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 */
250 # define MAX_WARN_ALERT_COUNT 5
253 * Define the Bitmasks for SSL_CIPHER.algorithms.
254 * This bits are used packed as dense as possible. If new methods/ciphers
255 * etc will be added, the bits a likely to change, so this information
256 * is for internal library use only, even though SSL_CIPHER.algorithms
257 * can be publicly accessed.
258 * Use the according functions for cipher management instead.
260 * The bit mask handling in the selection and sorting scheme in
261 * ssl_create_cipher_list() has only limited capabilities, reflecting
262 * that the different entities within are mutually exclusive:
263 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
265 # define SSL_MKEY_MASK 0x000000FFL
266 /* RSA key exchange */
267 # define SSL_kRSA 0x00000001L
268 /* DH cert RSA CA cert */
269 # define SSL_kDHr 0x00000002L
270 /* DH cert DSA CA cert */
271 # define SSL_kDHd 0x00000004L
272 # define SSL_kFZA 0x00000008L
273 /* tmp DH key no DH cert */
274 # define SSL_kEDH 0x00000010L
275 /* Kerberos5 key exchange */
276 # define SSL_kKRB5 0x00000020L
277 /* ECDH w/ long-term keys */
278 # define SSL_kECDH 0x00000040L
280 # define SSL_kECDHE 0x00000080L
281 # define SSL_EDH (SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL))
283 # define SSL_AUTH_MASK 0x00007F00L
284 /* Authenticate with RSA */
285 # define SSL_aRSA 0x00000100L
286 /* Authenticate with DSS */
287 # define SSL_aDSS 0x00000200L
288 # define SSL_DSS SSL_aDSS
289 # define SSL_aFZA 0x00000400L
290 /* no Authenticate, ADH */
291 # define SSL_aNULL 0x00000800L
292 /* no Authenticate, ADH */
293 # define SSL_aDH 0x00001000L
294 /* Authenticate with KRB5 */
295 # define SSL_aKRB5 0x00002000L
296 /* Authenticate with ECDSA */
297 # define SSL_aECDSA 0x00004000L
299 # define SSL_NULL (SSL_eNULL)
300 # define SSL_ADH (SSL_kEDH|SSL_aNULL)
301 # define SSL_RSA (SSL_kRSA|SSL_aRSA)
302 # define SSL_DH (SSL_kDHr|SSL_kDHd|SSL_kEDH)
303 # define SSL_ECDH (SSL_kECDH|SSL_kECDHE)
304 # define SSL_FZA (SSL_aFZA|SSL_kFZA|SSL_eFZA)
305 # define SSL_KRB5 (SSL_kKRB5|SSL_aKRB5)
307 # define SSL_ENC_MASK 0x1C3F8000L
308 # define SSL_DES 0x00008000L
309 # define SSL_3DES 0x00010000L
310 # define SSL_RC4 0x00020000L
311 # define SSL_RC2 0x00040000L
312 # define SSL_IDEA 0x00080000L
313 # define SSL_eFZA 0x00100000L
314 # define SSL_eNULL 0x00200000L
315 # define SSL_AES 0x04000000L
316 # define SSL_CAMELLIA 0x08000000L
317 # define SSL_SEED 0x10000000L
319 # define SSL_MAC_MASK 0x00c00000L
320 # define SSL_MD5 0x00400000L
321 # define SSL_SHA1 0x00800000L
322 # define SSL_SHA (SSL_SHA1)
324 # define SSL_SSL_MASK 0x03000000L
325 # define SSL_SSLV2 0x01000000L
326 # define SSL_SSLV3 0x02000000L
327 # define SSL_TLSV1 SSL_SSLV3/* for now */
329 /* we have used 1fffffff - 3 bits left to go. */
332 * Export and cipher strength information. For each cipher we have to decide
333 * whether it is exportable or not. This information is likely to change
334 * over time, since the export control rules are no static technical issue.
336 * Independent of the export flag the cipher strength is sorted into classes.
337 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
338 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
339 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
340 * since SSL_EXP64 could be similar to SSL_LOW.
341 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
342 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
343 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
346 # define SSL_EXP_MASK 0x00000003L
347 # define SSL_NOT_EXP 0x00000001L
348 # define SSL_EXPORT 0x00000002L
350 # define SSL_STRONG_MASK 0x000000fcL
351 # define SSL_STRONG_NONE 0x00000004L
352 # define SSL_EXP40 0x00000008L
353 # define SSL_MICRO (SSL_EXP40)
354 # define SSL_EXP56 0x00000010L
355 # define SSL_MINI (SSL_EXP56)
356 # define SSL_LOW 0x00000020L
357 # define SSL_MEDIUM 0x00000040L
358 # define SSL_HIGH 0x00000080L
359 # define SSL_FIPS 0x00000100L
361 /* we have used 000001ff - 23 bits left to go */
364 * Macros to check the export status and cipher strength for export ciphers.
365 * Even though the macros for EXPORT and EXPORT40/56 have similar names,
366 * their meaning is different:
367 * *_EXPORT macros check the 'exportable' status.
368 * *_EXPORT40/56 macros are used to check whether a certain cipher strength
370 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
371 * algorithm structure element to be passed (algorithms, algo_strength) and no
372 * typechecking can be done as they are all of type unsigned long, their
373 * direct usage is discouraged.
374 * Use the SSL_C_* macros instead.
376 # define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
377 # define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
378 # define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
379 # define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
380 # define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
381 # define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
383 # define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
384 ((a)&SSL_ENC_MASK) == SSL_DES ? 8 : 7)
385 # define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
386 # define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithms, \
388 # define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
390 # define SSL_ALL 0xffffffffL
391 # define SSL_ALL_CIPHERS (SSL_MKEY_MASK|SSL_AUTH_MASK|SSL_ENC_MASK|\
393 # define SSL_ALL_STRENGTHS (SSL_EXP_MASK|SSL_STRONG_MASK)
395 /* Mostly for SSLv3 */
396 # define SSL_PKEY_RSA_ENC 0
397 # define SSL_PKEY_RSA_SIGN 1
398 # define SSL_PKEY_DSA_SIGN 2
399 # define SSL_PKEY_DH_RSA 3
400 # define SSL_PKEY_DH_DSA 4
401 # define SSL_PKEY_ECC 5
402 # define SSL_PKEY_NUM 6
405 * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
406 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
407 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
408 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
409 * SSL_aRSA <- RSA_ENC | RSA_SIGN
410 * SSL_aDSS <- DSA_SIGN
414 #define CERT_INVALID 0
415 #define CERT_PUBLIC_KEY 1
416 #define CERT_PRIVATE_KEY 2
419 # ifndef OPENSSL_NO_EC
421 * From ECC-TLS draft, used in encoding the curve type in ECParameters
423 # define EXPLICIT_PRIME_CURVE_TYPE 1
424 # define EXPLICIT_CHAR2_CURVE_TYPE 2
425 # define NAMED_CURVE_TYPE 3
426 # endif /* OPENSSL_NO_EC */
428 typedef struct cert_pkey_st {
430 EVP_PKEY *privatekey;
433 typedef struct cert_st {
434 /* Current active set */
436 * ALWAYS points to an element of the pkeys array
437 * Probably it would make more sense to store
438 * an index, not a pointer.
442 * The following masks are for the key and auth algorithms that are
443 * supported by the certs below
447 unsigned long export_mask;
448 # ifndef OPENSSL_NO_RSA
450 RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize);
452 # ifndef OPENSSL_NO_DH
454 DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize);
456 # ifndef OPENSSL_NO_ECDH
458 /* Callback for generating ephemeral ECDH keys */
459 EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize);
461 CERT_PKEY pkeys[SSL_PKEY_NUM];
462 int references; /* >1 only if SSL_copy_session_id is used */
465 typedef struct sess_cert_st {
466 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
467 /* The 'peer_...' members are used only by clients. */
469 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never
471 CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
473 * Obviously we don't have the private keys of these, so maybe we
474 * shouldn't even use the CERT_PKEY type here.
476 # ifndef OPENSSL_NO_RSA
477 RSA *peer_rsa_tmp; /* not used for SSL 2 */
479 # ifndef OPENSSL_NO_DH
480 DH *peer_dh_tmp; /* not used for SSL 2 */
482 # ifndef OPENSSL_NO_ECDH
483 EC_KEY *peer_ecdh_tmp;
485 int references; /* actually always 1 at the moment */
496 * #define ABORT_DEBUG
499 * #define PKT_DEBUG 1
505 * #define DES_OFB_DEBUG
517 # define FP_ICC (int (*)(const void *,const void *))
518 # define ssl_put_cipher_by_char(ssl,ciph,ptr) \
519 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
520 # define ssl_get_cipher_by_char(ssl,ptr) \
521 ((ssl)->method->get_cipher_by_char(ptr))
524 * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit
525 * of a mess of functions, but hell, think of it as an opaque structure :-)
527 typedef struct ssl3_enc_method {
528 int (*enc) (SSL *, int);
529 int (*mac) (SSL *, unsigned char *, int);
530 int (*setup_key_block) (SSL *);
531 int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *,
533 int (*change_cipher_state) (SSL *, int);
534 int (*final_finish_mac) (SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char *,
535 int, unsigned char *);
536 int finish_mac_length;
537 int (*cert_verify_mac) (SSL *, EVP_MD_CTX *, unsigned char *);
538 const char *client_finished_label;
539 int client_finished_label_len;
540 const char *server_finished_label;
541 int server_finished_label_len;
542 int (*alert_value) (int);
545 # ifndef OPENSSL_NO_COMP
546 /* Used for holding the relevant compression methods loaded into SSL_CTX */
547 typedef struct ssl3_comp_st {
548 int comp_id; /* The identifier byte for this compression
550 char *name; /* Text name used for the compression type */
551 COMP_METHOD *method; /* The method :-) */
555 extern SSL3_ENC_METHOD ssl3_undef_enc_method;
556 OPENSSL_EXTERN SSL_CIPHER ssl2_ciphers[];
557 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
559 SSL_METHOD *ssl_bad_method(int ver);
560 SSL_METHOD *sslv2_base_method(void);
561 SSL_METHOD *sslv23_base_method(void);
562 SSL_METHOD *sslv3_base_method(void);
564 extern SSL3_ENC_METHOD TLSv1_enc_data;
565 extern SSL3_ENC_METHOD SSLv3_enc_data;
566 extern SSL3_ENC_METHOD DTLSv1_enc_data;
568 # define IMPLEMENT_tls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
569 SSL_METHOD *func_name(void) \
571 static SSL_METHOD func_name##_data= { \
583 ssl3_renegotiate_check, \
587 ssl3_dispatch_alert, \
590 ssl3_get_cipher_by_char, \
591 ssl3_put_cipher_by_char, \
596 tls1_default_timeout, \
598 ssl_undefined_void_function, \
599 ssl3_callback_ctrl, \
600 ssl3_ctx_callback_ctrl, \
602 return &func_name##_data; \
605 # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
606 SSL_METHOD *func_name(void) \
608 static SSL_METHOD func_name##_data= { \
620 ssl3_renegotiate_check, \
624 ssl3_dispatch_alert, \
627 ssl3_get_cipher_by_char, \
628 ssl3_put_cipher_by_char, \
633 ssl3_default_timeout, \
635 ssl_undefined_void_function, \
636 ssl3_callback_ctrl, \
637 ssl3_ctx_callback_ctrl, \
639 return &func_name##_data; \
642 # define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
643 SSL_METHOD *func_name(void) \
645 static SSL_METHOD func_name##_data= { \
655 ssl_undefined_function, \
656 ssl_undefined_function, \
661 ssl3_dispatch_alert, \
664 ssl23_get_cipher_by_char, \
665 ssl23_put_cipher_by_char, \
666 ssl_undefined_const_function, \
670 ssl23_default_timeout, \
671 &ssl3_undef_enc_method, \
672 ssl_undefined_void_function, \
673 ssl3_callback_ctrl, \
674 ssl3_ctx_callback_ctrl, \
676 return &func_name##_data; \
679 # define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
680 SSL_METHOD *func_name(void) \
682 static SSL_METHOD func_name##_data= { \
684 ssl2_new, /* local */ \
685 ssl2_clear, /* local */ \
686 ssl2_free, /* local */ \
693 ssl_ok, /* NULL - renegotiate */ \
694 ssl_ok, /* NULL - check renegotiate */ \
695 NULL, /* NULL - ssl_get_message */ \
696 NULL, /* NULL - ssl_get_record */ \
697 NULL, /* NULL - ssl_write_bytes */ \
698 NULL, /* NULL - dispatch_alert */ \
699 ssl2_ctrl, /* local */ \
700 ssl2_ctx_ctrl, /* local */ \
701 ssl2_get_cipher_by_char, \
702 ssl2_put_cipher_by_char, \
707 ssl2_default_timeout, \
708 &ssl3_undef_enc_method, \
709 ssl_undefined_void_function, \
710 ssl2_callback_ctrl, /* local */ \
711 ssl2_ctx_callback_ctrl, /* local */ \
713 return &func_name##_data; \
716 # define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
717 SSL_METHOD *func_name(void) \
719 static SSL_METHOD func_name##_data= { \
731 ssl3_renegotiate_check, \
734 dtls1_write_app_data_bytes, \
735 dtls1_dispatch_alert, \
738 ssl3_get_cipher_by_char, \
739 ssl3_put_cipher_by_char, \
744 dtls1_default_timeout, \
746 ssl_undefined_void_function, \
747 ssl3_callback_ctrl, \
748 ssl3_ctx_callback_ctrl, \
750 return &func_name##_data; \
753 void ssl_clear_cipher_ctx(SSL *s);
754 int ssl_clear_bad_session(SSL *s);
755 CERT *ssl_cert_new(void);
756 CERT *ssl_cert_dup(CERT *cert);
757 int ssl_cert_inst(CERT **o);
758 void ssl_cert_free(CERT *c);
759 SESS_CERT *ssl_sess_cert_new(void);
760 void ssl_sess_cert_free(SESS_CERT *sc);
761 int ssl_set_peer_cert_type(SESS_CERT *c, int type);
762 int ssl_get_new_session(SSL *s, int session);
763 int ssl_get_prev_session(SSL *s, unsigned char *session, int len,
764 const unsigned char *limit);
765 SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket);
766 int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b);
767 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
768 const SSL_CIPHER *const *bp);
769 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p,
771 STACK_OF(SSL_CIPHER) **skp);
772 int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk,
774 int (*put_cb) (const SSL_CIPHER *,
776 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
777 STACK_OF(SSL_CIPHER) **pref,
778 STACK_OF(SSL_CIPHER) **sorted,
779 const char *rule_str);
780 void ssl_update_cache(SSL *s, int mode);
781 int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
782 const EVP_MD **md, SSL_COMP **comp);
783 int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk);
784 int ssl_undefined_function(SSL *s);
785 int ssl_undefined_void_function(void);
786 int ssl_undefined_const_function(const SSL *s);
787 CERT_PKEY *ssl_get_server_send_pkey(const SSL *s);
788 X509 *ssl_get_server_send_cert(const SSL *);
789 EVP_PKEY *ssl_get_sign_pkey(SSL *, SSL_CIPHER *);
790 int ssl_cert_type(X509 *x, EVP_PKEY *pkey);
791 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher);
792 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
793 int ssl_verify_alarm_type(long type);
794 void ssl_load_ciphers(void);
796 int ssl2_enc_init(SSL *s, int client);
797 int ssl2_generate_key_material(SSL *s);
798 void ssl2_enc(SSL *s, int send_data);
799 void ssl2_mac(SSL *s, unsigned char *mac, int send_data);
800 SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
801 int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
802 int ssl2_part_read(SSL *s, unsigned long f, int i);
803 int ssl2_do_write(SSL *s);
804 int ssl2_set_certificate(SSL *s, int type, int len,
805 const unsigned char *data);
806 void ssl2_return_error(SSL *s, int reason);
807 void ssl2_write_error(SSL *s);
808 int ssl2_num_ciphers(void);
809 SSL_CIPHER *ssl2_get_cipher(unsigned int u);
810 int ssl2_new(SSL *s);
811 void ssl2_free(SSL *s);
812 int ssl2_accept(SSL *s);
813 int ssl2_connect(SSL *s);
814 int ssl2_read(SSL *s, void *buf, int len);
815 int ssl2_peek(SSL *s, void *buf, int len);
816 int ssl2_write(SSL *s, const void *buf, int len);
817 int ssl2_shutdown(SSL *s);
818 void ssl2_clear(SSL *s);
819 long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg);
820 long ssl2_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
821 long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
822 long ssl2_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
823 int ssl2_pending(const SSL *s);
824 long ssl2_default_timeout(void);
826 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
827 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
828 void ssl3_init_finished_mac(SSL *s);
829 int ssl3_send_server_certificate(SSL *s);
830 int ssl3_send_newsession_ticket(SSL *s);
831 int ssl3_send_cert_status(SSL *s);
832 int ssl3_get_finished(SSL *s, int state_a, int state_b);
833 int ssl3_setup_key_block(SSL *s);
834 int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b);
835 int ssl3_change_cipher_state(SSL *s, int which);
836 void ssl3_cleanup_key_block(SSL *s);
837 int ssl3_do_write(SSL *s, int type);
838 int ssl3_send_alert(SSL *s, int level, int desc);
839 int ssl3_generate_master_secret(SSL *s, unsigned char *out,
840 unsigned char *p, int len);
841 int ssl3_get_req_cert_type(SSL *s, unsigned char *p);
842 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
843 int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen);
844 int ssl3_num_ciphers(void);
845 SSL_CIPHER *ssl3_get_cipher(unsigned int u);
846 int ssl3_renegotiate(SSL *ssl);
847 int ssl3_renegotiate_check(SSL *ssl);
848 int ssl3_dispatch_alert(SSL *s);
849 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
850 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
851 int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2,
852 const char *sender, int slen, unsigned char *p);
853 int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
854 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
855 int ssl3_enc(SSL *s, int send_data);
856 int ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
857 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x);
858 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt,
859 STACK_OF(SSL_CIPHER) *srvr);
860 int ssl3_setup_buffers(SSL *s);
861 int ssl3_new(SSL *s);
862 void ssl3_free(SSL *s);
863 int ssl3_accept(SSL *s);
864 int ssl3_connect(SSL *s);
865 int ssl3_read(SSL *s, void *buf, int len);
866 int ssl3_peek(SSL *s, void *buf, int len);
867 int ssl3_write(SSL *s, const void *buf, int len);
868 int ssl3_shutdown(SSL *s);
869 void ssl3_clear(SSL *s);
870 long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg);
871 long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
872 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
873 long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
874 int ssl3_pending(const SSL *s);
876 void ssl3_record_sequence_update(unsigned char *seq);
877 int ssl3_do_change_cipher_spec(SSL *ssl);
878 long ssl3_default_timeout(void);
880 int ssl23_num_ciphers(void);
881 SSL_CIPHER *ssl23_get_cipher(unsigned int u);
882 int ssl23_read(SSL *s, void *buf, int len);
883 int ssl23_peek(SSL *s, void *buf, int len);
884 int ssl23_write(SSL *s, const void *buf, int len);
885 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
886 SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
887 long ssl23_default_timeout(void);
889 long tls1_default_timeout(void);
890 int dtls1_do_write(SSL *s, int type);
891 int ssl3_read_n(SSL *s, int n, int max, int extend);
892 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
893 int ssl3_do_compress(SSL *ssl);
894 int ssl3_do_uncompress(SSL *ssl);
895 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
897 unsigned char *dtls1_set_message_header(SSL *s,
898 unsigned char *p, unsigned char mt,
900 unsigned long frag_off,
901 unsigned long frag_len);
903 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
904 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
906 int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
907 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
908 unsigned long dtls1_output_cert_chain(SSL *s, X509 *x);
909 int dtls1_read_failed(SSL *s, int code);
910 int dtls1_buffer_message(SSL *s, int ccs);
911 int dtls1_retransmit_message(SSL *s, unsigned short seq,
912 unsigned long frag_off, int *found);
913 int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
914 int dtls1_retransmit_buffered_messages(SSL *s);
915 void dtls1_clear_received_buffer(SSL *s);
916 void dtls1_clear_sent_buffer(SSL *s);
917 void dtls1_get_message_header(unsigned char *data,
918 struct hm_header_st *msg_hdr);
919 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
920 void dtls1_reset_seq_numbers(SSL *s, int rw);
921 long dtls1_default_timeout(void);
922 struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft);
923 int dtls1_check_timeout_num(SSL *s);
924 int dtls1_handle_timeout(SSL *s);
925 SSL_CIPHER *dtls1_get_cipher(unsigned int u);
926 void dtls1_start_timer(SSL *s);
927 void dtls1_stop_timer(SSL *s);
928 int dtls1_is_timer_expired(SSL *s);
929 void dtls1_double_timeout(SSL *s);
930 int dtls1_send_newsession_ticket(SSL *s);
931 unsigned int dtls1_min_mtu(void);
933 /* some client-only functions */
934 int ssl3_client_hello(SSL *s);
935 int ssl3_get_server_hello(SSL *s);
936 int ssl3_get_certificate_request(SSL *s);
937 int ssl3_get_new_session_ticket(SSL *s);
938 int ssl3_get_cert_status(SSL *s);
939 int ssl3_get_server_done(SSL *s);
940 int ssl3_send_client_verify(SSL *s);
941 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
942 int ssl3_send_client_certificate(SSL *s);
943 int ssl3_send_client_key_exchange(SSL *s);
944 int ssl3_get_key_exchange(SSL *s);
945 int ssl3_get_server_certificate(SSL *s);
946 int ssl3_check_cert_and_algorithm(SSL *s);
947 # ifndef OPENSSL_NO_TLSEXT
948 int ssl3_check_finished(SSL *s);
951 int dtls1_client_hello(SSL *s);
952 int dtls1_send_client_certificate(SSL *s);
953 int dtls1_send_client_key_exchange(SSL *s);
954 int dtls1_send_client_verify(SSL *s);
956 /* some server-only functions */
957 int ssl3_get_client_hello(SSL *s);
958 int ssl3_send_server_hello(SSL *s);
959 int ssl3_send_hello_request(SSL *s);
960 int ssl3_send_server_key_exchange(SSL *s);
961 int ssl3_send_certificate_request(SSL *s);
962 int ssl3_send_server_done(SSL *s);
963 int ssl3_check_client_hello(SSL *s);
964 int ssl3_get_client_certificate(SSL *s);
965 int ssl3_get_client_key_exchange(SSL *s);
966 int ssl3_get_cert_verify(SSL *s);
968 int dtls1_send_hello_request(SSL *s);
969 int dtls1_send_server_hello(SSL *s);
970 int dtls1_send_server_certificate(SSL *s);
971 int dtls1_send_server_key_exchange(SSL *s);
972 int dtls1_send_certificate_request(SSL *s);
973 int dtls1_send_server_done(SSL *s);
975 int ssl23_accept(SSL *s);
976 int ssl23_connect(SSL *s);
977 int ssl23_read_bytes(SSL *s, int n);
978 int ssl23_write_bytes(SSL *s);
980 int tls1_new(SSL *s);
981 void tls1_free(SSL *s);
982 void tls1_clear(SSL *s);
983 long tls1_ctrl(SSL *s, int cmd, long larg, void *parg);
984 long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
985 SSL_METHOD *tlsv1_base_method(void);
987 int dtls1_new(SSL *s);
988 int dtls1_accept(SSL *s);
989 int dtls1_connect(SSL *s);
990 void dtls1_free(SSL *s);
991 void dtls1_clear(SSL *s);
992 long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg);
993 SSL_METHOD *dtlsv1_base_method(void);
995 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
996 int dtls1_get_record(SSL *s);
997 int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
998 unsigned int len, int create_empty_fragement);
999 int dtls1_dispatch_alert(SSL *s);
1000 int dtls1_enc(SSL *s, int snd);
1002 int ssl_init_wbio_buffer(SSL *s, int push);
1003 void ssl_free_wbio_buffer(SSL *s);
1005 int tls1_change_cipher_state(SSL *s, int which);
1006 int tls1_setup_key_block(SSL *s);
1007 int tls1_enc(SSL *s, int snd);
1008 int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx,
1009 const char *str, int slen, unsigned char *p);
1010 int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
1011 int tls1_mac(SSL *ssl, unsigned char *md, int snd);
1012 int tls1_generate_master_secret(SSL *s, unsigned char *out,
1013 unsigned char *p, int len);
1014 int tls1_alert_code(int code);
1015 int ssl3_alert_code(int code);
1018 int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs);
1020 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
1022 # ifndef OPENSSL_NO_TLSEXT
1023 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p,
1024 unsigned char *limit);
1025 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p,
1026 unsigned char *limit);
1027 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data,
1028 unsigned char *limit, int *al);
1029 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data,
1030 unsigned char *d, int n, int *al);
1031 int ssl_prepare_clienthello_tlsext(SSL *s);
1032 int ssl_prepare_serverhello_tlsext(SSL *s);
1033 int ssl_check_clienthello_tlsext_early(SSL *s);
1034 int ssl_check_clienthello_tlsext_late(SSL *s);
1035 int ssl_check_serverhello_tlsext(SSL *s);
1037 # ifdef OPENSSL_NO_SHA256
1038 # define tlsext_tick_md EVP_sha1
1040 # define tlsext_tick_md EVP_sha256
1042 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
1043 const unsigned char *limit, SSL_SESSION **ret);
1044 EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md);
1045 void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
1047 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1049 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1051 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1053 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1057 void ssl3_cbc_copy_mac(unsigned char *out,
1058 const SSL3_RECORD *rec,
1059 unsigned md_size, unsigned orig_len);
1060 int ssl3_cbc_remove_padding(const SSL *s,
1062 unsigned block_size, unsigned mac_size);
1063 int tls1_cbc_remove_padding(const SSL *s,
1065 unsigned block_size, unsigned mac_size);
1066 char ssl3_cbc_record_digest_supported(const EVP_MD *hash);
1067 void ssl3_cbc_digest_record(const EVP_MD *hash,
1068 unsigned char *md_out,
1069 size_t *md_out_size,
1070 const unsigned char header[13],
1071 const unsigned char *data,
1072 size_t data_plus_mac_size,
1073 size_t data_plus_mac_plus_padding_size,
1074 const unsigned char *mac_secret,
1075 unsigned mac_secret_length, char is_sslv3);
1077 void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx,
1078 const EVP_MD *hash, HMAC_CTX *hctx,
1079 const unsigned char *data, size_t data_len,