2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
116 /* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125 * support (see RFC 4279) to OpenSSL.
127 * No patent licenses or other rights except those expressly stated in
128 * the OpenSSL open source license shall be deemed granted or received
129 * expressly, by implication, estoppel, or otherwise.
131 * No assurances are provided by Nokia that the Contribution does not
132 * infringe the patent or other intellectual property rights of any third
133 * party or that the license provides you with all the necessary rights
134 * to make use of the Contribution.
136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
143 #ifndef HEADER_SSL_LOCL_H
144 #define HEADER_SSL_LOCL_H
152 #include <openssl/buffer.h>
153 #ifndef OPENSSL_NO_COMP
154 #include <openssl/comp.h>
156 #include <openssl/bio.h>
157 #include <openssl/stack.h>
158 #ifndef OPENSSL_NO_RSA
159 #include <openssl/rsa.h>
161 #ifndef OPENSSL_NO_DSA
162 #include <openssl/dsa.h>
164 #include <openssl/err.h>
165 #include <openssl/ssl.h>
166 #include <openssl/symhacks.h>
168 #ifdef OPENSSL_BUILD_SHLIBSSL
169 # undef OPENSSL_EXTERN
170 # define OPENSSL_EXTERN OPENSSL_EXPORT
175 #define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
176 l|=(((unsigned long)(*((c)++)))<< 8), \
177 l|=(((unsigned long)(*((c)++)))<<16), \
178 l|=(((unsigned long)(*((c)++)))<<24))
180 /* NOTE - c is not incremented as per c2l */
181 #define c2ln(c,l1,l2,n) { \
185 case 8: l2 =((unsigned long)(*(--(c))))<<24; \
186 case 7: l2|=((unsigned long)(*(--(c))))<<16; \
187 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
188 case 5: l2|=((unsigned long)(*(--(c)))); \
189 case 4: l1 =((unsigned long)(*(--(c))))<<24; \
190 case 3: l1|=((unsigned long)(*(--(c))))<<16; \
191 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
192 case 1: l1|=((unsigned long)(*(--(c)))); \
196 #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
197 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
198 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
199 *((c)++)=(unsigned char)(((l)>>24)&0xff))
201 #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
202 l|=((unsigned long)(*((c)++)))<<16, \
203 l|=((unsigned long)(*((c)++)))<< 8, \
204 l|=((unsigned long)(*((c)++))))
206 #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
207 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
208 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
209 *((c)++)=(unsigned char)(((l) )&0xff))
211 #define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
212 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
213 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
214 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
215 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
216 *((c)++)=(unsigned char)(((l) )&0xff))
218 #define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \
219 *((c)++)=(unsigned char)(((l)>>48)&0xff), \
220 *((c)++)=(unsigned char)(((l)>>40)&0xff), \
221 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
222 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
223 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
224 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
225 *((c)++)=(unsigned char)(((l) )&0xff))
227 #define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \
228 l|=((BN_ULLONG)(*((c)++)))<<32, \
229 l|=((BN_ULLONG)(*((c)++)))<<24, \
230 l|=((BN_ULLONG)(*((c)++)))<<16, \
231 l|=((BN_ULLONG)(*((c)++)))<< 8, \
232 l|=((BN_ULLONG)(*((c)++))))
234 /* NOTE - c is not incremented as per l2c */
235 #define l2cn(l1,l2,c,n) { \
238 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
239 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
240 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
241 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
242 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
243 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
244 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
245 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
249 #define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \
250 (((unsigned int)(c[1])) )),c+=2)
251 #define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
252 c[1]=(unsigned char)(((s) )&0xff)),c+=2)
254 #define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \
255 (((unsigned long)(c[1]))<< 8)| \
256 (((unsigned long)(c[2])) )),c+=3)
258 #define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
259 c[1]=(unsigned char)(((l)>> 8)&0xff), \
260 c[2]=(unsigned char)(((l) )&0xff)),c+=3)
264 #define SSL_DECRYPT 0
265 #define SSL_ENCRYPT 1
267 #define TWO_BYTE_BIT 0x80
268 #define SEC_ESC_BIT 0x40
269 #define TWO_BYTE_MASK 0x7fff
270 #define THREE_BYTE_MASK 0x3fff
272 #define INC32(a) ((a)=((a)+1)&0xffffffffL)
273 #define DEC32(a) ((a)=((a)-1)&0xffffffffL)
274 #define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
277 * Define the Bitmasks for SSL_CIPHER.algorithms.
278 * This bits are used packed as dense as possible. If new methods/ciphers
279 * etc will be added, the bits a likely to change, so this information
280 * is for internal library use only, even though SSL_CIPHER.algorithms
281 * can be publicly accessed.
282 * Use the according functions for cipher management instead.
