-
Notifications
You must be signed in to change notification settings - Fork 970
Expand file tree
/
Copy pathevp.c
More file actions
13395 lines (12277 loc) · 419 KB
/
evp.c
File metadata and controls
13395 lines (12277 loc) · 419 KB
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
/* evp.c
*
* Copyright (C) 2006-2026 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 3 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
*/
#include <wolfssl/wolfcrypt/libwolfssl_sources.h>
#if !defined(WOLFSSL_EVP_INCLUDED)
#ifndef WOLFSSL_IGNORE_FILE_WARN
#warning evp.c does not need to be compiled separately from ssl.c
#endif
#elif defined(WOLFCRYPT_ONLY)
#else
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) || \
defined(HAVE_CURL)
#if !defined(HAVE_PKCS7) && \
((defined(HAVE_FIPS) && defined(HAVE_FIPS_VERSION) && \
(HAVE_FIPS_VERSION == 2)) || defined(HAVE_SELFTEST))
#include <wolfssl/wolfcrypt/aes.h>
#endif
#include <wolfssl/openssl/ecdsa.h>
#include <wolfssl/openssl/evp.h>
#include <wolfssl/openssl/kdf.h>
#include <wolfssl/wolfcrypt/wolfmath.h>
static const struct s_ent {
const enum wc_HashType macType;
const int nid;
const char *name;
} md_tbl[] = {
#ifndef NO_MD4
{WC_HASH_TYPE_MD4, WC_NID_md4, WC_SN_md4},
#endif /* NO_MD4 */
#ifndef NO_MD5
{WC_HASH_TYPE_MD5, WC_NID_md5, WC_SN_md5},
#endif /* NO_MD5 */
#ifndef NO_SHA
{WC_HASH_TYPE_SHA, WC_NID_sha1, WC_SN_sha1},
{WC_HASH_TYPE_SHA, WC_NID_sha1, "SHA"}, /* Leave for backwards compatibility */
#endif /* NO_SHA */
#ifdef WOLFSSL_SHA224
{WC_HASH_TYPE_SHA224, WC_NID_sha224, WC_SN_sha224},
#endif /* WOLFSSL_SHA224 */
#ifndef NO_SHA256
{WC_HASH_TYPE_SHA256, WC_NID_sha256, WC_SN_sha256},
#endif
#ifdef WOLFSSL_SHA384
{WC_HASH_TYPE_SHA384, WC_NID_sha384, WC_SN_sha384},
#endif /* WOLFSSL_SHA384 */
#ifdef WOLFSSL_SHA512
{WC_HASH_TYPE_SHA512, WC_NID_sha512, WC_SN_sha512},
#endif /* WOLFSSL_SHA512 */
#if defined(WOLFSSL_SHA512) && !defined(WOLFSSL_NOSHA512_224)
{WC_HASH_TYPE_SHA512_224, WC_NID_sha512_224, WC_SN_sha512_224},
#endif /* WOLFSSL_SHA512 && !WOLFSSL_NOSHA512_224 */
#if defined(WOLFSSL_SHA512) && !defined(WOLFSSL_NOSHA512_256)
{WC_HASH_TYPE_SHA512_256, WC_NID_sha512_256, WC_SN_sha512_256},
#endif /* WOLFSSL_SHA512 && !WOLFSSL_NOSHA512_256 */
#ifndef WOLFSSL_NOSHA3_224
{WC_HASH_TYPE_SHA3_224, WC_NID_sha3_224, WC_SN_sha3_224},
#endif
#ifndef WOLFSSL_NOSHA3_256
{WC_HASH_TYPE_SHA3_256, WC_NID_sha3_256, WC_SN_sha3_256},
#endif
#ifndef WOLFSSL_NOSHA3_384
{WC_HASH_TYPE_SHA3_384, WC_NID_sha3_384, WC_SN_sha3_384},
#endif
#ifndef WOLFSSL_NOSHA3_512
{WC_HASH_TYPE_SHA3_512, WC_NID_sha3_512, WC_SN_sha3_512},
#endif
#ifdef WOLFSSL_SM3
{WC_HASH_TYPE_SM3, WC_NID_sm3, WC_SN_sm3},
#endif /* WOLFSSL_SHA512 */
#ifdef HAVE_BLAKE2B
{WC_HASH_TYPE_BLAKE2B, WC_NID_blake2b512, WC_SN_blake2b512},
#endif
#ifdef HAVE_BLAKE2S
{WC_HASH_TYPE_BLAKE2S, WC_NID_blake2s256, WC_SN_blake2s256},
#endif
#ifdef WOLFSSL_SHAKE128
{WC_HASH_TYPE_SHAKE128, WC_NID_shake128, WC_SN_shake128},
#endif
#ifdef WOLFSSL_SHAKE256
{WC_HASH_TYPE_SHAKE256, WC_NID_shake256, WC_SN_shake256},
