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) 1998-2001 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.
117 #ifndef HEADER_SSL_LOCL_H
118 #define HEADER_SSL_LOCL_H
126 #include <openssl/buffer.h>
127 #ifndef OPENSSL_NO_COMP
128 #include <openssl/comp.h>
130 #include <openssl/bio.h>
131 #include <openssl/stack.h>
132 #ifndef OPENSSL_NO_RSA
133 #include <openssl/rsa.h>
135 #ifndef OPENSSL_NO_DSA
136 #include <openssl/dsa.h>
138 #include <openssl/err.h>
139 #include <openssl/ssl.h>
140 #include <openssl/symhacks.h>
142 #ifdef OPENSSL_BUILD_SHLIBSSL
143 # undef OPENSSL_EXTERN
144 # define OPENSSL_EXTERN OPENSSL_EXPORT
149 #define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
150 l|=(((unsigned long)(*((c)++)))<< 8), \
151 l|=(((unsigned long)(*((c)++)))<<16), \
152 l|=(((unsigned long)(*((c)++)))<<24))
154 /* NOTE - c is not incremented as per c2l */
155 #define c2ln(c,l1,l2,n) { \
159 case 8: l2 =((unsigned long)(*(--(c))))<<24; \
160 case 7: l2|=((unsigned long)(*(--(c))))<<16; \
161 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
162 case 5: l2|=((unsigned long)(*(--(c)))); \
163 case 4: l1 =((unsigned long)(*(--(c))))<<24; \
164 case 3: l1|=((unsigned long)(*(--(c))))<<16; \
165 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
166 case 1: l1|=((unsigned long)(*(--(c)))); \
170 #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
171 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
172 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
173 *((c)++)=(unsigned char)(((l)>>24)&0xff))
175 #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
176 l|=((unsigned long)(*((c)++)))<<16, \
177 l|=((unsigned long)(*((c)++)))<< 8, \
178 l|=((unsigned long)(*((c)++))))
180 #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
181 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
182 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
183 *((c)++)=(unsigned char)(((l) )&0xff))
185 #define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
186 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
187 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
188 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
189 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
190 *((c)++)=(unsigned char)(((l) )&0xff))
192 #define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \
193 *((c)++)=(unsigned char)(((l)>>48)&0xff), \
194 *((c)++)=(unsigned char)(((l)>>40)&0xff), \
195 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
196 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
197 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
198 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
199 *((c)++)=(unsigned char)(((l) )&0xff))
201 #define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \
202 l|=((BN_ULLONG)(*((c)++)))<<32, \
203 l|=((BN_ULLONG)(*((c)++)))<<24, \
204 l|=((BN_ULLONG)(*((c)++)))<<16, \
205 l|=((BN_ULLONG)(*((c)++)))<< 8, \
206 l|=((BN_ULLONG)(*((c)++))))
208 /* NOTE - c is not incremented as per l2c */
209 #define l2cn(l1,l2,c,n) { \
212 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
213 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
214 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
215 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
216 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
217 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
218 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
219 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
223 #define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \
224 (((unsigned int)(c[1])) )),c+=2)
225 #define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
226 c[1]=(unsigned char)(((s) )&0xff)),c+=2)
228 #define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \
229 (((unsigned long)(c[1]))<< 8)| \
230 (((unsigned long)(c[2])) )),c+=3)
232 #define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
233 c[1]=(unsigned char)(((l)>> 8)&0xff), \
234 c[2]=(unsigned char)(((l) )&0xff)),c+=3)
238 #define SSL_DECRYPT 0
239 #define SSL_ENCRYPT 1
241 #define TWO_BYTE_BIT 0x80
242 #define SEC_ESC_BIT 0x40
243 #define TWO_BYTE_MASK 0x7fff
244 #define THREE_BYTE_MASK 0x3fff
246 #define INC32(a) ((a)=((a)+1)&0xffffffffL)
247 #define DEC32(a) ((a)=((a)-1)&0xffffffffL)
248 #define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
251 * Define the Bitmasks for SSL_CIPHER.algorithms.
252 * This bits are used packed as dense as possible. If new methods/ciphers
253 * etc will be added, the bits a likely to change, so this information
254 * is for internal library use only, even though SSL_CIPHER.algorithms
255 * can be publicly accessed.
256 * Use the according functions for cipher management instead.
258 * The bit mask handling in the selection and sorting scheme in
259 * ssl_create_cipher_list() has only limited capabilities, reflecting
260 * that the different entities within are mutually exclusive:
261 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
263 #define SSL_MKEY_MASK 0x000000FFL
264 #define SSL_kRSA 0x00000001L /* RSA key exchange */
265 #define SSL_kDHr 0x00000002L /* DH cert RSA CA cert */
266 #define SSL_kDHd 0x00000004L /* DH cert DSA CA cert */
267 #define SSL_kFZA 0x00000008L
268 #define SSL_kEDH 0x00000010L /* tmp DH key no DH cert */
269 #define SSL_kKRB5 0x00000020L /* Kerberos5 key exchange */
270 #define SSL_kECDH 0x00000040L /* ECDH w/ long-term keys */
271 #define SSL_kECDHE 0x00000080L /* ephemeral ECDH */
272 #define SSL_EDH (SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL))
274 #define SSL_AUTH_MASK 0x00007F00L
275 #define SSL_aRSA 0x00000100L /* Authenticate with RSA */
276 #define SSL_aDSS 0x00000200L /* Authenticate with DSS */
277 #define SSL_DSS SSL_aDSS
278 #define SSL_aFZA 0x00000400L
279 #define SSL_aNULL 0x00000800L /* no Authenticate, ADH */
280 #define SSL_aDH 0x00001000L /* no Authenticate, ADH */
281 #define SSL_aKRB5 0x00002000L /* Authenticate with KRB5 */
282 #define SSL_aECDSA 0x00004000L /* Authenticate with ECDSA */
284 #define SSL_NULL (SSL_eNULL)
285 #define SSL_ADH (SSL_kEDH|SSL_aNULL)
286 #define SSL_RSA (SSL_kRSA|SSL_aRSA)
287 #define SSL_DH (SSL_kDHr|SSL_kDHd|SSL_kEDH)
288 #define SSL_ECDH (SSL_kECDH|SSL_kECDHE)
289 #define SSL_FZA (SSL_aFZA|SSL_kFZA|SSL_eFZA)
290 #define SSL_KRB5 (SSL_kKRB5|SSL_aKRB5)
292 #define SSL_ENC_MASK 0x1C3F8000L
293 #define SSL_DES 0x00008000L
294 #define SSL_3DES 0x00010000L
295 #define SSL_RC4 0x00020000L
296 #define SSL_RC2 0x00040000L
297 #define SSL_IDEA 0x00080000L
298 #define SSL_eFZA 0x00100000L
299 #define SSL_eNULL 0x00200000L
300 #define SSL_AES 0x04000000L
301 #define SSL_CAMELLIA 0x08000000L
302 #define SSL_SEED 0x10000000L
304 #define SSL_MAC_MASK 0x00c00000L
305 #define SSL_MD5 0x00400000L
306 #define SSL_SHA1 0x00800000L
307 #define SSL_SHA (SSL_SHA1)
309 #define SSL_SSL_MASK 0x03000000L
310 #define SSL_SSLV2 0x01000000L
311 #define SSL_SSLV3 0x02000000L
312 #define SSL_TLSV1 SSL_SSLV3 /* for now */
314 /* we have used 1fffffff - 3 bits left to go. */
317 * Export and cipher strength information. For each cipher we have to decide
318 * whether it is exportable or not. This information is likely to change
319 * over time, since the export control rules are no static technical issue.
321 * Independent of the export flag the cipher strength is sorted into classes.
322 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
323 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
324 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
325 * since SSL_EXP64 could be similar to SSL_LOW.
326 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
327 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
328 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
331 #define SSL_EXP_MASK 0x00000003L
332 #define SSL_NOT_EXP 0x00000001L
333 #define SSL_EXPORT 0x00000002L
335 #define SSL_STRONG_MASK 0x000000fcL
336 #define SSL_STRONG_NONE 0x00000004L
337 #define SSL_EXP40 0x00000008L
338 #define SSL_MICRO (SSL_EXP40)
339 #define SSL_EXP56 0x00000010L
340 #define SSL_MINI (SSL_EXP56)
341 #define SSL_LOW 0x00000020L
342 #define SSL_MEDIUM 0x00000040L
343 #define SSL_HIGH 0x00000080L
344 #define SSL_FIPS 0x00000100L
346 /* we have used 000001ff - 23 bits left to go */
349 * Macros to check the export status and cipher strength for export ciphers.
350 * Even though the macros for EXPORT and EXPORT40/56 have similar names,
351 * their meaning is different:
352 * *_EXPORT macros check the 'exportable' status.
353 * *_EXPORT40/56 macros are used to check whether a certain cipher strength
355 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
356 * algorithm structure element to be passed (algorithms, algo_strength) and no
357 * typechecking can be done as they are all of type unsigned long, their
358 * direct usage is discouraged.
359 * Use the SSL_C_* macros instead.
361 #define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
362 #define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
363 #define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
364 #define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
365 #define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
366 #define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
368 #define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
369 ((a)&SSL_ENC_MASK) == SSL_DES ? 8 : 7)
370 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
371 #define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithms, \
373 #define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
376 #define SSL_ALL 0xffffffffL
377 #define SSL_ALL_CIPHERS (SSL_MKEY_MASK|SSL_AUTH_MASK|SSL_ENC_MASK|\
379 #define SSL_ALL_STRENGTHS (SSL_EXP_MASK|SSL_STRONG_MASK)
381 /* Mostly for SSLv3 */
382 #define SSL_PKEY_RSA_ENC 0
383 #define SSL_PKEY_RSA_SIGN 1
384 #define SSL_PKEY_DSA_SIGN 2
385 #define SSL_PKEY_DH_RSA 3
386 #define SSL_PKEY_DH_DSA 4
387 #define SSL_PKEY_ECC 5
388 #define SSL_PKEY_NUM 6
390 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
391 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
392 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
393 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
394 * SSL_aRSA <- RSA_ENC | RSA_SIGN
395 * SSL_aDSS <- DSA_SIGN
399 #define CERT_INVALID 0
400 #define CERT_PUBLIC_KEY 1
401 #define CERT_PRIVATE_KEY 2
404 #ifndef OPENSSL_NO_EC
405 /* From ECC-TLS draft, used in encoding the curve type in
408 #define EXPLICIT_PRIME_CURVE_TYPE 1
409 #define EXPLICIT_CHAR2_CURVE_TYPE 2
410 #define NAMED_CURVE_TYPE 3
411 #endif /* OPENSSL_NO_EC */
413 typedef struct cert_pkey_st
416 EVP_PKEY *privatekey;
419 typedef struct cert_st
421 /* Current active set */
422 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
423 * Probably it would make more sense to store
424 * an index, not a pointer. */
426 /* The following masks are for the key and auth
427 * algorithms that are supported by the certs below */
430 unsigned long export_mask;
431 #ifndef OPENSSL_NO_RSA
433 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
435 #ifndef OPENSSL_NO_DH
437 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
439 #ifndef OPENSSL_NO_ECDH
441 /* Callback for generating ephemeral ECDH keys */
442 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
445 CERT_PKEY pkeys[SSL_PKEY_NUM];
447 int references; /* >1 only if SSL_copy_session_id is used */
451 typedef struct sess_cert_st
453 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
455 /* The 'peer_...' members are used only by clients. */
458 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
459 CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
460 /* Obviously we don't have the private keys of these,
461 * so maybe we shouldn't even use the CERT_PKEY type here. */
463 #ifndef OPENSSL_NO_RSA
464 RSA *peer_rsa_tmp; /* not used for SSL 2 */
466 #ifndef OPENSSL_NO_DH
467 DH *peer_dh_tmp; /* not used for SSL 2 */
469 #ifndef OPENSSL_NO_ECDH
470 EC_KEY *peer_ecdh_tmp;
473 int references; /* actually always 1 at the moment */
477 /*#define MAC_DEBUG */
479 /*#define ERR_DEBUG */
480 /*#define ABORT_DEBUG */
481 /*#define PKT_DEBUG 1 */
482 /*#define DES_DEBUG */
483 /*#define DES_OFB_DEBUG */
484 /*#define SSL_DEBUG */
485 /*#define RSA_DEBUG */
486 /*#define IDEA_DEBUG */
488 #define FP_ICC (int (*)(const void *,const void *))
489 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \
490 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
491 #define ssl_get_cipher_by_char(ssl,ptr) \
492 ((ssl)->method->get_cipher_by_char(ptr))
494 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
495 * It is a bit of a mess of functions, but hell, think of it as
496 * an opaque structure :-) */
497 typedef struct ssl3_enc_method
499 int (*enc)(SSL *, int);
500 int (*mac)(SSL *, unsigned char *, int);
501 int (*setup_key_block)(SSL *);
502 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
503 int (*change_cipher_state)(SSL *, int);
504 int (*final_finish_mac)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char *, int, unsigned char *);
505 int finish_mac_length;
506 int (*cert_verify_mac)(SSL *, EVP_MD_CTX *, unsigned char *);
507 const char *client_finished_label;
508 int client_finished_label_len;
509 const char *server_finished_label;
510 int server_finished_label_len;
511 int (*alert_value)(int);
514 #ifndef OPENSSL_NO_COMP
515 /* Used for holding the relevant compression methods loaded into SSL_CTX */
516 typedef struct ssl3_comp_st
518 int comp_id; /* The identifier byte for this compression type */
519 char *name; /* Text name used for the compression type */
520 COMP_METHOD *method; /* The method :-) */
524 extern SSL3_ENC_METHOD ssl3_undef_enc_method;
525 OPENSSL_EXTERN SSL_CIPHER ssl2_ciphers[];
526 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
529 SSL_METHOD *ssl_bad_method(int ver);
530 SSL_METHOD *sslv2_base_method(void);
531 SSL_METHOD *sslv23_base_method(void);
532 SSL_METHOD *sslv3_base_method(void);
534 extern SSL3_ENC_METHOD TLSv1_enc_data;
535 extern SSL3_ENC_METHOD SSLv3_enc_data;
536 extern SSL3_ENC_METHOD DTLSv1_enc_data;
538 #define IMPLEMENT_tls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
539 SSL_METHOD *func_name(void) \
541 static SSL_METHOD func_name##_data= { \
553 ssl3_renegotiate_check, \
557 ssl3_dispatch_alert, \
560 ssl3_get_cipher_by_char, \
561 ssl3_put_cipher_by_char, \
566 tls1_default_timeout, \
568 ssl_undefined_void_function, \
569 ssl3_callback_ctrl, \
570 ssl3_ctx_callback_ctrl, \
572 return &func_name##_data; \
575 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
576 SSL_METHOD *func_name(void) \
578 static SSL_METHOD func_name##_data= { \
590 ssl3_renegotiate_check, \
594 ssl3_dispatch_alert, \
597 ssl3_get_cipher_by_char, \
598 ssl3_put_cipher_by_char, \
603 ssl3_default_timeout, \
605 ssl_undefined_void_function, \
606 ssl3_callback_ctrl, \
607 ssl3_ctx_callback_ctrl, \
609 return &func_name##_data; \
612 #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
613 SSL_METHOD *func_name(void) \
615 static SSL_METHOD func_name##_data= { \
625 ssl_undefined_function, \
626 ssl_undefined_function, \
631 ssl3_dispatch_alert, \
634 ssl23_get_cipher_by_char, \
635 ssl23_put_cipher_by_char, \
636 ssl_undefined_const_function, \
640 ssl23_default_timeout, \
641 &ssl3_undef_enc_method, \
642 ssl_undefined_void_function, \
643 ssl3_callback_ctrl, \
644 ssl3_ctx_callback_ctrl, \
646 return &func_name##_data; \
649 #define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
650 SSL_METHOD *func_name(void) \
652 static SSL_METHOD func_name##_data= { \
654 ssl2_new, /* local */ \
655 ssl2_clear, /* local */ \
656 ssl2_free, /* local */ \
663 ssl_ok, /* NULL - renegotiate */ \
664 ssl_ok, /* NULL - check renegotiate */ \
665 NULL, /* NULL - ssl_get_message */ \
666 NULL, /* NULL - ssl_get_record */ \
667 NULL, /* NULL - ssl_write_bytes */ \
668 NULL, /* NULL - dispatch_alert */ \
669 ssl2_ctrl, /* local */ \
670 ssl2_ctx_ctrl, /* local */ \
671 ssl2_get_cipher_by_char, \
672 ssl2_put_cipher_by_char, \
677 ssl2_default_timeout, \
678 &ssl3_undef_enc_method, \
679 ssl_undefined_void_function, \
680 ssl2_callback_ctrl, /* local */ \
681 ssl2_ctx_callback_ctrl, /* local */ \
683 return &func_name##_data; \
686 #define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
687 SSL_METHOD *func_name(void) \
689 static SSL_METHOD func_name##_data= { \
701 ssl3_renegotiate_check, \
704 dtls1_write_app_data_bytes, \
705 dtls1_dispatch_alert, \
708 ssl3_get_cipher_by_char, \
709 ssl3_put_cipher_by_char, \
714 dtls1_default_timeout, \
716 ssl_undefined_void_function, \
717 ssl3_callback_ctrl, \
718 ssl3_ctx_callback_ctrl, \
720 return &func_name##_data; \
723 void ssl_clear_cipher_ctx(SSL *s);
724 int ssl_clear_bad_session(SSL *s);
725 CERT *ssl_cert_new(void);
726 CERT *ssl_cert_dup(CERT *cert);
727 int ssl_cert_inst(CERT **o);
728 void ssl_cert_free(CERT *c);
729 SESS_CERT *ssl_sess_cert_new(void);
730 void ssl_sess_cert_free(SESS_CERT *sc);
731 int ssl_set_peer_cert_type(SESS_CERT *c, int type);
732 int ssl_get_new_session(SSL *s, int session);
733 int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit);
734 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
735 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
736 const SSL_CIPHER * const *bp);
737 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
738 STACK_OF(SSL_CIPHER) **skp);
739 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
740 int (*put_cb)(const SSL_CIPHER *, unsigned char *));
741 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
742 STACK_OF(SSL_CIPHER) **pref,
743 STACK_OF(SSL_CIPHER) **sorted,
744 const char *rule_str);
745 void ssl_update_cache(SSL *s, int mode);
746 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
747 const EVP_MD **md,SSL_COMP **comp);
748 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
749 int ssl_undefined_function(SSL *s);
750 int ssl_undefined_void_function(void);
751 int ssl_undefined_const_function(const SSL *s);
752 CERT_PKEY *ssl_get_server_send_pkey(const SSL *s);
753 X509 *ssl_get_server_send_cert(const SSL *);
754 EVP_PKEY *ssl_get_sign_pkey(SSL *,SSL_CIPHER *);
755 int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
756 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher);
757 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
758 int ssl_verify_alarm_type(long type);
759 void ssl_load_ciphers(void);
761 int ssl2_enc_init(SSL *s, int client);
762 int ssl2_generate_key_material(SSL *s);
763 void ssl2_enc(SSL *s,int send_data);
764 void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
765 SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
766 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
767 int ssl2_part_read(SSL *s, unsigned long f, int i);
768 int ssl2_do_write(SSL *s);
769 int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data);
770 void ssl2_return_error(SSL *s,int reason);
771 void ssl2_write_error(SSL *s);
772 int ssl2_num_ciphers(void);
773 SSL_CIPHER *ssl2_get_cipher(unsigned int u);
774 int ssl2_new(SSL *s);
775 void ssl2_free(SSL *s);
776 int ssl2_accept(SSL *s);
777 int ssl2_connect(SSL *s);
778 int ssl2_read(SSL *s, void *buf, int len);
779 int ssl2_peek(SSL *s, void *buf, int len);
780 int ssl2_write(SSL *s, const void *buf, int len);
781 int ssl2_shutdown(SSL *s);
782 void ssl2_clear(SSL *s);
783 long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
784 long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
785 long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
786 long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
787 int ssl2_pending(const SSL *s);
788 long ssl2_default_timeout(void );
790 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
791 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
792 void ssl3_init_finished_mac(SSL *s);
793 int ssl3_send_server_certificate(SSL *s);
794 int ssl3_send_newsession_ticket(SSL *s);
795 int ssl3_send_cert_status(SSL *s);
796 int ssl3_get_finished(SSL *s,int state_a,int state_b);
797 int ssl3_setup_key_block(SSL *s);
798 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
799 int ssl3_change_cipher_state(SSL *s,int which);
800 void ssl3_cleanup_key_block(SSL *s);
801 int ssl3_do_write(SSL *s,int type);
802 int ssl3_send_alert(SSL *s,int level, int desc);
803 int ssl3_generate_master_secret(SSL *s, unsigned char *out,
804 unsigned char *p, int len);
805 int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
806 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
807 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
808 int ssl3_num_ciphers(void);
809 SSL_CIPHER *ssl3_get_cipher(unsigned int u);
810 int ssl3_renegotiate(SSL *ssl);
811 int ssl3_renegotiate_check(SSL *ssl);
812 int ssl3_dispatch_alert(SSL *s);
813 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
814 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
815 int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2,
816 const char *sender, int slen,unsigned char *p);
817 int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
818 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
819 int ssl3_enc(SSL *s, int send_data);
820 int ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
821 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x);
822 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
823 STACK_OF(SSL_CIPHER) *srvr);
824 int ssl3_setup_buffers(SSL *s);
825 int ssl3_new(SSL *s);
826 void ssl3_free(SSL *s);
827 int ssl3_accept(SSL *s);
828 int ssl3_connect(SSL *s);
829 int ssl3_read(SSL *s, void *buf, int len);
830 int ssl3_peek(SSL *s, void *buf, int len);
831 int ssl3_write(SSL *s, const void *buf, int len);
832 int ssl3_shutdown(SSL *s);
833 void ssl3_clear(SSL *s);
834 long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
835 long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
836 long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
837 long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
838 int ssl3_pending(const SSL *s);
840 void ssl3_record_sequence_update(unsigned char *seq);
841 int ssl3_do_change_cipher_spec(SSL *ssl);
842 long ssl3_default_timeout(void );
844 int ssl23_num_ciphers(void );
845 SSL_CIPHER *ssl23_get_cipher(unsigned int u);
846 int ssl23_read(SSL *s, void *buf, int len);
847 int ssl23_peek(SSL *s, void *buf, int len);
848 int ssl23_write(SSL *s, const void *buf, int len);
849 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
850 SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
851 long ssl23_default_timeout(void );
853 long tls1_default_timeout(void);
854 int dtls1_do_write(SSL *s,int type);
855 int ssl3_read_n(SSL *s, int n, int max, int extend);
856 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
857 int ssl3_do_compress(SSL *ssl);
858 int ssl3_do_uncompress(SSL *ssl);
859 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
861 unsigned char *dtls1_set_message_header(SSL *s,
862 unsigned char *p, unsigned char mt, unsigned long len,
863 unsigned long frag_off, unsigned long frag_len);
865 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
866 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
868 int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
869 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
870 unsigned long dtls1_output_cert_chain(SSL *s, X509 *x);
871 int dtls1_read_failed(SSL *s, int code);
872 int dtls1_buffer_message(SSL *s, int ccs);
873 int dtls1_retransmit_message(SSL *s, unsigned short seq,
874 unsigned long frag_off, int *found);
875 int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
876 int dtls1_retransmit_buffered_messages(SSL *s);
877 void dtls1_clear_record_buffer(SSL *s);
878 void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
879 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
880 void dtls1_reset_seq_numbers(SSL *s, int rw);
881 long dtls1_default_timeout(void);
882 struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft);
883 int dtls1_check_timeout_num(SSL *s);
884 int dtls1_handle_timeout(SSL *s);
885 SSL_CIPHER *dtls1_get_cipher(unsigned int u);
886 void dtls1_start_timer(SSL *s);
887 void dtls1_stop_timer(SSL *s);
888 int dtls1_is_timer_expired(SSL *s);
889 void dtls1_double_timeout(SSL *s);
890 int dtls1_send_newsession_ticket(SSL *s);
891 unsigned int dtls1_min_mtu(void);
894 /* some client-only functions */
895 int ssl3_client_hello(SSL *s);
896 int ssl3_get_server_hello(SSL *s);
897 int ssl3_get_certificate_request(SSL *s);
898 int ssl3_get_new_session_ticket(SSL *s);
899 int ssl3_get_cert_status(SSL *s);
900 int ssl3_get_server_done(SSL *s);
901 int ssl3_send_client_verify(SSL *s);
902 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
903 int ssl3_send_client_certificate(SSL *s);
904 int ssl3_send_client_key_exchange(SSL *s);
905 int ssl3_get_key_exchange(SSL *s);
906 int ssl3_get_server_certificate(SSL *s);
907 int ssl3_check_cert_and_algorithm(SSL *s);
908 #ifndef OPENSSL_NO_TLSEXT
909 int ssl3_check_finished(SSL *s);
912 int dtls1_client_hello(SSL *s);
913 int dtls1_send_client_certificate(SSL *s);
914 int dtls1_send_client_key_exchange(SSL *s);
915 int dtls1_send_client_verify(SSL *s);
917 /* some server-only functions */
918 int ssl3_get_client_hello(SSL *s);
919 int ssl3_send_server_hello(SSL *s);
920 int ssl3_send_hello_request(SSL *s);
921 int ssl3_send_server_key_exchange(SSL *s);
922 int ssl3_send_certificate_request(SSL *s);
923 int ssl3_send_server_done(SSL *s);
924 int ssl3_check_client_hello(SSL *s);
925 int ssl3_get_client_certificate(SSL *s);
926 int ssl3_get_client_key_exchange(SSL *s);
927 int ssl3_get_cert_verify(SSL *s);
929 int dtls1_send_hello_request(SSL *s);
930 int dtls1_send_server_hello(SSL *s);
931 int dtls1_send_server_certificate(SSL *s);
932 int dtls1_send_server_key_exchange(SSL *s);
933 int dtls1_send_certificate_request(SSL *s);
934 int dtls1_send_server_done(SSL *s);
938 int ssl23_accept(SSL *s);
939 int ssl23_connect(SSL *s);
940 int ssl23_read_bytes(SSL *s, int n);
941 int ssl23_write_bytes(SSL *s);
943 int tls1_new(SSL *s);
944 void tls1_free(SSL *s);
945 void tls1_clear(SSL *s);
946 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
947 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
948 SSL_METHOD *tlsv1_base_method(void );
950 int dtls1_new(SSL *s);
951 int dtls1_accept(SSL *s);
952 int dtls1_connect(SSL *s);
953 void dtls1_free(SSL *s);
954 void dtls1_clear(SSL *s);
955 long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg);
956 SSL_METHOD *dtlsv1_base_method(void );
958 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
959 int dtls1_get_record(SSL *s);
960 int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
961 unsigned int len, int create_empty_fragement);
962 int dtls1_dispatch_alert(SSL *s);
963 int dtls1_enc(SSL *s, int snd);
965 int ssl_init_wbio_buffer(SSL *s, int push);
966 void ssl_free_wbio_buffer(SSL *s);
968 int tls1_change_cipher_state(SSL *s, int which);
969 int tls1_setup_key_block(SSL *s);
970 int tls1_enc(SSL *s, int snd);
971 int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx,
972 const char *str, int slen, unsigned char *p);
973 int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
974 int tls1_mac(SSL *ssl, unsigned char *md, int snd);
975 int tls1_generate_master_secret(SSL *s, unsigned char *out,
976 unsigned char *p, int len);
977 int tls1_alert_code(int code);
978 int ssl3_alert_code(int code);
981 int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs);
983 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
985 #ifndef OPENSSL_NO_TLSEXT
986 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
987 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
988 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
989 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
990 int ssl_prepare_clienthello_tlsext(SSL *s);
991 int ssl_prepare_serverhello_tlsext(SSL *s);
992 int ssl_check_clienthello_tlsext_early(SSL *s);
993 int ssl_check_clienthello_tlsext_late(SSL *s);
994 int ssl_check_serverhello_tlsext(SSL *s);
996 #ifdef OPENSSL_NO_SHA256
997 #define tlsext_tick_md EVP_sha1
999 #define tlsext_tick_md EVP_sha256
1001 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
1002 const unsigned char *limit, SSL_SESSION **ret);
1003 EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ;
1004 void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
1006 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1008 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1010 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1012 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1016 void ssl3_cbc_copy_mac(unsigned char* out,
1017 const SSL3_RECORD *rec,
1018 unsigned md_size,unsigned orig_len);
1019 int ssl3_cbc_remove_padding(const SSL* s,
1021 unsigned block_size,
1023 int tls1_cbc_remove_padding(const SSL* s,
1025 unsigned block_size,
1027 char ssl3_cbc_record_digest_supported(const EVP_MD *hash);
1028 void ssl3_cbc_digest_record(
1030 unsigned char* md_out,
1031 size_t* md_out_size,
1032 const unsigned char header[13],
1033 const unsigned char *data,
1034 size_t data_plus_mac_size,
1035 size_t data_plus_mac_plus_padding_size,
1036 const unsigned char *mac_secret,
1037 unsigned mac_secret_length,
1040 void tls_fips_digest_extra(
1041 const EVP_CIPHER_CTX *cipher_ctx, const EVP_MD *hash, HMAC_CTX *hctx,
1042 const unsigned char *data, size_t data_len, size_t orig_len);