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d02b48c6 1/* ssl/ssl_locl.h */
58964a49 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
5a4fbc69 58/* ====================================================================
a661b653 59 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
5a4fbc69
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60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 * acknowledgment:
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
ea262260
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111/* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
d02b48c6
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116
117#ifndef HEADER_SSL_LOCL_H
118#define HEADER_SSL_LOCL_H
119#include <stdlib.h>
120#include <time.h>
121#include <string.h>
122#include <errno.h>
123
41d2a336 124#include "e_os.h"
d02b48c6 125
ec577822
BM
126#include <openssl/buffer.h>
127#include <openssl/comp.h>
128#include <openssl/bio.h>
ec577822 129#include <openssl/stack.h>
3eeaab4b 130#ifndef OPENSSL_NO_RSA
60a938c6 131#include <openssl/rsa.h>
3eeaab4b
NL
132#endif
133#ifndef OPENSSL_NO_DSA
60a938c6 134#include <openssl/dsa.h>
3eeaab4b 135#endif
ec577822
BM
136#include <openssl/err.h>
137#include <openssl/ssl.h>
bc36ee62 138#include <openssl/symhacks.h>
d02b48c6 139
26da3e65
RL
140#ifdef OPENSSL_BUILD_SHLIBSSL
141# undef OPENSSL_EXTERN
142# define OPENSSL_EXTERN OPENSSL_EXPORT
143#endif
144
dfeab068 145#define PKCS1_CHECK
d02b48c6
RE
146
147#define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
148 l|=(((unsigned long)(*((c)++)))<< 8), \
149 l|=(((unsigned long)(*((c)++)))<<16), \
150 l|=(((unsigned long)(*((c)++)))<<24))
151
152/* NOTE - c is not incremented as per c2l */
153#define c2ln(c,l1,l2,n) { \
154 c+=n; \
155 l1=l2=0; \
156 switch (n) { \
157 case 8: l2 =((unsigned long)(*(--(c))))<<24; \
158 case 7: l2|=((unsigned long)(*(--(c))))<<16; \
159 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
160 case 5: l2|=((unsigned long)(*(--(c)))); \
161 case 4: l1 =((unsigned long)(*(--(c))))<<24; \
162 case 3: l1|=((unsigned long)(*(--(c))))<<16; \
163 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
164 case 1: l1|=((unsigned long)(*(--(c)))); \
165 } \
166 }
167
168#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
169 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
170 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
171 *((c)++)=(unsigned char)(((l)>>24)&0xff))
172
173#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
174 l|=((unsigned long)(*((c)++)))<<16, \
175 l|=((unsigned long)(*((c)++)))<< 8, \
176 l|=((unsigned long)(*((c)++))))
177
178#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
179 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
180 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
181 *((c)++)=(unsigned char)(((l) )&0xff))
182
36d16f8e
BL
183#define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
184 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
185 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
186 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
187 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
188 *((c)++)=(unsigned char)(((l) )&0xff))
189
6c61726b
DSH
190#define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \
191 l|=((BN_ULLONG)(*((c)++)))<<32, \
192 l|=((BN_ULLONG)(*((c)++)))<<24, \
193 l|=((BN_ULLONG)(*((c)++)))<<16, \
194 l|=((BN_ULLONG)(*((c)++)))<< 8, \
195 l|=((BN_ULLONG)(*((c)++))))
36d16f8e 196
d02b48c6
RE
197/* NOTE - c is not incremented as per l2c */
198#define l2cn(l1,l2,c,n) { \
199 c+=n; \
200 switch (n) { \
201 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
202 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
203 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
204 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
205 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
206 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
207 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
208 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
209 } \
210 }
211
dfeab068
RE
212#define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \
213 (((unsigned int)(c[1])) )),c+=2)
214#define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
215 c[1]=(unsigned char)(((s) )&0xff)),c+=2)
d02b48c6 216
dfeab068
RE
217#define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \
218 (((unsigned long)(c[1]))<< 8)| \
219 (((unsigned long)(c[2])) )),c+=3)
d02b48c6 220
dfeab068
RE
221#define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
222 c[1]=(unsigned char)(((l)>> 8)&0xff), \
223 c[2]=(unsigned char)(((l) )&0xff)),c+=3)
d02b48c6
RE
224
225/* LOCAL STUFF */
226
227#define SSL_DECRYPT 0
228#define SSL_ENCRYPT 1
229
230#define TWO_BYTE_BIT 0x80
231#define SEC_ESC_BIT 0x40
232#define TWO_BYTE_MASK 0x7fff
233#define THREE_BYTE_MASK 0x3fff
234
235#define INC32(a) ((a)=((a)+1)&0xffffffffL)
236#define DEC32(a) ((a)=((a)-1)&0xffffffffL)
237#define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
238
018e57c7
DSH
239/*
240 * Define the Bitmasks for SSL_CIPHER.algorithms.
241 * This bits are used packed as dense as possible. If new methods/ciphers
242 * etc will be added, the bits a likely to change, so this information
243 * is for internal library use only, even though SSL_CIPHER.algorithms
244 * can be publicly accessed.
245 * Use the according functions for cipher management instead.
246 *
657e60fa 247 * The bit mask handling in the selection and sorting scheme in
018e57c7 248 * ssl_create_cipher_list() has only limited capabilities, reflecting
657e60fa 249 * that the different entities within are mutually exclusive:
018e57c7
DSH
250 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
251 */
ea262260 252#define SSL_MKEY_MASK 0x000000FFL
d02b48c6
RE
253#define SSL_kRSA 0x00000001L /* RSA key exchange */
254#define SSL_kDHr 0x00000002L /* DH cert RSA CA cert */
255#define SSL_kDHd 0x00000004L /* DH cert DSA CA cert */
256#define SSL_kFZA 0x00000008L
257#define SSL_kEDH 0x00000010L /* tmp DH key no DH cert */
f9b3bff6 258#define SSL_kKRB5 0x00000020L /* Kerberos5 key exchange */
ea262260
BM
259#define SSL_kECDH 0x00000040L /* ECDH w/ long-term keys */
260#define SSL_kECDHE 0x00000080L /* ephemeral ECDH */
d02b48c6
RE
261#define SSL_EDH (SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL))
262
ea262260
BM
263#define SSL_AUTH_MASK 0x00007F00L
264#define SSL_aRSA 0x00000100L /* Authenticate with RSA */
265#define SSL_aDSS 0x00000200L /* Authenticate with DSS */
d02b48c6 266#define SSL_DSS SSL_aDSS
ea262260
BM
267#define SSL_aFZA 0x00000400L
268#define SSL_aNULL 0x00000800L /* no Authenticate, ADH */
269#define SSL_aDH 0x00001000L /* no Authenticate, ADH */
270#define SSL_aKRB5 0x00002000L /* Authenticate with KRB5 */
271#define SSL_aECDSA 0x00004000L /* Authenticate with ECDSA */
d02b48c6
RE
272
273#define SSL_NULL (SSL_eNULL)
274#define SSL_ADH (SSL_kEDH|SSL_aNULL)
275#define SSL_RSA (SSL_kRSA|SSL_aRSA)
276#define SSL_DH (SSL_kDHr|SSL_kDHd|SSL_kEDH)
ea262260 277#define SSL_ECDH (SSL_kECDH|SSL_kECDHE)
d02b48c6 278#define SSL_FZA (SSL_aFZA|SSL_kFZA|SSL_eFZA)
f9b3bff6
RL
279#define SSL_KRB5 (SSL_kKRB5|SSL_aKRB5)
280
ea262260
BM
281#define SSL_ENC_MASK 0x043F8000L
282#define SSL_DES 0x00008000L
283#define SSL_3DES 0x00010000L
284#define SSL_RC4 0x00020000L
285#define SSL_RC2 0x00040000L
286#define SSL_IDEA 0x00080000L
287#define SSL_eFZA 0x00100000L
288#define SSL_eNULL 0x00200000L
289#define SSL_AES 0x04000000L
290
291#define SSL_MAC_MASK 0x00c00000L
292#define SSL_MD5 0x00400000L
293#define SSL_SHA1 0x00800000L
58964a49 294#define SSL_SHA (SSL_SHA1)
d02b48c6 295
ea262260
BM
296#define SSL_SSL_MASK 0x03000000L
297#define SSL_SSLV2 0x01000000L
298#define SSL_SSLV3 0x02000000L
018e57c7
DSH
299#define SSL_TLSV1 SSL_SSLV3 /* for now */
300
ea262260 301/* we have used 07ffffff - 5 bits left to go. */
018e57c7
DSH
302
303/*
657e60fa 304 * Export and cipher strength information. For each cipher we have to decide
018e57c7
DSH
305 * whether it is exportable or not. This information is likely to change
306 * over time, since the export control rules are no static technical issue.
