2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
58 /* ====================================================================
59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
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.
116 /* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125 * support (see RFC 4279) to OpenSSL.
127 * No patent licenses or other rights except those expressly stated in
128 * the OpenSSL open source license shall be deemed granted or received
129 * expressly, by implication, estoppel, or otherwise.
131 * No assurances are provided by Nokia that the Contribution does not
132 * infringe the patent or other intellectual property rights of any third
133 * party or that the license provides you with all the necessary rights
134 * to make use of the Contribution.
136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
143 #ifndef HEADER_SSL_LOCL_H
144 #define HEADER_SSL_LOCL_H
152 #include <openssl/buffer.h>
153 #ifndef OPENSSL_NO_COMP
154 #include <openssl/comp.h>
156 #include <openssl/bio.h>
157 #include <openssl/stack.h>
158 #ifndef OPENSSL_NO_RSA
159 #include <openssl/rsa.h>
161 #ifndef OPENSSL_NO_DSA
162 #include <openssl/dsa.h>
164 #include <openssl/err.h>
165 #include <openssl/ssl.h>
166 #include <openssl/symhacks.h>
168 #ifdef OPENSSL_BUILD_SHLIBSSL
169 # undef OPENSSL_EXTERN
170 # define OPENSSL_EXTERN OPENSSL_EXPORT
175 #define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
176 l|=(((unsigned long)(*((c)++)))<< 8), \
177 l|=(((unsigned long)(*((c)++)))<<16), \
178 l|=(((unsigned long)(*((c)++)))<<24))
180 /* NOTE - c is not incremented as per c2l */
181 #define c2ln(c,l1,l2,n) { \
185 case 8: l2 =((unsigned long)(*(--(c))))<<24; \
186 case 7: l2|=((unsigned long)(*(--(c))))<<16; \
187 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
188 case 5: l2|=((unsigned long)(*(--(c)))); \
189 case 4: l1 =((unsigned long)(*(--(c))))<<24; \
190 case 3: l1|=((unsigned long)(*(--(c))))<<16; \
191 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
192 case 1: l1|=((unsigned long)(*(--(c)))); \
196 #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
197 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
198 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
199 *((c)++)=(unsigned char)(((l)>>24)&0xff))
201 #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
202 l|=((unsigned long)(*((c)++)))<<16, \
203 l|=((unsigned long)(*((c)++)))<< 8, \
204 l|=((unsigned long)(*((c)++))))
206 #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
207 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
208 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
209 *((c)++)=(unsigned char)(((l) )&0xff))
211 #define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
212 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
213 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
214 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
215 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
216 *((c)++)=(unsigned char)(((l) )&0xff))
218 #define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \
219 l|=((BN_ULLONG)(*((c)++)))<<32, \
220 l|=((BN_ULLONG)(*((c)++)))<<24, \
221 l|=((BN_ULLONG)(*((c)++)))<<16, \
222 l|=((BN_ULLONG)(*((c)++)))<< 8, \
223 l|=((BN_ULLONG)(*((c)++))))
225 /* NOTE - c is not incremented as per l2c */
226 #define l2cn(l1,l2,c,n) { \
229 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
230 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
231 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
232 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
233 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
234 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
235 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
236 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
240 #define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \
241 (((unsigned int)(c[1])) )),c+=2)
242 #define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
243 c[1]=(unsigned char)(((s) )&0xff)),c+=2)
245 #define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \
246 (((unsigned long)(c[1]))<< 8)| \
247 (((unsigned long)(c[2])) )),c+=3)
249 #define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
250 c[1]=(unsigned char)(((l)>> 8)&0xff), \
251 c[2]=(unsigned char)(((l) )&0xff)),c+=3)
255 #define SSL_DECRYPT 0
256 #define SSL_ENCRYPT 1
258 #define TWO_BYTE_BIT 0x80
259 #define SEC_ESC_BIT 0x40
260 #define TWO_BYTE_MASK 0x7fff
261 #define THREE_BYTE_MASK 0x3fff
263 #define INC32(a) ((a)=((a)+1)&0xffffffffL)
264 #define DEC32(a) ((a)=((a)-1)&0xffffffffL)
265 #define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
268 * Define the Bitmasks for SSL_CIPHER.algorithms.