#endif
{WC_HASH_TYPE_NONE, 0, NULL}
};
#endif /* OPENSSL_EXTRA || HAVE_CURL */
#if defined(OPENSSL_EXTRA)
#ifndef NO_AES
#if defined(HAVE_AES_CBC) || defined(WOLFSSL_AES_DIRECT)
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CBC[] = "AES-128-CBC";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CBC[] = "AES-192-CBC";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CBC[] = "AES-256-CBC";
#endif
#endif /* HAVE_AES_CBC || WOLFSSL_AES_DIRECT */
#ifdef WOLFSSL_AES_OFB
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_OFB[] = "AES-128-OFB";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_OFB[] = "AES-192-OFB";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_OFB[] = "AES-256-OFB";
#endif
#endif /* WOLFSSL_AES_OFB */
#if defined(WOLFSSL_AES_XTS) && \
(!defined(HAVE_FIPS) || FIPS_VERSION_GE(5,3))
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_XTS[] = "AES-128-XTS";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_XTS[] = "AES-256-XTS";
#endif
#endif /* WOLFSSL_AES_XTS &&
(!defined(HAVE_FIPS) || FIPS_VERSION_GE(5,3)) */
#ifdef WOLFSSL_AES_CFB
#ifndef WOLFSSL_NO_AES_CFB_1_8
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CFB1[] = "AES-128-CFB1";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CFB1[] = "AES-192-CFB1";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CFB1[] = "AES-256-CFB1";
#endif
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CFB8[] = "AES-128-CFB8";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CFB8[] = "AES-192-CFB8";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CFB8[] = "AES-256-CFB8";
#endif
#endif /* !WOLFSSL_NO_AES_CFB_1_8 */
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CFB128[] = "AES-128-CFB128";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CFB128[] = "AES-192-CFB128";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CFB128[] = "AES-256-CFB128";
#endif
#endif /* WOLFSSL_AES_CFB */
#ifdef HAVE_AESGCM
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_GCM[] = "AES-128-GCM";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_GCM[] = "AES-192-GCM";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_GCM[] = "AES-256-GCM";
#endif
#endif /* HAVE_AESGCM */
#ifdef HAVE_AESCCM
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CCM[] = "AES-128-CCM";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CCM[] = "AES-192-CCM";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CCM[] = "AES-256-CCM";
#endif
#endif /* HAVE_AESCCM */
#ifdef WOLFSSL_AES_COUNTER
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CTR[] = "AES-128-CTR";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CTR[] = "AES-192-CTR";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CTR[] = "AES-256-CTR";
#endif
#endif
#ifdef HAVE_AES_ECB
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_ECB[] = "AES-128-ECB";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_ECB[] = "AES-192-ECB";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_ECB[] = "AES-256-ECB";
#endif
#endif
#endif
#ifdef HAVE_ARIA