284 * The bit mask handling in the selection and sorting scheme in
285 * ssl_create_cipher_list() has only limited capabilities, reflecting
286 * that the different entities within are mutually exclusive:
287 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
290 /* Bits for algorithm_mkey (key exchange algorithm) */
291 /* RSA key exchange */
292 #define SSL_kRSA 0x00000001L
293 /* DH cert, RSA CA cert */
294 #define SSL_kDHr 0x00000002L
295 /* DH cert, DSA CA cert */
296 #define SSL_kDHd 0x00000004L
297 /* tmp DH key no DH cert */
298 #define SSL_kDHE 0x00000008L
300 #define SSL_kEDH SSL_kDHE
301 /* Kerberos5 key exchange */
302 #define SSL_kKRB5 0x00000010L
303 /* ECDH cert, RSA CA cert */
304 #define SSL_kECDHr 0x00000020L
305 /* ECDH cert, ECDSA CA cert */
306 #define SSL_kECDHe 0x00000040L
308 #define SSL_kECDHE 0x00000080L
310 #define SSL_kEECDH SSL_kECDHE
312 #define SSL_kPSK 0x00000100L
313 /* GOST key exchange */
314 #define SSL_kGOST 0x00000200L
316 #define SSL_kSRP 0x00000400L
318 /* Bits for algorithm_auth (server authentication) */
320 #define SSL_aRSA 0x00000001L
322 #define SSL_aDSS 0x00000002L
323 /* no auth (i.e. use ADH or AECDH) */
324 #define SSL_aNULL 0x00000004L
325 /* Fixed DH auth (kDHd or kDHr) */
326 #define SSL_aDH 0x00000008L
327 /* Fixed ECDH auth (kECDHe or kECDHr) */
328 #define SSL_aECDH 0x00000010L
330 #define SSL_aKRB5 0x00000020L
332 #define SSL_aECDSA 0x00000040L
334 #define SSL_aPSK 0x00000080L
335 /* GOST R 34.10-94 signature auth */
336 #define SSL_aGOST94 0x00000100L
337 /* GOST R 34.10-2001 signature auth */
338 #define SSL_aGOST01 0x00000200L
340 #define SSL_aSRP 0x00000400L
343 /* Bits for algorithm_enc (symmetric encryption) */
344 #define SSL_DES 0x00000001L
345 #define SSL_3DES 0x00000002L
346 #define SSL_RC4 0x00000004L
347 #define SSL_RC2 0x00000008L
348 #define SSL_IDEA 0x00000010L
349 #define SSL_eNULL 0x00000020L
350 #define SSL_AES128 0x00000040L
351 #define SSL_AES256 0x00000080L
352 #define SSL_CAMELLIA128 0x00000100L
353 #define SSL_CAMELLIA256 0x00000200L
354 #define SSL_eGOST2814789CNT 0x00000400L
355 #define SSL_SEED 0x00000800L
356 #define SSL_AES128GCM 0x00001000L
357 #define SSL_AES256GCM 0x00002000L
359 #define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM)
360 #define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
363 /* Bits for algorithm_mac (symmetric authentication) */
365 #define SSL_MD5 0x00000001L
366 #define SSL_SHA1 0x00000002L
367 #define SSL_GOST94 0x00000004L
368 #define SSL_GOST89MAC 0x00000008L
369 #define SSL_SHA256 0x00000010L
370 #define SSL_SHA384 0x00000020L
371 /* Not a real MAC, just an indication it is part of cipher */
372 #define SSL_AEAD 0x00000040L
374 /* Bits for algorithm_ssl (protocol version) */
375 #define SSL_SSLV3 0x00000002L
376 #define SSL_TLSV1 SSL_SSLV3 /* for now */
377 #define SSL_TLSV1_2 0x00000004L
380 /* Bits for algorithm2 (handshake digests and other extra flags) */
382 #define SSL_HANDSHAKE_MAC_MD5 0x10
383 #define SSL_HANDSHAKE_MAC_SHA 0x20
384 #define SSL_HANDSHAKE_MAC_GOST94 0x40
385 #define SSL_HANDSHAKE_MAC_SHA256 0x80
386 #define SSL_HANDSHAKE_MAC_SHA384 0x100
387 #define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA)
389 /* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX
390 * make sure to update this constant too */
391 #define SSL_MAX_DIGEST 6
393 #define TLS1_PRF_DGST_SHIFT 10
394 #define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT)
395 #define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT)
396 #define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT)
397 #define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT)
398 #define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT)
399 #define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1)
401 /* Stream MAC for GOST ciphersuites from cryptopro draft
402 * (currently this also goes into algorithm2) */
403 #define TLS1_STREAM_MAC 0x04
408 * Export and cipher strength information. For each cipher we have to decide
409 * whether it is exportable or not. This information is likely to change
410 * over time, since the export control rules are no static technical issue.
412 * Independent of the export flag the cipher strength is sorted into classes.
413 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
414 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
415 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
416 * since SSL_EXP64 could be similar to SSL_LOW.
417 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
418 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
419 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
422 #define SSL_EXP_MASK 0x00000003L
423 #define SSL_STRONG_MASK 0x000001fcL
425 #define SSL_NOT_EXP 0x00000001L
426 #define SSL_EXPORT 0x00000002L
428 #define SSL_STRONG_NONE 0x00000004L
429 #define SSL_EXP40 0x00000008L
430 #define SSL_MICRO (SSL_EXP40)
431 #define SSL_EXP56 0x00000010L
432 #define SSL_MINI (SSL_EXP56)
433 #define SSL_LOW 0x00000020L
434 #define SSL_MEDIUM 0x00000040L
435 #define SSL_HIGH 0x00000080L
436 #define SSL_FIPS 0x00000100L
438 /* we have used 000001ff - 23 bits left to go */
441 * Macros to check the export status and cipher strength for export ciphers.
442 * Even though the macros for EXPORT and EXPORT40/56 have similar names,
443 * their meaning is different:
444 * *_EXPORT macros check the 'exportable' status.
445 * *_EXPORT40/56 macros are used to check whether a certain cipher strength
447 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
448 * algorithm structure element to be passed (algorithms, algo_strength) and no
449 * typechecking can be done as they are all of type unsigned long, their
450 * direct usage is discouraged.
451 * Use the SSL_C_* macros instead.
453 #define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
454 #define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
455 #define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
456 #define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
457 #define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
458 #define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
460 #define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
461 (a) == SSL_DES ? 8 : 7)
462 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
463 #define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
465 #define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
467 /* Check if an SSL structure is using DTLS */
468 #define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
469 /* See if we need explicit IV */
470 #define SSL_USE_EXPLICIT_IV(s) \
471 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV)
472 /* See if we use signature algorithms extension
473 * and signature algorithm before signatures.
475 #define SSL_USE_SIGALGS(s) \
476 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS)
477 /* Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2:
478 * may apply to others in future.
480 #define SSL_USE_TLS1_2_CIPHERS(s) \
481 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)
482 /* Determine if a client can use TLS 1.2 ciphersuites: can't rely on method
483 * flags because it may not be set to correct version yet.
485 #define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \
486 ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \
487 (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION))
489 #ifdef TLSEXT_TYPE_encrypt_then_mac
490 #define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC)
492 #define SSL_USE_ETM(s) (0)
495 /* Mostly for SSLv3 */
496 #define SSL_PKEY_RSA_ENC 0
497 #define SSL_PKEY_RSA_SIGN 1
498 #define SSL_PKEY_DSA_SIGN 2
499 #define SSL_PKEY_DH_RSA 3
500 #define SSL_PKEY_DH_DSA 4
501 #define SSL_PKEY_ECC 5
502 #define SSL_PKEY_GOST94 6
503 #define SSL_PKEY_GOST01 7
504 #define SSL_PKEY_NUM 8
507 * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
508 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
509 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
510 * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN
511 * SSL_aRSA <- RSA_ENC | RSA_SIGN
512 * SSL_aDSS <- DSA_SIGN
516 #define CERT_INVALID 0
517 #define CERT_PUBLIC_KEY 1
518 #define CERT_PRIVATE_KEY 2
521 #ifndef OPENSSL_NO_EC
522 /* From ECC-TLS draft, used in encoding the curve type in
525 #define EXPLICIT_PRIME_CURVE_TYPE 1
526 #define EXPLICIT_CHAR2_CURVE_TYPE 2
527 #define NAMED_CURVE_TYPE 3
528 #endif /* OPENSSL_NO_EC */
530 typedef struct cert_pkey_st
533 EVP_PKEY
*privatekey
;
534 /* Digest to use when signing */
535 const EVP_MD
*digest
;
536 /* Chain for this certificate */
537 STACK_OF(X509
) *chain
;
538 #ifndef OPENSSL_NO_TLSEXT
540 * serverinfo data for this certificate. The data is in TLS Extension
541 * wire format, specifically it's a series of records like:
542 * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension)
544 * uint8_t data[length];
546 unsigned char *serverinfo
;
547 size_t serverinfo_length
;
549 /* Set if CERT_PKEY can be used with current SSL session: e.g.
