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1/* ssl/ssl_locl.h */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58/* ====================================================================
59 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 * acknowledgment:
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111
112#ifndef HEADER_SSL_LOCL_H
113#define HEADER_SSL_LOCL_H
114#include <stdlib.h>
115#include <time.h>
116#include <string.h>
117#include <errno.h>
118
119#include "e_os.h"
120
121#include <openssl/buffer.h>
122#include <openssl/comp.h>
123#include <openssl/bio.h>
124#include <openssl/crypto.h>
125#include <openssl/evp.h>
126#include <openssl/stack.h>
127#include <openssl/x509.h>
128#include <openssl/err.h>
129#include <openssl/ssl.h>
130#include <openssl/symhacks.h>
131
132#ifdef OPENSSL_BUILD_SHLIBSSL
133# undef OPENSSL_EXTERN
134# define OPENSSL_EXTERN OPENSSL_EXPORT
135#endif
136
137#define PKCS1_CHECK
138
139#define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
140 l|=(((unsigned long)(*((c)++)))<< 8), \
141 l|=(((unsigned long)(*((c)++)))<<16), \
142 l|=(((unsigned long)(*((c)++)))<<24))
143
144/* NOTE - c is not incremented as per c2l */
145#define c2ln(c,l1,l2,n) { \
146 c+=n; \
147 l1=l2=0; \
148 switch (n) { \
149 case 8: l2 =((unsigned long)(*(--(c))))<<24; \
150 case 7: l2|=((unsigned long)(*(--(c))))<<16; \
151 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
152 case 5: l2|=((unsigned long)(*(--(c)))); \
153 case 4: l1 =((unsigned long)(*(--(c))))<<24; \
154 case 3: l1|=((unsigned long)(*(--(c))))<<16; \
155 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
156 case 1: l1|=((unsigned long)(*(--(c)))); \
157 } \
158 }
159
160#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
161 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
162 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
163 *((c)++)=(unsigned char)(((l)>>24)&0xff))
164
165#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
166 l|=((unsigned long)(*((c)++)))<<16, \
167 l|=((unsigned long)(*((c)++)))<< 8, \
168 l|=((unsigned long)(*((c)++))))
169
170#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
171 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
172 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
173 *((c)++)=(unsigned char)(((l) )&0xff))
174
175/* NOTE - c is not incremented as per l2c */
176#define l2cn(l1,l2,c,n) { \
177 c+=n; \
178 switch (n) { \
179 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
180 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
181 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
182 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
183 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
184 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
185 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
186 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
187 } \
188 }
189
190#define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \
191 (((unsigned int)(c[1])) )),c+=2)
192#define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
193 c[1]=(unsigned char)(((s) )&0xff)),c+=2)
194
195#define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \
196 (((unsigned long)(c[1]))<< 8)| \
197 (((unsigned long)(c[2])) )),c+=3)
198
199#define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
200 c[1]=(unsigned char)(((l)>> 8)&0xff), \
201 c[2]=(unsigned char)(((l) )&0xff)),c+=3)
202
203/* LOCAL STUFF */
204
205#define SSL_DECRYPT 0
206#define SSL_ENCRYPT 1
207
208#define TWO_BYTE_BIT 0x80
209#define SEC_ESC_BIT 0x40
210#define TWO_BYTE_MASK 0x7fff
211#define THREE_BYTE_MASK 0x3fff
212
213#define INC32(a) ((a)=((a)+1)&0xffffffffL)
214#define DEC32(a) ((a)=((a)-1)&0xffffffffL)
215#define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
216
217/*
218 * Define the Bitmasks for SSL_CIPHER.algorithms.
219 * This bits are used packed as dense as possible. If new methods/ciphers
220 * etc will be added, the bits a likely to change, so this information
221 * is for internal library use only, even though SSL_CIPHER.algorithms
222 * can be publicly accessed.
223 * Use the according functions for cipher management instead.
224 *
225 * The bit mask handling in the selection and sorting scheme in
226 * ssl_create_cipher_list() has only limited capabilities, reflecting
227 * that the different entities within are mutually exclusive:
228 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
229 */
230#define SSL_MKEY_MASK 0x0000003FL
231#define SSL_kRSA 0x00000001L /* RSA key exchange */
232#define SSL_kDHr 0x00000002L /* DH cert RSA CA cert */
233#define SSL_kDHd 0x00000004L /* DH cert DSA CA cert */
234#define SSL_kFZA 0x00000008L
235#define SSL_kEDH 0x00000010L /* tmp DH key no DH cert */
236#define SSL_kKRB5 0x00000020L /* Kerberos5 key exchange */
237#define SSL_EDH (SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL))
238
239#define SSL_AUTH_MASK 0x00000FC0L
240#define SSL_aRSA 0x00000040L /* Authenticate with RSA */
241#define SSL_aDSS 0x00000080L /* Authenticate with DSS */
242#define SSL_DSS SSL_aDSS
243#define SSL_aFZA 0x00000100L
244#define SSL_aNULL 0x00000200L /* no Authenticate, ADH */
245#define SSL_aDH 0x00000400L /* no Authenticate, ADH */
246#define SSL_aKRB5 0x00000800L /* Authenticate with KRB5 */
247
248#define SSL_NULL (SSL_eNULL)
249#define SSL_ADH (SSL_kEDH|SSL_aNULL)
250#define SSL_RSA (SSL_kRSA|SSL_aRSA)
251#define SSL_DH (SSL_kDHr|SSL_kDHd|SSL_kEDH)
252#define SSL_FZA (SSL_aFZA|SSL_kFZA|SSL_eFZA)
253#define SSL_KRB5 (SSL_kKRB5|SSL_aKRB5)
254
255#define SSL_ENC_MASK 0x0087F000L
256#define SSL_DES 0x00001000L
257#define SSL_3DES 0x00002000L
258#define SSL_RC4 0x00004000L
259#define SSL_RC2 0x00008000L
260#define SSL_IDEA 0x00010000L
261#define SSL_eFZA 0x00020000L
262#define SSL_eNULL 0x00040000L
263#define SSL_AES 0x00800000L
264
265#define SSL_MAC_MASK 0x00180000L
266#define SSL_MD5 0x00080000L
267#define SSL_SHA1 0x00100000L
268#define SSL_SHA (SSL_SHA1)
269
270#define SSL_SSL_MASK 0x00600000L
271#define SSL_SSLV2 0x00200000L
272#define SSL_SSLV3 0x00400000L
273#define SSL_TLSV1 SSL_SSLV3 /* for now */
274
275/* we have used 007fffff - 9 bits left to go */
276
277/*
278 * Export and cipher strength information. For each cipher we have to decide
279 * whether it is exportable or not. This information is likely to change
280 * over time, since the export control rules are no static technical issue.
281 *
282 * Independent of the export flag the cipher strength is sorted into classes.
283 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
284 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
285 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
286 * since SSL_EXP64 could be similar to SSL_LOW.
287 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
288 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
289 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
290 * be possible.
291 */
292#define SSL_EXP_MASK 0x00000003L
293#define SSL_NOT_EXP 0x00000001L
294#define SSL_EXPORT 0x00000002L
295
296#define SSL_STRONG_MASK 0x000000fcL
297#define SSL_STRONG_NONE 0x00000004L
298#define SSL_EXP40 0x00000008L
299#define SSL_MICRO (SSL_EXP40)
300#define SSL_EXP56 0x00000010L
301#define SSL_MINI (SSL_EXP56)
302#define SSL_LOW 0x00000020L
303#define SSL_MEDIUM 0x00000040L
304#define SSL_HIGH 0x00000080L
305
306/* we have used 000000ff - 24 bits left to go */
307
308/*
309 * Macros to check the export status and cipher strength for export ciphers.
310 * Even though the macros for EXPORT and EXPORT40/56 have similar names,
311 * their meaning is different:
312 * *_EXPORT macros check the 'exportable' status.
313 * *_EXPORT40/56 macros are used to check whether a certain cipher strength
314 * is given.
315 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
316 * algorithm structure element to be passed (algorithms, algo_strength) and no
317 * typechecking can be done as they are all of type unsigned long, their
318 * direct usage is discouraged.
319 * Use the SSL_C_* macros instead.
320 */
321#define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
322#define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
323#define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
324#define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
325#define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
326#define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
327
328#define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
329 ((a)&SSL_ENC_MASK) == SSL_DES ? 8 : 7)
330#define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
331#define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithms, \
332 (c)->algo_strength)
333#define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
334
335
336#define SSL_ALL 0xffffffffL
337#define SSL_ALL_CIPHERS (SSL_MKEY_MASK|SSL_AUTH_MASK|SSL_ENC_MASK|\
338 SSL_MAC_MASK)
339#define SSL_ALL_STRENGTHS (SSL_EXP_MASK|SSL_STRONG_MASK)
340
341/* Mostly for SSLv3 */
342#define SSL_PKEY_RSA_ENC 0
343#define SSL_PKEY_RSA_SIGN 1
344#define SSL_PKEY_DSA_SIGN 2
345#define SSL_PKEY_DH_RSA 3
346#define SSL_PKEY_DH_DSA 4
347#define SSL_PKEY_NUM 5
348
349/* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
350 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
351 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
352 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
353 * SSL_aRSA <- RSA_ENC | RSA_SIGN
354 * SSL_aDSS <- DSA_SIGN
355 */
356
357/*
358#define CERT_INVALID 0
359#define CERT_PUBLIC_KEY 1
360#define CERT_PRIVATE_KEY 2
361*/
362
363typedef struct cert_pkey_st
364 {
365 X509 *x509;
366 EVP_PKEY *privatekey;
367 } CERT_PKEY;
368
369typedef struct cert_st
370 {
371 /* Current active set */
372 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
373 * Probably it would make more sense to store
374 * an index, not a pointer. */
375
376 /* The following masks are for the key and auth
377 * algorithms that are supported by the certs below */
378 int valid;
379 unsigned long mask;
380 unsigned long export_mask;
381#ifndef OPENSSL_NO_RSA
382 RSA *rsa_tmp;
383 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
384#endif
385#ifndef OPENSSL_NO_DH
386 DH *dh_tmp;
387 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
388#endif
389
390 CERT_PKEY pkeys[SSL_PKEY_NUM];
391
392 int references; /* >1 only if SSL_copy_session_id is used */
393 } CERT;
394
395
396typedef struct sess_cert_st
397 {
398 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
399
400 /* The 'peer_...' members are used only by clients. */
401 int peer_cert_type;
402
403 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
404 CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
405 /* Obviously we don't have the private keys of these,
406 * so maybe we shouldn't even use the CERT_PKEY type here. */
407
408#ifndef OPENSSL_NO_RSA
409 RSA *peer_rsa_tmp; /* not used for SSL 2 */
410#endif
411#ifndef OPENSSL_NO_DH
412 DH *peer_dh_tmp; /* not used for SSL 2 */
413#endif
414
415 int references; /* actually always 1 at the moment */
416 } SESS_CERT;
417
418
419/*#define MAC_DEBUG */
420
421/*#define ERR_DEBUG */
422/*#define ABORT_DEBUG */
423/*#define PKT_DEBUG 1 */
424/*#define DES_DEBUG */
425/*#define DES_OFB_DEBUG */
426/*#define SSL_DEBUG */
427/*#define RSA_DEBUG */
428/*#define IDEA_DEBUG */
429
430#define FP_ICC (int (*)(const void *,const void *))
431#define ssl_put_cipher_by_char(ssl,ciph,ptr) \
432 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
433#define ssl_get_cipher_by_char(ssl,ptr) \
434 ((ssl)->method->get_cipher_by_char(ptr))
435
436/* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
437 * It is a bit of a mess of functions, but hell, think of it as
438 * an opaque structure :-) */
439typedef struct ssl3_enc_method
440 {
441 int (*enc)(SSL *, int);
442 int (*mac)(SSL *, unsigned char *, int);
443 int (*setup_key_block)(SSL *);
444 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
445 int (*change_cipher_state)(SSL *, int);
446 int (*final_finish_mac)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char *, int, unsigned char *);
447 int finish_mac_length;
448 int (*cert_verify_mac)(SSL *, EVP_MD_CTX *, unsigned char *);
449 const char *client_finished_label;
450 int client_finished_label_len;
451 const char *server_finished_label;
452 int server_finished_label_len;
453 int (*alert_value)(int);
454 } SSL3_ENC_METHOD;
455
456/* Used for holding the relevant compression methods loaded into SSL_CTX */
457typedef struct ssl3_comp_st
458 {
459 int comp_id; /* The identifier byte for this compression type */
460 char *name; /* Text name used for the compression type */
461 COMP_METHOD *method; /* The method :-) */
462 } SSL3_COMP;
463
464OPENSSL_EXTERN SSL3_ENC_METHOD ssl3_undef_enc_method;
465OPENSSL_EXTERN SSL_CIPHER ssl2_ciphers[];
466OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
467
468#ifdef OPENSSL_SYS_VMS
469#undef SSL_COMP_get_compression_methods
470#define SSL_COMP_get_compression_methods SSL_COMP_get_compress_methods
471#endif
472
473
474SSL_METHOD *ssl_bad_method(int ver);
475SSL_METHOD *sslv2_base_method(void);
476SSL_METHOD *sslv23_base_method(void);
477SSL_METHOD *sslv3_base_method(void);
478
479void ssl_clear_cipher_ctx(SSL *s);
480int ssl_clear_bad_session(SSL *s);
481CERT *ssl_cert_new(void);
482CERT *ssl_cert_dup(CERT *cert);
483int ssl_cert_inst(CERT **o);
484void ssl_cert_free(CERT *c);
485SESS_CERT *ssl_sess_cert_new(void);
486void ssl_sess_cert_free(SESS_CERT *sc);
487int ssl_set_peer_cert_type(SESS_CERT *c, int type);
488int ssl_get_new_session(SSL *s, int session);
489int ssl_get_prev_session(SSL *s, unsigned char *session,int len);
490int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
491int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
492 const SSL_CIPHER * const *bp);
493STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
494 STACK_OF(SSL_CIPHER) **skp);
495int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p);
496STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
497 STACK_OF(SSL_CIPHER) **pref,
498 STACK_OF(SSL_CIPHER) **sorted,
499 const char *rule_str);
500void ssl_update_cache(SSL *s, int mode);
501int ssl_cipher_get_evp(SSL_SESSION *s,const EVP_CIPHER **enc,const EVP_MD **md,
502 SSL_COMP **comp);
503int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
504int ssl_undefined_function(SSL *s);
505X509 *ssl_get_server_send_cert(SSL *);
506EVP_PKEY *ssl_get_sign_pkey(SSL *,SSL_CIPHER *);
507int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
508void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher);
509STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
510int ssl_verify_alarm_type(long type);
511
512int ssl2_enc_init(SSL *s, int client);
513int ssl2_generate_key_material(SSL *s);
514void ssl2_enc(SSL *s,int send_data);
515void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
516SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
517int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
518int ssl2_part_read(SSL *s, unsigned long f, int i);
519int ssl2_do_write(SSL *s);
520int ssl2_set_certificate(SSL *s, int type, int len, unsigned char *data);
521void ssl2_return_error(SSL *s,int reason);
522void ssl2_write_error(SSL *s);
523int ssl2_num_ciphers(void);
524SSL_CIPHER *ssl2_get_cipher(unsigned int u);
525int ssl2_new(SSL *s);
526void ssl2_free(SSL *s);
527int ssl2_accept(SSL *s);
528int ssl2_connect(SSL *s);
529int ssl2_read(SSL *s, void *buf, int len);
530int ssl2_peek(SSL *s, void *buf, int len);
531int ssl2_write(SSL *s, const void *buf, int len);
532int ssl2_shutdown(SSL *s);
533void ssl2_clear(SSL *s);
534long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
535long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
536long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)());
537long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)());
538int ssl2_pending(SSL *s);
539
540SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
541int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
542void ssl3_init_finished_mac(SSL *s);
543int ssl3_send_server_certificate(SSL *s);
544int ssl3_get_finished(SSL *s,int state_a,int state_b);
545int ssl3_setup_key_block(SSL *s);
546int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
547int ssl3_change_cipher_state(SSL *s,int which);
548void ssl3_cleanup_key_block(SSL *s);
549int ssl3_do_write(SSL *s,int type);
550void ssl3_send_alert(SSL *s,int level, int desc);
551int ssl3_generate_master_secret(SSL *s, unsigned char *out,
552 unsigned char *p, int len);
553int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
554long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
555int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
556int ssl3_num_ciphers(void);
557SSL_CIPHER *ssl3_get_cipher(unsigned int u);
558int ssl3_renegotiate(SSL *ssl);
559int ssl3_renegotiate_check(SSL *ssl);
560int ssl3_dispatch_alert(SSL *s);
561int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
562int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
563int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2,
564 const char *sender, int slen,unsigned char *p);
565int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
566void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
567int ssl3_enc(SSL *s, int send_data);
568int ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
569unsigned long ssl3_output_cert_chain(SSL *s, X509 *x);
570SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
571 STACK_OF(SSL_CIPHER) *srvr);
572int ssl3_setup_buffers(SSL *s);
573int ssl3_new(SSL *s);
574void ssl3_free(SSL *s);
575int ssl3_accept(SSL *s);
576int ssl3_connect(SSL *s);
577int ssl3_read(SSL *s, void *buf, int len);
578int ssl3_peek(SSL *s, void *buf, int len);
579int ssl3_write(SSL *s, const void *buf, int len);
580int ssl3_shutdown(SSL *s);
581void ssl3_clear(SSL *s);
582long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
583long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
584long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)());
585long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)());
586int ssl3_pending(SSL *s);
587
588int ssl23_accept(SSL *s);
589int ssl23_connect(SSL *s);
590int ssl23_read_bytes(SSL *s, int n);
591int ssl23_write_bytes(SSL *s);
592
593int tls1_new(SSL *s);
594void tls1_free(SSL *s);
595void tls1_clear(SSL *s);
596long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
597long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)());
598SSL_METHOD *tlsv1_base_method(void );
599
600int ssl_init_wbio_buffer(SSL *s, int push);
601void ssl_free_wbio_buffer(SSL *s);
602
603int tls1_change_cipher_state(SSL *s, int which);
604int tls1_setup_key_block(SSL *s);
605int tls1_enc(SSL *s, int snd);
606int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx,
607 const char *str, int slen, unsigned char *p);
608int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
609int tls1_mac(SSL *ssl, unsigned char *md, int snd);
610int tls1_generate_master_secret(SSL *s, unsigned char *out,
611 unsigned char *p, int len);
612int tls1_alert_code(int code);
613int ssl3_alert_code(int code);
614int ssl_ok(SSL *s);
615
616SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
617STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
618
619
620#endif
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