;
wc_Stm32_Hash_Init(&sha->stmCtx);
return 0;
}
int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
{
int ret;
if (sha == NULL || (data == NULL && len > 0)) {
return BAD_FUNC_ARG;
}
ret = wolfSSL_CryptHwMutexLock();
if (ret == 0) {
ret = wc_Stm32_Hash_Update(&sha->stmCtx, HASH_AlgoSelection_SHA1,
data, len, WC_SHA_BLOCK_SIZE);
wolfSSL_CryptHwMutexUnLock();
}
return ret;
}
int wc_ShaFinal(wc_Sha* sha, byte* hash)
{
int ret;
if (sha == NULL || hash == NULL) {
return BAD_FUNC_ARG;
}
ret = wolfSSL_CryptHwMutexLock();
if (ret == 0) {
ret = wc_Stm32_Hash_Final(&sha->stmCtx, HASH_AlgoSelection_SHA1,
hash, WC_SHA_DIGEST_SIZE);
wolfSSL_CryptHwMutexUnLock();
}
(void)wc_InitSha(sha); /* reset state */
return ret;
}
#elif defined(FREESCALE_LTC_SHA)
#include "fsl_ltc.h"
int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
{
if (sha == NULL) {
return BAD_FUNC_ARG;
}
(void)devId;
(void)heap;
LTC_HASH_Init(LTC_BASE, &sha->ctx, kLTC_Sha1, NULL, 0);
return 0;
}
int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
{
LTC_HASH_Update(&sha->ctx, data, len);
return 0;
}
int wc_ShaFinal(wc_Sha* sha, byte* hash)
{
word32 hashlen = WC_SHA_DIGEST_SIZE;
LTC_HASH_Finish(&sha->ctx, hash, &hashlen);
return wc_InitSha(sha); /* reset state */
}
#elif defined(FREESCALE_MMCAU_SHA)
#ifdef FREESCALE_MMCAU_CLASSIC_SHA
#include "cau_api.h"
#else
#include "fsl_mmcau.h"
#endif
#define USE_SHA_SOFTWARE_IMPL /* Only for API's, actual transform is here */
#define XTRANSFORM(S,B) Transform((S),(B))
#define XTRANSFORM_LEN(S,B,L) Transform_Len((S),(B),(L))
#ifndef WC_HASH_DATA_ALIGNMENT
/* these hardware API's require 4 byte (word32) alignment */
#define WC_HASH_DATA_ALIGNMENT 4
#endif
static int InitSha(wc_Sha* sha)
{
int ret = 0;
ret = wolfSSL_CryptHwMutexLock();
if (ret != 0) {
return ret;
}
#ifdef FREESCALE_MMCAU_CLASSIC_SHA
cau_sha1_initialize_output(sha->digest);
#else
MMCAU_SHA1_InitializeOutput((word32*)sha->digest);
#endif
wolfSSL_CryptHwMutexUnLock();
sha->buffLen = 0;
sha->loLen = 0;
sha->hiLen = 0;
return ret;
}
static int Transform(wc_Sha* sha, const byte* data)
{
int ret = wolfSSL_CryptHwMutexLock();
if (ret == 0) {
#ifdef FREESCALE_MMCAU_CLASSIC_SHA
cau_sha1_hash_n((byte*)data, 1, sha->digest);
#else
MMCAU_SHA1_HashN((byte*)data, 1, (word32*)sha->digest);
#endif
wolfSSL_CryptHwMutexUnLock();
}
return ret;
}
static int Transform_Len(wc_Sha* sha, const byte* data, word32 len)
{
int ret = wolfSSL_CryptHwMutexLock();
if (ret == 0) {
#if defined(WC_HASH_DATA_ALIGNMENT) && WC_HASH_DATA_ALIGNMENT > 0
if ((wc_ptr_t)data % WC_HASH_DATA_ALIGNMENT) {
/* data pointer is NOT aligned,
* so copy and perform one block at a time */
byte* local = (byte*)sha->buffer;
while (len >= WC_SHA_BLOCK_SIZE) {
XMEMCPY(local, data, WC_SHA_BLOCK_SIZE);
#ifdef FREESCALE_MMCAU_CLASSIC_SHA
cau_sha1_hash_n(local, 1, sha->digest);
#else
MMCAU_SHA1_HashN(local, 1, sha->digest);
