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;
479 #ifndef OPENSSL_NO_TLSEXT
480 /* authz/authz_length contain authz data for this certificate. The data
481 * is in wire format, specifically it's a series of records like:
482 * uint8_t authz_type; // (RFC 5878, AuthzDataFormat)
484 * uint8_t data[length]; */
485 unsigned char *authz;
490 typedef struct cert_st
492 /* Current active set */
493 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
494 * Probably it would make more sense to store
495 * an index, not a pointer. */
497 /* The following masks are for the key and auth
498 * algorithms that are supported by the certs below */
500 unsigned long mask_k;
501 unsigned long mask_a;
502 unsigned long export_mask_k;
503 unsigned long export_mask_a;
504 #ifndef OPENSSL_NO_RSA
506 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
508 #ifndef OPENSSL_NO_DH
510 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
512 #ifndef OPENSSL_NO_ECDH
514 /* Callback for generating ephemeral ECDH keys */
515 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
516 /* Select ECDH parameters automatically */
520 CERT_PKEY pkeys[SSL_PKEY_NUM];
522 /* signature algorithms peer reports: e.g. supported signature
523 * algorithms extension for server or as part of a certificate
524 * request for client.
526 unsigned char *peer_sigalgs;
527 /* Size of above array */
528 size_t peer_sigalgslen;
529 /* configured signature algorithms (can be NULL for default).
530 * sent in signature algorithms extension or certificate request.
532 unsigned char *conf_sigalgs;
533 /* Size of above array */
534 size_t conf_sigalgslen;
535 /* Signature algorithms shared by client and server: cached
536 * because these are used most often
538 TLS_SIGALGS *shared_sigalgs;
539 size_t shared_sigalgslen;
541 int references; /* >1 only if SSL_copy_session_id is used */
545 typedef struct sess_cert_st
547 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
549 /* The 'peer_...' members are used only by clients. */
552 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
553 CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
554 /* Obviously we don't have the private keys of these,
555 * so maybe we shouldn't even use the CERT_PKEY type here. */
557 #ifndef OPENSSL_NO_RSA
558 RSA *peer_rsa_tmp; /* not used for SSL 2 */
560 #ifndef OPENSSL_NO_DH
561 DH *peer_dh_tmp; /* not used for SSL 2 */
563 #ifndef OPENSSL_NO_ECDH
564 EC_KEY *peer_ecdh_tmp;
567 int references; /* actually always 1 at the moment */
569 /* Structure containing decoded values of signature algorithms extension */
570 struct tls_sigalgs_st
572 /* NID of hash algorithm */
574 /* NID of signature algorithm */
576 /* Combined hash and signature NID */
578 /* Raw values used in extension */
583 /*#define MAC_DEBUG */
585 /*#define ERR_DEBUG */
586 /*#define ABORT_DEBUG */
587 /*#define PKT_DEBUG 1 */
588 /*#define DES_DEBUG */
589 /*#define DES_OFB_DEBUG */
590 /*#define SSL_DEBUG */
591 /*#define RSA_DEBUG */
592 /*#define IDEA_DEBUG */
594 #define FP_ICC (int (*)(const void *,const void *))
595 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \
596 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
597 #define ssl_get_cipher_by_char(ssl,ptr) \
598 ((ssl)->method->get_cipher_by_char(ptr))
600 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
601 * It is a bit of a mess of functions, but hell, think of it as
602 * an opaque structure :-) */
603 typedef struct ssl3_enc_method
605 int (*enc)(SSL *, int);
606 int (*mac)(SSL *, unsigned char *, int);
607 int (*setup_key_block)(SSL *);
608 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
609 int (*change_cipher_state)(SSL *, int);
610 int (*final_finish_mac)(SSL *, const char *, int, unsigned char *);
611 int finish_mac_length;
612 int (*cert_verify_mac)(SSL *, int, unsigned char *);
613 const char *client_finished_label;
614 int client_finished_label_len;
615 const char *server_finished_label;
616 int server_finished_label_len;
617 int (*alert_value)(int);
618 int (*export_keying_material)(SSL *, unsigned char *, size_t,
619 const char *, size_t,
620 const unsigned char *, size_t,
624 #ifndef OPENSSL_NO_COMP
625 /* Used for holding the relevant compression methods loaded into SSL_CTX */
626 typedef struct ssl3_comp_st
628 int comp_id; /* The identifier byte for this compression type */
629 char *name; /* Text name used for the compression type */
630 COMP_METHOD *method; /* The method :-) */
634 #ifndef OPENSSL_NO_BUF_FREELISTS
635 typedef struct ssl3_buf_freelist_st
639 struct ssl3_buf_freelist_entry_st *head;
642 typedef struct ssl3_buf_freelist_entry_st
644 struct ssl3_buf_freelist_entry_st *next;
645 } SSL3_BUF_FREELIST_ENTRY;
648 extern SSL3_ENC_METHOD ssl3_undef_enc_method;
649 OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[];
650 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
653 SSL_METHOD *ssl_bad_method(int ver);
655 extern SSL3_ENC_METHOD TLSv1_enc_data;
656 extern SSL3_ENC_METHOD SSLv3_enc_data;
657 extern SSL3_ENC_METHOD DTLSv1_enc_data;
659 #define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
661 const SSL_METHOD *func_name(void) \
663 static const SSL_METHOD func_name##_data= { \
675 ssl3_renegotiate_check, \
679 ssl3_dispatch_alert, \
682 ssl3_get_cipher_by_char, \
683 ssl3_put_cipher_by_char, \
688 tls1_default_timeout, \
690 ssl_undefined_void_function, \
691 ssl3_callback_ctrl, \
692 ssl3_ctx_callback_ctrl, \
694 return &func_name##_data; \
697 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
698 const SSL_METHOD *func_name(void) \
700 static const SSL_METHOD func_name##_data= { \
712 ssl3_renegotiate_check, \
716 ssl3_dispatch_alert, \
719 ssl3_get_cipher_by_char, \
720 ssl3_put_cipher_by_char, \
725 ssl3_default_timeout, \
727 ssl_undefined_void_function, \
728 ssl3_callback_ctrl, \
729 ssl3_ctx_callback_ctrl, \
731 return &func_name##_data; \
734 #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
735 const SSL_METHOD *func_name(void) \
737 static const SSL_METHOD func_name##_data= { \
747 ssl_undefined_function, \
748 ssl_undefined_function, \
753 ssl3_dispatch_alert, \
756 ssl23_get_cipher_by_char, \
757 ssl23_put_cipher_by_char, \
758 ssl_undefined_const_function, \
762 ssl23_default_timeout, \
763 &ssl3_undef_enc_method, \
764 ssl_undefined_void_function, \
765 ssl3_callback_ctrl, \
766 ssl3_ctx_callback_ctrl, \
768 return &func_name##_data; \
771 #define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
772 const SSL_METHOD *func_name(void) \
774 static const SSL_METHOD func_name##_data= { \
776 ssl2_new, /* local */ \
777 ssl2_clear, /* local */ \
778 ssl2_free, /* local */ \
785 ssl_ok, /* NULL - renegotiate */ \
786 ssl_ok, /* NULL - check renegotiate */ \
787 NULL, /* NULL - ssl_get_message */ \
788 NULL, /* NULL - ssl_get_record */ \
789 NULL, /* NULL - ssl_write_bytes */ \
790 NULL, /* NULL - dispatch_alert */ \
791 ssl2_ctrl, /* local */ \
792 ssl2_ctx_ctrl, /* local */ \
793 ssl2_get_cipher_by_char, \
794 ssl2_put_cipher_by_char, \
799 ssl2_default_timeout, \
800 &ssl3_undef_enc_method, \
801 ssl_undefined_void_function, \
802 ssl2_callback_ctrl, /* local */ \
803 ssl2_ctx_callback_ctrl, /* local */ \
805 return &func_name##_data; \
808 #define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
809 const SSL_METHOD *func_name(void) \
811 static const SSL_METHOD func_name##_data= { \
823 ssl3_renegotiate_check, \
826 dtls1_write_app_data_bytes, \
827 dtls1_dispatch_alert, \
830 ssl3_get_cipher_by_char, \
831 ssl3_put_cipher_by_char, \
836 dtls1_default_timeout, \
838 ssl_undefined_void_function, \
839 ssl3_callback_ctrl, \
840 ssl3_ctx_callback_ctrl, \
842 return &func_name##_data; \
845 void ssl_clear_cipher_ctx(SSL *s);
846 int ssl_clear_bad_session(SSL *s);
847 CERT *ssl_cert_new(void);
848 CERT *ssl_cert_dup(CERT *cert);
849 void ssl_cert_set_default_md(CERT *cert);
850 int ssl_cert_inst(CERT **o);
851 void ssl_cert_clear_certs(CERT *c);
852 void ssl_cert_free(CERT *c);
853 SESS_CERT *ssl_sess_cert_new(void);
854 void ssl_sess_cert_free(SESS_CERT *sc);
855 int ssl_set_peer_cert_type(SESS_CERT *c, int type);
856 int ssl_get_new_session(SSL *s, int session);
857 int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit);
858 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
859 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
861 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
862 const SSL_CIPHER * const *bp);
863 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
864 STACK_OF(SSL_CIPHER) **skp);
865 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
866 int (*put_cb)(const SSL_CIPHER *, unsigned char *));
867 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
868 STACK_OF(SSL_CIPHER) **pref,
869 STACK_OF(SSL_CIPHER) **sorted,
870 const char *rule_str);
871 void ssl_update_cache(SSL *s, int mode);
872 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
873 const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp);
874 int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md);
875 int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain);
876 int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain);
877 int ssl_cert_add0_chain_cert(CERT *c, X509 *x);
878 int ssl_cert_add1_chain_cert(CERT *c, X509 *x);
880 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
881 int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l);
882 int ssl_undefined_function(SSL *s);
883 int ssl_undefined_void_function(void);
884 int ssl_undefined_const_function(const SSL *s);
885 CERT_PKEY *ssl_get_server_send_pkey(const SSL *s);
886 unsigned char *ssl_get_authz_data(SSL *s, size_t *authz_length);
887 EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd);
888 int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
889 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher);
890 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
891 int ssl_verify_alarm_type(long type);
892 void ssl_load_ciphers(void);
894 int ssl2_enc_init(SSL *s, int client);
895 int ssl2_generate_key_material(SSL *s);
896 void ssl2_enc(SSL *s,int send_data);
897 void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
898 const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
899 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
900 int ssl2_part_read(SSL *s, unsigned long f, int i);
901 int ssl2_do_write(SSL *s);
902 int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data);
903 void ssl2_return_error(SSL *s,int reason);
904 void ssl2_write_error(SSL *s);
905 int ssl2_num_ciphers(void);
906 const SSL_CIPHER *ssl2_get_cipher(unsigned int u);
907 int ssl2_new(SSL *s);
908 void ssl2_free(SSL *s);
909 int ssl2_accept(SSL *s);
910 int ssl2_connect(SSL *s);
911 int ssl2_read(SSL *s, void *buf, int len);
912 int ssl2_peek(SSL *s, void *buf, int len);
913 int ssl2_write(SSL *s, const void *buf, int len);
914 int ssl2_shutdown(SSL *s);
915 void ssl2_clear(SSL *s);
916 long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
917 long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
918 long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
919 long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
920 int ssl2_pending(const SSL *s);
921 long ssl2_default_timeout(void );
923 const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
924 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
925 void ssl3_init_finished_mac(SSL *s);
926 int ssl3_send_server_certificate(SSL *s);
927 int ssl3_send_newsession_ticket(SSL *s);
928 int ssl3_send_cert_status(SSL *s);
929 int ssl3_get_finished(SSL *s,int state_a,int state_b);
930 int ssl3_setup_key_block(SSL *s);
931 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
932 int ssl3_change_cipher_state(SSL *s,int which);
933 void ssl3_cleanup_key_block(SSL *s);
934 int ssl3_do_write(SSL *s,int type);
935 int ssl3_send_alert(SSL *s,int level, int desc);
936 int ssl3_generate_master_secret(SSL *s, unsigned char *out,
937 unsigned char *p, int len);
938 int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
939 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
940 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
941 int ssl3_num_ciphers(void);
942 const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
943 int ssl3_renegotiate(SSL *ssl);
944 int ssl3_renegotiate_check(SSL *ssl);
945 int ssl3_dispatch_alert(SSL *s);
946 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
947 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
948 int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p);
949 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
950 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
951 int ssl3_enc(SSL *s, int send_data);
952 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
953 void ssl3_free_digest_list(SSL *s);
954 unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk);
955 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
956 STACK_OF(SSL_CIPHER) *srvr);
957 int ssl3_setup_buffers(SSL *s);
958 int ssl3_setup_read_buffer(SSL *s);
959 int ssl3_setup_write_buffer(SSL *s);
960 int ssl3_release_read_buffer(SSL *s);
961 int ssl3_release_write_buffer(SSL *s);
962 int ssl3_digest_cached_records(SSL *s);
963 int ssl3_new(SSL *s);
964 void ssl3_free(SSL *s);
965 int ssl3_accept(SSL *s);
966 int ssl3_connect(SSL *s);
967 int ssl3_read(SSL *s, void *buf, int len);
968 int ssl3_peek(SSL *s, void *buf, int len);
969 int ssl3_write(SSL *s, const void *buf, int len);
970 int ssl3_shutdown(SSL *s);
971 void ssl3_clear(SSL *s);
972 long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
973 long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
974 long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
975 long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
976 int ssl3_pending(const SSL *s);
978 void ssl3_record_sequence_update(unsigned char *seq);
979 int ssl3_do_change_cipher_spec(SSL *ssl);
980 long ssl3_default_timeout(void );
982 int ssl23_num_ciphers(void );
983 const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
984 int ssl23_read(SSL *s, void *buf, int len);
985 int ssl23_peek(SSL *s, void *buf, int len);
986 int ssl23_write(SSL *s, const void *buf, int len);
987 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
988 const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
989 long ssl23_default_timeout(void );
991 long tls1_default_timeout(void);
992 int dtls1_do_write(SSL *s,int type);
993 int ssl3_read_n(SSL *s, int n, int max, int extend);
994 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
995 int ssl3_do_compress(SSL *ssl);
996 int ssl3_do_uncompress(SSL *ssl);
997 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
999 unsigned char *dtls1_set_message_header(SSL *s,
1000 unsigned char *p, unsigned char mt, unsigned long len,
1001 unsigned long frag_off, unsigned long frag_len);
1003 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
1004 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
1006 int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
1007 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
1008 unsigned long dtls1_output_cert_chain(SSL *s, CERT_PKEY *cpk);
1009 int dtls1_read_failed(SSL *s, int code);
1010 int dtls1_buffer_message(SSL *s, int ccs);
1011 int dtls1_retransmit_message(SSL *s, unsigned short seq,
1012 unsigned long frag_off, int *found);
1013 int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
1014 int dtls1_retransmit_buffered_messages(SSL *s);
1015 void dtls1_clear_record_buffer(SSL *s);
1016 void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
1017 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
1018 void dtls1_reset_seq_numbers(SSL *s, int rw);
1019 long dtls1_default_timeout(void);
1020 struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft);
1021 int dtls1_check_timeout_num(SSL *s);
1022 int dtls1_handle_timeout(SSL *s);
1023 const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
1024 void dtls1_start_timer(SSL *s);
1025 void dtls1_stop_timer(SSL *s);
1026 int dtls1_is_timer_expired(SSL *s);
1027 void dtls1_double_timeout(SSL *s);
1028 int dtls1_send_newsession_ticket(SSL *s);
1029 unsigned int dtls1_min_mtu(void);
1031 /* some client-only functions */
1032 int ssl3_client_hello(SSL *s);
1033 int ssl3_get_server_hello(SSL *s);
1034 int ssl3_get_certificate_request(SSL *s);
1035 int ssl3_get_new_session_ticket(SSL *s);
1036 int ssl3_get_cert_status(SSL *s);
1037 int ssl3_get_server_done(SSL *s);
1038 int ssl3_send_client_verify(SSL *s);
1039 int ssl3_send_client_certificate(SSL *s);
1040 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
1041 int ssl3_send_client_key_exchange(SSL *s);
1042 int ssl3_get_key_exchange(SSL *s);
1043 int ssl3_get_server_certificate(SSL *s);
1044 int ssl3_check_cert_and_algorithm(SSL *s);
1045 #ifndef OPENSSL_NO_TLSEXT
1046 int ssl3_check_finished(SSL *s);
1047 # ifndef OPENSSL_NO_NEXTPROTONEG
1048 int ssl3_send_next_proto(SSL *s);
1052 int dtls1_client_hello(SSL *s);
1053 int dtls1_send_client_certificate(SSL *s);
1054 int dtls1_send_client_key_exchange(SSL *s);
1055 int dtls1_send_client_verify(SSL *s);
1057 /* some server-only functions */
1058 int ssl3_get_client_hello(SSL *s);
1059 int ssl3_send_server_hello(SSL *s);
1060 int ssl3_send_hello_request(SSL *s);
1061 int ssl3_send_server_key_exchange(SSL *s);
1062 int ssl3_send_certificate_request(SSL *s);
1063 int ssl3_send_server_done(SSL *s);
1064 int ssl3_check_client_hello(SSL *s);
1065 int ssl3_get_client_certificate(SSL *s);
1066 int ssl3_get_client_key_exchange(SSL *s);
1067 int ssl3_get_cert_verify(SSL *s);
1068 #ifndef OPENSSL_NO_NEXTPROTONEG
1069 int ssl3_get_next_proto(SSL *s);
1072 int dtls1_send_hello_request(SSL *s);
1073 int dtls1_send_server_hello(SSL *s);
1074 int dtls1_send_server_certificate(SSL *s);
1075 int dtls1_send_server_key_exchange(SSL *s);
1076 int dtls1_send_certificate_request(SSL *s);
1077 int dtls1_send_server_done(SSL *s);
1081 int ssl23_accept(SSL *s);
1082 int ssl23_connect(SSL *s);
1083 int ssl23_read_bytes(SSL *s, int n);
1084 int ssl23_write_bytes(SSL *s);
1086 int tls1_new(SSL *s);
1087 void tls1_free(SSL *s);
1088 void tls1_clear(SSL *s);
1089 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
1090 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
1092 int dtls1_new(SSL *s);
1093 int dtls1_accept(SSL *s);
1094 int dtls1_connect(SSL *s);
1095 void dtls1_free(SSL *s);
1096 void dtls1_clear(SSL *s);
1097 long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg);
1098 int dtls1_shutdown(SSL *s);
1100 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
1101 int dtls1_get_record(SSL *s);
1102 int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
1103 unsigned int len, int create_empty_fragement);
1104 int dtls1_dispatch_alert(SSL *s);
1105 int dtls1_enc(SSL *s, int snd);
1107 int ssl_init_wbio_buffer(SSL *s, int push);
1108 void ssl_free_wbio_buffer(SSL *s);
1110 int tls1_change_cipher_state(SSL *s, int which);
1111 int tls1_setup_key_block(SSL *s);
1112 int tls1_enc(SSL *s, int snd);
1113 int tls1_final_finish_mac(SSL *s,
1114 const char *str, int slen, unsigned char *p);
1115 int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
1116 int tls1_mac(SSL *ssl, unsigned char *md, int snd);
1117 int tls1_generate_master_secret(SSL *s, unsigned char *out,
1118 unsigned char *p, int len);
1119 int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
1120 const char *label, size_t llen,
1121 const unsigned char *p, size_t plen, int use_context);
1122 int tls1_alert_code(int code);
1123 int ssl3_alert_code(int code);
1126 #ifndef OPENSSL_NO_ECDH
1127 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
1130 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
1132 #ifndef OPENSSL_NO_EC
1133 int tls1_ec_curve_id2nid(int curve_id);
1134 int tls1_ec_nid2curve_id(int nid);
1135 int tls1_shared_curve(SSL *s, int nmatch);
1136 int tls1_set_curves(unsigned char **pext, size_t *pextlen,
1137 int *curves, size_t ncurves);
1138 int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
1140 int tls1_check_ec_server_key(SSL *s);
1141 int tls1_check_ec_tmp_key(SSL *s);
1142 #endif /* OPENSSL_NO_EC */
1144 #ifndef OPENSSL_NO_TLSEXT
1145 int tls1_shared_list(SSL *s,
1146 const unsigned char *l1, size_t l1len,
1147 const unsigned char *l2, size_t l2len,
1149 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
1150 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
1151 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n);
1152 int ssl_check_clienthello_tlsext_late(SSL *s);
1153 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n);
1154 int ssl_prepare_clienthello_tlsext(SSL *s);
1155 int ssl_prepare_serverhello_tlsext(SSL *s);
1158 int tls1_send_server_supplemental_data(SSL *s);
1160 int tls1_get_server_supplemental_data(SSL *s);
1162 #ifndef OPENSSL_NO_HEARTBEATS
1163 int tls1_heartbeat(SSL *s);
1164 int dtls1_heartbeat(SSL *s);
1165 int tls1_process_heartbeat(SSL *s);
1166 int dtls1_process_heartbeat(SSL *s);
1169 #ifdef OPENSSL_NO_SHA256
1170 #define tlsext_tick_md EVP_sha1
1172 #define tlsext_tick_md EVP_sha256
1174 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
1175 const unsigned char *limit, SSL_SESSION **ret);
1177 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
1179 int tls12_get_sigid(const EVP_PKEY *pk);
1180 const EVP_MD *tls12_get_hash(unsigned char hash_alg);
1182 int tls1_set_sigalgs_list(CERT *c, const char *str);
1183 int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen);
1186 EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ;
1187 void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
1188 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1190 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1192 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1194 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1196 long ssl_get_algorithm2(SSL *s);
1197 int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize);
1198 size_t tls12_get_sig_algs(SSL *s, unsigned char *p);
1200 int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
1201 int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
1202 int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
1203 int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);