269 * This bits are used packed as dense as possible. If new methods/ciphers
270 * etc will be added, the bits a likely to change, so this information
271 * is for internal library use only, even though SSL_CIPHER.algorithms
272 * can be publicly accessed.
273 * Use the according functions for cipher management instead.
275 * The bit mask handling in the selection and sorting scheme in
276 * ssl_create_cipher_list() has only limited capabilities, reflecting
277 * that the different entities within are mutually exclusive:
278 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
281 /* Bits for algorithm_mkey (key exchange algorithm) */
282 #define SSL_kRSA 0x00000001L /* RSA key exchange */
283 #define SSL_kDHr 0x00000002L /* DH cert, RSA CA cert */ /* no such ciphersuites supported! */
284 #define SSL_kDHd 0x00000004L /* DH cert, DSA CA cert */ /* no such ciphersuite supported! */
285 #define SSL_kEDH 0x00000008L /* tmp DH key no DH cert */
286 #define SSL_kKRB5 0x00000010L /* Kerberos5 key exchange */
287 #define SSL_kECDHr 0x00000020L /* ECDH cert, RSA CA cert */
288 #define SSL_kECDHe 0x00000040L /* ECDH cert, ECDSA CA cert */
289 #define SSL_kEECDH 0x00000080L /* ephemeral ECDH */
290 #define SSL_kPSK 0x00000100L /* PSK */
291 #define SSL_kGOST 0x00000200L /* GOST key exchange */
292 #define SSL_kSRP 0x00000400L /* SRP */
294 /* Bits for algorithm_auth (server authentication) */
295 #define SSL_aRSA 0x00000001L /* RSA auth */
296 #define SSL_aDSS 0x00000002L /* DSS auth */
297 #define SSL_aNULL 0x00000004L /* no auth (i.e. use ADH or AECDH) */
298 #define SSL_aDH 0x00000008L /* Fixed DH auth (kDHd or kDHr) */ /* no such ciphersuites supported! */
299 #define SSL_aECDH 0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */
300 #define SSL_aKRB5 0x00000020L /* KRB5 auth */
301 #define SSL_aECDSA 0x00000040L /* ECDSA auth*/
302 #define SSL_aPSK 0x00000080L /* PSK auth */
303 #define SSL_aGOST94 0x00000100L /* GOST R 34.10-94 signature auth */
304 #define SSL_aGOST01 0x00000200L /* GOST R 34.10-2001 signature auth */
307 /* Bits for algorithm_enc (symmetric encryption) */
308 #define SSL_DES 0x00000001L
309 #define SSL_3DES 0x00000002L
310 #define SSL_RC4 0x00000004L
311 #define SSL_RC2 0x00000008L
312 #define SSL_IDEA 0x00000010L
313 #define SSL_eNULL 0x00000020L
314 #define SSL_AES128 0x00000040L
315 #define SSL_AES256 0x00000080L
316 #define SSL_CAMELLIA128 0x00000100L
317 #define SSL_CAMELLIA256 0x00000200L
318 #define SSL_eGOST2814789CNT 0x00000400L
319 #define SSL_SEED 0x00000800L
321 #define SSL_AES (SSL_AES128|SSL_AES256)
322 #define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
325 /* Bits for algorithm_mac (symmetric authentication) */
326 #define SSL_MD5 0x00000001L
327 #define SSL_SHA1 0x00000002L
328 #define SSL_GOST94 0x00000004L
329 #define SSL_GOST89MAC 0x00000008L
330 #define SSL_SHA256 0x00000010L
332 /* Bits for algorithm_ssl (protocol version) */
333 #define SSL_SSLV2 0x00000001L