#endif
data += WC_SHA_BLOCK_SIZE;
len -= WC_SHA_BLOCK_SIZE;
}
}
else
#endif
{
#ifdef FREESCALE_MMCAU_CLASSIC_SHA
cau_sha1_hash_n((byte*)data, len/WC_SHA_BLOCK_SIZE, sha->digest);
#else
MMCAU_SHA1_HashN((byte*)data, len/WC_SHA_BLOCK_SIZE,
(word32*)sha->digest);
#endif
}
wolfSSL_CryptHwMutexUnLock();
}
return ret;
}
#elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH) && \
!defined(WOLFSSL_QNX_CAAM)
/* wolfcrypt/src/port/caam/caam_sha.c */
#elif defined(MAX3266X_SHA)
/* Already brought in by sha.h */
/* #include <wolfssl/wolfcrypt/port/maxim/max3266x.h> */
#elif defined(WOLFSSL_USE_ESP32_CRYPT_HASH_HW) || \
defined(WOLFSSL_USE_ESP32C3_CRYPT_HASH_HW)
/* This function initializes SHA.
** This is automatically called by wc_ShaHash */
static int InitSha(wc_Sha* sha)
{
int ret = 0;
sha->digest[0] = 0x67452301L;
sha->digest[1] = 0xEFCDAB89L;
sha->digest[2] = 0x98BADCFEL;
sha->digest[3] = 0x10325476L;
sha->digest[4] = 0xC3D2E1F0L;
sha->buffLen = 0;
sha->loLen = 0;
sha->hiLen = 0;
/* HW needs to be carefully initialized, taking into account soft copy.
** If already in use; copy may revert to SW as needed. */
ret = esp_sha_init(&(sha->ctx), WC_HASH_TYPE_SHA);
return ret;
}
#elif (defined(WOLFSSL_RENESAS_TSIP_TLS) || \
defined(WOLFSSL_RENESAS_TSIP_CRYPTONLY)) && \
!defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
/* implemented in wolfcrypt/src/port/Renesas/renesas_tsip_sha.c */
#elif defined(WOLFSSL_RENESAS_RSIP) && \
!defined(NO_WOLFSSL_RENESAS_FSPSM_HASH)
/* implemented in wolfcrypt/src/port/Renesas/renesas_fspsm_sha.c */
#elif defined(WOLFSSL_IMXRT_DCP)
#include <wolfssl/wolfcrypt/port/nxp/dcp_port.h>
/* implemented in wolfcrypt/src/port/nxp/dcp_port.c */
#elif defined(WOLFSSL_SILABS_SE_ACCEL)
/* implemented in wolfcrypt/src/port/silabs/silabs_hash.c */
#elif defined(WOLFSSL_RENESAS_RX64_HASH)
/* implemented in wolfcrypt/src/port/Renesas/renesas_rx64_hw_sha.c */
#elif defined(WOLFSSL_SE050) && defined(WOLFSSL_SE050_HASH)
#include <wolfssl/wolfcrypt/port/nxp/se050_port.h>
int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
{
if (sha == NULL) {
return BAD_FUNC_ARG;
}
(void)devId;
return se050_hash_init(&sha->se050Ctx, heap);
}
int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
{
return se050_hash_update(&sha->se050Ctx, data, len);
}
int wc_ShaFinal(wc_Sha* sha, byte* hash)
{
int ret = 0;
ret = se050_hash_final(&sha->se050Ctx, hash, WC_SHA_DIGEST_SIZE,
kAlgorithm_SSS_SHA1);
return ret;
}
int wc_ShaFinalRaw(wc_Sha* sha, byte* hash)
{
int ret = 0;
ret = se050_hash_final(&sha->se050Ctx, hash, WC_SHA_DIGEST_SIZE,
kAlgorithm_SSS_SHA1);
return ret;
}
#elif defined(WOLFSSL_HAVE_PSA) && !defined(WOLFSSL_PSA_NO_HASH)
/* implemented in wolfcrypt/src/port/psa/psa_hash.c */
#else
/* Software implementation */
#define USE_SHA_SOFTWARE_IMPL
static int InitSha(wc_Sha* sha)
{
int ret = 0;
