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 */
284 #define SSL_kDHd 0x00000004L /* DH cert, DSA CA cert */
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) */
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
320 #define SSL_AES128GCM 0x00001000L
321 #define SSL_AES256GCM 0x00002000L
323 #define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM)
324 #define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
327 /* Bits for algorithm_mac (symmetric authentication) */
329 #define SSL_MD5 0x00000001L
330 #define SSL_SHA1 0x00000002L
331 #define SSL_GOST94 0x00000004L
332 #define SSL_GOST89MAC 0x00000008L
333 #define SSL_SHA256 0x00000010L
334 #define SSL_SHA384 0x00000020L
335 /* Not a real MAC, just an indication it is part of cipher */
336 #define SSL_AEAD 0x00000040L
338 /* Bits for algorithm_ssl (protocol version) */
339 #define SSL_SSLV2 0x00000001L
340 #define SSL_SSLV3 0x00000002L
341 #define SSL_TLSV1 SSL_SSLV3 /* for now */
342 #define SSL_TLSV1_2 0x00000004L
345 /* Bits for algorithm2 (handshake digests and other extra flags) */
347 #define SSL_HANDSHAKE_MAC_MD5 0x10
348 #define SSL_HANDSHAKE_MAC_SHA 0x20
349 #define SSL_HANDSHAKE_MAC_GOST94 0x40
350 #define SSL_HANDSHAKE_MAC_SHA256 0x80
351 #define SSL_HANDSHAKE_MAC_SHA384 0x100
352 #define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA)
354 /* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX
355 * make sure to update this constant too */
356 #define SSL_MAX_DIGEST 6
358 #define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT)
360 #define TLS1_PRF_DGST_SHIFT 10
361 #define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT)
362 #define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT)
363 #define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT)
364 #define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT)
365 #define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT)
366 #define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1)
368 /* Stream MAC for GOST ciphersuites from cryptopro draft
369 * (currently this also goes into algorithm2) */
370 #define TLS1_STREAM_MAC 0x04
375 * Export and cipher strength information. For each cipher we have to decide
376 * whether it is exportable or not. This information is likely to change
377 * over time, since the export control rules are no static technical issue.
379 * Independent of the export flag the cipher strength is sorted into classes.
380 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
381 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
382 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
383 * since SSL_EXP64 could be similar to SSL_LOW.
384 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
385 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
386 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
389 #define SSL_EXP_MASK 0x00000003L
390 #define SSL_STRONG_MASK 0x000001fcL
392 #define SSL_NOT_EXP 0x00000001L
393 #define SSL_EXPORT 0x00000002L
395 #define SSL_STRONG_NONE 0x00000004L
396 #define SSL_EXP40 0x00000008L
397 #define SSL_MICRO (SSL_EXP40)
398 #define SSL_EXP56 0x00000010L
399 #define SSL_MINI (SSL_EXP56)
400 #define SSL_LOW 0x00000020L
401 #define SSL_MEDIUM 0x00000040L
402 #define SSL_HIGH 0x00000080L
403 #define SSL_FIPS 0x00000100L
405 /* we have used 000001ff - 23 bits left to go */
408 * Macros to check the export status and cipher strength for export ciphers.
409 * Even though the macros for EXPORT and EXPORT40/56 have similar names,
410 * their meaning is different:
411 * *_EXPORT macros check the 'exportable' status.
412 * *_EXPORT40/56 macros are used to check whether a certain cipher strength
414 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
415 * algorithm structure element to be passed (algorithms, algo_strength) and no
416 * typechecking can be done as they are all of type unsigned long, their
417 * direct usage is discouraged.
418 * Use the SSL_C_* macros instead.