#include <wolfssl/wolfcrypt/port/aria/aria-crypt.h>
static const char EVP_ARIA_128_GCM[] = "ARIA-128-GCM";
static const char EVP_ARIA_192_GCM[] = "ARIA-192-GCM";
static const char EVP_ARIA_256_GCM[] = "ARIA-256-GCM";
#endif
#ifndef NO_DES3
static const char EVP_DES_CBC[] = "DES-CBC";
static const char EVP_DES_ECB[] = "DES-ECB";
static const char EVP_DES_EDE3_CBC[] = "DES-EDE3-CBC";
static const char EVP_DES_EDE3_ECB[] = "DES-EDE3-ECB";
#endif
#ifndef NO_RC4
static const char EVP_ARC4[] = "ARC4";
#endif
#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
static const char EVP_CHACHA20_POLY1305[] = "CHACHA20-POLY1305";
#endif
#ifdef HAVE_CHACHA
static const char EVP_CHACHA20[] = "CHACHA20";
#endif
#ifdef WOLFSSL_SM4_ECB
static const char EVP_SM4_ECB[] = "SM4-ECB";
#endif /* WOLFSSL_SM4_ECB */
#ifdef WOLFSSL_SM4_CBC
static const char EVP_SM4_CBC[] = "SM4-CBC";
#endif /* WOLFSSL_SM4_CBC */
#ifdef WOLFSSL_SM4_CTR
static const char EVP_SM4_CTR[] = "SM4-CTR";
#endif /* WOLFSSL_SM4_CTR */
#ifdef WOLFSSL_SM4_GCM
static const char EVP_SM4_GCM[] = "SM4-GCM";
#endif /* WOLFSSL_SM4_GCM */
#ifdef WOLFSSL_SM4_CCM
static const char EVP_SM4_CCM[] = "SM4-CCM";
#endif /* WOLFSSL_SM4_CCM */
static const char EVP_NULL[] = "NULL";
static const struct pkey_type_name_ent {
int type;
const char *name;
} pkey_type_names[] = {
{ WC_EVP_PKEY_RSA, "RSA" },
{ WC_EVP_PKEY_EC, "EC" },
{ WC_EVP_PKEY_DH, "DH" },
{ WC_EVP_PKEY_DSA, "DSA" }
};
static int pkey_type_by_name(const char *name) {
unsigned int i;
if (name == NULL)
return WC_EVP_PKEY_NONE;
for (i = 0; i < XELEM_CNT(pkey_type_names); ++i) {
if (XSTRCMP(name, pkey_type_names[i].name) == 0)
return pkey_type_names[i].type;
}
return WC_EVP_PKEY_NONE;
}
int wolfSSL_EVP_PKEY_is_a(const WOLFSSL_EVP_PKEY *pkey, const char *name) {
int type;
if (pkey == NULL)
return WOLFSSL_FAILURE;
type = pkey_type_by_name(name);
if (type == WC_EVP_PKEY_NONE)
return WOLFSSL_FAILURE;
return (pkey->type == type) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
}
#define EVP_CIPHER_TYPE_MATCHES(x, y) (XSTRCMP(x,y) == 0)
#define WOLFSSL_EVP_PKEY_PRINT_LINE_WIDTH_MAX 80
#define WOLFSSL_EVP_PKEY_PRINT_DIGITS_PER_LINE 15
#define WOLFSSL_EVP_EXPONENT_PRINT_MAX 24
static unsigned int cipherType(const WOLFSSL_EVP_CIPHER *cipher);
static enum wc_HashType EvpMd2MacType(const WOLFSSL_EVP_MD *md);
/* Getter function for cipher key length
*
* c WOLFSSL_EVP_CIPHER structure to get key length from
*
* NOTE: OpenSSL_add_all_ciphers() should be called first before using this
* function
*
* Returns size of key in bytes
*/
int wolfSSL_EVP_Cipher_key_length(const WOLFSSL_EVP_CIPHER* c)
{
WOLFSSL_ENTER("wolfSSL_EVP_Cipher_key_length");
if (c == NULL) {
return 0;
}
switch (cipherType(c)) {
#if !defined(NO_AES)
#if defined(HAVE_AES_CBC) || defined(WOLFSSL_AES_DIRECT)
case WC_AES_128_CBC_TYPE: return 16;
case WC_AES_192_CBC_TYPE: return 24;
case WC_AES_256_CBC_TYPE: return 32;
#endif
#if defined(WOLFSSL_AES_CFB)
case WC_AES_128_CFB1_TYPE: return 16;
case WC_AES_192_CFB1_TYPE: return 24;
case WC_AES_256_CFB1_TYPE: return 32;
case WC_AES_128_CFB8_TYPE: return 16;
case WC_AES_192_CFB8_TYPE: return 24;
case WC_AES_256_CFB8_TYPE: return 32;
case WC_AES_128_CFB128_TYPE: return 16;
case WC_AES_192_CFB128_TYPE: return 24;
case WC_AES_256_CFB128_TYPE: return 32;
#endif
#if defined(WOLFSSL_AES_OFB)
case WC_AES_128_OFB_TYPE: return 16;
case WC_AES_192_OFB_TYPE: return 24;
case WC_AES_256_OFB_TYPE: return 32;
#endif
#if defined(WOLFSSL_AES_XTS) && (!defined(HAVE_FIPS) || FIPS_VERSION_GE(5,3))
/* Two keys for XTS. */
case WC_AES_128_XTS_TYPE: return 16 * 2;
case WC_AES_256_XTS_TYPE: return 32 * 2;
#endif
#if defined(HAVE_AESGCM)
case WC_AES_128_GCM_TYPE: return 16;
case WC_AES_192_GCM_TYPE: return 24;
case WC_AES_256_GCM_TYPE: return 32;
#endif
#if defined(HAVE_AESCCM)
case WC_AES_128_CCM_TYPE: return 16;
case WC_AES_192_CCM_TYPE: return 24;
case WC_AES_256_CCM_TYPE: return 32;
#endif
#if defined(WOLFSSL_AES_COUNTER)
case WC_AES_128_CTR_TYPE: return 16;
case WC_AES_192_CTR_TYPE: return 24;
case WC_AES_256_CTR_TYPE: return 32;
#endif
#if defined(HAVE_AES_ECB)
case WC_AES_128_ECB_TYPE: return 16;
case WC_AES_192_ECB_TYPE: return 24;
case WC_AES_256_ECB_TYPE: return 32;
#endif
#endif /* !NO_AES */
#ifndef NO_DES3
case WC_DES_CBC_TYPE: return 8;
case WC_DES_EDE3_CBC_TYPE: return 24;
case WC_DES_ECB_TYPE: return 8;
case WC_DES_EDE3_ECB_TYPE: return 24;
#endif
#ifndef NO_RC4
case WC_ARC4_TYPE: return 16;
#endif
#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
case WC_CHACHA20_POLY1305_TYPE: return 32;
#endif
#ifdef HAVE_CHACHA
case WC_CHACHA20_TYPE: return CHACHA_MAX_KEY_SZ;
#endif
#ifdef WOLFSSL_SM4_ECB
case WC_SM4_ECB_TYPE: return 16;
#endif
#ifdef WOLFSSL_SM4_CBC
case WC_SM4_CBC_TYPE: return 16;
#endif
#ifdef WOLFSSL_SM4_CTR
case WC_SM4_CTR_TYPE: return 16;
#endif
#ifdef WOLFSSL_SM4_GCM
case WC_SM4_GCM_TYPE: return 16;
#endif
#ifdef WOLFSSL_SM4_CCM
case WC_SM4_CCM_TYPE: return 16;
#endif
default:
return 0;
}
}
int wolfSSL_EVP_EncryptInit(WOLFSSL_EVP_CIPHER_CTX* ctx,
const WOLFSSL_EVP_CIPHER* type,
const unsigned char* key,
const unsigned char* iv)
{
return wolfSSL_EVP_CipherInit(ctx, type, (byte*)key, (byte*)iv, 1);
}
int wolfSSL_EVP_EncryptInit_ex(WOLFSSL_EVP_CIPHER_CTX* ctx,
const WOLFSSL_EVP_CIPHER* type,
WOLFSSL_ENGINE *impl,
const unsigned char* key,
const unsigned char* iv)
{
(void) impl;
return wolfSSL_EVP_CipherInit(ctx, type, (byte*)key, (byte*)iv, 1);
}
int wolfSSL_EVP_DecryptInit(WOLFSSL_EVP_CIPHER_CTX* ctx,
const WOLFSSL_EVP_CIPHER* type,
const unsigned char* key,
const unsigned char* iv)
{
WOLFSSL_ENTER("wolfSSL_EVP_CipherInit");
return wolfSSL_EVP_CipherInit(ctx, type, (byte*)key, (byte*)iv, 0);
}
int wolfSSL_EVP_DecryptInit_ex(WOLFSSL_EVP_CIPHER_CTX* ctx,
const WOLFSSL_EVP_CIPHER* type,
WOLFSSL_ENGINE *impl,
const unsigned char* key,
const unsigned char* iv)
{
(void) impl;
WOLFSSL_ENTER("wolfSSL_EVP_DecryptInit");
return wolfSSL_EVP_CipherInit(ctx, type, (byte*)key, (byte*)iv, 0);
}
WOLFSSL_EVP_CIPHER_CTX *wolfSSL_EVP_CIPHER_CTX_new(void)
{
WOLFSSL_EVP_CIPHER_CTX *ctx = (WOLFSSL_EVP_CIPHER_CTX*)XMALLOC(sizeof(*ctx),
NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (ctx) {
WOLFSSL_ENTER("wolfSSL_EVP_CIPHER_CTX_new");
wolfSSL_EVP_CIPHER_CTX_init(ctx);
}
return ctx;
}
void wolfSSL_EVP_CIPHER_CTX_free(WOLFSSL_EVP_CIPHER_CTX *ctx)
{
if (ctx) {
WOLFSSL_ENTER("wolfSSL_EVP_CIPHER_CTX_free");
wolfSSL_EVP_CIPHER_CTX_cleanup(ctx);
XFREE(ctx, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
}
int wolfSSL_EVP_CIPHER_CTX_reset(WOLFSSL_EVP_CIPHER_CTX *ctx)
{
int ret = WC_NO_ERR_TRACE(WOLFSSL_FAILURE);
if (ctx != NULL) {
WOLFSSL_ENTER("wolfSSL_EVP_CIPHER_CTX_reset");
wolfSSL_EVP_CIPHER_CTX_cleanup(ctx);
ret = WOLFSSL_SUCCESS;
}
return ret;
}
unsigned long wolfSSL_EVP_CIPHER_CTX_mode(const WOLFSSL_EVP_CIPHER_CTX *ctx)
{
if (ctx == NULL) return 0;
return ctx->flags & WOLFSSL_EVP_CIPH_MODE;
}
unsigned long wolfSSL_EVP_CIPHER_CTX_flags(const WOLFSSL_EVP_CIPHER_CTX *ctx)
{
if (ctx == NULL) return 0;
return ctx->flags;
}
int wolfSSL_EVP_EncryptFinal(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl)
{
if (ctx && ctx->enc) {
WOLFSSL_ENTER("wolfSSL_EVP_EncryptFinal");
return wolfSSL_EVP_CipherFinal(ctx, out, outl);
}
else
return WOLFSSL_FAILURE;
}
int wolfSSL_EVP_CipherInit_ex(WOLFSSL_EVP_CIPHER_CTX* ctx,
const WOLFSSL_EVP_CIPHER* type,
WOLFSSL_ENGINE *impl,
const unsigned char* key,
const unsigned char* iv,
int enc)
{
(void)impl;
return wolfSSL_EVP_CipherInit(ctx, type, key, iv, enc);
}
int wolfSSL_EVP_EncryptFinal_ex(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl)
{
if (ctx && ctx->enc) {
WOLFSSL_ENTER("wolfSSL_EVP_EncryptFinal_ex");
return wolfSSL_EVP_CipherFinal(ctx, out, outl);
}
else
return WOLFSSL_FAILURE;
}
int wolfSSL_EVP_DecryptFinal(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl)
{
if (ctx && !ctx->enc) {
WOLFSSL_ENTER("wolfSSL_EVP_DecryptFinal");
return wolfSSL_EVP_CipherFinal(ctx, out, outl);
}
else {
return WOLFSSL_FAILURE;
}
}
int wolfSSL_EVP_DecryptFinal_ex(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl)
{
if (ctx && !ctx->enc) {
WOLFSSL_ENTER("wolfSSL_EVP_DecryptFinal_ex");
return wolfSSL_EVP_CipherFinal(ctx, out, outl);
}
else {
return WOLFSSL_FAILURE;
}
}
#ifdef DEBUG_WOLFSSL_EVP
#define PRINT_BUF(b, sz) { int _i; for(_i=0; _i<(sz); _i++) { \
printf("%02x(%c),", (b)[_i], (b)[_i]); if ((_i+1)%8==0)printf("\n");}}
#else
#define PRINT_BUF(b, sz) WC_DO_NOTHING
#endif
static int fillBuff(WOLFSSL_EVP_CIPHER_CTX *ctx, const unsigned char *in, int sz)
{
if (sz > 0) {
int fill;
if ((sz+ctx->bufUsed) > ctx->block_size) {
fill = ctx->block_size - ctx->bufUsed;
} else {
fill = sz;
}
XMEMCPY(&(ctx->buf[ctx->bufUsed]), in, (size_t)fill);
ctx->bufUsed += fill;
return fill;
} else return 0;
}
static int evpCipherBlock(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out,
const unsigned char *in, int inLen)
{
int ret = 0;
word32 inl = (word32)inLen;
switch (ctx->cipherType) {
#if !defined(NO_AES)
#if defined(HAVE_AES_CBC)
case WC_AES_128_CBC_TYPE:
case WC_AES_192_CBC_TYPE:
case WC_AES_256_CBC_TYPE:
if (ctx->enc)
ret = wc_AesCbcEncrypt(&ctx->cipher.aes, out, in, inl);
else
ret = wc_AesCbcDecrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif
#if defined(WOLFSSL_AES_COUNTER)
case WC_AES_128_CTR_TYPE:
case WC_AES_192_CTR_TYPE:
case WC_AES_256_CTR_TYPE:
ret = wc_AesCtrEncrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif
#if defined(HAVE_AES_ECB)
case WC_AES_128_ECB_TYPE:
case WC_AES_192_ECB_TYPE:
case WC_AES_256_ECB_TYPE:
if (ctx->enc)
ret = wc_AesEcbEncrypt(&ctx->cipher.aes, out, in, inl);
else
ret = wc_AesEcbDecrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif
#if defined(WOLFSSL_AES_OFB)
case WC_AES_128_OFB_TYPE:
case WC_AES_192_OFB_TYPE:
case WC_AES_256_OFB_TYPE:
if (ctx->enc)
ret = wc_AesOfbEncrypt(&ctx->cipher.aes, out, in, inl);
else
ret = wc_AesOfbDecrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif
#if defined(WOLFSSL_AES_CFB)
#if !defined(WOLFSSL_NO_AES_CFB_1_8)
case WC_AES_128_CFB1_TYPE:
case WC_AES_192_CFB1_TYPE:
case WC_AES_256_CFB1_TYPE:
if (ctx->enc)
ret = wc_AesCfb1Encrypt(&ctx->cipher.aes, out, in,
inl * WOLFSSL_BIT_SIZE);
else
ret = wc_AesCfb1Decrypt(&ctx->cipher.aes, out, in,
inl * WOLFSSL_BIT_SIZE);
break;
case WC_AES_128_CFB8_TYPE:
case WC_AES_192_CFB8_TYPE:
case WC_AES_256_CFB8_TYPE:
if (ctx->enc)
ret = wc_AesCfb8Encrypt(&ctx->cipher.aes, out, in, inl);
else
ret = wc_AesCfb8Decrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif /* !WOLFSSL_NO_AES_CFB_1_8 */
case WC_AES_128_CFB128_TYPE:
case WC_AES_192_CFB128_TYPE:
case WC_AES_256_CFB128_TYPE:
if (ctx->enc)
ret = wc_AesCfbEncrypt(&ctx->cipher.aes, out, in, inl);
else
ret = wc_AesCfbDecrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif
#if defined(WOLFSSL_AES_XTS) && (!defined(HAVE_FIPS) || FIPS_VERSION_GE(5,3))
case WC_AES_128_XTS_TYPE:
case WC_AES_256_XTS_TYPE:
if (ctx->enc)
ret = wc_AesXtsEncrypt(&ctx->cipher.xts, out, in, inl,
ctx->iv, (word32)ctx->ivSz);
else
ret = wc_AesXtsDecrypt(&ctx->cipher.xts, out, in, inl,
ctx->iv, (word32)ctx->ivSz);
break;
#endif
#endif /* !NO_AES */
#ifndef NO_DES3
case WC_DES_CBC_TYPE:
if (ctx->enc)
ret = wc_Des_CbcEncrypt(&ctx->cipher.des, out, in, inl);
else
ret = wc_Des_CbcDecrypt(&ctx->cipher.des, out, in, inl);
break;
case WC_DES_EDE3_CBC_TYPE:
if (ctx->enc)
ret = wc_Des3_CbcEncrypt(&ctx->cipher.des3, out, in, inl);
else
ret = wc_Des3_CbcDecrypt(&ctx->cipher.des3, out, in, inl);
break;
#if defined(WOLFSSL_DES_ECB)
case WC_DES_ECB_TYPE:
if (ctx->enc)
ret = wc_Des_EcbEncrypt(&ctx->cipher.des, out, in, inl);
else
ret = wc_Des_EcbDecrypt(&ctx->cipher.des, out, in, inl);
break;
case WC_DES_EDE3_ECB_TYPE:
if (ctx->enc)
ret = wc_Des3_EcbEncrypt(&ctx->cipher.des3, out, in, inl);
else
ret = wc_Des3_EcbDecrypt(&ctx->cipher.des3, out, in, inl);
break;
#endif
#endif
#ifndef NO_RC4
case WC_ARC4_TYPE:
wc_Arc4Process(&ctx->cipher.arc4, out, in, inl);
break;
#endif
#if defined(WOLFSSL_SM4_ECB)
case WC_SM4_ECB_TYPE:
if (ctx->enc)
wc_Sm4EcbEncrypt(&ctx->cipher.sm4, out, in, inl);
else
wc_Sm4EcbDecrypt(&ctx->cipher.sm4, out, in, inl);
break;
#endif
#if defined(WOLFSSL_SM4_CBC)
case WC_SM4_CBC_TYPE:
if (ctx->enc)
wc_Sm4CbcEncrypt(&ctx->cipher.sm4, out, in, inl);
else
wc_Sm4CbcDecrypt(&ctx->cipher.sm4, out, in, inl);
break;
#endif
#if defined(WOLFSSL_SM4_CTR)
case WC_SM4_CTR_TYPE:
wc_Sm4CtrEncrypt(&ctx->cipher.sm4, out, in, inl);
break;
#endif
default:
ret = WOLFSSL_FAILURE;
}
(void)in;
(void)inl;
(void)out;
return (ret == 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
}
#if defined(HAVE_AESGCM) || defined(WOLFSSL_SM4_GCM)
#if defined(WOLFSSL_SM4_GCM) || !defined(WOLFSSL_AESGCM_STREAM)
static int wolfSSL_EVP_CipherUpdate_GCM_AAD(WOLFSSL_EVP_CIPHER_CTX *ctx,
const unsigned char *in, int inl) {
if (in && inl > 0) {
byte* tmp;
if (inl > INT_MAX - ctx->authInSz) {
WOLFSSL_MSG("AuthIn overflow");
return BAD_FUNC_ARG;
}
#ifdef WOLFSSL_NO_REALLOC
tmp = (byte*)XMALLOC((size_t)(ctx->authInSz + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
if (tmp != NULL) {
XMEMCPY(tmp, ctx->authIn, (size_t)ctx->authInSz);
XFREE(ctx->authIn, NULL, DYNAMIC_TYPE_OPENSSL);
ctx->authIn = NULL;
}
#else
tmp = (byte*)XREALLOC(ctx->authIn,
(size_t)(ctx->authInSz + inl), NULL, DYNAMIC_TYPE_OPENSSL);
#endif
if (tmp) {
ctx->authIn = tmp;
XMEMCPY(ctx->authIn + ctx->authInSz, in, (size_t)inl);
ctx->authInSz += inl;
}
else {
WOLFSSL_MSG("realloc error");
return MEMORY_E;
}
}
return 0;
}
#endif /* WOLFSSL_AESGCM_STREAM */
static int wolfSSL_EVP_CipherUpdate_GCM(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl,
const unsigned char *in, int inLen)
{
word32 inl = (word32)inLen;
#if defined(WOLFSSL_SM4_GCM) || !defined(WOLFSSL_AESGCM_STREAM)
#if defined(WOLFSSL_SM4_GCM) && defined(WOLFSSL_AESGCM_STREAM)
if (ctx->cipherType == WC_SM4_GCM_TYPE)
#endif
{
int ret = 0;
*outl = inl;
if (out) {
/* Buffer input for one-shot API */
if (inl > 0) {
byte* tmp;
if ((int)inl > INT_MAX - ctx->authBufferLen) {
return MEMORY_E;
}
#ifdef WOLFSSL_NO_REALLOC
tmp = (byte*)XMALLOC((size_t)(ctx->authBufferLen + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
if (tmp != NULL) {
XMEMCPY(tmp, ctx->authBuffer, (size_t)ctx->authBufferLen);
XFREE(ctx->authBuffer, NULL, DYNAMIC_TYPE_OPENSSL);
ctx->authBuffer = NULL;
}
#else
tmp = (byte*)XREALLOC(ctx->authBuffer,
(size_t)(ctx->authBufferLen + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
#endif
if (tmp) {
XMEMCPY(tmp + ctx->authBufferLen, in, (size_t)inl);
ctx->authBufferLen += inl;
ctx->authBuffer = tmp;
*outl = 0;
}
else {
ret = MEMORY_E;
}
}
}
else {
ret = wolfSSL_EVP_CipherUpdate_GCM_AAD(ctx, in, inl);
}
if (ret != 0) {
*outl = 0;
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
#endif
#if defined(WOLFSSL_SM4_GCM) && defined(WOLFSSL_AESGCM_STREAM)
else
#endif
#if defined(WOLFSSL_AESGCM_STREAM)
{
int ret;
/* When out is NULL then this is AAD. */
if (out == NULL) {
if (ctx->enc) {
ret = wc_AesGcmEncryptUpdate(&ctx->cipher.aes, NULL, NULL, 0,
in, inl);
}
else {
ret = wc_AesGcmDecryptUpdate(&ctx->cipher.aes, NULL, NULL, 0,
in, inl);
}
}
/* When out is not NULL then this is plaintext/cipher text. */
else {
if (ctx->enc) {
ret = wc_AesGcmEncryptUpdate(&ctx->cipher.aes, out, in, inl,
NULL, 0);
}
else {
ret = wc_AesGcmDecryptUpdate(&ctx->cipher.aes, out, in, inl,
NULL, 0);
}
}
*outl = (int)inl;
if (ret == 0) {
ret = WOLFSSL_SUCCESS;
}
else {
ret = WOLFSSL_FAILURE;
}
return ret;
}
#endif /* WOLFSSL_AESGCM_STREAM */
}
#endif /* HAVE_AESGCM || WOLFSSL_SM4_GCM */
#if defined(HAVE_AESCCM) || defined(WOLFSSL_SM4_CCM)
static int wolfSSL_EVP_CipherUpdate_CCM_AAD(WOLFSSL_EVP_CIPHER_CTX *ctx,
const unsigned char *in, int inl) {
if (in && inl > 0) {
byte* tmp;
if (inl > INT_MAX - ctx->authInSz) {
WOLFSSL_MSG("AuthIn overflow");
return BAD_FUNC_ARG;
}
#ifdef WOLFSSL_NO_REALLOC
tmp = (byte*)XMALLOC((size_t)(ctx->authInSz + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
if (tmp != NULL) {
XMEMCPY(tmp, ctx->authIn, (size_t)ctx->authInSz);
XFREE(ctx->authIn, NULL, DYNAMIC_TYPE_OPENSSL);
ctx->authIn = NULL;
}
#else
tmp = (byte*)XREALLOC(ctx->authIn,
(size_t)(ctx->authInSz + inl), NULL, DYNAMIC_TYPE_OPENSSL);
#endif
if (tmp) {
ctx->authIn = tmp;
XMEMCPY(ctx->authIn + ctx->authInSz, in, (size_t)inl);
ctx->authInSz += inl;
}
else {
WOLFSSL_MSG("realloc error");
return MEMORY_E;
}
}
return 0;
}
static int wolfSSL_EVP_CipherUpdate_CCM(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl,
const unsigned char *in, int inl)
{
int ret = 0;
*outl = inl;
if (out) {
/* Buffer input for one-shot API */
if (inl > 0) {
byte* tmp;
if (inl > INT_MAX - ctx->authBufferLen) {
return MEMORY_E;
}
#ifdef WOLFSSL_NO_REALLOC
tmp = (byte*)XMALLOC((size_t)(ctx->authBufferLen + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
if (tmp != NULL) {
XMEMCPY(tmp, ctx->authBuffer, (size_t)ctx->authBufferLen);
XFREE(ctx->authBuffer, NULL, DYNAMIC_TYPE_OPENSSL);
ctx->authBuffer = NULL;
}
#else
tmp = (byte*)XREALLOC(ctx->authBuffer,
(size_t)(ctx->authBufferLen + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
#endif
if (tmp) {
XMEMCPY(tmp + ctx->authBufferLen, in, (size_t)inl);
ctx->authBufferLen += inl;
ctx->authBuffer = tmp;
*outl = 0;
}
else {
ret = MEMORY_E;
}
}
}
else {
ret = wolfSSL_EVP_CipherUpdate_CCM_AAD(ctx, in, inl);
}
if (ret != 0) {
*outl = 0;
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
#endif /* HAVE_AESCCM || WOLFSSL_SM4_CCM */
#if defined(HAVE_ARIA)
static int wolfSSL_EVP_CipherUpdate_AriaGCM_AAD(WOLFSSL_EVP_CIPHER_CTX *ctx,
const unsigned char *in, int inl)
{
if (in && inl > 0) {
byte* tmp;
if (inl > INT_MAX - ctx->authInSz) {
WOLFSSL_MSG("AuthIn overflow");
return BAD_FUNC_ARG;
}
#ifdef WOLFSSL_NO_REALLOC
tmp = (byte*)XMALLOC((size_t)(ctx->authInSz + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
if (tmp != NULL) {
XMEMCPY(tmp, ctx->authIn, (size_t)ctx->authInSz);
XFREE(ctx->authIn, NULL, DYNAMIC_TYPE_OPENSSL);
ctx->authIn = NULL;
}
#else
tmp = (byte*)XREALLOC(ctx->authIn,
(size_t)(ctx->authInSz + inl), NULL, DYNAMIC_TYPE_OPENSSL);
#endif
if (tmp) {
ctx->authIn = tmp;
XMEMCPY(ctx->authIn + ctx->authInSz, in, (size_t)inl);
ctx->authInSz += inl;
}
else {
WOLFSSL_MSG("realloc error");
return MEMORY_E;
}