sha->digest[0] = 0x67452301L;
sha->digest[1] = 0xEFCDAB89L;
sha->digest[2] = 0x98BADCFEL;
sha->digest[3] = 0x10325476L;
sha->digest[4] = 0xC3D2E1F0L;
sha->buffLen = 0;
sha->loLen = 0;
sha->hiLen = 0;
#ifdef WOLFSSL_HASH_FLAGS
sha->flags = 0;
#endif
return ret;
}
#endif /* End Hardware Acceleration */
/* Software implementation */
#ifdef USE_SHA_SOFTWARE_IMPL
static WC_INLINE void AddLength(wc_Sha* sha, word32 len)
{
word32 tmp = sha->loLen;
if ((sha->loLen += len) < tmp)
sha->hiLen++; /* carry low to high */
}
/* Check if custom wc_Sha transform is used */
#ifndef XTRANSFORM
#define XTRANSFORM(S,B) Transform((S),(B))
#define blk0(i) (W[i] = *((word32*)&data[(i)*sizeof(word32)]))
#define blk1(i) (W[(i)&15] = \
rotlFixed(W[((i)+13)&15]^W[((i)+8)&15]^W[((i)+2)&15]^W[(i)&15],1))
#define f1(x,y,z) ((z)^((x) &((y)^(z))))
#define f2(x,y,z) ((x)^(y)^(z))
#define f3(x,y,z) (((x)&(y))|((z)&((x)|(y))))
#define f4(x,y,z) ((x)^(y)^(z))
#if defined(WOLFSSL_NUCLEUS_1_2) || defined(NUCLEUS_PLUS_2_3)
/* nucleus.h also defines R1-R4 */
#undef R1
#undef R2
#undef R3
#undef R4
#endif
/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
#define R0(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk0((i)) + 0x5A827999+ \
rotlFixed((v),5); (w) = rotlFixed((w),30);
#define R1(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk1((i)) + 0x5A827999+ \
rotlFixed((v),5); (w) = rotlFixed((w),30);
#define R2(v,w,x,y,z,i) (z)+= f2((w),(x),(y)) + blk1((i)) + 0x6ED9EBA1+ \
rotlFixed((v),5); (w) = rotlFixed((w),30);
#define R3(v,w,x,y,z,i) (z)+= f3((w),(x),(y)) + blk1((i)) + 0x8F1BBCDC+ \
rotlFixed((v),5); (w) = rotlFixed((w),30);
#define R4(v,w,x,y,z,i) (z)+= f4((w),(x),(y)) + blk1((i)) + 0xCA62C1D6+ \
rotlFixed((v),5); (w) = rotlFixed((w),30);
static int Transform(wc_Sha* sha, const byte* data)
{
word32 W[WC_SHA_BLOCK_SIZE / sizeof(word32)];
/* Copy context->state[] to working vars */
word32 a = sha->digest[0];
word32 b = sha->digest[1];
word32 c = sha->digest[2];
word32 d = sha->digest[3];
word32 e = sha->digest[4];
#ifdef USE_SLOW_SHA
word32 t, i;
for (i = 0; i < 16; i++) {
R0(a, b, c, d, e, i);
t = e; e = d; d = c; c = b; b = a; a = t;
}
for (; i < 20; i++) {
R1(a, b, c, d, e, i);
t = e; e = d; d = c; c = b; b = a; a = t;
}
for (; i < 40; i++) {
R2(a, b, c, d, e, i);
t = e; e = d; d = c; c = b; b = a; a = t;
}
for (; i < 60; i++) {
R3(a, b, c, d, e, i);
t = e; e = d; d = c; c = b; b = a; a = t;
}
for (; i < 80; i++) {
R4(a, b, c, d, e, i);
t = e; e = d; d = c; c = b; b = a; a = t;
}
#else
/* nearly 1 K bigger in code size but 25% faster */
/* 4 rounds of 20 operations each. Loop unrolled. */
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
#endif
/* Add the working vars back into digest state[] */
sha->digest[0] += a;
sha->digest[1] += b;
sha->digest[2] += c;
sha->digest[3] += d;
sha->digest[4] += e;
(void)data; /* Not used */
return 0;
}
#endif /* XTRANSFORM when USE_SHA_SOFTWARE_IMPL is enabled */
/*
** wolfCrypt InitSha external wrapper.
**
** we'll assume this is ALWAYS for a new, uninitialized sha
*/
int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
{
int ret = 0;
if (sha == NULL) {
return BAD_FUNC_ARG;
}
sha->heap = heap;
#ifdef WOLF_CRYPTO_CB
sha->devId = devId;
sha->devCtx = NULL;
#endif
#ifdef MAX3266X_SHA_CB
ret = wc_MXC_TPU_SHA_Init(&(sha->mxcCtx));
if (ret != 0) {
return ret;
}
#endif
#ifdef WOLFSSL_USE_ESP32_CRYPT_HASH_HW
if (sha->ctx.mode != ESP32_SHA_INIT) {
/* it may be interesting to see old values during debugging */
ESP_LOGV(TAG, "Set ctx mode from prior value: %d", sha->ctx.mode);
}
/* We know this is a fresh, uninitialized item, so set to INIT */
sha->ctx.mode = ESP32_SHA_INIT;
#endif
ret = InitSha(sha);
if (ret != 0) {
return ret;
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
ret = wolfAsync_DevCtxInit(&sha->asyncDev, WOLFSSL_ASYNC_MARKER_SHA,
sha->heap, devId);
#else
(void)devId;
#endif /* WOLFSSL_ASYNC_CRYPT */
#ifdef WOLFSSL_IMXRT1170_CAAM
ret = wc_CAAM_HashInit(&sha->hndl, &sha->ctx, WC_HASH_TYPE_SHA);
#endif
return ret;
} /* wc_InitSha_ex */
/* do block size increments/updates */
int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
{
int ret = 0;
word32 blocksLen;
byte* local;
if (sha == NULL || (data == NULL && len > 0)) {
return BAD_FUNC_ARG;
}
if (data == NULL && len == 0) {
/* valid, but do nothing */
return 0;
}
#ifdef WOLF_CRYPTO_CB
if (sha->devId != INVALID_DEVID) {
ret = wc_CryptoCb_ShaHash(sha, data, len, NULL);
if (ret != WC_NO_ERR_TRACE(CRYPTOCB_UNAVAILABLE))
return ret;
ret = 0; /* reset ret */
/* fall-through when unavailable */
}
#endif
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) {
#if defined(HAVE_INTEL_QA)
return IntelQaSymSha(&sha->asyncDev, NULL, data, len);
#endif
}
#endif /* WOLFSSL_ASYNC_CRYPT */
/* check that internal buffLen is valid */
if (sha->buffLen >= WC_SHA_BLOCK_SIZE) {
return BUFFER_E;
}
/* add length for final */
AddLength(sha, len);
local = (byte*)sha->buffer;
/* process any remainder from previous operation */
if (sha->buffLen > 0) {
blocksLen = min(len, WC_SHA_BLOCK_SIZE - sha->buffLen);
XMEMCPY(&local[sha->buffLen], data, blocksLen);
sha->buffLen += blocksLen;
data += blocksLen;
len -= blocksLen;
if (sha->buffLen == WC_SHA_BLOCK_SIZE) {
#if defined(WOLFSSL_USE_ESP32_CRYPT_HASH_HW)
if (sha->ctx.mode == ESP32_SHA_INIT) {
#if defined(WOLFSSL_DEBUG_MUTEX)
{
ESP_LOGI(TAG, "wc_ShaUpdate try hardware");
}
#endif
esp_sha_try_hw_lock(&sha->ctx);
}
#endif
#if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
#if ( defined(CONFIG_IDF_TARGET_ESP32C2) || \
defined(CONFIG_IDF_TARGET_ESP8684) || \
defined(CONFIG_IDF_TARGET_ESP32C3) || \
defined(CONFIG_IDF_TARGET_ESP32C6) \
) && \
defined(WOLFSSL_ESP32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32_CRYPT_HASH)
/* For Espressif RISC-V Targets, we *may* need to reverse bytes
* depending on if HW is active or not. */
if (esp_sha_need_byte_reversal(&sha->ctx))
#endif
{
ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
}
#endif
#if defined(WOLFSSL_USE_ESP32_CRYPT_HASH_HW)
if (sha->ctx.mode == ESP32_SHA_SW) {
#if defined(WOLFSSL_DEBUG_MUTEX)
{
ESP_LOGI(TAG, "wc_ShaUpdate process software");
}
#endif
ret = XTRANSFORM(sha, (const byte*)local);
}
else {
#if defined(WOLFSSL_DEBUG_MUTEX)
{
ESP_LOGI(TAG, "wc_ShaUpdate process hardware");
}
#endif
esp_sha_process(sha, (const byte*)local);
}
#elif defined (WOLFSSL_USE_ESP32C3_CRYPT_HASH_HW)
ESP_LOGI(TAG, "wc_ShaUpdate not implemented for ESP32C3");
ret = XTRANSFORM(sha, (const byte*)local);
#else
ret = XTRANSFORM(sha, (const byte*)local);
#endif
if (ret != 0) {
return ret;
}
sha->buffLen = 0; /* Nothing left to do, so set to zero. */
} /* (sha->buffLen == WC_SHA_BLOCK_SIZE) */
} /* (sha->buffLen > 0) Process any remainder from previous operation. */
/* process blocks */
#ifdef XTRANSFORM_LEN
/* get number of blocks */
/* 64-1 = 0x3F (~ Inverted = 0xFFFFFFC0) */
/* len (masked by 0xFFFFFFC0) returns block aligned length */
blocksLen = len & ~(WC_SHA_BLOCK_SIZE-1);
if (blocksLen > 0) {
/* Byte reversal performed in function if required. */
XTRANSFORM_LEN(sha, data, blocksLen);
data += blocksLen;
len -= blocksLen;
}
#else
while (len >= WC_SHA_BLOCK_SIZE) {
word32* local32 = sha->buffer;
/* optimization to avoid memcpy if data pointer is properly aligned */
/* Little Endian requires byte swap, so can't use data directly */
#if defined(WC_HASH_DATA_ALIGNMENT) && !defined(LITTLE_ENDIAN_ORDER)
if (((wc_ptr_t)data % WC_HASH_DATA_ALIGNMENT) == 0) {
local32 = (word32*)data;
}
else
#endif
{
XMEMCPY(local32, data, WC_SHA_BLOCK_SIZE);
}
data += WC_SHA_BLOCK_SIZE;
len -= WC_SHA_BLOCK_SIZE;
#if defined(WOLFSSL_USE_ESP32_CRYPT_HASH_HW)
if (sha->ctx.mode == ESP32_SHA_INIT){
esp_sha_try_hw_lock(&sha->ctx);
}
#endif
#if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
#if ( defined(CONFIG_IDF_TARGET_ESP32C2) || \
defined(CONFIG_IDF_TARGET_ESP8684) || \
defined(CONFIG_IDF_TARGET_ESP32C3) || \
defined(CONFIG_IDF_TARGET_ESP32C6) \
) && \
defined(WOLFSSL_ESP32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32_CRYPT_HASH)
/* For Espressif RISC-V Targets, we *may* need to reverse bytes
* depending on if HW is active or not. */
if (esp_sha_need_byte_reversal(&sha->ctx))
#endif
{
ByteReverseWords(local32, local32, WC_SHA_BLOCK_SIZE);
}
#endif
#if defined(WOLFSSL_USE_ESP32_CRYPT_HASH_HW)
if (sha->ctx.mode == ESP32_SHA_SW){
ret = XTRANSFORM(sha, (const byte*)local32);
}
else {
esp_sha_process(sha, (const byte*)local32);
}
#else
ret = XTRANSFORM(sha, (const byte*)local32);
#endif
}
#endif /* XTRANSFORM_LEN */
/* save remainder */
if (len > 0) {
XMEMCPY(local, data, len);
sha->buffLen = len;
}
return ret;
}
int wc_ShaFinalRaw(wc_Sha* sha, byte* hash)
{
#ifdef LITTLE_ENDIAN_ORDER
word32 digest[WC_SHA_DIGEST_SIZE / sizeof(word32)];
#endif
if (sha == NULL || hash == NULL) {
return BAD_FUNC_ARG;
}
#ifdef LITTLE_ENDIAN_ORDER
#if ( defined(CONFIG_IDF_TARGET_ESP32C2) || \
defined(CONFIG_IDF_TARGET_ESP8684) || \
defined(CONFIG_IDF_TARGET_ESP32C3) || \
defined(CONFIG_IDF_TARGET_ESP32C6) \
) && \
defined(WOLFSSL_ESP32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32_CRYPT_HASH)
/* For Espressif RISC-V Targets, we *may* need to reverse bytes
* depending on if HW is active or not. */
if (esp_sha_need_byte_reversal(&sha->ctx))
#endif
{
ByteReverseWords((word32*)digest, (word32*)sha->digest, WC_SHA_DIGEST_SIZE);
}
XMEMCPY(hash, (byte *)&digest[0], WC_SHA_DIGEST_SIZE);
#else
XMEMCPY(hash, sha->digest, WC_SHA_DIGEST_SIZE);
#endif
return 0;
}
/*
** Finalizes hashing of data. Result is placed into hash.
** Resets state of sha struct.
*/
int wc_ShaFinal(wc_Sha* sha, byte* hash)
{
int ret;
byte* local;
if (sha == NULL || hash == NULL) {
return BAD_FUNC_ARG;
}
local = (byte*)sha->buffer;
#ifdef WOLF_CRYPTO_CB
if (sha->devId != INVALID_DEVID) {
ret = wc_CryptoCb_ShaHash(sha, NULL, 0, hash);
if (ret != WC_NO_ERR_TRACE(CRYPTOCB_UNAVAILABLE))
return ret;
/* fall-through when unavailable */
}
#endif
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) {
#if defined(HAVE_INTEL_QA)
return IntelQaSymSha(&sha->asyncDev, hash, NULL, WC_SHA_DIGEST_SIZE);
#endif
}
#endif /* WOLFSSL_ASYNC_CRYPT */
/* we'll add a 0x80 byte at the end,
** so make sure we have appropriate buffer length. */
if (sha->buffLen > WC_SHA_BLOCK_SIZE - 1) {
/* exit with error code if there's a bad buffer size in buffLen */
return BAD_STATE_E;
} /* buffLen check */
local[sha->buffLen++] = 0x80; /* add 1 */
/* pad with zeros */
if (sha->buffLen > WC_SHA_PAD_SIZE) {
if (sha->buffLen < WC_SHA_BLOCK_SIZE) {
XMEMSET(&local[sha->buffLen], 0, WC_SHA_BLOCK_SIZE - sha->buffLen);
}
sha->buffLen += WC_SHA_BLOCK_SIZE - sha->buffLen;
#if defined(WOLFSSL_USE_ESP32_CRYPT_HASH_HW)
/* For a fresh sha.ctx, try to use hardware acceleration */
if (sha->ctx.mode == ESP32_SHA_INIT) {
esp_sha_try_hw_lock(&sha->ctx);
}
#endif
#if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
#if ( defined(CONFIG_IDF_TARGET_ESP32C2) || \
defined(CONFIG_IDF_TARGET_ESP8684) || \
defined(CONFIG_IDF_TARGET_ESP32C3) || \
defined(CONFIG_IDF_TARGET_ESP32C6) \
) && \
defined(WOLFSSL_ESP32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32_CRYPT_HASH)
/* For Espressif RISC-V Targets, we *may* need to reverse bytes
* depending on if HW is active or not. */
if (esp_sha_need_byte_reversal(&sha->ctx))
#endif
{
ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
}
#endif
#if defined(WOLFSSL_USE_ESP32_CRYPT_HASH_HW)
/* if HW was busy, we may need to fall back to SW. */
if (sha->ctx.mode == ESP32_SHA_SW) {
ret = XTRANSFORM(sha, (const byte*)local);
}
else {
ret = esp_sha_process(sha, (const byte*)local);
}
#else
/*
** The #if defined(WOLFSSL_USE_ESP32C3_CRYPT_HASH_HW) also falls
** though here to SW, as it's not yet implemented for HW.
*/
ret = XTRANSFORM(sha, (const byte*)local);
#endif
if (ret != 0) {
return ret;
}
sha->buffLen = 0;
} /* (sha->buffLen > WC_SHA_PAD_SIZE) */
XMEMSET(&local[sha->buffLen], 0, WC_SHA_PAD_SIZE - sha->buffLen);
#if defined(WOLFSSL_USE_ESP32_CRYPT_HASH_HW)
if (sha->ctx.mode == ESP32_SHA_INIT) {
esp_sha_try_hw_lock(&sha->ctx);
}
#endif
#if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
#if ( defined(CONFIG_IDF_TARGET_ESP32C2) || \
defined(CONFIG_IDF_TARGET_ESP8684) || \
defined(CONFIG_IDF_TARGET_ESP32C3) || \
defined(CONFIG_IDF_TARGET_ESP32C6) \
) && \
defined(WOLFSSL_ESP32_CRYPT) && \
!defined(NO_WOLFSSL_ESP32_CRYPT_HASH)
/* For Espressif RISC-V Targets, we *may* need to reverse bytes
* depending on if HW is active or not. */
if (esp_sha_need_byte_reversal(&sha->ctx))
#endif
{ /* reminder local also points to sha->buffer */
ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
}
#endif
/* store lengths */
/* put lengths in bits */
sha->hiLen = (sha->loLen >> (8*sizeof(sha->loLen) - 3)) + (sha->hiLen << 3);
sha->loLen = sha->loLen << 3;
/* ! length ordering dependent on digest endian type ! */
XMEMCPY(&local[WC_SHA_PAD_SIZE], &sha->hiLen, sizeof(word32));
XMEMCPY(&local[WC_SHA_PAD_SIZE + sizeof(word32)], &sha->loLen, sizeof(word32));
#if defined(FREESCALE_MMCAU_SHA)
/* Kinetis requires only these bytes reversed */
ByteReverseWords(&sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)],
&sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)],
2 * sizeof(word32));
#endif
#if ( defined(CONFIG_IDF_TARGET_ESP32C2) || \
defined(CONFIG_IDF_TARGET_ESP8684) || \
defined(CONFIG_IDF_TARGET_ESP32C3) || \
defined(CONFIG_IDF_TARGET_ESP32C6) \
) && \
defined(WOLFSSL_ESP32_CRYPT) && !defined(NO_WOLFSSL_ESP32_CRYPT_HASH)
if (sha->ctx.mode == ESP32_SHA_HW) {
#if defined(WOLFSSL_SUPER_VERBOSE_DEBUG)
{
ESP_LOGV(TAG, "Start: Reverse PAD SIZE Endianness.");
}
#endif
ByteReverseWords(&sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)], /* out */
&sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)], /* in */
2 * sizeof(word32) /* byte count to reverse */
);
#if defined(WOLFSSL_SUPER_VERBOSE_DEBUG)
{
ESP_LOGV(TAG, "End: Reverse PAD SIZE Endianness.");
}
#endif
} /* end if (sha->ctx.mode == ESP32_SHA_HW) */
#endif
#if defined(WOLFSSL_USE_ESP32_CRYPT_HASH_HW)
if (sha->ctx.mode == ESP32_SHA_SW) {
ret = XTRANSFORM(sha, (const byte*)local);
}
else {
ret = esp_sha_digest_process(sha, 1);
}
/*
** The #if defined(WOLFSSL_USE_ESP32C3_CRYPT_HASH_HW) also falls
** though here to SW, as it's not yet implemented for HW.
*/
#else
ret = XTRANSFORM(sha, (const byte*)local);
#endif
#ifdef LITTLE_ENDIAN_ORDER
#if ( defined(CONFIG_IDF_TARGET_ESP32C2) || \
defined(CONFIG_IDF_TARGET_ESP8684) || \
defined(CONFIG_IDF_TARGET_ESP32C3) || \
defined(CONFIG_IDF_TARGET_ESP32C6) \