550 * appropriate curve, signature algorithms etc. If zero it can't be
555 /* Retrieve Suite B flags */
556 #define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS)
557 /* Uses to check strict mode: suite B modes are always strict */
558 #define SSL_CERT_FLAGS_CHECK_TLS_STRICT \
559 (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT)
562 unsigned short ext_type
;
563 /* Per-connection flags relating to this extension type: not used
564 * if part of an SSL_CTX structure.
566 unsigned short ext_flags
;
567 custom_ext_add_cb add_cb
;
568 custom_ext_free_cb free_cb
;
570 custom_ext_parse_cb parse_cb
;
574 /* ext_flags values */
576 /* Indicates an extension has been received.
577 * Used to check for unsolicited or duplicate extensions.
579 #define SSL_EXT_FLAG_RECEIVED 0x1
580 /* Indicates an extension has been sent: used to
581 * enable sending of corresponding ServerHello extension.
583 #define SSL_EXT_FLAG_SENT 0x2
586 custom_ext_method
*meths
;
588 } custom_ext_methods
;
590 typedef struct cert_st
592 /* Current active set */
594 * ALWAYS points to an element of the pkeys array
595 * Probably it would make more sense to store
596 * an index, not a pointer.
600 /* For servers the following masks are for the key and auth
601 * algorithms that are supported by the certs below.
602 * For clients they are masks of *disabled* algorithms based
603 * on the current session.
606 unsigned long mask_k
;
607 unsigned long mask_a
;
608 unsigned long export_mask_k
;
609 unsigned long export_mask_a
;
611 unsigned long mask_ssl
;
612 #ifndef OPENSSL_NO_RSA
614 RSA
*(*rsa_tmp_cb
)(SSL
*ssl
,int is_export
,int keysize
);
616 #ifndef OPENSSL_NO_DH
618 DH
*(*dh_tmp_cb
)(SSL
*ssl
,int is_export
,int keysize
);
621 #ifndef OPENSSL_NO_ECDH
623 /* Callback for generating ephemeral ECDH keys */
624 EC_KEY
*(*ecdh_tmp_cb
)(SSL
*ssl
,int is_export
,int keysize
);
625 /* Select ECDH parameters automatically */
628 /* Flags related to certificates */
629 unsigned int cert_flags
;
630 CERT_PKEY pkeys
[SSL_PKEY_NUM
];
632 /* Certificate types (received or sent) in certificate request
633 * message. On receive this is only set if number of certificate
634 * types exceeds SSL3_CT_NUMBER.
636 unsigned char *ctypes
;
639 /* signature algorithms peer reports: e.g. supported signature
640 * algorithms extension for server or as part of a certificate
641 * request for client.
643 unsigned char *peer_sigalgs
;
644 /* Size of above array */
645 size_t peer_sigalgslen
;
646 /* suppported signature algorithms.
647 * When set on a client this is sent in the client hello as the
648 * supported signature algorithms extension. For servers
649 * it represents the signature algorithms we are willing to use.
651 unsigned char *conf_sigalgs
;
652 /* Size of above array */
653 size_t conf_sigalgslen
;
654 /* Client authentication signature algorithms, if not set then
655 * uses conf_sigalgs. On servers these will be the signature
656 * algorithms sent to the client in a cerificate request for TLS 1.2.
657 * On a client this represents the signature algortithms we are
658 * willing to use for client authentication.
660 unsigned char *client_sigalgs
;
661 /* Size of above array */
662 size_t client_sigalgslen
;
663 /* Signature algorithms shared by client and server: cached
664 * because these are used most often.
666 TLS_SIGALGS
*shared_sigalgs
;
667 size_t shared_sigalgslen
;
669 /* Certificate setup callback: if set is called whenever a
670 * certificate may be required (client or server). the callback
671 * can then examine any appropriate parameters and setup any
672 * certificates required. This allows advanced applications
673 * to select certificates on the fly: for example based on
674 * supported signature algorithms or curves.
676 int (*cert_cb
)(SSL
*ssl
, void *arg
);
679 /* Optional X509_STORE for chain building or certificate validation
680 * If NULL the parent SSL_CTX store is used instead.