307 *
308 * Independent of the export flag the cipher strength is sorted into classes.
309 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
310 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
657e60fa 311 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
018e57c7
DSH
312 * since SSL_EXP64 could be similar to SSL_LOW.
313 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
314 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
315 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
316 * be possible.
317 */
318#define SSL_EXP_MASK 0x00000003L
319#define SSL_NOT_EXP 0x00000001L
320#define SSL_EXPORT 0x00000002L
321
063a8905
LJ
322#define SSL_STRONG_MASK 0x000000fcL
323#define SSL_STRONG_NONE 0x00000004L
324#define SSL_EXP40 0x00000008L
018e57c7 325#define SSL_MICRO (SSL_EXP40)
063a8905 326#define SSL_EXP56 0x00000010L
018e57c7 327#define SSL_MINI (SSL_EXP56)
063a8905
LJ
328#define SSL_LOW 0x00000020L
329#define SSL_MEDIUM 0x00000040L
330#define SSL_HIGH 0x00000080L
018e57c7 331
063a8905 332/* we have used 000000ff - 24 bits left to go */
018e57c7
DSH
333
334/*
335 * Macros to check the export status and cipher strength for export ciphers.
336 * Even though the macros for EXPORT and EXPORT40/56 have similar names,
337 * their meaning is different:
338 * *_EXPORT macros check the 'exportable' status.
339 * *_EXPORT40/56 macros are used to check whether a certain cipher strength
340 * is given.
341 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
342 * algorithm structure element to be passed (algorithms, algo_strength) and no
343 * typechecking can be done as they are all of type unsigned long, their
344 * direct usage is discouraged.
345 * Use the SSL_C_* macros instead.
346 */
347#define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
348#define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
349#define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
350#define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
351#define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
352#define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
353
354#define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
4997138a 355 ((a)&SSL_ENC_MASK) == SSL_DES ? 8 : 7)
06ab81f9 356#define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
018e57c7
DSH
357#define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithms, \
358 (c)->algo_strength)
359#define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
d02b48c6 360
d02b48c6 361
d02b48c6
RE
362#define SSL_ALL 0xffffffffL
363#define SSL_ALL_CIPHERS (SSL_MKEY_MASK|SSL_AUTH_MASK|SSL_ENC_MASK|\
018e57c7
DSH
364 SSL_MAC_MASK)
365#define SSL_ALL_STRENGTHS (SSL_EXP_MASK|SSL_STRONG_MASK)
d02b48c6
RE
366
367/* Mostly for SSLv3 */
368#define SSL_PKEY_RSA_ENC 0
369#define SSL_PKEY_RSA_SIGN 1
370#define SSL_PKEY_DSA_SIGN 2
371#define SSL_PKEY_DH_RSA 3
372#define SSL_PKEY_DH_DSA 4
ea262260
BM
373#define SSL_PKEY_ECC 5
374#define SSL_PKEY_NUM 6
d02b48c6
RE
375
376/* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
377 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
378 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
379 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
380 * SSL_aRSA <- RSA_ENC | RSA_SIGN
381 * SSL_aDSS <- DSA_SIGN
382 */
383
384/*
385#define CERT_INVALID 0
386#define CERT_PUBLIC_KEY 1
387#define CERT_PRIVATE_KEY 2
388*/
389
ea262260
BM
390#ifndef OPENSSL_NO_EC
391/* From ECC-TLS draft, used in encoding the curve type in
392 * ECParameters
393 */
394#define EXPLICIT_PRIME_CURVE_TYPE 1
395#define EXPLICIT_CHAR2_CURVE_TYPE 2
396#define NAMED_CURVE_TYPE 3
397#endif /* OPENSSL_NO_EC */
398
d02b48c6
RE
399typedef struct cert_pkey_st
400 {
401 X509 *x509;
d02b48c6
RE
402 EVP_PKEY *privatekey;
403 } CERT_PKEY;
404
405typedef struct cert_st
406 {
d02b48c6 407 /* Current active set */
ca8e5b9b 408 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
a2a01589
BM
409 * Probably it would make more sense to store
410 * an index, not a pointer. */
018e57c7 411
d02b48c6
RE
412 /* The following masks are for the key and auth
413 * algorithms that are supported by the certs below */
414 int valid;
415 unsigned long mask;
416 unsigned long export_mask;
bc36ee62 417#ifndef OPENSSL_NO_RSA
d02b48c6 418 RSA *rsa_tmp;
df63a389 419 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
79df9d62 420#endif
bc36ee62 421#ifndef OPENSSL_NO_DH
d02b48c6 422 DH *dh_tmp;
df63a389 423 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
79df9d62 424#endif
ea262260
BM
425#ifndef OPENSSL_NO_ECDH
426 EC_KEY *ecdh_tmp;
427 /* Callback for generating ephemeral ECDH keys */
428 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
429#endif
8450bddf 430
d02b48c6
RE
431 CERT_PKEY pkeys[SSL_PKEY_NUM];
432
8d111f4a 433 int references; /* >1 only if SSL_copy_session_id is used */
d02b48c6
RE
434 } CERT;
435
8450bddf 436
8450bddf 437typedef struct sess_cert_st
b56bce4f
BM
438 {
439 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
440
441 /* The 'peer_...' members are used only by clients. */
442 int peer_cert_type;
443
444 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
445 CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
446 /* Obviously we don't have the private keys of these,
447 * so maybe we shouldn't even use the CERT_PKEY type here. */
448
bc36ee62 449#ifndef OPENSSL_NO_RSA
b56bce4f
BM
450 RSA *peer_rsa_tmp; /* not used for SSL 2 */
451#endif
bc36ee62 452#ifndef OPENSSL_NO_DH
b56bce4f 453 DH *peer_dh_tmp; /* not used for SSL 2 */
8450bddf 454#endif
ea262260
BM
455#ifndef OPENSSL_NO_ECDH
456 EC_KEY *peer_ecdh_tmp;
457#endif
8450bddf 458
b56bce4f
BM
459 int references; /* actually always 1 at the moment */
460 } SESS_CERT;
461
8450bddf 462
d02b48c6
RE
463/*#define MAC_DEBUG */
464
465/*#define ERR_DEBUG */
466/*#define ABORT_DEBUG */
467/*#define PKT_DEBUG 1 */
468/*#define DES_DEBUG */
469/*#define DES_OFB_DEBUG */
470/*#define SSL_DEBUG */
471/*#define RSA_DEBUG */
472/*#define IDEA_DEBUG */
473
d02b48c6 474#define FP_ICC (int (*)(const void *,const void *))
d02b48c6
RE
475#define ssl_put_cipher_by_char(ssl,ciph,ptr) \
476 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
477#define ssl_get_cipher_by_char(ssl,ptr) \
478 ((ssl)->method->get_cipher_by_char(ptr))
479
58964a49
RE
480/* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
481 * It is a bit of a mess of functions, but hell, think of it as
657e60fa 482 * an opaque structure :-) */
58964a49
RE
483typedef struct ssl3_enc_method
484 {
245206ea
BM
485 int (*enc)(SSL *, int);
486 int (*mac)(SSL *, unsigned char *, int);
487 int (*setup_key_block)(SSL *);
488 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
489 int (*change_cipher_state)(SSL *, int);
490 int (*final_finish_mac)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char *, int, unsigned char *);
58964a49 491 int finish_mac_length;
245206ea 492 int (*cert_verify_mac)(SSL *, EVP_MD_CTX *, unsigned char *);
c44f7540
BM
493 const char *client_finished_label;
494 int client_finished_label_len;
495 const char *server_finished_label;
496 int server_finished_label_len;
245206ea 497 int (*alert_value)(int);
58964a49
RE
498 } SSL3_ENC_METHOD;
499
651d0aff 500/* Used for holding the relevant compression methods loaded into SSL_CTX */
dfeab068
RE
501typedef struct ssl3_comp_st
502 {
657e60fa 503 int comp_id; /* The identifier byte for this compression type */
dfeab068
RE
504 char *name; /* Text name used for the compression type */
505 COMP_METHOD *method; /* The method :-) */
506 } SSL3_COMP;
507
3ed449e9 508extern SSL3_ENC_METHOD ssl3_undef_enc_method;
3398f6cc
BM
509OPENSSL_EXTERN SSL_CIPHER ssl2_ciphers[];
510OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
7d7d2cbc 511
d02b48c6
RE
512
513SSL_METHOD *ssl_bad_method(int ver);
d02b48c6 514
f3b656b2
DSH
515extern SSL3_ENC_METHOD TLSv1_enc_data;
516extern SSL3_ENC_METHOD SSLv3_enc_data;
517extern SSL3_ENC_METHOD DTLSv1_enc_data;
518
519#define IMPLEMENT_tls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
520SSL_METHOD *func_name(void) \
521 { \
522 static SSL_METHOD func_name##_data= { \
523 TLS1_VERSION, \
524 tls1_new, \
525 tls1_clear, \
526 tls1_free, \
527 s_accept, \
528 s_connect, \
529 ssl3_read, \
530 ssl3_peek, \
531 ssl3_write, \
532 ssl3_shutdown, \
533 ssl3_renegotiate, \
534 ssl3_renegotiate_check, \
535 ssl3_get_message, \
536 ssl3_read_bytes, \
537 ssl3_write_bytes, \
538 ssl3_dispatch_alert, \
539 ssl3_ctrl, \
540 ssl3_ctx_ctrl, \
541 ssl3_get_cipher_by_char, \
542 ssl3_put_cipher_by_char, \
543 ssl3_pending, \
544 ssl3_num_ciphers, \
545 ssl3_get_cipher, \
546 s_get_meth, \
547 tls1_default_timeout, \
548 &TLSv1_enc_data, \
549 ssl_undefined_void_function, \
550 ssl3_callback_ctrl, \
551 ssl3_ctx_callback_ctrl, \
552 }; \
553 return &func_name##_data; \
554 }
555
556#define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
557SSL_METHOD *func_name(void) \
558 { \
559 static SSL_METHOD func_name##_data= { \
560 SSL3_VERSION, \
561 ssl3_new, \
562 ssl3_clear, \
563 ssl3_free, \
564 s_accept, \
565 s_connect, \
566 ssl3_read, \
567 ssl3_peek, \
568 ssl3_write, \
569 ssl3_shutdown, \
570 ssl3_renegotiate, \
571 ssl3_renegotiate_check, \
572 ssl3_get_message, \
573 ssl3_read_bytes, \
574 ssl3_write_bytes, \
575 ssl3_dispatch_alert, \
576 ssl3_ctrl, \
577 ssl3_ctx_ctrl, \
578 ssl3_get_cipher_by_char, \
579 ssl3_put_cipher_by_char, \
580 ssl3_pending, \
581 ssl3_num_ciphers, \
582 ssl3_get_cipher, \
583 s_get_meth, \
584 ssl3_default_timeout, \
585 &SSLv3_enc_data, \
586 ssl_undefined_void_function, \
587 ssl3_callback_ctrl, \
588 ssl3_ctx_callback_ctrl, \
589 }; \
590 return &func_name##_data; \
591 }
592
593#define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
594SSL_METHOD *func_name(void) \
595 { \
596 static SSL_METHOD func_name##_data= { \
597 TLS1_VERSION, \
598 tls1_new, \
599 tls1_clear, \
600 tls1_free, \
601 s_accept, \
602 s_connect, \
603 ssl23_read, \
604 ssl23_peek, \
605 ssl23_write, \
606 ssl_undefined_function, \
607 ssl_undefined_function, \
608 ssl_ok, \
609 ssl3_get_message, \
610 ssl3_read_bytes, \
611 ssl3_write_bytes, \
612 ssl3_dispatch_alert, \
613 ssl3_ctrl, \
614 ssl3_ctx_ctrl, \
615 ssl23_get_cipher_by_char, \
616 ssl23_put_cipher_by_char, \
617 ssl_undefined_const_function, \
618 ssl23_num_ciphers, \
619 ssl23_get_cipher, \
620 s_get_meth, \
621 ssl23_default_timeout, \
622 &ssl3_undef_enc_method, \
623 ssl_undefined_void_function, \
624 ssl3_callback_ctrl, \
625 ssl3_ctx_callback_ctrl, \
626 }; \
627 return &func_name##_data; \
628 }
629
630#define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
631SSL_METHOD *func_name(void) \
632 { \
633 static SSL_METHOD func_name##_data= { \
634 SSL2_VERSION, \
635 ssl2_new, /* local */ \
636 ssl2_clear, /* local */ \
637 ssl2_free, /* local */ \
638 s_accept, \
639 s_connect, \
640 ssl2_read, \
641 ssl2_peek, \
642 ssl2_write, \
643 ssl2_shutdown, \
644 ssl_ok, /* NULL - renegotiate */ \
645 ssl_ok, /* NULL - check renegotiate */ \
646 NULL, /* NULL - ssl_get_message */ \
647 NULL, /* NULL - ssl_get_record */ \
648 NULL, /* NULL - ssl_write_bytes */ \
649 NULL, /* NULL - dispatch_alert */ \
650 ssl2_ctrl, /* local */ \
651 ssl2_ctx_ctrl, /* local */ \
652 ssl2_get_cipher_by_char, \
653 ssl2_put_cipher_by_char, \
654 ssl2_pending, \
655 ssl2_num_ciphers, \
656 ssl2_get_cipher, \
657 s_get_meth, \
658 ssl2_default_timeout, \
659 &ssl3_undef_enc_method, \
660 ssl_undefined_void_function, \
661 ssl2_callback_ctrl, /* local */ \
662 ssl2_ctx_callback_ctrl, /* local */ \
663 }; \
664 return &func_name##_data; \
665 }
666
667#define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
668SSL_METHOD *func_name(void) \
669 { \
670 static SSL_METHOD func_name##_data= { \
671 DTLS1_VERSION, \
672 dtls1_new, \
673 dtls1_clear, \
674 dtls1_free, \
675 s_accept, \
676 s_connect, \
677 ssl3_read, \
678 ssl3_peek, \
679 ssl3_write, \
680 ssl3_shutdown, \
681 ssl3_renegotiate, \
682 ssl3_renegotiate_check, \
683 dtls1_get_message, \
684 dtls1_read_bytes, \
685 dtls1_write_app_data_bytes, \
686 dtls1_dispatch_alert, \
687 ssl3_ctrl, \
688 ssl3_ctx_ctrl, \
689 ssl3_get_cipher_by_char, \
690 ssl3_put_cipher_by_char, \
691 ssl3_pending, \
692 ssl3_num_ciphers, \
693 ssl3_get_cipher, \
694 s_get_meth, \
695 dtls1_default_timeout, \
696 &DTLSv1_enc_data, \
697 ssl_undefined_void_function, \
698 ssl3_callback_ctrl, \
699 ssl3_ctx_callback_ctrl, \
700 }; \
701 return &func_name##_data; \
702 }
703
d02b48c6
RE
704void ssl_clear_cipher_ctx(SSL *s);
705int ssl_clear_bad_session(SSL *s);
706CERT *ssl_cert_new(void);
ca8e5b9b 707CERT *ssl_cert_dup(CERT *cert);
ca8e5b9b 708int ssl_cert_inst(CERT **o);
d02b48c6 709void ssl_cert_free(CERT *c);
b56bce4f
BM
710SESS_CERT *ssl_sess_cert_new(void);
711void ssl_sess_cert_free(SESS_CERT *sc);
712int ssl_set_peer_cert_type(SESS_CERT *c, int type);
d02b48c6 713int ssl_get_new_session(SSL *s, int session);
58964a49 714int ssl_get_prev_session(SSL *s, unsigned char *session,int len);
ccd86b68
GT
715int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
716int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
717 const SSL_CIPHER * const *bp);
f73e07cf
BL
718STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
719 STACK_OF(SSL_CIPHER) **skp);
c6c2e313
BM
720int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
721 int (*put_cb)(const SSL_CIPHER *, unsigned char *));
018e57c7 722STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
f73e07cf
BL
723 STACK_OF(SSL_CIPHER) **pref,
724 STACK_OF(SSL_CIPHER) **sorted,
018e57c7 725 const char *rule_str);
d02b48c6 726void ssl_update_cache(SSL *s, int mode);
0821bcd4
BL
727int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
728 const EVP_MD **md,SSL_COMP **comp);
f73e07cf 729int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
d02b48c6 730int ssl_undefined_function(SSL *s);
41a15c4f 731int ssl_undefined_void_function(void);
0821bcd4 732int ssl_undefined_const_function(const SSL *s);
d02b48c6
RE
733X509 *ssl_get_server_send_cert(SSL *);
734EVP_PKEY *ssl_get_sign_pkey(SSL *,SSL_CIPHER *);
735int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
ca8e5b9b 736void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher);
f73e07cf 737STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
58964a49 738int ssl_verify_alarm_type(long type);
d02b48c6
RE
739
740int ssl2_enc_init(SSL *s, int client);
5574e0ed 741int ssl2_generate_key_material(SSL *s);
d02b48c6
RE
742void ssl2_enc(SSL *s,int send_data);
743void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
f06b01eb
BL
744SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
745int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
d02b48c6
RE
746int ssl2_part_read(SSL *s, unsigned long f, int i);
747int ssl2_do_write(SSL *s);
875a644a 748int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data);
d02b48c6
RE
749void ssl2_return_error(SSL *s,int reason);
750void ssl2_write_error(SSL *s);
751int ssl2_num_ciphers(void);
752SSL_CIPHER *ssl2_get_cipher(unsigned int u);
753int ssl2_new(SSL *s);
754void ssl2_free(SSL *s);
755int ssl2_accept(SSL *s);
756int ssl2_connect(SSL *s);
61f5b6f3 757int ssl2_read(SSL *s, void *buf, int len);
e34cfcf7 758int ssl2_peek(SSL *s, void *buf, int len);
61f5b6f3 759int ssl2_write(SSL *s, const void *buf, int len);
d02b48c6
RE
760int ssl2_shutdown(SSL *s);
761void ssl2_clear(SSL *s);
a661b653
BM
762long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
763long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
41a15c4f
BL
764long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
765long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
0821bcd4 766int ssl2_pending(const SSL *s);
f3b656b2 767long ssl2_default_timeout(void );
d02b48c6 768
f06b01eb
BL
769SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
770int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
d02b48c6
RE
771void ssl3_init_finished_mac(SSL *s);
772int ssl3_send_server_certificate(SSL *s);
58964a49 773int ssl3_get_finished(SSL *s,int state_a,int state_b);
d02b48c6
RE
774int ssl3_setup_key_block(SSL *s);
775int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
776int ssl3_change_cipher_state(SSL *s,int which);
777void ssl3_cleanup_key_block(SSL *s);
778int ssl3_do_write(SSL *s,int type);
779void ssl3_send_alert(SSL *s,int level, int desc);
780int ssl3_generate_master_secret(SSL *s, unsigned char *out,
781 unsigned char *p, int len);
782int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
783long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
c44f7540 784int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
d02b48c6
RE
785int ssl3_num_ciphers(void);
786SSL_CIPHER *ssl3_get_cipher(unsigned int u);
787int ssl3_renegotiate(SSL *ssl);
58964a49 788int ssl3_renegotiate_check(SSL *ssl);
d02b48c6 789int ssl3_dispatch_alert(SSL *s);
5a4fbc69 790int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
61f5b6f3 791int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
f2d9a32c 792int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2,
245206ea 793 const char *sender, int slen,unsigned char *p);
58964a49 794int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
e778802f 795void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
d02b48c6
RE
796int ssl3_enc(SSL *s, int send_data);
797int ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
798unsigned long ssl3_output_cert_chain(SSL *s, X509 *x);
836f9960
LJ
799SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
800 STACK_OF(SSL_CIPHER) *srvr);
d02b48c6
RE
801int ssl3_setup_buffers(SSL *s);
802int ssl3_new(SSL *s);
803void ssl3_free(SSL *s);
804int ssl3_accept(SSL *s);
805int ssl3_connect(SSL *s);
61f5b6f3 806int ssl3_read(SSL *s, void *buf, int len);
e34cfcf7 807int ssl3_peek(SSL *s, void *buf, int len);
61f5b6f3 808int ssl3_write(SSL *s, const void *buf, int len);
d02b48c6
RE
809int ssl3_shutdown(SSL *s);
810void ssl3_clear(SSL *s);
a661b653
BM
811long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
812long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
41a15c4f
BL
813long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
814long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
0821bcd4 815int ssl3_pending(const SSL *s);
d02b48c6 816
beb056b3
BM
817void ssl3_record_sequence_update(unsigned char *seq);
818int ssl3_do_change_cipher_spec(SSL *ssl);
f3b656b2
DSH
819long ssl3_default_timeout(void );
820
821int ssl23_num_ciphers(void );
822SSL_CIPHER *ssl23_get_cipher(unsigned int u);
823int ssl23_read(SSL *s, void *buf, int len);
824int ssl23_peek(SSL *s, void *buf, int len);
825int ssl23_write(SSL *s, const void *buf, int len);
826int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
827SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
828long ssl23_default_timeout(void );
829
830long tls1_default_timeout(void);
36d16f8e
BL
831int dtls1_do_write(SSL *s,int type);
832int ssl3_read_n(SSL *s, int n, int max, int extend);
833int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
834int ssl3_do_compress(SSL *ssl);
835int ssl3_do_uncompress(SSL *ssl);
836int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
837 unsigned int len);
838unsigned char *dtls1_set_message_header(SSL *s,
839 unsigned char *p, unsigned char mt, unsigned long len,
840 unsigned long frag_off, unsigned long frag_len);
f3b656b2 841
36d16f8e
BL
842int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
843int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
beb056b3 844
480506bd
BM
845int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
846int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
847unsigned long dtls1_output_cert_chain(SSL *s, X509 *x);
848int dtls1_read_failed(SSL *s, int code);
849int dtls1_buffer_message(SSL *s, int ccs);
850int dtls1_retransmit_message(SSL *s, unsigned short seq,
851 unsigned long frag_off, int *found);
852void dtls1_clear_record_buffer(SSL *s);
853void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
854void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
855void dtls1_reset_seq_numbers(SSL *s, int rw);
f3b656b2 856long dtls1_default_timeout(void);
480506bd
BM
857
858
859/* some client-only functions */
beb056b3
BM
860int ssl3_client_hello(SSL *s);
861int ssl3_get_server_hello(SSL *s);
862int ssl3_get_certificate_request(SSL *s);
863int ssl3_get_server_done(SSL *s);
864int ssl3_send_client_verify(SSL *s);
865int ssl3_send_client_certificate(SSL *s);
866int ssl3_send_client_key_exchange(SSL *s);
867int ssl3_get_key_exchange(SSL *s);
868int ssl3_get_server_certificate(SSL *s);
869int ssl3_check_cert_and_algorithm(SSL *s);
870
480506bd
BM
871int dtls1_client_hello(SSL *s);
872int dtls1_send_client_certificate(SSL *s);
873int dtls1_send_client_key_exchange(SSL *s);
874int dtls1_send_client_verify(SSL *s);
875
876/* some server-only functions */
beb056b3
BM
877int ssl3_get_client_hello(SSL *s);
878int ssl3_send_server_hello(SSL *s);
879int ssl3_send_hello_request(SSL *s);
880int ssl3_send_server_key_exchange(SSL *s);
881int ssl3_send_certificate_request(SSL *s);
882int ssl3_send_server_done(SSL *s);
883int ssl3_check_client_hello(SSL *s);
884int ssl3_get_client_certificate(SSL *s);
885int ssl3_get_client_key_exchange(SSL *s);
886int ssl3_get_cert_verify(SSL *s);
887
480506bd
BM
888int dtls1_send_hello_request(SSL *s);
889int dtls1_send_server_hello(SSL *s);
890int dtls1_send_server_certificate(SSL *s);
891int dtls1_send_server_key_exchange(SSL *s);
892int dtls1_send_certificate_request(SSL *s);
893int dtls1_send_server_done(SSL *s);
894
beb056b3 895
36d16f8e 896
d02b48c6
RE
897int ssl23_accept(SSL *s);
898int ssl23_connect(SSL *s);
899int ssl23_read_bytes(SSL *s, int n);
900int ssl23_write_bytes(SSL *s);
901
58964a49
RE
902int tls1_new(SSL *s);
903void tls1_free(SSL *s);
904void tls1_clear(SSL *s);
a661b653 905long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
41a15c4f 906long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
58964a49 907
36d16f8e
BL
908int dtls1_new(SSL *s);
909int dtls1_accept(SSL *s);
910int dtls1_connect(SSL *s);
911void dtls1_free(SSL *s);
912void dtls1_clear(SSL *s);
913long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg);
36d16f8e
BL
914
915long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
916int dtls1_get_record(SSL *s);
917int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
918 unsigned int len, int create_empty_fragement);
919int dtls1_dispatch_alert(SSL *s);
920int dtls1_enc(SSL *s, int snd);
36d16f8e 921
58964a49 922int ssl_init_wbio_buffer(SSL *s, int push);
413c4f45 923void ssl_free_wbio_buffer(SSL *s);
58964a49
RE
924
925int tls1_change_cipher_state(SSL *s, int which);
926int tls1_setup_key_block(SSL *s);
927int tls1_enc(SSL *s, int snd);
928int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx,
245206ea 929 const char *str, int slen, unsigned char *p);
58964a49
RE
930int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
931int tls1_mac(SSL *ssl, unsigned char *md, int snd);
932int tls1_generate_master_secret(SSL *s, unsigned char *out,
933 unsigned char *p, int len);
934int tls1_alert_code(int code);
935int ssl3_alert_code(int code);
dfeab068 936int ssl_ok(SSL *s);
58964a49 937
41fdcfa7
BM
938int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs);
939
f73e07cf 940SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
413c4f45 941
58964a49 942
413c4f45 943#endif