420 #define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
421 #define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
422 #define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
423 #define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
424 #define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
425 #define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
427 #define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
428 (a) == SSL_DES ? 8 : 7)
429 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
430 #define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
432 #define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
437 /* Mostly for SSLv3 */
438 #define SSL_PKEY_RSA_ENC 0
439 #define SSL_PKEY_RSA_SIGN 1
440 #define SSL_PKEY_DSA_SIGN 2
441 #define SSL_PKEY_DH_RSA 3
442 #define SSL_PKEY_DH_DSA 4
443 #define SSL_PKEY_ECC 5
444 #define SSL_PKEY_GOST94 6
445 #define SSL_PKEY_GOST01 7
446 #define SSL_PKEY_NUM 8
448 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
449 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
450 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
451 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
452 * SSL_aRSA <- RSA_ENC | RSA_SIGN
453 * SSL_aDSS <- DSA_SIGN
457 #define CERT_INVALID 0
458 #define CERT_PUBLIC_KEY 1
459 #define CERT_PRIVATE_KEY 2
462 #ifndef OPENSSL_NO_EC
463 /* From ECC-TLS draft, used in encoding the curve type in
466 #define EXPLICIT_PRIME_CURVE_TYPE 1
467 #define EXPLICIT_CHAR2_CURVE_TYPE 2
468 #define NAMED_CURVE_TYPE 3
469 #endif /* OPENSSL_NO_EC */
471 typedef struct cert_pkey_st
474 EVP_PKEY *privatekey;
475 /* Digest to use when signing */
476 const EVP_MD *digest;
477 /* Chain for this certificate */
478 STACK_OF(X509) *chain;
481 typedef struct cert_st
483 /* Current active set */
484 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
485 * Probably it would make more sense to store
486 * an index, not a pointer. */
488 /* The following masks are for the key and auth
489 * algorithms that are supported by the certs below */
491 unsigned long mask_k;
492 unsigned long mask_a;
493 unsigned long export_mask_k;
494 unsigned long export_mask_a;
495 #ifndef OPENSSL_NO_RSA
497 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
499 #ifndef OPENSSL_NO_DH
501 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
503 #ifndef OPENSSL_NO_ECDH
505 /* Callback for generating ephemeral ECDH keys */
506 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
507 /* Select ECDH parameters automatically */
511 CERT_PKEY pkeys[SSL_PKEY_NUM];
513 /* Array of pairs of NIDs for signature algorithm extension */
514 TLS_SIGALGS *sigalgs;
515 /* Size of above array */
518 int references; /* >1 only if SSL_copy_session_id is used */
522 typedef struct sess_cert_st
524 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
526 /* The 'peer_...' members are used only by clients. */
529 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
530 CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
531 /* Obviously we don't have the private keys of these,
532 * so maybe we shouldn't even use the CERT_PKEY type here. */
534 #ifndef OPENSSL_NO_RSA
535 RSA *peer_rsa_tmp; /* not used for SSL 2 */
537 #ifndef OPENSSL_NO_DH
538 DH *peer_dh_tmp; /* not used for SSL 2 */
540 #ifndef OPENSSL_NO_ECDH
541 EC_KEY *peer_ecdh_tmp;
544 int references; /* actually always 1 at the moment */
546 /* Structure containing decoded values of signature algorithms extension */
547 struct tls_sigalgs_st
549 /* NID of hash algorithm */
551 /* NID of signature algorithm */
553 /* Combined hash and signature NID */
555 /* Raw values used in extension */
560 /*#define MAC_DEBUG */
562 /*#define ERR_DEBUG */
563 /*#define ABORT_DEBUG */
564 /*#define PKT_DEBUG 1 */
565 /*#define DES_DEBUG */
566 /*#define DES_OFB_DEBUG */
567 /*#define SSL_DEBUG */
568 /*#define RSA_DEBUG */
569 /*#define IDEA_DEBUG */
571 #define FP_ICC (int (*)(const void *,const void *))
572 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \
573 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
574 #define ssl_get_cipher_by_char(ssl,ptr) \
575 ((ssl)->method->get_cipher_by_char(ptr))
577 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
578 * It is a bit of a mess of functions, but hell, think of it as
579 * an opaque structure :-) */
580 typedef struct ssl3_enc_method
582 int (*enc)(SSL *, int);
583 int (*mac)(SSL *, unsigned char *, int);
584 int (*setup_key_block)(SSL *);
585 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
586 int (*change_cipher_state)(SSL *, int);
587 int (*final_finish_mac)(SSL *, const char *, int, unsigned char *);
588 int finish_mac_length;
589 int (*cert_verify_mac)(SSL *, int, unsigned char *);
590 const char *client_finished_label;
591 int client_finished_label_len;
592 const char *server_finished_label;
593 int server_finished_label_len;
594 int (*alert_value)(int);
595 int (*export_keying_material)(SSL *, unsigned char *, size_t,
596 const char *, size_t,
597 const unsigned char *, size_t,
601 #ifndef OPENSSL_NO_COMP
602 /* Used for holding the relevant compression methods loaded into SSL_CTX */
603 typedef struct ssl3_comp_st
605 int comp_id; /* The identifier byte for this compression type */
606 char *name; /* Text name used for the compression type */
607 COMP_METHOD *method; /* The method :-) */
611 #ifndef OPENSSL_NO_BUF_FREELISTS
612 typedef struct ssl3_buf_freelist_st
616 struct ssl3_buf_freelist_entry_st *head;
619 typedef struct ssl3_buf_freelist_entry_st
621 struct ssl3_buf_freelist_entry_st *next;
622 } SSL3_BUF_FREELIST_ENTRY;
625 extern SSL3_ENC_METHOD ssl3_undef_enc_method;
626 OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[];
627 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
630 SSL_METHOD *ssl_bad_method(int ver);
632 extern SSL3_ENC_METHOD TLSv1_enc_data;
633 extern SSL3_ENC_METHOD SSLv3_enc_data;
634 extern SSL3_ENC_METHOD DTLSv1_enc_data;
636 #define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
638 const SSL_METHOD *func_name(void) \
640 static const SSL_METHOD func_name##_data= { \
652 ssl3_renegotiate_check, \
656 ssl3_dispatch_alert, \
659 ssl3_get_cipher_by_char, \
660 ssl3_put_cipher_by_char, \
665 tls1_default_timeout, \
667 ssl_undefined_void_function, \
668 ssl3_callback_ctrl, \
669 ssl3_ctx_callback_ctrl, \
671 return &func_name##_data; \
674 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
675 const SSL_METHOD *func_name(void) \
677 static const SSL_METHOD func_name##_data= { \
689 ssl3_renegotiate_check, \
693 ssl3_dispatch_alert, \
696 ssl3_get_cipher_by_char, \
697 ssl3_put_cipher_by_char, \
702 ssl3_default_timeout, \
704 ssl_undefined_void_function, \
705 ssl3_callback_ctrl, \
706 ssl3_ctx_callback_ctrl, \
708 return &func_name##_data; \
711 #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
712 const SSL_METHOD *func_name(void) \
714 static const SSL_METHOD func_name##_data= { \
724 ssl_undefined_function, \
725 ssl_undefined_function, \
730 ssl3_dispatch_alert, \
733 ssl23_get_cipher_by_char, \
734 ssl23_put_cipher_by_char, \
735 ssl_undefined_const_function, \
739 ssl23_default_timeout, \
740 &ssl3_undef_enc_method, \
741 ssl_undefined_void_function, \
742 ssl3_callback_ctrl, \
743 ssl3_ctx_callback_ctrl, \
745 return &func_name##_data; \
748 #define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
749 const SSL_METHOD *func_name(void) \
751 static const SSL_METHOD func_name##_data= { \
753 ssl2_new, /* local */ \
754 ssl2_clear, /* local */ \
755 ssl2_free, /* local */ \
762 ssl_ok, /* NULL - renegotiate */ \
763 ssl_ok, /* NULL - check renegotiate */ \
764 NULL, /* NULL - ssl_get_message */ \
765 NULL, /* NULL - ssl_get_record */ \
766 NULL, /* NULL - ssl_write_bytes */ \
767 NULL, /* NULL - dispatch_alert */ \
768 ssl2_ctrl, /* local */ \
769 ssl2_ctx_ctrl, /* local */ \
770 ssl2_get_cipher_by_char, \
771 ssl2_put_cipher_by_char, \
776 ssl2_default_timeout, \
777 &ssl3_undef_enc_method, \
778 ssl_undefined_void_function, \
779 ssl2_callback_ctrl, /* local */ \
780 ssl2_ctx_callback_ctrl, /* local */ \
782 return &func_name##_data; \
785 #define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
786 const SSL_METHOD *func_name(void) \
788 static const SSL_METHOD func_name##_data= { \
800 ssl3_renegotiate_check, \
803 dtls1_write_app_data_bytes, \
804 dtls1_dispatch_alert, \
807 ssl3_get_cipher_by_char, \
808 ssl3_put_cipher_by_char, \
813 dtls1_default_timeout, \
815 ssl_undefined_void_function, \
816 ssl3_callback_ctrl, \
817 ssl3_ctx_callback_ctrl, \
819 return &func_name##_data; \
822 void ssl_clear_cipher_ctx(SSL *s);
823 int ssl_clear_bad_session(SSL *s);
824 CERT *ssl_cert_new(void);
825 CERT *ssl_cert_dup(CERT *cert);
826 int ssl_cert_inst(CERT **o);
827 void ssl_cert_free(CERT *c);
828 SESS_CERT *ssl_sess_cert_new(void);
829 void ssl_sess_cert_free(SESS_CERT *sc);
830 int ssl_set_peer_cert_type(SESS_CERT *c, int type);
831 int ssl_get_new_session(SSL *s, int session);
832 int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit);
833 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
834 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
836 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
837 const SSL_CIPHER * const *bp);
838 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
839 STACK_OF(SSL_CIPHER) **skp);
840 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
841 int (*put_cb)(const SSL_CIPHER *, unsigned char *));
842 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
843 STACK_OF(SSL_CIPHER) **pref,
844 STACK_OF(SSL_CIPHER) **sorted,
845 const char *rule_str);
846 void ssl_update_cache(SSL *s, int mode);
847 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
848 const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp);
849 int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md);
850 int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain);
851 int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain);
852 int ssl_cert_add0_chain_cert(CERT *c, X509 *x);
853 int ssl_cert_add1_chain_cert(CERT *c, X509 *x);
855 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
856 int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l);
857 int ssl_undefined_function(SSL *s);
858 int ssl_undefined_void_function(void);
859 int ssl_undefined_const_function(const SSL *s);
860 CERT_PKEY *ssl_get_server_send_pkey(SSL *);
861 EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd);
862 int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
863 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher);
864 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
865 int ssl_verify_alarm_type(long type);
866 void ssl_load_ciphers(void);
868 int ssl2_enc_init(SSL *s, int client);
869 int ssl2_generate_key_material(SSL *s);
870 void ssl2_enc(SSL *s,int send_data);
871 void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
872 const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
873 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
874 int ssl2_part_read(SSL *s, unsigned long f, int i);
875 int ssl2_do_write(SSL *s);
876 int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data);
877 void ssl2_return_error(SSL *s,int reason);
878 void ssl2_write_error(SSL *s);
879 int ssl2_num_ciphers(void);
880 const SSL_CIPHER *ssl2_get_cipher(unsigned int u);
881 int ssl2_new(SSL *s);
882 void ssl2_free(SSL *s);
883 int ssl2_accept(SSL *s);
884 int ssl2_connect(SSL *s);
885 int ssl2_read(SSL *s, void *buf, int len);
886 int ssl2_peek(SSL *s, void *buf, int len);
887 int ssl2_write(SSL *s, const void *buf, int len);
888 int ssl2_shutdown(SSL *s);
889 void ssl2_clear(SSL *s);
890 long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
891 long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
892 long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
893 long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
894 int ssl2_pending(const SSL *s);
895 long ssl2_default_timeout(void );
897 const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
898 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
899 void ssl3_init_finished_mac(SSL *s);
900 int ssl3_send_server_certificate(SSL *s);
901 int ssl3_send_newsession_ticket(SSL *s);
902 int ssl3_send_cert_status(SSL *s);
903 int ssl3_get_finished(SSL *s,int state_a,int state_b);
904 int ssl3_setup_key_block(SSL *s);
905 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
906 int ssl3_change_cipher_state(SSL *s,int which);
907 void ssl3_cleanup_key_block(SSL *s);
908 int ssl3_do_write(SSL *s,int type);
909 int ssl3_send_alert(SSL *s,int level, int desc);
910 int ssl3_generate_master_secret(SSL *s, unsigned char *out,
911 unsigned char *p, int len);
912 int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
913 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
914 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
915 int ssl3_num_ciphers(void);
916 const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
917 int ssl3_renegotiate(SSL *ssl);
918 int ssl3_renegotiate_check(SSL *ssl);
919 int ssl3_dispatch_alert(SSL *s);
920 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
921 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
922 int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p);
923 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
924 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
925 int ssl3_enc(SSL *s, int send_data);
926 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
927 void ssl3_free_digest_list(SSL *s);
928 unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk);
929 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
930 STACK_OF(SSL_CIPHER) *srvr);
931 int ssl3_setup_buffers(SSL *s);
932 int ssl3_setup_read_buffer(SSL *s);
933 int ssl3_setup_write_buffer(SSL *s);
934 int ssl3_release_read_buffer(SSL *s);
935 int ssl3_release_write_buffer(SSL *s);
936 int ssl3_digest_cached_records(SSL *s);
937 int ssl3_new(SSL *s);
938 void ssl3_free(SSL *s);
939 int ssl3_accept(SSL *s);
940 int ssl3_connect(SSL *s);
941 int ssl3_read(SSL *s, void *buf, int len);
942 int ssl3_peek(SSL *s, void *buf, int len);
943 int ssl3_write(SSL *s, const void *buf, int len);
944 int ssl3_shutdown(SSL *s);
945 void ssl3_clear(SSL *s);
946 long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
947 long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
948 long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
949 long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
950 int ssl3_pending(const SSL *s);
952 void ssl3_record_sequence_update(unsigned char *seq);
953 int ssl3_do_change_cipher_spec(SSL *ssl);
954 long ssl3_default_timeout(void );
956 int ssl23_num_ciphers(void );
957 const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
958 int ssl23_read(SSL *s, void *buf, int len);
959 int ssl23_peek(SSL *s, void *buf, int len);
960 int ssl23_write(SSL *s, const void *buf, int len);
961 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
962 const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
963 long ssl23_default_timeout(void );
965 long tls1_default_timeout(void);
966 int dtls1_do_write(SSL *s,int type);
967 int ssl3_read_n(SSL *s, int n, int max, int extend);
968 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
969 int ssl3_do_compress(SSL *ssl);
970 int ssl3_do_uncompress(SSL *ssl);
971 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
973 unsigned char *dtls1_set_message_header(SSL *s,
974 unsigned char *p, unsigned char mt, unsigned long len,
975 unsigned long frag_off, unsigned long frag_len);
977 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
978 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
980 int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
981 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
982 unsigned long dtls1_output_cert_chain(SSL *s, CERT_PKEY *cpk);
983 int dtls1_read_failed(SSL *s, int code);
984 int dtls1_buffer_message(SSL *s, int ccs);
985 int dtls1_retransmit_message(SSL *s, unsigned short seq,
986 unsigned long frag_off, int *found);
987 int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
988 int dtls1_retransmit_buffered_messages(SSL *s);
989 void dtls1_clear_record_buffer(SSL *s);
990 void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
991 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
992 void dtls1_reset_seq_numbers(SSL *s, int rw);
993 long dtls1_default_timeout(void);
994 struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft);
995 int dtls1_check_timeout_num(SSL *s);
996 int dtls1_handle_timeout(SSL *s);
997 const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
998 void dtls1_start_timer(SSL *s);
999 void dtls1_stop_timer(SSL *s);
1000 int dtls1_is_timer_expired(SSL *s);
1001 void dtls1_double_timeout(SSL *s);
1002 int dtls1_send_newsession_ticket(SSL *s);
1003 unsigned int dtls1_min_mtu(void);
1005 /* some client-only functions */
1006 int ssl3_client_hello(SSL *s);
1007 int ssl3_get_server_hello(SSL *s);
1008 int ssl3_get_certificate_request(SSL *s);
1009 int ssl3_get_new_session_ticket(SSL *s);
1010 int ssl3_get_cert_status(SSL *s);
1011 int ssl3_get_server_done(SSL *s);
1012 int ssl3_send_client_verify(SSL *s);
1013 int ssl3_send_client_certificate(SSL *s);
1014 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
1015 int ssl3_send_client_key_exchange(SSL *s);
1016 int ssl3_get_key_exchange(SSL *s);
1017 int ssl3_get_server_certificate(SSL *s);
1018 int ssl3_check_cert_and_algorithm(SSL *s);
1019 #ifndef OPENSSL_NO_TLSEXT
1020 int ssl3_check_finished(SSL *s);
1021 # ifndef OPENSSL_NO_NEXTPROTONEG
1022 int ssl3_send_next_proto(SSL *s);
1026 int dtls1_client_hello(SSL *s);
1027 int dtls1_send_client_certificate(SSL *s);
1028 int dtls1_send_client_key_exchange(SSL *s);
1029 int dtls1_send_client_verify(SSL *s);
1031 /* some server-only functions */
1032 int ssl3_get_client_hello(SSL *s);
1033 int ssl3_send_server_hello(SSL *s);
1034 int ssl3_send_hello_request(SSL *s);
1035 int ssl3_send_server_key_exchange(SSL *s);
1036 int ssl3_send_certificate_request(SSL *s);
1037 int ssl3_send_server_done(SSL *s);
1038 int ssl3_check_client_hello(SSL *s);
1039 int ssl3_get_client_certificate(SSL *s);
1040 int ssl3_get_client_key_exchange(SSL *s);
1041 int ssl3_get_cert_verify(SSL *s);
1042 #ifndef OPENSSL_NO_NEXTPROTONEG
1043 int ssl3_get_next_proto(SSL *s);
1046 int dtls1_send_hello_request(SSL *s);
1047 int dtls1_send_server_hello(SSL *s);
1048 int dtls1_send_server_certificate(SSL *s);
1049 int dtls1_send_server_key_exchange(SSL *s);
1050 int dtls1_send_certificate_request(SSL *s);
1051 int dtls1_send_server_done(SSL *s);
1055 int ssl23_accept(SSL *s);
1056 int ssl23_connect(SSL *s);
1057 int ssl23_read_bytes(SSL *s, int n);
1058 int ssl23_write_bytes(SSL *s);
1060 int tls1_new(SSL *s);
1061 void tls1_free(SSL *s);
1062 void tls1_clear(SSL *s);
1063 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
1064 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
1066 int dtls1_new(SSL *s);
1067 int dtls1_accept(SSL *s);
1068 int dtls1_connect(SSL *s);
1069 void dtls1_free(SSL *s);
1070 void dtls1_clear(SSL *s);
1071 long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg);
1072 int dtls1_shutdown(SSL *s);
1074 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
1075 int dtls1_get_record(SSL *s);
1076 int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
1077 unsigned int len, int create_empty_fragement);
1078 int dtls1_dispatch_alert(SSL *s);
1079 int dtls1_enc(SSL *s, int snd);
1081 int ssl_init_wbio_buffer(SSL *s, int push);
1082 void ssl_free_wbio_buffer(SSL *s);
1084 int tls1_change_cipher_state(SSL *s, int which);
1085 int tls1_setup_key_block(SSL *s);
1086 int tls1_enc(SSL *s, int snd);
1087 int tls1_final_finish_mac(SSL *s,
1088 const char *str, int slen, unsigned char *p);
1089 int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
1090 int tls1_mac(SSL *ssl, unsigned char *md, int snd);
1091 int tls1_generate_master_secret(SSL *s, unsigned char *out,
1092 unsigned char *p, int len);
1093 int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
1094 const char *label, size_t llen,
1095 const unsigned char *p, size_t plen, int use_context);
1096 int tls1_alert_code(int code);
1097 int ssl3_alert_code(int code);
1100 #ifndef OPENSSL_NO_ECDH
1101 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
1104 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
1106 #ifndef OPENSSL_NO_EC
1107 int tls1_ec_curve_id2nid(int curve_id);
1108 int tls1_ec_nid2curve_id(int nid);
1109 int tls1_shared_curve(SSL *s, int nmatch);
1110 int tls1_set_curves(unsigned char **pext, size_t *pextlen,
1111 int *curves, size_t ncurves);
1112 int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
1114 int tls1_check_ec_server_key(SSL *s);
1115 int tls1_check_ec_tmp_key(SSL *s);
1116 #endif /* OPENSSL_NO_EC */
1118 #ifndef OPENSSL_NO_TLSEXT
1119 int tls1_shared_list(SSL *s,
1120 const unsigned char *l1, size_t l1len,
1121 const unsigned char *l2, size_t l2len,
1123 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
1124 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
1125 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n);
1126 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
1127 int ssl_prepare_clienthello_tlsext(SSL *s);
1128 int ssl_prepare_serverhello_tlsext(SSL *s);
1129 int ssl_check_clienthello_tlsext(SSL *s);
1130 int ssl_check_serverhello_tlsext(SSL *s);
1132 #ifndef OPENSSL_NO_HEARTBEATS
1133 int tls1_heartbeat(SSL *s);
1134 int dtls1_heartbeat(SSL *s);
1135 int tls1_process_heartbeat(SSL *s);
1136 int dtls1_process_heartbeat(SSL *s);
1139 #ifdef OPENSSL_NO_SHA256
1140 #define tlsext_tick_md EVP_sha1
1142 #define tlsext_tick_md EVP_sha256
1144 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
1145 const unsigned char *limit, SSL_SESSION **ret);
1147 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
1149 int tls12_get_sigid(const EVP_PKEY *pk);
1150 const EVP_MD *tls12_get_hash(unsigned char hash_alg);
1153 EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ;
1154 void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
1155 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1157 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1159 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1161 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1163 long ssl_get_algorithm2(SSL *s);
1164 int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize);
1165 int tls12_get_req_sig_algs(SSL *s, unsigned char *p);
1167 int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
1168 int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
1169 int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
1170 int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);