682 X509_STORE
*chain_store
;
683 X509_STORE
*verify_store
;
685 /* Raw values of the cipher list from a client */
686 unsigned char *ciphers_raw
;
687 size_t ciphers_rawlen
;
689 /* Custom extension methods for server and client */
690 custom_ext_methods cli_ext
;
691 custom_ext_methods srv_ext
;
692 /* Security callback */
693 int (*sec_cb
)(SSL
*s
, SSL_CTX
*ctx
, int op
, int bits
, int nid
, void *other
, void *ex
);
699 int references
; /* >1 only if SSL_copy_session_id is used */
703 typedef struct sess_cert_st
705 STACK_OF(X509
) *cert_chain
; /* as received from peer */
707 /* The 'peer_...' members are used only by clients. */
710 CERT_PKEY
*peer_key
; /* points to an element of peer_pkeys (never NULL!) */
711 CERT_PKEY peer_pkeys
[SSL_PKEY_NUM
];
712 /* Obviously we don't have the private keys of these,
713 * so maybe we shouldn't even use the CERT_PKEY type here. */
715 #ifndef OPENSSL_NO_RSA
716 RSA
*peer_rsa_tmp
; /* not used for SSL 2 */
718 #ifndef OPENSSL_NO_DH
719 DH
*peer_dh_tmp
; /* not used for SSL 2 */
721 #ifndef OPENSSL_NO_ECDH
722 EC_KEY
*peer_ecdh_tmp
;
725 int references
; /* actually always 1 at the moment */
727 /* Structure containing decoded values of signature algorithms extension */
728 struct tls_sigalgs_st
730 /* NID of hash algorithm */
732 /* NID of signature algorithm */
734 /* Combined hash and signature NID */
736 /* Raw values used in extension */
741 /*#define MAC_DEBUG */
743 /*#define ERR_DEBUG */
744 /*#define ABORT_DEBUG */
745 /*#define PKT_DEBUG 1 */
746 /*#define DES_DEBUG */
747 /*#define DES_OFB_DEBUG */
748 /*#define SSL_DEBUG */
749 /*#define RSA_DEBUG */
750 /*#define IDEA_DEBUG */
752 #define FP_ICC (int (*)(const void *,const void *))
753 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \
754 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
756 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
757 * It is a bit of a mess of functions, but hell, think of it as
758 * an opaque structure :-) */
759 typedef struct ssl3_enc_method
761 int (*enc
)(SSL
*, int);
762 int (*mac
)(SSL
*, unsigned char *, int);
763 int (*setup_key_block
)(SSL
*);
764 int (*generate_master_secret
)(SSL
*, unsigned char *, unsigned char *, int);
765 int (*change_cipher_state
)(SSL
*, int);
766 int (*final_finish_mac
)(SSL
*, const char *, int, unsigned char *);
767 int finish_mac_length
;
768 int (*cert_verify_mac
)(SSL
*, int, unsigned char *);
769 const char *client_finished_label
;
770 int client_finished_label_len
;
771 const char *server_finished_label
;
772 int server_finished_label_len
;
773 int (*alert_value
)(int);
774 int (*export_keying_material
)(SSL
*, unsigned char *, size_t,
775 const char *, size_t,
776 const unsigned char *, size_t,
778 /* Various flags indicating protocol version requirements */
779 unsigned int enc_flags
;
780 /* Handshake header length */
782 /* Set the handshake header */
783 void (*set_handshake_header
)(SSL
*s
, int type
, unsigned long len
);
784 /* Write out handshake message */
785 int (*do_write
)(SSL
*s
);
788 #define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen
789 #define ssl_handshake_start(s) \
790 (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen)
791 #define ssl_set_handshake_header(s, htype, len) \
792 s->method->ssl3_enc->set_handshake_header(s, htype, len)
793 #define ssl_do_write(s) s->method->ssl3_enc->do_write(s)
795 /* Values for enc_flags */
797 /* Uses explicit IV for CBC mode */
798 #define SSL_ENC_FLAG_EXPLICIT_IV 0x1
799 /* Uses signature algorithms extension */
800 #define SSL_ENC_FLAG_SIGALGS 0x2
801 /* Uses SHA256 default PRF */
802 #define SSL_ENC_FLAG_SHA256_PRF 0x4
804 #define SSL_ENC_FLAG_DTLS 0x8
805 /* Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2:
806 * may apply to others in future.
808 #define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10
810 #ifndef OPENSSL_NO_COMP
811 /* Used for holding the relevant compression methods loaded into SSL_CTX */
812 typedef struct ssl3_comp_st
814 int comp_id
; /* The identifier byte for this compression type */
815 char *name
; /* Text name used for the compression type */
816 COMP_METHOD
*method
; /* The method :-) */
820 #ifndef OPENSSL_NO_BUF_FREELISTS
821 typedef struct ssl3_buf_freelist_st
825 struct ssl3_buf_freelist_entry_st
*head
;
828 typedef struct ssl3_buf_freelist_entry_st
830 struct ssl3_buf_freelist_entry_st
*next
;
831 } SSL3_BUF_FREELIST_ENTRY
;
834 extern SSL3_ENC_METHOD ssl3_undef_enc_method
;
835 OPENSSL_EXTERN
const SSL_CIPHER ssl3_ciphers
[];
838 SSL_METHOD
*ssl_bad_method(int ver
);
840 extern const SSL3_ENC_METHOD TLSv1_enc_data
;
841 extern const SSL3_ENC_METHOD TLSv1_1_enc_data
;
842 extern const SSL3_ENC_METHOD TLSv1_2_enc_data
;
843 extern const SSL3_ENC_METHOD SSLv3_enc_data
;
844 extern const SSL3_ENC_METHOD DTLSv1_enc_data
;
845 extern const SSL3_ENC_METHOD DTLSv1_2_enc_data
;
847 #define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
848 s_get_meth, enc_data) \
849 const SSL_METHOD *func_name(void) \