334 #define SSL_SSLV3 0x00000002L
335 #define SSL_TLSV1 SSL_SSLV3 /* for now */
338 /* Bits for algorithm2 (handshake digests and other extra flags) */
340 #define SSL_HANDSHAKE_MAC_MD5 0x10
341 #define SSL_HANDSHAKE_MAC_SHA 0x20
342 #define SSL_HANDSHAKE_MAC_GOST94 0x40
343 #define SSL_HANDSHAKE_MAC_SHA256 0x80
344 #define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA)
346 /* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX
347 * make sure to update this constant too */
348 #define SSL_MAX_DIGEST 5
350 #define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT)
352 #define TLS1_PRF_DGST_SHIFT 8
353 #define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT)
354 #define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT)
355 #define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT)
356 #define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT)
357 #define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1)
359 /* Stream MAC for GOST ciphersuites from cryptopro draft
360 * (currently this also goes into algorithm2) */
361 #define TLS1_STREAM_MAC 0x04
366 * Export and cipher strength information. For each cipher we have to decide
367 * whether it is exportable or not. This information is likely to change
368 * over time, since the export control rules are no static technical issue.
370 * Independent of the export flag the cipher strength is sorted into classes.
371 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
372 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
373 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
374 * since SSL_EXP64 could be similar to SSL_LOW.
375 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
376 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
377 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
380 #define SSL_EXP_MASK 0x00000003L
381 #define SSL_STRONG_MASK 0x000001fcL
383 #define SSL_NOT_EXP 0x00000001L
384 #define SSL_EXPORT 0x00000002L
386 #define SSL_STRONG_NONE 0x00000004L
387 #define SSL_EXP40 0x00000008L
388 #define SSL_MICRO (SSL_EXP40)
389 #define SSL_EXP56 0x00000010L
390 #define SSL_MINI (SSL_EXP56)
391 #define SSL_LOW 0x00000020L
392 #define SSL_MEDIUM 0x00000040L
393 #define SSL_HIGH 0x00000080L
394 #define SSL_FIPS 0x00000100L
396 /* we have used 000001ff - 23 bits left to go */
399 * Macros to check the export status and cipher strength for export ciphers.
400 * Even though the macros for EXPORT and EXPORT40/56 have similar names,
401 * their meaning is different:
402 * *_EXPORT macros check the 'exportable' status.
403 * *_EXPORT40/56 macros are used to check whether a certain cipher strength
405 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
406 * algorithm structure element to be passed (algorithms, algo_strength) and no
407 * typechecking can be done as they are all of type unsigned long, their
408 * direct usage is discouraged.
409 * Use the SSL_C_* macros instead.
411 #define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
412 #define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
413 #define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
414 #define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
415 #define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
416 #define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
418 #define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
419 (a) == SSL_DES ? 8 : 7)
420 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
421 #define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
423 #define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
428 /* Mostly for SSLv3 */
429 #define SSL_PKEY_RSA_ENC 0
430 #define SSL_PKEY_RSA_SIGN 1
431 #define SSL_PKEY_DSA_SIGN 2
432 #define SSL_PKEY_DH_RSA 3
433 #define SSL_PKEY_DH_DSA 4
434 #define SSL_PKEY_ECC 5
435 #define SSL_PKEY_GOST94 6
436 #define SSL_PKEY_GOST01 7
437 #define SSL_PKEY_NUM 8
439 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
440 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
441 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
442 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
443 * SSL_aRSA <- RSA_ENC | RSA_SIGN
444 * SSL_aDSS <- DSA_SIGN
448 #define CERT_INVALID 0
449 #define CERT_PUBLIC_KEY 1
450 #define CERT_PRIVATE_KEY 2
453 #ifndef OPENSSL_NO_EC
454 /* From ECC-TLS draft, used in encoding the curve type in
457 #define EXPLICIT_PRIME_CURVE_TYPE 1
458 #define EXPLICIT_CHAR2_CURVE_TYPE 2
459 #define NAMED_CURVE_TYPE 3
460 #endif /* OPENSSL_NO_EC */
462 typedef struct cert_pkey_st
465 EVP_PKEY *privatekey;
466 /* Digest to use when signing */
467 const EVP_MD *digest;
470 typedef struct cert_st
472 /* Current active set */
473 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
474 * Probably it would make more sense to store
475 * an index, not a pointer. */
477 /* The following masks are for the key and auth
478 * algorithms that are supported by the certs below */
480 unsigned long mask_k;
481 unsigned long mask_a;
482 unsigned long export_mask_k;
483 unsigned long export_mask_a;
484 #ifndef OPENSSL_NO_RSA
486 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
488 #ifndef OPENSSL_NO_DH
490 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
492 #ifndef OPENSSL_NO_ECDH
494 /* Callback for generating ephemeral ECDH keys */
495 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
498 CERT_PKEY pkeys[SSL_PKEY_NUM];
500 int references; /* >1 only if SSL_copy_session_id is used */
504 typedef struct sess_cert_st
506 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
508 /* The 'peer_...' members are used only by clients. */
511 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
512 CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
513 /* Obviously we don't have the private keys of these,
514 * so maybe we shouldn't even use the CERT_PKEY type here. */
516 #ifndef OPENSSL_NO_RSA
517 RSA *peer_rsa_tmp; /* not used for SSL 2 */
519 #ifndef OPENSSL_NO_DH
520 DH *peer_dh_tmp; /* not used for SSL 2 */
522 #ifndef OPENSSL_NO_ECDH
523 EC_KEY *peer_ecdh_tmp;
526 int references; /* actually always 1 at the moment */
530 /*#define MAC_DEBUG */
532 /*#define ERR_DEBUG */
533 /*#define ABORT_DEBUG */
534 /*#define PKT_DEBUG 1 */
535 /*#define DES_DEBUG */
536 /*#define DES_OFB_DEBUG */
537 /*#define SSL_DEBUG */
538 /*#define RSA_DEBUG */
539 /*#define IDEA_DEBUG */
541 #define FP_ICC (int (*)(const void *,const void *))
542 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \
543 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
544 #define ssl_get_cipher_by_char(ssl,ptr) \
545 ((ssl)->method->get_cipher_by_char(ptr))
547 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
548 * It is a bit of a mess of functions, but hell, think of it as
549 * an opaque structure :-) */
550 typedef struct ssl3_enc_method
552 int (*enc)(SSL *, int);
553 int (*mac)(SSL *, unsigned char *, int);
554 int (*setup_key_block)(SSL *);
555 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
556 int (*change_cipher_state)(SSL *, int);
557 int (*final_finish_mac)(SSL *, const char *, int, unsigned char *);
558 int finish_mac_length;
559 int (*cert_verify_mac)(SSL *, int, unsigned char *);
560 const char *client_finished_label;
561 int client_finished_label_len;
562 const char *server_finished_label;
563 int server_finished_label_len;
564 int (*alert_value)(int);
567 #ifndef OPENSSL_NO_COMP
568 /* Used for holding the relevant compression methods loaded into SSL_CTX */
569 typedef struct ssl3_comp_st
571 int comp_id; /* The identifier byte for this compression type */
572 char *name; /* Text name used for the compression type */
573 COMP_METHOD *method; /* The method :-) */
577 #ifndef OPENSSL_NO_BUF_FREELISTS
578 typedef struct ssl3_buf_freelist_st
582 struct ssl3_buf_freelist_entry_st *head;
585 typedef struct ssl3_buf_freelist_entry_st
587 struct ssl3_buf_freelist_entry_st *next;
588 } SSL3_BUF_FREELIST_ENTRY;
591 extern SSL3_ENC_METHOD ssl3_undef_enc_method;
592 OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[];
593 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
596 SSL_METHOD *ssl_bad_method(int ver);
598 extern SSL3_ENC_METHOD TLSv1_enc_data;
599 extern SSL3_ENC_METHOD SSLv3_enc_data;
600 extern SSL3_ENC_METHOD DTLSv1_enc_data;
602 #define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
604 const SSL_METHOD *func_name(void) \
606 static const SSL_METHOD func_name##_data= { \
618 ssl3_renegotiate_check, \
622 ssl3_dispatch_alert, \
625 ssl3_get_cipher_by_char, \
626 ssl3_put_cipher_by_char, \
631 tls1_default_timeout, \
633 ssl_undefined_void_function, \
634 ssl3_callback_ctrl, \
635 ssl3_ctx_callback_ctrl, \
637 return &func_name##_data; \
640 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
641 const SSL_METHOD *func_name(void) \
643 static const SSL_METHOD func_name##_data= { \
655 ssl3_renegotiate_check, \
659 ssl3_dispatch_alert, \
662 ssl3_get_cipher_by_char, \
663 ssl3_put_cipher_by_char, \
668 ssl3_default_timeout, \
670 ssl_undefined_void_function, \
671 ssl3_callback_ctrl, \
672 ssl3_ctx_callback_ctrl, \
674 return &func_name##_data; \
677 #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
678 const SSL_METHOD *func_name(void) \
680 static const SSL_METHOD func_name##_data= { \
690 ssl_undefined_function, \
691 ssl_undefined_function, \
696 ssl3_dispatch_alert, \
699 ssl23_get_cipher_by_char, \
700 ssl23_put_cipher_by_char, \
701 ssl_undefined_const_function, \
705 ssl23_default_timeout, \
706 &ssl3_undef_enc_method, \
707 ssl_undefined_void_function, \
708 ssl3_callback_ctrl, \
709 ssl3_ctx_callback_ctrl, \
711 return &func_name##_data; \
714 #define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
715 const SSL_METHOD *func_name(void) \
717 static const SSL_METHOD func_name##_data= { \
719 ssl2_new, /* local */ \
720 ssl2_clear, /* local */ \
721 ssl2_free, /* local */ \
728 ssl_ok, /* NULL - renegotiate */ \
729 ssl_ok, /* NULL - check renegotiate */ \
730 NULL, /* NULL - ssl_get_message */ \
731 NULL, /* NULL - ssl_get_record */ \
732 NULL, /* NULL - ssl_write_bytes */ \
733 NULL, /* NULL - dispatch_alert */ \
734 ssl2_ctrl, /* local */ \
735 ssl2_ctx_ctrl, /* local */ \
736 ssl2_get_cipher_by_char, \
737 ssl2_put_cipher_by_char, \
742 ssl2_default_timeout, \
743 &ssl3_undef_enc_method, \
744 ssl_undefined_void_function, \
745 ssl2_callback_ctrl, /* local */ \
746 ssl2_ctx_callback_ctrl, /* local */ \
748 return &func_name##_data; \
751 #define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
752 const SSL_METHOD *func_name(void) \
754 static const SSL_METHOD func_name##_data= { \
766 ssl3_renegotiate_check, \
769 dtls1_write_app_data_bytes, \
770 dtls1_dispatch_alert, \
773 ssl3_get_cipher_by_char, \
774 ssl3_put_cipher_by_char, \
779 dtls1_default_timeout, \
781 ssl_undefined_void_function, \
782 ssl3_callback_ctrl, \
783 ssl3_ctx_callback_ctrl, \
785 return &func_name##_data; \
788 void ssl_clear_cipher_ctx(SSL *s);
789 int ssl_clear_bad_session(SSL *s);
790 CERT *ssl_cert_new(void);
791 CERT *ssl_cert_dup(CERT *cert);
792 int ssl_cert_inst(CERT **o);
793 void ssl_cert_free(CERT *c);
794 SESS_CERT *ssl_sess_cert_new(void);
795 void ssl_sess_cert_free(SESS_CERT *sc);
796 int ssl_set_peer_cert_type(SESS_CERT *c, int type);
797 int ssl_get_new_session(SSL *s, int session);
798 int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit);
799 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
800 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
802 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
803 const SSL_CIPHER * const *bp);
804 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
805 STACK_OF(SSL_CIPHER) **skp);
806 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
807 int (*put_cb)(const SSL_CIPHER *, unsigned char *));
808 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
809 STACK_OF(SSL_CIPHER) **pref,
810 STACK_OF(SSL_CIPHER) **sorted,
811 const char *rule_str);
812 void ssl_update_cache(SSL *s, int mode);
813 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
814 const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp);
815 int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md);
816 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
817 int ssl_undefined_function(SSL *s);
818 int ssl_undefined_void_function(void);
819 int ssl_undefined_const_function(const SSL *s);
820 X509 *ssl_get_server_send_cert(SSL *);
821 EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd);
822 int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
823 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher);
824 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
825 int ssl_verify_alarm_type(long type);
826 void ssl_load_ciphers(void);
828 int ssl2_enc_init(SSL *s, int client);
829 int ssl2_generate_key_material(SSL *s);
830 void ssl2_enc(SSL *s,int send_data);
831 void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
832 const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
833 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
834 int ssl2_part_read(SSL *s, unsigned long f, int i);
835 int ssl2_do_write(SSL *s);
836 int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data);
837 void ssl2_return_error(SSL *s,int reason);
838 void ssl2_write_error(SSL *s);
839 int ssl2_num_ciphers(void);
840 const SSL_CIPHER *ssl2_get_cipher(unsigned int u);
841 int ssl2_new(SSL *s);
842 void ssl2_free(SSL *s);
843 int ssl2_accept(SSL *s);
844 int ssl2_connect(SSL *s);
845 int ssl2_read(SSL *s, void *buf, int len);
846 int ssl2_peek(SSL *s, void *buf, int len);
847 int ssl2_write(SSL *s, const void *buf, int len);
848 int ssl2_shutdown(SSL *s);
849 void ssl2_clear(SSL *s);
850 long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
851 long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
852 long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
853 long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
854 int ssl2_pending(const SSL *s);
855 long ssl2_default_timeout(void );
857 const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
858 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
859 void ssl3_init_finished_mac(SSL *s);
860 int ssl3_send_server_certificate(SSL *s);
861 int ssl3_send_newsession_ticket(SSL *s);
862 int ssl3_send_cert_status(SSL *s);
863 int ssl3_get_finished(SSL *s,int state_a,int state_b);
864 int ssl3_setup_key_block(SSL *s);
865 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
866 int ssl3_change_cipher_state(SSL *s,int which);
867 void ssl3_cleanup_key_block(SSL *s);
868 int ssl3_do_write(SSL *s,int type);
869 int ssl3_send_alert(SSL *s,int level, int desc);
870 int ssl3_generate_master_secret(SSL *s, unsigned char *out,
871 unsigned char *p, int len);
872 int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
873 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
874 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
875 int ssl3_num_ciphers(void);
876 const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
877 int ssl3_renegotiate(SSL *ssl);
878 int ssl3_renegotiate_check(SSL *ssl);
879 int ssl3_dispatch_alert(SSL *s);
880 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
881 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
882 int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p);
883 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
884 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
885 int ssl3_enc(SSL *s, int send_data);
886 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
887 void ssl3_free_digest_list(SSL *s);
888 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x);
889 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
890 STACK_OF(SSL_CIPHER) *srvr);
891 int ssl3_setup_buffers(SSL *s);
892 int ssl3_setup_read_buffer(SSL *s);
893 int ssl3_setup_write_buffer(SSL *s);
894 int ssl3_release_read_buffer(SSL *s);
895 int ssl3_release_write_buffer(SSL *s);
896 int ssl3_digest_cached_records(SSL *s);
897 int ssl3_new(SSL *s);
898 void ssl3_free(SSL *s);
899 int ssl3_accept(SSL *s);
900 int ssl3_connect(SSL *s);
901 int ssl3_read(SSL *s, void *buf, int len);
902 int ssl3_peek(SSL *s, void *buf, int len);
903 int ssl3_write(SSL *s, const void *buf, int len);
904 int ssl3_shutdown(SSL *s);
905 void ssl3_clear(SSL *s);
906 long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
907 long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
908 long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
909 long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
910 int ssl3_pending(const SSL *s);
912 void ssl3_record_sequence_update(unsigned char *seq);
913 int ssl3_do_change_cipher_spec(SSL *ssl);
914 long ssl3_default_timeout(void );
916 int ssl23_num_ciphers(void );
917 const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
918 int ssl23_read(SSL *s, void *buf, int len);
919 int ssl23_peek(SSL *s, void *buf, int len);
920 int ssl23_write(SSL *s, const void *buf, int len);
921 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
922 const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
923 long ssl23_default_timeout(void );
925 long tls1_default_timeout(void);
926 int dtls1_do_write(SSL *s,int type);
927 int ssl3_read_n(SSL *s, int n, int max, int extend);
928 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
929 int ssl3_do_compress(SSL *ssl);
930 int ssl3_do_uncompress(SSL *ssl);
931 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
933 unsigned char *dtls1_set_message_header(SSL *s,
934 unsigned char *p, unsigned char mt, unsigned long len,
935 unsigned long frag_off, unsigned long frag_len);
937 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
938 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
940 int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
941 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
942 unsigned long dtls1_output_cert_chain(SSL *s, X509 *x);
943 int dtls1_read_failed(SSL *s, int code);
944 int dtls1_buffer_message(SSL *s, int ccs);
945 int dtls1_retransmit_message(SSL *s, unsigned short seq,
946 unsigned long frag_off, int *found);
947 int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
948 int dtls1_retransmit_buffered_messages(SSL *s);
949 void dtls1_clear_record_buffer(SSL *s);
950 void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
951 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
952 void dtls1_reset_seq_numbers(SSL *s, int rw);
953 long dtls1_default_timeout(void);
954 struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft);
955 int dtls1_handle_timeout(SSL *s);
956 const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
957 void dtls1_start_timer(SSL *s);
958 void dtls1_stop_timer(SSL *s);
959 int dtls1_is_timer_expired(SSL *s);
960 void dtls1_double_timeout(SSL *s);
961 int dtls1_send_newsession_ticket(SSL *s);
963 /* some client-only functions */
964 int ssl3_client_hello(SSL *s);
965 int ssl3_get_server_hello(SSL *s);
966 int ssl3_get_certificate_request(SSL *s);
967 int ssl3_get_new_session_ticket(SSL *s);
968 int ssl3_get_cert_status(SSL *s);
969 int ssl3_get_server_done(SSL *s);
970 int ssl3_send_client_verify(SSL *s);
971 int ssl3_send_client_certificate(SSL *s);
972 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
973 int ssl3_send_client_key_exchange(SSL *s);
974 int ssl3_get_key_exchange(SSL *s);
975 int ssl3_get_server_certificate(SSL *s);
976 int ssl3_check_cert_and_algorithm(SSL *s);
977 #ifndef OPENSSL_NO_TLSEXT
978 int ssl3_check_finished(SSL *s);
981 int dtls1_client_hello(SSL *s);
982 int dtls1_send_client_certificate(SSL *s);
983 int dtls1_send_client_key_exchange(SSL *s);
984 int dtls1_send_client_verify(SSL *s);
986 /* some server-only functions */
987 int ssl3_get_client_hello(SSL *s);
988 int ssl3_send_server_hello(SSL *s);
989 int ssl3_send_hello_request(SSL *s);
990 int ssl3_send_server_key_exchange(SSL *s);
991 int ssl3_send_certificate_request(SSL *s);
992 int ssl3_send_server_done(SSL *s);
993 int ssl3_check_client_hello(SSL *s);
994 int ssl3_get_client_certificate(SSL *s);
995 int ssl3_get_client_key_exchange(SSL *s);
996 int ssl3_get_cert_verify(SSL *s);
998 int dtls1_send_hello_request(SSL *s);
999 int dtls1_send_server_hello(SSL *s);
1000 int dtls1_send_server_certificate(SSL *s);
1001 int dtls1_send_server_key_exchange(SSL *s);
1002 int dtls1_send_certificate_request(SSL *s);
1003 int dtls1_send_server_done(SSL *s);
1007 int ssl23_accept(SSL *s);
1008 int ssl23_connect(SSL *s);
1009 int ssl23_read_bytes(SSL *s, int n);
1010 int ssl23_write_bytes(SSL *s);
1012 int tls1_new(SSL *s);
1013 void tls1_free(SSL *s);
1014 void tls1_clear(SSL *s);
1015 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
1016 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
1018 int dtls1_new(SSL *s);
1019 int dtls1_accept(SSL *s);
1020 int dtls1_connect(SSL *s);
1021 void dtls1_free(SSL *s);
1022 void dtls1_clear(SSL *s);
1023 long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg);
1025 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
1026 int dtls1_get_record(SSL *s);
1027 int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
1028 unsigned int len, int create_empty_fragement);
1029 int dtls1_dispatch_alert(SSL *s);
1030 int dtls1_enc(SSL *s, int snd);
1032 int ssl_init_wbio_buffer(SSL *s, int push);
1033 void ssl_free_wbio_buffer(SSL *s);
1035 int tls1_change_cipher_state(SSL *s, int which);
1036 int tls1_setup_key_block(SSL *s);
1037 int tls1_enc(SSL *s, int snd);
1038 int tls1_final_finish_mac(SSL *s,
1039 const char *str, int slen, unsigned char *p);
1040 int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
1041 int tls1_mac(SSL *ssl, unsigned char *md, int snd);
1042 int tls1_generate_master_secret(SSL *s, unsigned char *out,
1043 unsigned char *p, int len);
1044 int tls1_alert_code(int code);
1045 int ssl3_alert_code(int code);
1048 #ifndef OPENSSL_NO_ECDH
1049 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
1052 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
1054 #ifndef OPENSSL_NO_EC
1055 int tls1_ec_curve_id2nid(int curve_id);
1056 int tls1_ec_nid2curve_id(int nid);
1057 #endif /* OPENSSL_NO_EC */
1059 #ifndef OPENSSL_NO_TLSEXT
1060 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
1061 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
1062 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
1063 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
1064 int ssl_prepare_clienthello_tlsext(SSL *s);
1065 int ssl_prepare_serverhello_tlsext(SSL *s);
1066 int ssl_check_clienthello_tlsext(SSL *s);
1067 int ssl_check_serverhello_tlsext(SSL *s);
1069 #ifdef OPENSSL_NO_SHA256
1070 #define tlsext_tick_md EVP_sha1
1072 #define tlsext_tick_md EVP_sha256
1074 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
1075 const unsigned char *limit, SSL_SESSION **ret);
1077 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
1079 int tls12_get_sigid(const EVP_PKEY *pk);
1080 const EVP_MD *tls12_get_hash(unsigned char hash_alg);
1083 EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ;
1084 void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
1085 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1087 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1089 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1091 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1093 long ssl_get_algorithm2(SSL *s);
1094 int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize);