summaryrefslogtreecommitdiff
path: root/main/openssl/ssl/ssl_locl.h
blob: ca399078979ae06e0f0c85cc0a25cc2594380d7e (plain)
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
/* ssl/ssl_locl.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */
/* ====================================================================
 * Copyright (c) 1998-2007 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@openssl.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */
/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 * ECC cipher suite support in OpenSSL originally developed by 
 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 */
/* ====================================================================
 * Copyright 2005 Nokia. All rights reserved.
 *
 * The portions of the attached software ("Contribution") is developed by
 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 * license.
 *
 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 * support (see RFC 4279) to OpenSSL.
 *
 * No patent licenses or other rights except those expressly stated in
 * the OpenSSL open source license shall be deemed granted or received
 * expressly, by implication, estoppel, or otherwise.
 *
 * No assurances are provided by Nokia that the Contribution does not
 * infringe the patent or other intellectual property rights of any third
 * party or that the license provides you with all the necessary rights
 * to make use of the Contribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 * OTHERWISE.
 */

#ifndef HEADER_SSL_LOCL_H
#define HEADER_SSL_LOCL_H
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <errno.h>

#include "e_os.h"

#include <openssl/buffer.h>
#ifndef OPENSSL_NO_COMP
#include <openssl/comp.h>
#endif
#include <openssl/bio.h>
#include <openssl/stack.h>
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif
#ifndef OPENSSL_NO_DSA
#include <openssl/dsa.h>
#endif
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <openssl/symhacks.h>

#ifdef OPENSSL_BUILD_SHLIBSSL
# undef OPENSSL_EXTERN
# define OPENSSL_EXTERN OPENSSL_EXPORT
#endif

#undef PKCS1_CHECK

#define c2l(c,l)	(l = ((unsigned long)(*((c)++)))     , \
			 l|=(((unsigned long)(*((c)++)))<< 8), \
			 l|=(((unsigned long)(*((c)++)))<<16), \
			 l|=(((unsigned long)(*((c)++)))<<24))

/* NOTE - c is not incremented as per c2l */
#define c2ln(c,l1,l2,n)	{ \
			c+=n; \
			l1=l2=0; \
			switch (n) { \
			case 8: l2 =((unsigned long)(*(--(c))))<<24; \
			case 7: l2|=((unsigned long)(*(--(c))))<<16; \
			case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
			case 5: l2|=((unsigned long)(*(--(c))));     \
			case 4: l1 =((unsigned long)(*(--(c))))<<24; \
			case 3: l1|=((unsigned long)(*(--(c))))<<16; \
			case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
			case 1: l1|=((unsigned long)(*(--(c))));     \
				} \
			}

#define l2c(l,c)	(*((c)++)=(unsigned char)(((l)    )&0xff), \
			 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
			 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
			 *((c)++)=(unsigned char)(((l)>>24)&0xff))

#define n2l(c,l)	(l =((unsigned long)(*((c)++)))<<24, \
			 l|=((unsigned long)(*((c)++)))<<16, \
			 l|=((unsigned long)(*((c)++)))<< 8, \
			 l|=((unsigned long)(*((c)++))))

#define l2n(l,c)	(*((c)++)=(unsigned char)(((l)>>24)&0xff), \
			 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
			 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
			 *((c)++)=(unsigned char)(((l)    )&0xff))

#define l2n6(l,c)	(*((c)++)=(unsigned char)(((l)>>40)&0xff), \
			 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
			 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
			 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
			 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
			 *((c)++)=(unsigned char)(((l)    )&0xff))

#define l2n8(l,c)	(*((c)++)=(unsigned char)(((l)>>56)&0xff), \
			 *((c)++)=(unsigned char)(((l)>>48)&0xff), \
			 *((c)++)=(unsigned char)(((l)>>40)&0xff), \
			 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
			 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
			 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
			 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
			 *((c)++)=(unsigned char)(((l)    )&0xff))

#define n2l6(c,l)	(l =((BN_ULLONG)(*((c)++)))<<40, \
			 l|=((BN_ULLONG)(*((c)++)))<<32, \
			 l|=((BN_ULLONG)(*((c)++)))<<24, \
			 l|=((BN_ULLONG)(*((c)++)))<<16, \
			 l|=((BN_ULLONG)(*((c)++)))<< 8, \
			 l|=((BN_ULLONG)(*((c)++))))

/* NOTE - c is not incremented as per l2c */
#define l2cn(l1,l2,c,n)	{ \
			c+=n; \
			switch (n) { \
			case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
			case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
			case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
			case 5: *(--(c))=(unsigned char)(((l2)    )&0xff); \
			case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
			case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
			case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
			case 1: *(--(c))=(unsigned char)(((l1)    )&0xff); \
				} \
			}

#define n2s(c,s)	((s=(((unsigned int)(c[0]))<< 8)| \
			    (((unsigned int)(c[1]))    )),c+=2)
#define s2n(s,c)	((c[0]=(unsigned char)(((s)>> 8)&0xff), \
			  c[1]=(unsigned char)(((s)    )&0xff)),c+=2)

#define n2l3(c,l)	((l =(((unsigned long)(c[0]))<<16)| \
			     (((unsigned long)(c[1]))<< 8)| \
			     (((unsigned long)(c[2]))    )),c+=3)

#define l2n3(l,c)	((c[0]=(unsigned char)(((l)>>16)&0xff), \
			  c[1]=(unsigned char)(((l)>> 8)&0xff), \
			  c[2]=(unsigned char)(((l)    )&0xff)),c+=3)

/* LOCAL STUFF */

#define SSL_DECRYPT	0
#define SSL_ENCRYPT	1

#define TWO_BYTE_BIT	0x80
#define SEC_ESC_BIT	0x40
#define TWO_BYTE_MASK	0x7fff
#define THREE_BYTE_MASK	0x3fff

#define INC32(a)	((a)=((a)+1)&0xffffffffL)
#define DEC32(a)	((a)=((a)-1)&0xffffffffL)
#define MAX_MAC_SIZE	20 /* up from 16 for SSLv3 */

/*
 * Define the Bitmasks for SSL_CIPHER.algorithms.
 * This bits are used packed as dense as possible. If new methods/ciphers
 * etc will be added, the bits a likely to change, so this information
 * is for internal library use only, even though SSL_CIPHER.algorithms
 * can be publicly accessed.
 * Use the according functions for cipher management instead.
 *
 * The bit mask handling in the selection and sorting scheme in
 * ssl_create_cipher_list() has only limited capabilities, reflecting
 * that the different entities within are mutually exclusive:
 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
 */

/* Bits for algorithm_mkey (key exchange algorithm) */
#define SSL_kRSA		0x00000001L /* RSA key exchange */
#define SSL_kDHr		0x00000002L /* DH cert, RSA CA cert */ /* no such ciphersuites supported! */
#define SSL_kDHd		0x00000004L /* DH cert, DSA CA cert */ /* no such ciphersuite supported! */
#define SSL_kEDH		0x00000008L /* tmp DH key no DH cert */
#define SSL_kKRB5		0x00000010L /* Kerberos5 key exchange */
#define SSL_kECDHr		0x00000020L /* ECDH cert, RSA CA cert */
#define SSL_kECDHe		0x00000040L /* ECDH cert, ECDSA CA cert */
#define SSL_kEECDH		0x00000080L /* ephemeral ECDH */
#define SSL_kPSK		0x00000100L /* PSK */
#define SSL_kGOST       0x00000200L /* GOST key exchange */
#define SSL_kSRP        0x00000400L /* SRP */

/* Bits for algorithm_auth (server authentication) */
#define SSL_aRSA		0x00000001L /* RSA auth */
#define SSL_aDSS 		0x00000002L /* DSS auth */
#define SSL_aNULL 		0x00000004L /* no auth (i.e. use ADH or AECDH) */
#define SSL_aDH 		0x00000008L /* Fixed DH auth (kDHd or kDHr) */ /* no such ciphersuites supported! */
#define SSL_aECDH 		0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */
#define SSL_aKRB5               0x00000020L /* KRB5 auth */
#define SSL_aECDSA              0x00000040L /* ECDSA auth*/
#define SSL_aPSK                0x00000080L /* PSK auth */
#define SSL_aGOST94				0x00000100L /* GOST R 34.10-94 signature auth */
#define SSL_aGOST01 			0x00000200L /* GOST R 34.10-2001 signature auth */
#define SSL_aSRP 		0x00000400L /* SRP auth */


/* Bits for algorithm_enc (symmetric encryption) */
#define SSL_DES			0x00000001L
#define SSL_3DES		0x00000002L
#define SSL_RC4			0x00000004L
#define SSL_RC2			0x00000008L
#define SSL_IDEA		0x00000010L
#define SSL_eNULL		0x00000020L
#define SSL_AES128		0x00000040L
#define SSL_AES256		0x00000080L
#define SSL_CAMELLIA128		0x00000100L
#define SSL_CAMELLIA256		0x00000200L
#define SSL_eGOST2814789CNT	0x00000400L
#define SSL_SEED		0x00000800L
#define SSL_AES128GCM		0x00001000L
#define SSL_AES256GCM		0x00002000L

#define SSL_AES        		(SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM)
#define SSL_CAMELLIA		(SSL_CAMELLIA128|SSL_CAMELLIA256)


/* Bits for algorithm_mac (symmetric authentication) */

#define SSL_MD5			0x00000001L
#define SSL_SHA1		0x00000002L
#define SSL_GOST94      0x00000004L
#define SSL_GOST89MAC   0x00000008L
#define SSL_SHA256		0x00000010L
#define SSL_SHA384		0x00000020L
/* Not a real MAC, just an indication it is part of cipher */
#define SSL_AEAD		0x00000040L

/* Bits for algorithm_ssl (protocol version) */
#define SSL_SSLV2		0x00000001L
#define SSL_SSLV3		0x00000002L
#define SSL_TLSV1		SSL_SSLV3	/* for now */
#define SSL_TLSV1_2		0x00000004L


/* Bits for algorithm2 (handshake digests and other extra flags) */

#define SSL_HANDSHAKE_MAC_MD5 0x10
#define SSL_HANDSHAKE_MAC_SHA 0x20
#define SSL_HANDSHAKE_MAC_GOST94 0x40
#define SSL_HANDSHAKE_MAC_SHA256 0x80
#define SSL_HANDSHAKE_MAC_SHA384 0x100
#define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA)

/* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX
 * make sure to update this constant too */
#define SSL_MAX_DIGEST 6

#define TLS1_PRF_DGST_MASK	(0xff << TLS1_PRF_DGST_SHIFT)

#define TLS1_PRF_DGST_SHIFT 10
#define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT)
#define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT)
#define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT)
#define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT)
#define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT)
#define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1)

/* Stream MAC for GOST ciphersuites from cryptopro draft
 * (currently this also goes into algorithm2) */
#define TLS1_STREAM_MAC 0x04

#define TLSEXT_CHANNEL_ID_SIZE 128


/*
 * Export and cipher strength information. For each cipher we have to decide
 * whether it is exportable or not. This information is likely to change
 * over time, since the export control rules are no static technical issue.
 *
 * Independent of the export flag the cipher strength is sorted into classes.
 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
 * since SSL_EXP64 could be similar to SSL_LOW.
 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
 * be possible.
 */
#define SSL_EXP_MASK		0x00000003L
#define SSL_STRONG_MASK		0x000001fcL

#define SSL_NOT_EXP		0x00000001L
#define SSL_EXPORT		0x00000002L

#define SSL_STRONG_NONE		0x00000004L
#define SSL_EXP40		0x00000008L
#define SSL_MICRO		(SSL_EXP40)
#define SSL_EXP56		0x00000010L
#define SSL_MINI		(SSL_EXP56)
#define SSL_LOW			0x00000020L
#define SSL_MEDIUM		0x00000040L
#define SSL_HIGH		0x00000080L
#define SSL_FIPS		0x00000100L

/* we have used 000001ff - 23 bits left to go */

/*
 * Macros to check the export status and cipher strength for export ciphers.
 * Even though the macros for EXPORT and EXPORT40/56 have similar names,
 * their meaning is different:
 * *_EXPORT macros check the 'exportable' status.
 * *_EXPORT40/56 macros are used to check whether a certain cipher strength
 *          is given.
 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
 * algorithm structure element to be passed (algorithms, algo_strength) and no
 * typechecking can be done as they are all of type unsigned long, their
 * direct usage is discouraged.
 * Use the SSL_C_* macros instead.
 */
#define SSL_IS_EXPORT(a)	((a)&SSL_EXPORT)
#define SSL_IS_EXPORT56(a)	((a)&SSL_EXP56)
#define SSL_IS_EXPORT40(a)	((a)&SSL_EXP40)
#define SSL_C_IS_EXPORT(c)	SSL_IS_EXPORT((c)->algo_strength)
#define SSL_C_IS_EXPORT56(c)	SSL_IS_EXPORT56((c)->algo_strength)
#define SSL_C_IS_EXPORT40(c)	SSL_IS_EXPORT40((c)->algo_strength)

#define SSL_EXPORT_KEYLENGTH(a,s)	(SSL_IS_EXPORT40(s) ? 5 : \
				 (a) == SSL_DES ? 8 : 7)
#define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
#define SSL_C_EXPORT_KEYLENGTH(c)	SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
				(c)->algo_strength)
#define SSL_C_EXPORT_PKEYLENGTH(c)	SSL_EXPORT_PKEYLENGTH((c)->algo_strength)




/* Mostly for SSLv3 */
#define SSL_PKEY_RSA_ENC	0
#define SSL_PKEY_RSA_SIGN	1
#define SSL_PKEY_DSA_SIGN	2
#define SSL_PKEY_DH_RSA		3
#define SSL_PKEY_DH_DSA		4
#define SSL_PKEY_ECC            5
#define SSL_PKEY_GOST94		6
#define SSL_PKEY_GOST01		7
#define SSL_PKEY_NUM		8

/* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
 * 	    <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
 * SSL_kDH  <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
 * SSL_aRSA <- RSA_ENC | RSA_SIGN
 * SSL_aDSS <- DSA_SIGN
 */

/*
#define CERT_INVALID		0
#define CERT_PUBLIC_KEY		1
#define CERT_PRIVATE_KEY	2
*/

#ifndef OPENSSL_NO_EC
/* From ECC-TLS draft, used in encoding the curve type in 
 * ECParameters
 */
#define EXPLICIT_PRIME_CURVE_TYPE  1   
#define EXPLICIT_CHAR2_CURVE_TYPE  2
#define NAMED_CURVE_TYPE           3
#endif  /* OPENSSL_NO_EC */

typedef struct cert_pkey_st
	{
	X509 *x509;
	STACK_OF(X509) *cert_chain;
	EVP_PKEY *privatekey;
	} CERT_PKEY;

typedef struct cert_st
	{
	/* Current active set */
	CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
			 * Probably it would make more sense to store
			 * an index, not a pointer. */
 
	/* The following masks are for the key and auth
	 * algorithms that are supported by the certs below */
	int valid;
	unsigned long mask_k;
	unsigned long mask_a;
	unsigned long export_mask_k;
	unsigned long export_mask_a;
#ifndef OPENSSL_NO_RSA
	RSA *rsa_tmp;
	RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
#endif
#ifndef OPENSSL_NO_DH
	DH *dh_tmp;
	DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
#endif
#ifndef OPENSSL_NO_ECDH
	EC_KEY *ecdh_tmp;
	/* Callback for generating ephemeral ECDH keys */
	EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
#endif

	CERT_PKEY pkeys[SSL_PKEY_NUM];

	int references; /* >1 only if SSL_copy_session_id is used */
	} CERT;


typedef struct sess_cert_st
	{
	STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */

	/* The 'peer_...' members are used only by clients. */
	int peer_cert_type;

	CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
	CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
	/* Obviously we don't have the private keys of these,
	 * so maybe we shouldn't even use the CERT_PKEY type here. */

#ifndef OPENSSL_NO_RSA
	RSA *peer_rsa_tmp; /* not used for SSL 2 */
#endif
#ifndef OPENSSL_NO_DH
	DH *peer_dh_tmp; /* not used for SSL 2 */
#endif
#ifndef OPENSSL_NO_ECDH
	EC_KEY *peer_ecdh_tmp;
#endif

	int references; /* actually always 1 at the moment */
	} SESS_CERT;


/*#define MAC_DEBUG	*/

/*#define ERR_DEBUG	*/
/*#define ABORT_DEBUG	*/
/*#define PKT_DEBUG 1   */
/*#define DES_DEBUG	*/
/*#define DES_OFB_DEBUG	*/
/*#define SSL_DEBUG	*/
/*#define RSA_DEBUG	*/ 
/*#define IDEA_DEBUG	*/ 

#define FP_ICC  (int (*)(const void *,const void *))
#define ssl_put_cipher_by_char(ssl,ciph,ptr) \
		((ssl)->method->put_cipher_by_char((ciph),(ptr)))
#define ssl_get_cipher_by_char(ssl,ptr) \
		((ssl)->method->get_cipher_by_char(ptr))

/* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
 * It is a bit of a mess of functions, but hell, think of it as
 * an opaque structure :-) */
typedef struct ssl3_enc_method
	{
	int (*enc)(SSL *, int);
	int (*mac)(SSL *, unsigned char *, int);
	int (*setup_key_block)(SSL *);
	int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
	int (*change_cipher_state)(SSL *, int);
	int (*final_finish_mac)(SSL *,  const char *, int, unsigned char *);
	int finish_mac_length;
	int (*cert_verify_mac)(SSL *, int, unsigned char *);
	const char *client_finished_label;
	int client_finished_label_len;
	const char *server_finished_label;
	int server_finished_label_len;
	int (*alert_value)(int);
	int (*export_keying_material)(SSL *, unsigned char *, size_t,
				      const char *, size_t,
				      const unsigned char *, size_t,
				      int use_context);
	} SSL3_ENC_METHOD;

#ifndef OPENSSL_NO_COMP
/* Used for holding the relevant compression methods loaded into SSL_CTX */
typedef struct ssl3_comp_st
	{
	int comp_id;	/* The identifier byte for this compression type */
	char *name;	/* Text name used for the compression type */
	COMP_METHOD *method; /* The method :-) */
	} SSL3_COMP;
#endif

#ifndef OPENSSL_NO_BUF_FREELISTS
typedef struct ssl3_buf_freelist_st
	{
	size_t chunklen;
	unsigned int len;
	struct ssl3_buf_freelist_entry_st *head;
	} SSL3_BUF_FREELIST;

typedef struct ssl3_buf_freelist_entry_st
	{
	struct ssl3_buf_freelist_entry_st *next;
	} SSL3_BUF_FREELIST_ENTRY;
#endif

extern SSL3_ENC_METHOD ssl3_undef_enc_method;
OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[];
OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];


SSL_METHOD *ssl_bad_method(int ver);

extern SSL3_ENC_METHOD TLSv1_enc_data;
extern SSL3_ENC_METHOD SSLv3_enc_data;
extern SSL3_ENC_METHOD DTLSv1_enc_data;

#define SSL_IS_DTLS(s) (s->method->version == DTLS1_VERSION)

#define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
				s_get_meth) \
const SSL_METHOD *func_name(void)  \
	{ \
	static const SSL_METHOD func_name##_data= { \
		version, \
		tls1_new, \
		tls1_clear, \
		tls1_free, \
		s_accept, \
		s_connect, \
		ssl3_read, \
		ssl3_peek, \
		ssl3_write, \
		ssl3_shutdown, \
		ssl3_renegotiate, \
		ssl3_renegotiate_check, \
		ssl3_get_message, \
		ssl3_read_bytes, \
		ssl3_write_bytes, \
		ssl3_dispatch_alert, \
		ssl3_ctrl, \
		ssl3_ctx_ctrl, \
		ssl3_get_cipher_by_char, \
		ssl3_put_cipher_by_char, \
		ssl3_pending, \
		ssl3_num_ciphers, \
		ssl3_get_cipher, \
		s_get_meth, \
		tls1_default_timeout, \
		&TLSv1_enc_data, \
		ssl_undefined_void_function, \
		ssl3_callback_ctrl, \
		ssl3_ctx_callback_ctrl, \
	}; \
	return &func_name##_data; \
	}

#define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
const SSL_METHOD *func_name(void)  \
	{ \
	static const SSL_METHOD func_name##_data= { \
		SSL3_VERSION, \
		ssl3_new, \
		ssl3_clear, \
		ssl3_free, \
		s_accept, \
		s_connect, \
		ssl3_read, \
		ssl3_peek, \
		ssl3_write, \
		ssl3_shutdown, \
		ssl3_renegotiate, \
		ssl3_renegotiate_check, \
		ssl3_get_message, \
		ssl3_read_bytes, \
		ssl3_write_bytes, \
		ssl3_dispatch_alert, \
		ssl3_ctrl, \
		ssl3_ctx_ctrl, \
		ssl3_get_cipher_by_char, \
		ssl3_put_cipher_by_char, \
		ssl3_pending, \
		ssl3_num_ciphers, \
		ssl3_get_cipher, \
		s_get_meth, \
		ssl3_default_timeout, \
		&SSLv3_enc_data, \
		ssl_undefined_void_function, \
		ssl3_callback_ctrl, \
		ssl3_ctx_callback_ctrl, \
	}; \
	return &func_name##_data; \
	}

#define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
const SSL_METHOD *func_name(void)  \
	{ \
	static const SSL_METHOD func_name##_data= { \
	TLS1_2_VERSION, \
	tls1_new, \
	tls1_clear, \
	tls1_free, \
	s_accept, \
	s_connect, \
	ssl23_read, \
	ssl23_peek, \
	ssl23_write, \
	ssl_undefined_function, \
	ssl_undefined_function, \
	ssl_ok, \
	ssl3_get_message, \
	ssl3_read_bytes, \
	ssl3_write_bytes, \
	ssl3_dispatch_alert, \
	ssl3_ctrl, \
	ssl3_ctx_ctrl, \
	ssl23_get_cipher_by_char, \
	ssl23_put_cipher_by_char, \
	ssl_undefined_const_function, \
	ssl23_num_ciphers, \
	ssl23_get_cipher, \
	s_get_meth, \
	ssl23_default_timeout, \
	&ssl3_undef_enc_method, \
	ssl_undefined_void_function, \
	ssl3_callback_ctrl, \
	ssl3_ctx_callback_ctrl, \
	}; \
	return &func_name##_data; \
	}

#define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
const SSL_METHOD *func_name(void)  \
	{ \
	static const SSL_METHOD func_name##_data= { \
		SSL2_VERSION, \
		ssl2_new,	/* local */ \
		ssl2_clear,	/* local */ \
		ssl2_free,	/* local */ \
		s_accept, \
		s_connect, \
		ssl2_read, \
		ssl2_peek, \
		ssl2_write, \
		ssl2_shutdown, \
		ssl_ok,	/* NULL - renegotiate */ \
		ssl_ok,	/* NULL - check renegotiate */ \
		NULL, /* NULL - ssl_get_message */ \
		NULL, /* NULL - ssl_get_record */ \
		NULL, /* NULL - ssl_write_bytes */ \
		NULL, /* NULL - dispatch_alert */ \
		ssl2_ctrl,	/* local */ \
		ssl2_ctx_ctrl,	/* local */ \
		ssl2_get_cipher_by_char, \
		ssl2_put_cipher_by_char, \
		ssl2_pending, \
		ssl2_num_ciphers, \
		ssl2_get_cipher, \
		s_get_meth, \
		ssl2_default_timeout, \
		&ssl3_undef_enc_method, \
		ssl_undefined_void_function, \
		ssl2_callback_ctrl,	/* local */ \
		ssl2_ctx_callback_ctrl,	/* local */ \
	}; \
	return &func_name##_data; \
	}

#define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
const SSL_METHOD *func_name(void)  \
	{ \
	static const SSL_METHOD func_name##_data= { \
		DTLS1_VERSION, \
		dtls1_new, \
		dtls1_clear, \
		dtls1_free, \
		s_accept, \
		s_connect, \
		ssl3_read, \
		ssl3_peek, \
		ssl3_write, \
		dtls1_shutdown, \
		ssl3_renegotiate, \
		ssl3_renegotiate_check, \
		dtls1_get_message, \
		dtls1_read_bytes, \
		dtls1_write_app_data_bytes, \
		dtls1_dispatch_alert, \
		dtls1_ctrl, \
		ssl3_ctx_ctrl, \
		ssl3_get_cipher_by_char, \
		ssl3_put_cipher_by_char, \
		ssl3_pending, \
		ssl3_num_ciphers, \
		dtls1_get_cipher, \
		s_get_meth, \
		dtls1_default_timeout, \
		&DTLSv1_enc_data, \
		ssl_undefined_void_function, \
		ssl3_callback_ctrl, \
		ssl3_ctx_callback_ctrl, \
	}; \
	return &func_name##_data; \
	}

struct openssl_ssl_test_functions
	{
	int (*p_ssl_init_wbio_buffer)(SSL *s, int push);
	int (*p_ssl3_setup_buffers)(SSL *s);
	int (*p_tls1_process_heartbeat)(SSL *s);
	int (*p_dtls1_process_heartbeat)(SSL *s);
	};

#ifndef OPENSSL_UNIT_TEST

void ssl_clear_cipher_ctx(SSL *s);
int ssl_clear_bad_session(SSL *s);
CERT *ssl_cert_new(void);
CERT *ssl_cert_dup(CERT *cert);
int ssl_cert_inst(CERT **o);
void ssl_cert_free(CERT *c);
SESS_CERT *ssl_sess_cert_new(void);
void ssl_sess_cert_free(SESS_CERT *sc);
int ssl_set_peer_cert_type(SESS_CERT *c, int type);
int ssl_get_new_session(SSL *s, int session);
int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit);
int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
				  ssl_cipher_id);
int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
			const SSL_CIPHER * const *bp);
STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
					       STACK_OF(SSL_CIPHER) **skp);
int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
                             int (*put_cb)(const SSL_CIPHER *, unsigned char *));
STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
					     STACK_OF(SSL_CIPHER) **pref,
					     STACK_OF(SSL_CIPHER) **sorted,
					     const char *rule_str);
void ssl_update_cache(SSL *s, int mode);
int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
		       const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp);
int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md);			   
int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
int ssl_undefined_function(SSL *s);
int ssl_undefined_void_function(void);
int ssl_undefined_const_function(const SSL *s);
CERT_PKEY *ssl_get_server_send_pkey(const SSL *s);
X509 *ssl_get_server_send_cert(const SSL *);
EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd);
int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher);
STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
int ssl_verify_alarm_type(long type);
void ssl_load_ciphers(void);
int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len);

int ssl2_enc_init(SSL *s, int client);
int ssl2_generate_key_material(SSL *s);
void ssl2_enc(SSL *s,int send_data);
void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
int ssl2_part_read(SSL *s, unsigned long f, int i);
int ssl2_do_write(SSL *s);
int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data);
void ssl2_return_error(SSL *s,int reason);
void ssl2_write_error(SSL *s);
int ssl2_num_ciphers(void);
const SSL_CIPHER *ssl2_get_cipher(unsigned int u);
int	ssl2_new(SSL *s);
void	ssl2_free(SSL *s);
int	ssl2_accept(SSL *s);
int	ssl2_connect(SSL *s);
int	ssl2_read(SSL *s, void *buf, int len);
int	ssl2_peek(SSL *s, void *buf, int len);
int	ssl2_write(SSL *s, const void *buf, int len);
int	ssl2_shutdown(SSL *s);
void	ssl2_clear(SSL *s);
long	ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
long	ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
long	ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
long	ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
int	ssl2_pending(const SSL *s);
long	ssl2_default_timeout(void );

const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
void ssl3_init_finished_mac(SSL *s);
int ssl3_send_server_certificate(SSL *s);
int ssl3_send_newsession_ticket(SSL *s);
int ssl3_send_cert_status(SSL *s);
int ssl3_get_finished(SSL *s,int state_a,int state_b);
int ssl3_setup_key_block(SSL *s);
int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
int ssl3_change_cipher_state(SSL *s,int which);
void ssl3_cleanup_key_block(SSL *s);
int ssl3_do_write(SSL *s,int type);
int ssl3_send_alert(SSL *s,int level, int desc);
int ssl3_generate_master_secret(SSL *s, unsigned char *out,
	unsigned char *p, int len);
int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
int ssl3_num_ciphers(void);
const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
int ssl3_renegotiate(SSL *ssl); 
int ssl3_renegotiate_check(SSL *ssl); 
int ssl3_dispatch_alert(SSL *s);
int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p);
int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
int ssl3_enc(SSL *s, int send_data);
int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
void ssl3_free_digest_list(SSL *s);
unsigned long ssl3_output_cert_chain(SSL *s, X509 *x);
SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
			       STACK_OF(SSL_CIPHER) *srvr);
int	ssl3_setup_buffers(SSL *s);
int	ssl3_setup_read_buffer(SSL *s);
int	ssl3_setup_write_buffer(SSL *s);
int	ssl3_release_read_buffer(SSL *s);
int	ssl3_release_write_buffer(SSL *s);
int	ssl3_digest_cached_records(SSL *s);
int	ssl3_new(SSL *s);
void	ssl3_free(SSL *s);
int	ssl3_accept(SSL *s);
int	ssl3_connect(SSL *s);
int	ssl3_read(SSL *s, void *buf, int len);
int	ssl3_peek(SSL *s, void *buf, int len);
int	ssl3_write(SSL *s, const void *buf, int len);
int	ssl3_shutdown(SSL *s);
void	ssl3_clear(SSL *s);
long	ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
long	ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
long	ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
long	ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
int	ssl3_pending(const SSL *s);

void ssl3_record_sequence_update(unsigned char *seq);
int ssl3_do_change_cipher_spec(SSL *ssl);
long ssl3_default_timeout(void );

int ssl23_num_ciphers(void );
const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
int ssl23_read(SSL *s, void *buf, int len);
int ssl23_peek(SSL *s, void *buf, int len);
int ssl23_write(SSL *s, const void *buf, int len);
int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
long ssl23_default_timeout(void );

long tls1_default_timeout(void);
int dtls1_do_write(SSL *s,int type);
int ssl3_read_n(SSL *s, int n, int max, int extend);
int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
int ssl3_do_compress(SSL *ssl);
int ssl3_do_uncompress(SSL *ssl);
int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
	unsigned int len);
unsigned char *dtls1_set_message_header(SSL *s, 
	unsigned char *p, unsigned char mt,	unsigned long len, 
	unsigned long frag_off, unsigned long frag_len);

int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);

int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
unsigned long dtls1_output_cert_chain(SSL *s, X509 *x);
int dtls1_read_failed(SSL *s, int code);
int dtls1_buffer_message(SSL *s, int ccs);
int dtls1_retransmit_message(SSL *s, unsigned short seq, 
	unsigned long frag_off, int *found);
int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
int dtls1_retransmit_buffered_messages(SSL *s);
void dtls1_clear_record_buffer(SSL *s);
void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
void dtls1_reset_seq_numbers(SSL *s, int rw);
long dtls1_default_timeout(void);
struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft);
int dtls1_check_timeout_num(SSL *s);
int dtls1_handle_timeout(SSL *s);
const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
void dtls1_start_timer(SSL *s);
void dtls1_stop_timer(SSL *s);
int dtls1_is_timer_expired(SSL *s);
void dtls1_double_timeout(SSL *s);
int dtls1_send_newsession_ticket(SSL *s);
unsigned int dtls1_min_mtu(void);

/* some client-only functions */
int ssl3_client_hello(SSL *s);
int ssl3_get_server_hello(SSL *s);
int ssl3_get_certificate_request(SSL *s);
int ssl3_get_new_session_ticket(SSL *s);
int ssl3_get_cert_status(SSL *s);
int ssl3_get_server_done(SSL *s);
int ssl3_send_client_verify(SSL *s);
int ssl3_send_client_certificate(SSL *s);
int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
int ssl3_send_client_key_exchange(SSL *s);
int ssl3_get_key_exchange(SSL *s);
int ssl3_get_server_certificate(SSL *s);
int ssl3_check_cert_and_algorithm(SSL *s);
#ifndef OPENSSL_NO_TLSEXT
int ssl3_check_finished(SSL *s);
# ifndef OPENSSL_NO_NEXTPROTONEG
int ssl3_send_next_proto(SSL *s);
int ssl3_send_channel_id(SSL *s);
# endif
#endif

int dtls1_client_hello(SSL *s);
int dtls1_send_client_certificate(SSL *s);
int dtls1_send_client_key_exchange(SSL *s);
int dtls1_send_client_verify(SSL *s);

/* some server-only functions */
int ssl3_get_client_hello(SSL *s);
int ssl3_send_server_hello(SSL *s);
int ssl3_send_hello_request(SSL *s);
int ssl3_send_server_key_exchange(SSL *s);
int ssl3_send_certificate_request(SSL *s);
int ssl3_send_server_done(SSL *s);
int ssl3_check_client_hello(SSL *s);
int ssl3_get_client_certificate(SSL *s);
int ssl3_get_client_key_exchange(SSL *s);
int ssl3_get_cert_verify(SSL *s);
#ifndef OPENSSL_NO_NEXTPROTONEG
int ssl3_get_next_proto(SSL *s);
#endif
int ssl3_get_channel_id(SSL *s);

int dtls1_send_hello_request(SSL *s);
int dtls1_send_server_hello(SSL *s);
int dtls1_send_server_certificate(SSL *s);
int dtls1_send_server_key_exchange(SSL *s);
int dtls1_send_certificate_request(SSL *s);
int dtls1_send_server_done(SSL *s);



int ssl23_accept(SSL *s);
int ssl23_connect(SSL *s);
int ssl23_read_bytes(SSL *s, int n);
int ssl23_write_bytes(SSL *s);

int tls1_new(SSL *s);
void tls1_free(SSL *s);
void tls1_clear(SSL *s);
long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void));

int dtls1_new(SSL *s);
int	dtls1_accept(SSL *s);
int	dtls1_connect(SSL *s);
void dtls1_free(SSL *s);
void dtls1_clear(SSL *s);
long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg);
int dtls1_shutdown(SSL *s);

long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
int dtls1_get_record(SSL *s);
int dtls1_dispatch_alert(SSL *s);
int dtls1_enc(SSL *s, int snd);

int ssl_init_wbio_buffer(SSL *s, int push);
void ssl_free_wbio_buffer(SSL *s);

int tls1_change_cipher_state(SSL *s, int which);
int tls1_setup_key_block(SSL *s);
int tls1_enc(SSL *s, int snd);
int tls1_handshake_digest(SSL *s, unsigned char *out, size_t out_len);
int tls1_final_finish_mac(SSL *s,
	const char *str, int slen, unsigned char *p);
int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
int tls1_mac(SSL *ssl, unsigned char *md, int snd);
int tls1_generate_master_secret(SSL *s, unsigned char *out,
	unsigned char *p, int len);
int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
	const char *label, size_t llen,
	const unsigned char *p, size_t plen, int use_context);
int tls1_alert_code(int code);
int ssl3_alert_code(int code);
int ssl_ok(SSL *s);

#ifndef OPENSSL_NO_ECDH
int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
#endif

SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);

#ifndef OPENSSL_NO_EC
int tls1_ec_curve_id2nid(int curve_id);
int tls1_ec_nid2curve_id(int nid);
#endif /* OPENSSL_NO_EC */

#ifndef OPENSSL_NO_TLSEXT
unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, unsigned char *limit); 
unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, unsigned char *limit); 
int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
int ssl_prepare_clienthello_tlsext(SSL *s);
int ssl_prepare_serverhello_tlsext(SSL *s);
int ssl_check_clienthello_tlsext_early(SSL *s);
int ssl_check_clienthello_tlsext_late(SSL *s);
int ssl_check_serverhello_tlsext(SSL *s);

#ifndef OPENSSL_NO_HEARTBEATS
int tls1_heartbeat(SSL *s);
int dtls1_heartbeat(SSL *s);
int tls1_process_heartbeat(SSL *s);
int dtls1_process_heartbeat(SSL *s);
#endif

#ifdef OPENSSL_NO_SHA256
#define tlsext_tick_md	EVP_sha1
#else
#define tlsext_tick_md	EVP_sha256
#endif
int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
				const unsigned char *limit, SSL_SESSION **ret);

int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
				const EVP_MD *md);
int tls12_get_sigid(const EVP_PKEY *pk);
const EVP_MD *tls12_get_hash(unsigned char hash_alg);

int tls1_channel_id_hash(EVP_MD_CTX *ctx, SSL *s);
int tls1_record_handshake_hashes_for_channel_id(SSL *s);
#endif

int ssl3_can_cutthrough(const SSL *s);
EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ;
void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
					int maxlen);
int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
					  int *al);
int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
					int maxlen);
int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
					  int *al);
long ssl_get_algorithm2(SSL *s);
void tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize);
int tls12_get_req_sig_algs(SSL *s, unsigned char *p);

int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);

/* s3_cbc.c */
void ssl3_cbc_copy_mac(unsigned char* out,
		       const SSL3_RECORD *rec,
		       unsigned md_size,unsigned orig_len);
int ssl3_cbc_remove_padding(const SSL* s,
			    SSL3_RECORD *rec,
			    unsigned block_size,
			    unsigned mac_size);
int tls1_cbc_remove_padding(const SSL* s,
			    SSL3_RECORD *rec,
			    unsigned block_size,
			    unsigned mac_size);
char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
void ssl3_cbc_digest_record(
	const EVP_MD_CTX *ctx,
	unsigned char* md_out,
	size_t* md_out_size,
	const unsigned char header[13],
	const unsigned char *data,
	size_t data_plus_mac_size,
	size_t data_plus_mac_plus_padding_size,
	const unsigned char *mac_secret,
	unsigned mac_secret_length,
	char is_sslv3);

void tls_fips_digest_extra(
	const EVP_CIPHER_CTX *cipher_ctx, EVP_MD_CTX *mac_ctx,
	const unsigned char *data, size_t data_len, size_t orig_len);

int srp_verify_server_param(SSL *s, int *al);

#else

#define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
#define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
#define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat
#define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat

#endif
#endif