851 static const SSL_METHOD func_name##_data= { \
863 ssl3_renegotiate_check, \
867 ssl3_dispatch_alert, \
870 ssl3_get_cipher_by_char, \
871 ssl3_put_cipher_by_char, \
876 tls1_default_timeout, \
878 ssl_undefined_void_function, \
879 ssl3_callback_ctrl, \
880 ssl3_ctx_callback_ctrl, \
882 return &func_name##_data; \
885 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
886 const SSL_METHOD *func_name(void) \
888 static const SSL_METHOD func_name##_data= { \
900 ssl3_renegotiate_check, \
904 ssl3_dispatch_alert, \
907 ssl3_get_cipher_by_char, \
908 ssl3_put_cipher_by_char, \
913 ssl3_default_timeout, \
915 ssl_undefined_void_function, \
916 ssl3_callback_ctrl, \
917 ssl3_ctx_callback_ctrl, \
919 return &func_name##_data; \
922 #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
923 const SSL_METHOD *func_name(void) \
925 static const SSL_METHOD func_name##_data= { \
935 ssl_undefined_function, \
936 ssl_undefined_function, \
941 ssl3_dispatch_alert, \
944 ssl23_get_cipher_by_char, \
945 ssl23_put_cipher_by_char, \
946 ssl_undefined_const_function, \
950 ssl23_default_timeout, \
952 ssl_undefined_void_function, \
953 ssl3_callback_ctrl, \
954 ssl3_ctx_callback_ctrl, \
956 return &func_name##_data; \
959 #define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \
960 s_get_meth, enc_data) \
961 const SSL_METHOD *func_name(void) \
963 static const SSL_METHOD func_name##_data= { \
975 ssl3_renegotiate_check, \
978 dtls1_write_app_data_bytes, \
979 dtls1_dispatch_alert, \
982 ssl3_get_cipher_by_char, \
983 ssl3_put_cipher_by_char, \
988 dtls1_default_timeout, \
990 ssl_undefined_void_function, \
991 ssl3_callback_ctrl, \
992 ssl3_ctx_callback_ctrl, \
994 return &func_name##_data; \
997 struct openssl_ssl_test_functions
999 int (*p_ssl_init_wbio_buffer
)(SSL
*s
, int push
);
1000 int (*p_ssl3_setup_buffers
)(SSL
*s
);
1001 int (*p_tls1_process_heartbeat
)(SSL
*s
);
1002 int (*p_dtls1_process_heartbeat
)(SSL
*s
);
1005 #ifndef OPENSSL_UNIT_TEST
1007 void ssl_clear_cipher_ctx(SSL
*s
);
1008 int ssl_clear_bad_session(SSL
*s
);
1009 CERT
*ssl_cert_new(void);
1010 CERT
*ssl_cert_dup(CERT
*cert
);
1011 void ssl_cert_set_default_md(CERT
*cert
);
1012 int ssl_cert_inst(CERT
**o
);
1013 void ssl_cert_clear_certs(CERT
*c
);
1014 void ssl_cert_free(CERT
*c
);
1015 SESS_CERT
*ssl_sess_cert_new(void);
1016 void ssl_sess_cert_free(SESS_CERT
*sc
);
1017 int ssl_set_peer_cert_type(SESS_CERT
*c
, int type
);
1018 int ssl_get_new_session(SSL
*s
, int session
);
1019 int ssl_get_prev_session(SSL
*s
, unsigned char *session
,int len
, const unsigned char *limit
);
1020 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
,const SSL_CIPHER
*b
);
1021 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
,
1023 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
* const *ap
,
1024 const SSL_CIPHER
* const *bp
);
1025 STACK_OF(SSL_CIPHER
) *ssl_bytes_to_cipher_list(SSL
*s
,unsigned char *p
,int num
,
1026 STACK_OF(SSL_CIPHER
) **skp
);
1027 int ssl_cipher_list_to_bytes(SSL
*s
,STACK_OF(SSL_CIPHER
) *sk
,unsigned char *p
,
1028 int (*put_cb
)(const SSL_CIPHER
*, unsigned char *));
1029 STACK_OF(SSL_CIPHER
) *ssl_create_cipher_list(const SSL_METHOD
*meth
,
1030 STACK_OF(SSL_CIPHER
) **pref
,
1031 STACK_OF(SSL_CIPHER
) **sorted
,
1032 const char *rule_str
, CERT
*c
);
1033 void ssl_update_cache(SSL
*s
, int mode
);
1034 int ssl_cipher_get_evp(const SSL_SESSION
*s
,const EVP_CIPHER
**enc
,
1035 const EVP_MD
**md
,int *mac_pkey_type
,int *mac_secret_size
, SSL_COMP
**comp
, int use_etm
);
1036 int ssl_get_handshake_digest(int i
,long *mask
,const EVP_MD
**md
);
1037 int ssl_cipher_get_cert_index(const SSL_CIPHER
*c
);
1038 const SSL_CIPHER
*ssl_get_cipher_by_char(SSL
*ssl
, const unsigned char *ptr
);
1039 int ssl_cert_set0_chain(SSL
*s
, SSL_CTX
*ctx
, STACK_OF(X509
) *chain
);
1040 int ssl_cert_set1_chain(SSL
*s
, SSL_CTX
*ctx
, STACK_OF(X509
) *chain
);
1041 int ssl_cert_add0_chain_cert(SSL
*s
, SSL_CTX
*ctx
, X509
*x
);
1042 int ssl_cert_add1_chain_cert(SSL
*s
, SSL_CTX
*ctx
, X509
*x
);
1043 int ssl_cert_select_current(CERT
*c
, X509
*x
);
1044 int ssl_cert_set_current(CERT
*c
, long arg
);
1045 X509
*ssl_cert_get0_next_certificate(CERT
*c
, int first
);
1046 void ssl_cert_set_cert_cb(CERT
*c
, int (*cb
)(SSL
*ssl
, void *arg
), void *arg
);
1048 int ssl_verify_cert_chain(SSL
*s
,STACK_OF(X509
) *sk
);
1049 int ssl_add_cert_chain(SSL
*s
, CERT_PKEY
*cpk
, unsigned long *l
);
1050 int ssl_build_cert_chain(SSL
*s
, SSL_CTX
*ctx
, int flags
);
1051 int ssl_cert_set_cert_store(CERT
*c
, X509_STORE
*store
, int chain
, int ref
);
1053 int ssl_security(SSL
*s
, int op
, int bits
, int nid
, void *other
);
1054 int ssl_ctx_security(SSL_CTX
*ctx
, int op
, int bits
, int nid
, void *other
);
1056 int ssl_undefined_function(SSL
*s
);
1057 int ssl_undefined_void_function(void);
1058 int ssl_undefined_const_function(const SSL
*s
);
1059 CERT_PKEY
*ssl_get_server_send_pkey(const SSL
*s
);
1060 #ifndef OPENSSL_NO_TLSEXT
1061 int ssl_get_server_cert_serverinfo(SSL
*s
, const unsigned char **serverinfo
,
1062 size_t *serverinfo_length
);
1064 EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
,const SSL_CIPHER
*c
, const EVP_MD
**pmd
);
1065 int ssl_cert_type(X509
*x
,EVP_PKEY
*pkey
);
1066 void ssl_set_cert_masks(CERT
*c
, const SSL_CIPHER
*cipher
);
1067 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
);
1068 int ssl_verify_alarm_type(long type
);
1069 void ssl_load_ciphers(void);
1070 int ssl_fill_hello_random(SSL
*s
, int server
, unsigned char *field
, int len
);
1072 const SSL_CIPHER
*ssl3_get_cipher_by_char(const unsigned char *p
);
1073 int ssl3_put_cipher_by_char(const SSL_CIPHER
*c
,unsigned char *p
);
1074 void ssl3_init_finished_mac(SSL
*s
);
1075 int ssl3_send_server_certificate(SSL
*s
);
1076 int ssl3_send_newsession_ticket(SSL
*s
);
1077 int ssl3_send_cert_status(SSL
*s
);
1078 int ssl3_get_finished(SSL
*s
,int state_a
,int state_b
);
1079 int ssl3_setup_key_block(SSL
*s
);
1080 int ssl3_send_change_cipher_spec(SSL
*s
,int state_a
,int state_b
);
1081 int ssl3_change_cipher_state(SSL
*s
,int which
);
1082 void ssl3_cleanup_key_block(SSL
*s
);
1083 int ssl3_do_write(SSL
*s
,int type
);
1084 int ssl3_send_alert(SSL
*s
,int level
, int desc
);
1085 int ssl3_generate_master_secret(SSL
*s
, unsigned char *out
,
1086 unsigned char *p
, int len
);
1087 int ssl3_get_req_cert_type(SSL
*s
,unsigned char *p
);
1088 long ssl3_get_message(SSL
*s
, int st1
, int stn
, int mt
, long max
, int *ok
);
1089 int ssl3_send_finished(SSL
*s
, int a
, int b
, const char *sender
,int slen
);
1090 int ssl3_num_ciphers(void);
1091 const SSL_CIPHER
*ssl3_get_cipher(unsigned int u
);
1092 int ssl3_renegotiate(SSL
*ssl
);
1093 int ssl3_renegotiate_check(SSL
*ssl
);
1094 int ssl3_dispatch_alert(SSL
*s
);
1095 int ssl3_read_bytes(SSL
*s
, int type
, unsigned char *buf
, int len
, int peek
);
1096 int ssl3_write_bytes(SSL
*s
, int type
, const void *buf
, int len
);
1097 int ssl3_final_finish_mac(SSL
*s
, const char *sender
, int slen
,unsigned char *p
);
1098 int ssl3_cert_verify_mac(SSL
*s
, int md_nid
, unsigned char *p
);
1099 void ssl3_finish_mac(SSL
*s
, const unsigned char *buf
, int len
);
1100 int ssl3_enc(SSL
*s
, int send_data
);
1101 int n_ssl3_mac(SSL
*ssl
, unsigned char *md
, int send_data
);
1102 void ssl3_free_digest_list(SSL
*s
);
1103 unsigned long ssl3_output_cert_chain(SSL
*s
, CERT_PKEY
*cpk
);
1104 SSL_CIPHER
*ssl3_choose_cipher(SSL
*ssl
,STACK_OF(SSL_CIPHER
) *clnt
,
1105 STACK_OF(SSL_CIPHER
) *srvr
);
1106 int ssl3_setup_buffers(SSL
*s
);
1107 int ssl3_setup_read_buffer(SSL
*s
);
1108 int ssl3_setup_write_buffer(SSL
*s
);
1109 int ssl3_release_read_buffer(SSL
*s
);
1110 int ssl3_release_write_buffer(SSL
*s
);
1111 int ssl3_digest_cached_records(SSL
*s
);
1112 int ssl3_new(SSL
*s
);
1113 void ssl3_free(SSL
*s
);
1114 int ssl3_accept(SSL
*s
);
1115 int ssl3_connect(SSL
*s
);
1116 int ssl3_read(SSL
*s
, void *buf
, int len
);
1117 int ssl3_peek(SSL
*s
, void *buf
, int len
);
1118 int ssl3_write(SSL
*s
, const void *buf
, int len
);
1119 int ssl3_shutdown(SSL
*s
);
1120 void ssl3_clear(SSL
*s
);
1121 long ssl3_ctrl(SSL
*s
,int cmd
, long larg
, void *parg
);
1122 long ssl3_ctx_ctrl(SSL_CTX
*s
,int cmd
, long larg
, void *parg
);
1123 long ssl3_callback_ctrl(SSL
*s
,int cmd
, void (*fp
)(void));
1124 long ssl3_ctx_callback_ctrl(SSL_CTX
*s
,int cmd
, void (*fp
)(void));
1125 int ssl3_pending(const SSL
*s
);
1127 void ssl3_record_sequence_update(unsigned char *seq
);
1128 int ssl3_do_change_cipher_spec(SSL
*ssl
);
1129 long ssl3_default_timeout(void );
1131 void ssl3_set_handshake_header(SSL
*s
, int htype
, unsigned long len
);
1132 int ssl3_handshake_write(SSL
*s
);
1134 int ssl23_num_ciphers(void );
1135 const SSL_CIPHER
*ssl23_get_cipher(unsigned int u
);
1136 int ssl23_read(SSL
*s
, void *buf
, int len
);
1137 int ssl23_peek(SSL
*s
, void *buf
, int len
);
1138 int ssl23_write(SSL
*s
, const void *buf
, int len
);
1139 int ssl23_put_cipher_by_char(const SSL_CIPHER
*c
, unsigned char *p
);
1140 const SSL_CIPHER
*ssl23_get_cipher_by_char(const unsigned char *p
);
1141 long ssl23_default_timeout(void );
1143 int ssl_allow_compression(SSL
*s
);
1145 long tls1_default_timeout(void);
1146 int dtls1_do_write(SSL
*s
,int type
);
1147 int ssl3_read_n(SSL
*s
, int n
, int max
, int extend
);
1148 int dtls1_read_bytes(SSL
*s
, int type
, unsigned char *buf
, int len
, int peek
);
1149 int ssl3_do_compress(SSL
*ssl
);
1150 int ssl3_do_uncompress(SSL
*ssl
);
1151 int ssl3_write_pending(SSL
*s
, int type
, const unsigned char *buf
,
1153 unsigned char *dtls1_set_message_header(SSL
*s
,
1154 unsigned char *p
, unsigned char mt
, unsigned long len
,
1155 unsigned long frag_off
, unsigned long frag_len
);
1157 int dtls1_write_app_data_bytes(SSL
*s
, int type
, const void *buf
, int len
);
1158 int dtls1_write_bytes(SSL
*s
, int type
, const void *buf
, int len
);
1160 int dtls1_send_change_cipher_spec(SSL
*s
, int a
, int b
);
1161 int dtls1_send_finished(SSL
*s
, int a
, int b
, const char *sender
, int slen
);
1162 int dtls1_read_failed(SSL
*s
, int code
);
1163 int dtls1_buffer_message(SSL
*s
, int ccs
);
1164 int dtls1_retransmit_message(SSL
*s
, unsigned short seq
,
1165 unsigned long frag_off
, int *found
);
1166 int dtls1_get_queue_priority(unsigned short seq
, int is_ccs
);
1167 int dtls1_retransmit_buffered_messages(SSL
*s
);
1168 void dtls1_clear_record_buffer(SSL
*s
);
1169 void dtls1_get_message_header(unsigned char *data
, struct hm_header_st
*msg_hdr
);
1170 void dtls1_get_ccs_header(unsigned char *data
, struct ccs_header_st
*ccs_hdr
);
1171 void dtls1_reset_seq_numbers(SSL
*s
, int rw
);
1172 long dtls1_default_timeout(void);
1173 struct timeval
* dtls1_get_timeout(SSL
*s
, struct timeval
* timeleft
);
1174 int dtls1_check_timeout_num(SSL
*s
);
1175 int dtls1_handle_timeout(SSL
*s
);
1176 const SSL_CIPHER
*dtls1_get_cipher(unsigned int u
);
1177 void dtls1_start_timer(SSL
*s
);
1178 void dtls1_stop_timer(SSL
*s
);
1179 int dtls1_is_timer_expired(SSL
*s
);
1180 void dtls1_double_timeout(SSL
*s
);
1181 int dtls1_send_newsession_ticket(SSL
*s
);
1182 unsigned int dtls1_min_mtu(SSL
*s
);
1183 unsigned int dtls1_link_min_mtu(void);
1184 void dtls1_hm_fragment_free(hm_fragment
*frag
);
1186 /* some client-only functions */
1187 int ssl3_client_hello(SSL
*s
);
1188 int ssl3_get_server_hello(SSL
*s
);
1189 int ssl3_get_certificate_request(SSL
*s
);
1190 int ssl3_get_new_session_ticket(SSL
*s
);
1191 int ssl3_get_cert_status(SSL
*s
);
1192 int ssl3_get_server_done(SSL
*s
);
1193 int ssl3_send_client_verify(SSL
*s
);
1194 int ssl3_send_client_certificate(SSL
*s
);
1195 int ssl_do_client_cert_cb(SSL
*s
, X509
**px509
, EVP_PKEY
**ppkey
);
1196 int ssl3_send_client_key_exchange(SSL
*s
);
1197 int ssl3_get_key_exchange(SSL
*s
);
1198 int ssl3_get_server_certificate(SSL
*s
);
1199 int ssl3_check_cert_and_algorithm(SSL
*s
);
1200 #ifndef OPENSSL_NO_TLSEXT
1201 # ifndef OPENSSL_NO_NEXTPROTONEG
1202 int ssl3_send_next_proto(SSL
*s
);
1206 int dtls1_client_hello(SSL
*s
);
1208 /* some server-only functions */
1209 int ssl3_get_client_hello(SSL
*s
);
1210 int ssl3_send_server_hello(SSL
*s
);
1211 int ssl3_send_hello_request(SSL
*s
);
1212 int ssl3_send_server_key_exchange(SSL
*s
);
1213 int ssl3_send_certificate_request(SSL
*s
);
1214 int ssl3_send_server_done(SSL
*s
);
1215 int ssl3_get_client_certificate(SSL
*s
);
1216 int ssl3_get_client_key_exchange(SSL
*s
);
1217 int ssl3_get_cert_verify(SSL
*s
);
1218 #ifndef OPENSSL_NO_NEXTPROTONEG
1219 int ssl3_get_next_proto(SSL
*s
);
1222 int ssl23_accept(SSL
*s
);
1223 int ssl23_connect(SSL
*s
);
1224 int ssl23_read_bytes(SSL
*s
, int n
);
1225 int ssl23_write_bytes(SSL
*s
);
1227 int tls1_new(SSL
*s
);
1228 void tls1_free(SSL
*s
);
1229 void tls1_clear(SSL
*s
);
1230 long tls1_ctrl(SSL
*s
,int cmd
, long larg
, void *parg
);
1231 long tls1_callback_ctrl(SSL
*s
,int cmd
, void (*fp
)(void));
1233 int dtls1_new(SSL
*s
);
1234 int dtls1_accept(SSL
*s
);
1235 int dtls1_connect(SSL
*s
);
1236 void dtls1_free(SSL
*s
);
1237 void dtls1_clear(SSL
*s
);
1238 long dtls1_ctrl(SSL
*s
,int cmd
, long larg
, void *parg
);
1239 int dtls1_shutdown(SSL
*s
);
1241 long dtls1_get_message(SSL
*s
, int st1
, int stn
, int mt
, long max
, int *ok
);
1242 int dtls1_get_record(SSL
*s
);
1243 int do_dtls1_write(SSL
*s
, int type
, const unsigned char *buf
,
1244 unsigned int len
, int create_empty_fragement
);
1245 int dtls1_dispatch_alert(SSL
*s
);
1247 int ssl_init_wbio_buffer(SSL
*s
, int push
);
1248 void ssl_free_wbio_buffer(SSL
*s
);
1250 int tls1_change_cipher_state(SSL
*s
, int which
);
1251 int tls1_setup_key_block(SSL
*s
);
1252 int tls1_enc(SSL
*s
, int snd
);
1253 int tls1_final_finish_mac(SSL
*s
,
1254 const char *str
, int slen
, unsigned char *p
);
1255 int tls1_cert_verify_mac(SSL
*s
, int md_nid
, unsigned char *p
);
1256 int tls1_mac(SSL
*ssl
, unsigned char *md
, int snd
);
1257 int tls1_generate_master_secret(SSL
*s
, unsigned char *out
,
1258 unsigned char *p
, int len
);
1259 int tls1_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
1260 const char *label
, size_t llen
,
1261 const unsigned char *p
, size_t plen
, int use_context
);
1262 int tls1_alert_code(int code
);
1263 int ssl3_alert_code(int code
);
1266 #ifndef OPENSSL_NO_ECDH
1267 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
);
1270 SSL_COMP
*ssl3_comp_find(STACK_OF(SSL_COMP
) *sk
, int n
);
1272 #ifndef OPENSSL_NO_EC
1273 int tls1_ec_curve_id2nid(int curve_id
);
1274 int tls1_ec_nid2curve_id(int nid
);
1275 int tls1_check_curve(SSL
*s
, const unsigned char *p
, size_t len
);
1276 int tls1_shared_curve(SSL
*s
, int nmatch
);
1277 int tls1_set_curves(unsigned char **pext
, size_t *pextlen
,
1278 int *curves
, size_t ncurves
);
1279 int tls1_set_curves_list(unsigned char **pext
, size_t *pextlen
,
1281 #ifndef OPENSSL_NO_ECDH
1282 int tls1_check_ec_tmp_key(SSL
*s
, unsigned long id
);
1283 #endif /* OPENSSL_NO_ECDH */
1284 #endif /* OPENSSL_NO_EC */
1286 #ifndef OPENSSL_NO_TLSEXT
1287 int tls1_shared_list(SSL
*s
,
1288 const unsigned char *l1
, size_t l1len
,
1289 const unsigned char *l2
, size_t l2len
,
1291 unsigned char *ssl_add_clienthello_tlsext(SSL
*s
, unsigned char *buf
, unsigned char *limit
, int *al
);
1292 unsigned char *ssl_add_serverhello_tlsext(SSL
*s
, unsigned char *buf
, unsigned char *limit
, int *al
);
1293 int ssl_parse_clienthello_tlsext(SSL
*s
, unsigned char **data
, unsigned char *d
, int n
);
1294 int tls1_set_server_sigalgs(SSL
*s
);
1295 int ssl_check_clienthello_tlsext_late(SSL
*s
);
1296 int ssl_parse_serverhello_tlsext(SSL
*s
, unsigned char **data
, unsigned char *d
, int n
);
1297 int ssl_prepare_clienthello_tlsext(SSL
*s
);
1298 int ssl_prepare_serverhello_tlsext(SSL
*s
);
1300 #ifndef OPENSSL_NO_HEARTBEATS
1301 int tls1_heartbeat(SSL
*s
);
1302 int dtls1_heartbeat(SSL
*s
);
1303 int tls1_process_heartbeat(SSL
*s
);
1304 int dtls1_process_heartbeat(SSL
*s
);
1307 #ifdef OPENSSL_NO_SHA256
1308 #define tlsext_tick_md EVP_sha1
1310 #define tlsext_tick_md EVP_sha256
1312 int tls1_process_ticket(SSL
*s
, unsigned char *session_id
, int len
,
1313 const unsigned char *limit
, SSL_SESSION
**ret
);
1315 int tls12_get_sigandhash(unsigned char *p
, const EVP_PKEY
*pk
,
1317 int tls12_get_sigid(const EVP_PKEY
*pk
);
1318 const EVP_MD
*tls12_get_hash(unsigned char hash_alg
);
1319 void ssl_set_sig_mask(unsigned long *pmask_a
, SSL
*s
, int op
);
1321 int tls1_set_sigalgs_list(CERT
*c
, const char *str
, int client
);
1322 int tls1_set_sigalgs(CERT
*c
, const int *salg
, size_t salglen
, int client
);
1323 int tls1_check_chain(SSL
*s
, X509
*x
, EVP_PKEY
*pk
, STACK_OF(X509
) *chain
,
1325 void tls1_set_cert_validity(SSL
*s
);
1328 #ifndef OPENSSL_NO_DH
1329 DH
*ssl_get_auto_dh(SSL
*s
);
1332 int ssl_security_cert(SSL
*s
, SSL_CTX
*ctx
, X509
*x
, int vfy
, int is_ee
);
1333 int ssl_security_cert_chain(SSL
*s
, STACK_OF(X509
) *sk
, X509
*ex
, int vfy
);
1335 EVP_MD_CTX
* ssl_replace_hash(EVP_MD_CTX
**hash
,const EVP_MD
*md
) ;
1336 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
);
1337 int ssl_add_serverhello_renegotiate_ext(SSL
*s
, unsigned char *p
, int *len
,
1339 int ssl_parse_serverhello_renegotiate_ext(SSL
*s
, unsigned char *d
, int len
,
1341 int ssl_add_clienthello_renegotiate_ext(SSL
*s
, unsigned char *p
, int *len
,
1343 int ssl_parse_clienthello_renegotiate_ext(SSL
*s
, unsigned char *d
, int len
,
1345 long ssl_get_algorithm2(SSL
*s
);
1346 size_t tls12_copy_sigalgs(SSL
*s
, unsigned char *out
,
1347 const unsigned char *psig
, size_t psiglen
);
1348 int tls1_save_sigalgs(SSL
*s
, const unsigned char *data
, int dsize
);
1349 int tls1_process_sigalgs(SSL
*s
);
1350 size_t tls12_get_psigalgs(SSL
*s
, const unsigned char **psigs
);
1351 int tls12_check_peer_sigalg(const EVP_MD
**pmd
, SSL
*s
,
1352 const unsigned char *sig
, EVP_PKEY
*pkey
);
1353 void ssl_set_client_disabled(SSL
*s
);
1354 int ssl_cipher_disabled(SSL
*s
, const SSL_CIPHER
*c
, int op
);
1356 int ssl_add_clienthello_use_srtp_ext(SSL
*s
, unsigned char *p
, int *len
, int maxlen
);
1357 int ssl_parse_clienthello_use_srtp_ext(SSL
*s
, unsigned char *d
, int len
,int *al
);
1358 int ssl_add_serverhello_use_srtp_ext(SSL
*s
, unsigned char *p
, int *len
, int maxlen
);
1359 int ssl_parse_serverhello_use_srtp_ext(SSL
*s
, unsigned char *d
, int len
,int *al
);
1362 void ssl3_cbc_copy_mac(unsigned char* out
,
1363 const SSL3_RECORD
*rec
,
1365 int ssl3_cbc_remove_padding(const SSL
* s
,
1367 unsigned block_size
,
1369 int tls1_cbc_remove_padding(const SSL
* s
,
1371 unsigned block_size
,
1373 char ssl3_cbc_record_digest_supported(const EVP_MD_CTX
*ctx
);
1374 void ssl3_cbc_digest_record(
1375 const EVP_MD_CTX
*ctx
,
1376 unsigned char* md_out
,
1377 size_t* md_out_size
,
1378 const unsigned char header
[13],
1379 const unsigned char *data
,
1380 size_t data_plus_mac_size
,
1381 size_t data_plus_mac_plus_padding_size
,
1382 const unsigned char *mac_secret
,
1383 unsigned mac_secret_length
,
1386 void tls_fips_digest_extra(
1387 const EVP_CIPHER_CTX
*cipher_ctx
, EVP_MD_CTX
*mac_ctx
,
1388 const unsigned char *data
, size_t data_len
, size_t orig_len
);
1390 int srp_verify_server_param(SSL
*s
, int *al
);
1394 void custom_ext_init(custom_ext_methods
*meths
);
1396 int custom_ext_parse(SSL
*s
, int server
,
1397 unsigned int ext_type
,
1398 const unsigned char *ext_data
,
1401 int custom_ext_add(SSL
*s
, int server
,
1402 unsigned char **pret
,
1403 unsigned char *limit
,
1406 int custom_exts_copy(custom_ext_methods
*dst
, const custom_ext_methods
*src
);
1407 void custom_exts_free(custom_ext_methods
*exts
);
1411 #define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
1412 #define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
1413 #define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat
1414 #define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat