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) 1998-2018 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)
262 # define SSL_MAX_2_BYTE_LEN (0xffff)
266 # define SSL_DECRYPT 0
267 # define SSL_ENCRYPT 1
269 # define TWO_BYTE_BIT 0x80
270 # define SEC_ESC_BIT 0x40
271 # define TWO_BYTE_MASK 0x7fff
272 # define THREE_BYTE_MASK 0x3fff
274 # define INC32(a) ((a)=((a)+1)&0xffffffffL)
275 # define DEC32(a) ((a)=((a)-1)&0xffffffffL)
276 # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
279 * Define the Bitmasks for SSL_CIPHER.algorithms.
280 * This bits are used packed as dense as possible. If new methods/ciphers
281 * etc will be added, the bits a likely to change, so this information
282 * is for internal library use only, even though SSL_CIPHER.algorithms
283 * can be publicly accessed.
284 * Use the according functions for cipher management instead.
286 * The bit mask handling in the selection and sorting scheme in
287 * ssl_create_cipher_list() has only limited capabilities, reflecting
288 * that the different entities within are mutually exclusive:
289 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
292 /* Bits for algorithm_mkey (key exchange algorithm) */
293 /* RSA key exchange */
294 # define SSL_kRSA 0x00000001L
295 /* DH cert, RSA CA cert */
296 # define SSL_kDHr 0x00000002L
297 /* DH cert, DSA CA cert */
298 # define SSL_kDHd 0x00000004L
299 /* tmp DH key no DH cert */
300 # define SSL_kEDH 0x00000008L
301 /* forward-compatible synonym */
302 # define SSL_kDHE SSL_kEDH
303 /* Kerberos5 key exchange */
304 # define SSL_kKRB5 0x00000010L
305 /* ECDH cert, RSA CA cert */
306 # define SSL_kECDHr 0x00000020L
307 /* ECDH cert, ECDSA CA cert */
308 # define SSL_kECDHe 0x00000040L
310 # define SSL_kEECDH 0x00000080L
311 /* forward-compatible synonym */
312 # define SSL_kECDHE SSL_kEECDH
314 # define SSL_kPSK 0x00000100L
315 /* GOST key exchange */
316 # define SSL_kGOST 0x00000200L
318 # define SSL_kSRP 0x00000400L
320 /* Bits for algorithm_auth (server authentication) */
322 # define SSL_aRSA 0x00000001L
324 # define SSL_aDSS 0x00000002L
325 /* no auth (i.e. use ADH or AECDH) */
326 # define SSL_aNULL 0x00000004L
327 /* Fixed DH auth (kDHd or kDHr) */
328 # define SSL_aDH 0x00000008L
329 /* Fixed ECDH auth (kECDHe or kECDHr) */
330 # define SSL_aECDH 0x00000010L
332 # define SSL_aKRB5 0x00000020L
334 # define SSL_aECDSA 0x00000040L
336 # define SSL_aPSK 0x00000080L
337 /* GOST R 34.10-94 signature auth */
338 # define SSL_aGOST94 0x00000100L
339 /* GOST R 34.10-2001 signature auth */
340 # define SSL_aGOST01 0x00000200L
342 # define SSL_aSRP 0x00000400L
344 /* Bits for algorithm_enc (symmetric encryption) */
345 # define SSL_DES 0x00000001L
346 # define SSL_3DES 0x00000002L
347 # define SSL_RC4 0x00000004L
348 # define SSL_RC2 0x00000008L
349 # define SSL_IDEA 0x00000010L
350 # define SSL_eNULL 0x00000020L
351 # define SSL_AES128 0x00000040L
352 # define SSL_AES256 0x00000080L
353 # define SSL_CAMELLIA128 0x00000100L
354 # define SSL_CAMELLIA256 0x00000200L
355 # define SSL_eGOST2814789CNT 0x00000400L
356 # define SSL_SEED 0x00000800L
357 # define SSL_AES128GCM 0x00001000L
358 # define SSL_AES256GCM 0x00002000L
360 # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM)
361 # 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_SSLV2 0x00000001UL
376 # define SSL_SSLV3 0x00000002UL
377 # define SSL_TLSV1 SSL_SSLV3/* for now */
378 # define SSL_TLSV1_2 0x00000004UL
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)
390 * When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX make
391 * sure to update this constant too
393 # define SSL_MAX_DIGEST 6
395 # define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT)
397 # define TLS1_PRF_DGST_SHIFT 10
398 # define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT)
399 # define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT)
400 # define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT)
401 # define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT)
402 # define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT)
403 # define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1)
406 * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also
407 * goes into algorithm2)
409 # define TLS1_STREAM_MAC 0x04
412 * Export and cipher strength information. For each cipher we have to decide
413 * whether it is exportable or not. This information is likely to change
414 * over time, since the export control rules are no static technical issue.
416 * Independent of the export flag the cipher strength is sorted into classes.
417 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
418 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
419 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
420 * since SSL_EXP64 could be similar to SSL_LOW.
421 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
422 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
423 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
426 # define SSL_EXP_MASK 0x00000003L
427 # define SSL_STRONG_MASK 0x000001fcL
429 # define SSL_NOT_EXP 0x00000001L
430 # define SSL_EXPORT 0x00000002L
432 # define SSL_STRONG_NONE 0x00000004L
433 # define SSL_EXP40 0x00000008L
434 # define SSL_MICRO (SSL_EXP40)
435 # define SSL_EXP56 0x00000010L
436 # define SSL_MINI (SSL_EXP56)
437 # define SSL_LOW 0x00000020L
438 # define SSL_MEDIUM 0x00000040L
439 # define SSL_HIGH 0x00000080L
440 # define SSL_FIPS 0x00000100L
441 # define SSL_NOT_DEFAULT 0x00000200L
443 /* we have used 000003ff - 22 bits left to go */
446 * Macros to check the export status and cipher strength for export ciphers.
447 * Even though the macros for EXPORT and EXPORT40/56 have similar names,
448 * their meaning is different:
449 * *_EXPORT macros check the 'exportable' status.
450 * *_EXPORT40/56 macros are used to check whether a certain cipher strength
452 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
453 * algorithm structure element to be passed (algorithms, algo_strength) and no
454 * typechecking can be done as they are all of type unsigned long, their
455 * direct usage is discouraged.
456 * Use the SSL_C_* macros instead.
458 # define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
459 # define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
460 # define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
461 # define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
462 # define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
463 # define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
465 # define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
466 (a) == SSL_DES ? 8 : 7)
467 # define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
468 # define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
470 # define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
472 /* Check if an SSL structure is using DTLS */
473 # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
474 /* See if we need explicit IV */
475 # define SSL_USE_EXPLICIT_IV(s) \
476 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV)
478 * See if we use signature algorithms extension and signature algorithm
481 # define SSL_USE_SIGALGS(s) \
482 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS)
484 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
485 * apply to others in future.
487 # define SSL_USE_TLS1_2_CIPHERS(s) \
488 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)
490 * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method
491 * flags because it may not be set to correct version yet.
493 # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \
494 ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \
495 (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION))
497 * Determine if a client should send signature algorithms extension:
498 * as with TLS1.2 cipher we can't rely on method flags.
500 # define SSL_CLIENT_USE_SIGALGS(s) \
501 SSL_CLIENT_USE_TLS1_2_CIPHERS(s)
503 /* Mostly for SSLv3 */
504 # define SSL_PKEY_RSA_ENC 0
505 # define SSL_PKEY_RSA_SIGN 1
506 # define SSL_PKEY_DSA_SIGN 2
507 # define SSL_PKEY_DH_RSA 3
508 # define SSL_PKEY_DH_DSA 4
509 # define SSL_PKEY_ECC 5
510 # define SSL_PKEY_GOST94 6
511 # define SSL_PKEY_GOST01 7
512 # define SSL_PKEY_NUM 8
515 * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
516 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
517 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
518 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
519 * SSL_aRSA <- RSA_ENC | RSA_SIGN
520 * SSL_aDSS <- DSA_SIGN
524 #define CERT_INVALID 0
525 #define CERT_PUBLIC_KEY 1
526 #define CERT_PRIVATE_KEY 2
529 # ifndef OPENSSL_NO_EC
531 * From ECC-TLS draft, used in encoding the curve type in ECParameters
533 # define EXPLICIT_PRIME_CURVE_TYPE 1
534 # define EXPLICIT_CHAR2_CURVE_TYPE 2
535 # define NAMED_CURVE_TYPE 3
536 # endif /* OPENSSL_NO_EC */
538 typedef struct cert_pkey_st {
540 EVP_PKEY *privatekey;
541 /* Digest to use when signing */
542 const EVP_MD *digest;
543 /* Chain for this certificate */
544 STACK_OF(X509) *chain;
545 # ifndef OPENSSL_NO_TLSEXT
547 * serverinfo data for this certificate. The data is in TLS Extension
548 * wire format, specifically it's a series of records like:
549 * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension)
551 * uint8_t data[length];
553 unsigned char *serverinfo;
554 size_t serverinfo_length;
557 * Set if CERT_PKEY can be used with current SSL session: e.g.
558 * appropriate curve, signature algorithms etc. If zero it can't be used
563 /* Retrieve Suite B flags */
564 # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS)
565 /* Uses to check strict mode: suite B modes are always strict */
566 # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \
567 (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT)
570 unsigned short ext_type;
572 * Per-connection flags relating to this extension type: not used if
573 * part of an SSL_CTX structure.
575 unsigned short ext_flags;
576 custom_ext_add_cb add_cb;
577 custom_ext_free_cb free_cb;
579 custom_ext_parse_cb parse_cb;
583 /* ext_flags values */
586 * Indicates an extension has been received. Used to check for unsolicited or
587 * duplicate extensions.
589 # define SSL_EXT_FLAG_RECEIVED 0x1
591 * Indicates an extension has been sent: used to enable sending of
592 * corresponding ServerHello extension.
594 # define SSL_EXT_FLAG_SENT 0x2
596 # define MAX_WARN_ALERT_COUNT 5
599 custom_ext_method *meths;
601 } custom_ext_methods;
603 typedef struct cert_st {
604 /* Current active set */
606 * ALWAYS points to an element of the pkeys array
607 * Probably it would make more sense to store
608 * an index, not a pointer.
612 * For servers the following masks are for the key and auth algorithms
613 * that are supported by the certs below. For clients they are masks of
614 * *disabled* algorithms based on the current session.
617 unsigned long mask_k;
618 unsigned long mask_a;
619 unsigned long export_mask_k;
620 unsigned long export_mask_a;
622 unsigned long mask_ssl;
623 # ifndef OPENSSL_NO_RSA
625 RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize);
627 # ifndef OPENSSL_NO_DH
629 DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize);
631 # ifndef OPENSSL_NO_ECDH
633 /* Callback for generating ephemeral ECDH keys */
634 EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize);
635 /* Select ECDH parameters automatically */
638 /* Flags related to certificates */
639 unsigned int cert_flags;
640 CERT_PKEY pkeys[SSL_PKEY_NUM];
642 * Certificate types (received or sent) in certificate request message.
643 * On receive this is only set if number of certificate types exceeds
646 unsigned char *ctypes;
649 * signature algorithms peer reports: e.g. supported signature algorithms
650 * extension for server or as part of a certificate request for client.
652 unsigned char *peer_sigalgs;
653 /* Size of above array */
654 size_t peer_sigalgslen;
656 * suppported signature algorithms. When set on a client this is sent in
657 * the client hello as the supported signature algorithms extension. For
658 * servers it represents the signature algorithms we are willing to use.
660 unsigned char *conf_sigalgs;
661 /* Size of above array */
662 size_t conf_sigalgslen;
664 * Client authentication signature algorithms, if not set then uses
665 * conf_sigalgs. On servers these will be the signature algorithms sent
666 * to the client in a cerificate request for TLS 1.2. On a client this
667 * represents the signature algortithms we are willing to use for client
670 unsigned char *client_sigalgs;
671 /* Size of above array */
672 size_t client_sigalgslen;
674 * Signature algorithms shared by client and server: cached because these
675 * are used most often.
677 TLS_SIGALGS *shared_sigalgs;
678 size_t shared_sigalgslen;
680 * Certificate setup callback: if set is called whenever a certificate
681 * may be required (client or server). the callback can then examine any
682 * appropriate parameters and setup any certificates required. This
683 * allows advanced applications to select certificates on the fly: for
684 * example based on supported signature algorithms or curves.
686 int (*cert_cb) (SSL *ssl, void *arg);
689 * Optional X509_STORE for chain building or certificate validation If
690 * NULL the parent SSL_CTX store is used instead.
692 X509_STORE *chain_store;
693 X509_STORE *verify_store;
694 /* Raw values of the cipher list from a client */
695 unsigned char *ciphers_raw;
696 size_t ciphers_rawlen;
697 /* Custom extension methods for server and client */
698 custom_ext_methods cli_ext;
699 custom_ext_methods srv_ext;
700 int references; /* >1 only if SSL_copy_session_id is used */
701 /* non-optimal, but here due to compatibility */
702 unsigned char *alpn_proposed; /* server */
703 unsigned int alpn_proposed_len;
704 int alpn_sent; /* client */
705 /* Count of the number of consecutive warning alerts received */
706 unsigned int alert_count;
709 typedef struct sess_cert_st {
710 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
711 /* The 'peer_...' members are used only by clients. */
713 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never
715 CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
717 * Obviously we don't have the private keys of these, so maybe we
718 * shouldn't even use the CERT_PKEY type here.
720 # ifndef OPENSSL_NO_RSA
721 RSA *peer_rsa_tmp; /* not used for SSL 2 */
723 # ifndef OPENSSL_NO_DH
724 DH *peer_dh_tmp; /* not used for SSL 2 */
726 # ifndef OPENSSL_NO_ECDH
727 EC_KEY *peer_ecdh_tmp;
729 int references; /* actually always 1 at the moment */
731 /* Structure containing decoded values of signature algorithms extension */
732 struct tls_sigalgs_st {
733 /* NID of hash algorithm */
735 /* NID of signature algorithm */
737 /* Combined hash and signature NID */
739 /* Raw values used in extension */
752 * #define ABORT_DEBUG
755 * #define PKT_DEBUG 1
761 * #define DES_OFB_DEBUG
773 # define FP_ICC (int (*)(const void *,const void *))
774 # define ssl_put_cipher_by_char(ssl,ciph,ptr) \
775 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
778 * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit
779 * of a mess of functions, but hell, think of it as an opaque structure :-)
781 typedef struct ssl3_enc_method {
782 int (*enc) (SSL *, int);
783 int (*mac) (SSL *, unsigned char *, int);
784 int (*setup_key_block) (SSL *);
785 int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *,
787 int (*change_cipher_state) (SSL *, int);
788 int (*final_finish_mac) (SSL *, const char *, int, unsigned char *);
789 int finish_mac_length;
790 int (*cert_verify_mac) (SSL *, int, unsigned char *);
791 const char *client_finished_label;
792 int client_finished_label_len;
793 const char *server_finished_label;
794 int server_finished_label_len;
795 int (*alert_value) (int);
796 int (*export_keying_material) (SSL *, unsigned char *, size_t,
797 const char *, size_t,
798 const unsigned char *, size_t,
800 /* Various flags indicating protocol version requirements */
801 unsigned int enc_flags;
802 /* Handshake header length */
804 /* Set the handshake header */
805 void (*set_handshake_header) (SSL *s, int type, unsigned long len);
806 /* Write out handshake message */
807 int (*do_write) (SSL *s);
810 # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen
811 # define ssl_handshake_start(s) \
812 (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen)
813 # define ssl_set_handshake_header(s, htype, len) \
814 s->method->ssl3_enc->set_handshake_header(s, htype, len)
815 # define ssl_do_write(s) s->method->ssl3_enc->do_write(s)
817 /* Values for enc_flags */
819 /* Uses explicit IV for CBC mode */
820 # define SSL_ENC_FLAG_EXPLICIT_IV 0x1
821 /* Uses signature algorithms extension */
822 # define SSL_ENC_FLAG_SIGALGS 0x2
823 /* Uses SHA256 default PRF */
824 # define SSL_ENC_FLAG_SHA256_PRF 0x4
826 # define SSL_ENC_FLAG_DTLS 0x8
828 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
829 * apply to others in future.
831 # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10
833 # ifndef OPENSSL_NO_COMP
834 /* Used for holding the relevant compression methods loaded into SSL_CTX */
835 typedef struct ssl3_comp_st {
836 int comp_id; /* The identifier byte for this compression
838 char *name; /* Text name used for the compression type */
839 COMP_METHOD *method; /* The method :-) */
843 # ifndef OPENSSL_NO_BUF_FREELISTS
844 typedef struct ssl3_buf_freelist_st {
847 struct ssl3_buf_freelist_entry_st *head;
850 typedef struct ssl3_buf_freelist_entry_st {
851 struct ssl3_buf_freelist_entry_st *next;
852 } SSL3_BUF_FREELIST_ENTRY;
855 extern SSL3_ENC_METHOD ssl3_undef_enc_method;
856 OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[];
857 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
859 SSL_METHOD *ssl_bad_method(int ver);
861 extern SSL3_ENC_METHOD TLSv1_enc_data;
862 extern SSL3_ENC_METHOD TLSv1_1_enc_data;
863 extern SSL3_ENC_METHOD TLSv1_2_enc_data;
864 extern SSL3_ENC_METHOD SSLv3_enc_data;
865 extern SSL3_ENC_METHOD DTLSv1_enc_data;
866 extern SSL3_ENC_METHOD DTLSv1_2_enc_data;
868 # define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
869 s_get_meth, enc_data) \
870 const SSL_METHOD *func_name(void) \
872 static const SSL_METHOD func_name##_data= { \
884 ssl3_renegotiate_check, \
888 ssl3_dispatch_alert, \
891 ssl3_get_cipher_by_char, \
892 ssl3_put_cipher_by_char, \
897 tls1_default_timeout, \
899 ssl_undefined_void_function, \
900 ssl3_callback_ctrl, \
901 ssl3_ctx_callback_ctrl, \
903 return &func_name##_data; \
906 # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
907 const SSL_METHOD *func_name(void) \
909 static const SSL_METHOD func_name##_data= { \
921 ssl3_renegotiate_check, \
925 ssl3_dispatch_alert, \
928 ssl3_get_cipher_by_char, \
929 ssl3_put_cipher_by_char, \
934 ssl3_default_timeout, \
936 ssl_undefined_void_function, \
937 ssl3_callback_ctrl, \
938 ssl3_ctx_callback_ctrl, \
940 return &func_name##_data; \
943 # define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
944 const SSL_METHOD *func_name(void) \
946 static const SSL_METHOD func_name##_data= { \
956 ssl_undefined_function, \
957 ssl_undefined_function, \
962 ssl3_dispatch_alert, \
965 ssl23_get_cipher_by_char, \
966 ssl23_put_cipher_by_char, \
967 ssl_undefined_const_function, \
971 ssl23_default_timeout, \
973 ssl_undefined_void_function, \
974 ssl3_callback_ctrl, \
975 ssl3_ctx_callback_ctrl, \
977 return &func_name##_data; \
980 # define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
981 const SSL_METHOD *func_name(void) \
983 static const SSL_METHOD func_name##_data= { \
985 ssl2_new, /* local */ \
986 ssl2_clear, /* local */ \
987 ssl2_free, /* local */ \
994 ssl_ok, /* NULL - renegotiate */ \
995 ssl_ok, /* NULL - check renegotiate */ \
996 NULL, /* NULL - ssl_get_message */ \
997 NULL, /* NULL - ssl_get_record */ \
998 NULL, /* NULL - ssl_write_bytes */ \
999 NULL, /* NULL - dispatch_alert */ \
1000 ssl2_ctrl, /* local */ \
1001 ssl2_ctx_ctrl, /* local */ \
1002 ssl2_get_cipher_by_char, \
1003 ssl2_put_cipher_by_char, \
1008 ssl2_default_timeout, \
1009 &ssl3_undef_enc_method, \
1010 ssl_undefined_void_function, \
1011 ssl2_callback_ctrl, /* local */ \
1012 ssl2_ctx_callback_ctrl, /* local */ \
1014 return &func_name##_data; \
1017 # define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \
1018 s_get_meth, enc_data) \
1019 const SSL_METHOD *func_name(void) \
1021 static const SSL_METHOD func_name##_data= { \
1033 ssl3_renegotiate_check, \
1034 dtls1_get_message, \
1036 dtls1_write_app_data_bytes, \
1037 dtls1_dispatch_alert, \
1040 ssl3_get_cipher_by_char, \
1041 ssl3_put_cipher_by_char, \
1046 dtls1_default_timeout, \
1048 ssl_undefined_void_function, \
1049 ssl3_callback_ctrl, \
1050 ssl3_ctx_callback_ctrl, \
1052 return &func_name##_data; \
1055 struct openssl_ssl_test_functions {
1056 int (*p_ssl_init_wbio_buffer) (SSL *s, int push);
1057 int (*p_ssl3_setup_buffers) (SSL *s);
1058 int (*p_tls1_process_heartbeat) (SSL *s);
1059 int (*p_dtls1_process_heartbeat) (SSL *s);
1062 # ifndef OPENSSL_UNIT_TEST
1064 void ssl_clear_cipher_ctx(SSL *s);
1065 int ssl_clear_bad_session(SSL *s);
1066 CERT *ssl_cert_new(void);
1067 CERT *ssl_cert_dup(CERT *cert);
1068 void ssl_cert_set_default_md(CERT *cert);
1069 int ssl_cert_inst(CERT **o);
1070 void ssl_cert_clear_certs(CERT *c);
1071 void ssl_cert_free(CERT *c);
1072 SESS_CERT *ssl_sess_cert_new(void);
1073 void ssl_sess_cert_free(SESS_CERT *sc);
1074 int ssl_set_peer_cert_type(SESS_CERT *c, int type);
1075 int ssl_get_new_session(SSL *s, int session);
1076 int ssl_get_prev_session(SSL *s, unsigned char *session, int len,
1077 const unsigned char *limit);
1078 SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket);
1079 int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b);
1080 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id);
1081 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
1082 const SSL_CIPHER *const *bp);
1083 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p,
1085 STACK_OF(SSL_CIPHER) **skp);
1086 int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk,
1088 int (*put_cb) (const SSL_CIPHER *,
1090 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
1091 STACK_OF(SSL_CIPHER) **pref,
1092 STACK_OF(SSL_CIPHER) **sorted,
1093 const char *rule_str, CERT *c);
1094 void ssl_update_cache(SSL *s, int mode);
1095 int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
1096 const EVP_MD **md, int *mac_pkey_type,
1097 int *mac_secret_size, SSL_COMP **comp);
1098 int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md);
1099 int ssl_cipher_get_cert_index(const SSL_CIPHER *c);
1100 const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr);
1101 int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain);
1102 int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain);
1103 int ssl_cert_add0_chain_cert(CERT *c, X509 *x);
1104 int ssl_cert_add1_chain_cert(CERT *c, X509 *x);
1105 int ssl_cert_select_current(CERT *c, X509 *x);
1106 int ssl_cert_set_current(CERT *c, long arg);
1107 X509 *ssl_cert_get0_next_certificate(CERT *c, int first);
1108 void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg),
1111 int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk);
1112 int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l);
1113 int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags);
1114 int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref);
1115 int ssl_undefined_function(SSL *s);
1116 int ssl_undefined_void_function(void);
1117 int ssl_undefined_const_function(const SSL *s);
1118 CERT_PKEY *ssl_get_server_send_pkey(const SSL *s);
1119 # ifndef OPENSSL_NO_TLSEXT
1120 int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
1121 size_t *serverinfo_length);
1123 EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd);
1124 int ssl_cert_type(X509 *x, EVP_PKEY *pkey);
1125 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher);
1126 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
1127 int ssl_verify_alarm_type(long type);
1128 void ssl_load_ciphers(void);
1129 int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len);
1131 int ssl2_enc_init(SSL *s, int client);
1132 int ssl2_generate_key_material(SSL *s);
1133 int ssl2_enc(SSL *s, int send_data);
1134 void ssl2_mac(SSL *s, unsigned char *mac, int send_data);
1135 const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
1136 int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
1137 int ssl2_part_read(SSL *s, unsigned long f, int i);
1138 int ssl2_do_write(SSL *s);
1139 int ssl2_set_certificate(SSL *s, int type, int len,
1140 const unsigned char *data);
1141 void ssl2_return_error(SSL *s, int reason);
1142 void ssl2_write_error(SSL *s);
1143 int ssl2_num_ciphers(void);
1144 const SSL_CIPHER *ssl2_get_cipher(unsigned int u);
1145 int ssl2_new(SSL *s);
1146 void ssl2_free(SSL *s);
1147 int ssl2_accept(SSL *s);
1148 int ssl2_connect(SSL *s);
1149 int ssl2_read(SSL *s, void *buf, int len);
1150 int ssl2_peek(SSL *s, void *buf, int len);
1151 int ssl2_write(SSL *s, const void *buf, int len);
1152 int ssl2_shutdown(SSL *s);
1153 void ssl2_clear(SSL *s);
1154 long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg);
1155 long ssl2_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
1156 long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
1157 long ssl2_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
1158 int ssl2_pending(const SSL *s);
1159 long ssl2_default_timeout(void);
1161 const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
1162 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
1163 int ssl3_init_finished_mac(SSL *s);
1164 int ssl3_send_server_certificate(SSL *s);
1165 int ssl3_send_newsession_ticket(SSL *s);
1166 int ssl3_send_cert_status(SSL *s);
1167 int ssl3_get_finished(SSL *s, int state_a, int state_b);
1168 int ssl3_setup_key_block(SSL *s);
1169 int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b);
1170 int ssl3_change_cipher_state(SSL *s, int which);
1171 void ssl3_cleanup_key_block(SSL *s);
1172 int ssl3_do_write(SSL *s, int type);
1173 int ssl3_send_alert(SSL *s, int level, int desc);
1174 int ssl3_generate_master_secret(SSL *s, unsigned char *out,
1175 unsigned char *p, int len);
1176 int ssl3_get_req_cert_type(SSL *s, unsigned char *p);
1177 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
1178 int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen);
1179 int ssl3_num_ciphers(void);
1180 const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
1181 int ssl3_renegotiate(SSL *ssl);
1182 int ssl3_renegotiate_check(SSL *ssl);
1183 int ssl3_dispatch_alert(SSL *s);
1184 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
1185 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
1186 int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,
1188 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
1189 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
1190 int ssl3_enc(SSL *s, int send_data);
1191 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
1192 void ssl3_free_digest_list(SSL *s);
1193 unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk);
1194 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt,
1195 STACK_OF(SSL_CIPHER) *srvr);
1196 int ssl3_setup_buffers(SSL *s);
1197 int ssl3_setup_read_buffer(SSL *s);
1198 int ssl3_setup_write_buffer(SSL *s);
1199 int ssl3_release_read_buffer(SSL *s);
1200 int ssl3_release_write_buffer(SSL *s);
1201 int ssl3_digest_cached_records(SSL *s);
1202 int ssl3_new(SSL *s);
1203 void ssl3_free(SSL *s);
1204 int ssl3_accept(SSL *s);
1205 int ssl3_connect(SSL *s);
1206 int ssl3_read(SSL *s, void *buf, int len);
1207 int ssl3_peek(SSL *s, void *buf, int len);
1208 int ssl3_write(SSL *s, const void *buf, int len);
1209 int ssl3_shutdown(SSL *s);
1210 void ssl3_clear(SSL *s);
1211 long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg);
1212 long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
1213 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
1214 long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
1215 int ssl3_pending(const SSL *s);
1217 void ssl3_record_sequence_update(unsigned char *seq);
1218 int ssl3_do_change_cipher_spec(SSL *ssl);
1219 long ssl3_default_timeout(void);
1221 void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len);
1222 int ssl3_handshake_write(SSL *s);
1224 int ssl23_num_ciphers(void);
1225 const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
1226 int ssl23_read(SSL *s, void *buf, int len);
1227 int ssl23_peek(SSL *s, void *buf, int len);
1228 int ssl23_write(SSL *s, const void *buf, int len);
1229 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
1230 const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
1231 long ssl23_default_timeout(void);
1233 long tls1_default_timeout(void);
1234 int dtls1_do_write(SSL *s, int type);
1235 int ssl3_read_n(SSL *s, int n, int max, int extend);
1236 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
1237 int ssl3_do_compress(SSL *ssl);
1238 int ssl3_do_uncompress(SSL *ssl);
1239 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
1241 unsigned char *dtls1_set_message_header(SSL *s,
1242 unsigned char *p, unsigned char mt,
1244 unsigned long frag_off,
1245 unsigned long frag_len);
1247 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
1248 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
1250 int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
1251 int dtls1_read_failed(SSL *s, int code);
1252 int dtls1_buffer_message(SSL *s, int ccs);
1253 int dtls1_retransmit_message(SSL *s, unsigned short seq,
1254 unsigned long frag_off, int *found);
1255 int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
1256 int dtls1_retransmit_buffered_messages(SSL *s);
1257 void dtls1_clear_received_buffer(SSL *s);
1258 void dtls1_clear_sent_buffer(SSL *s);
1259 void dtls1_get_message_header(unsigned char *data,
1260 struct hm_header_st *msg_hdr);
1261 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
1262 void dtls1_reset_seq_numbers(SSL *s, int rw);
1263 long dtls1_default_timeout(void);
1264 struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft);
1265 int dtls1_check_timeout_num(SSL *s);
1266 int dtls1_handle_timeout(SSL *s);
1267 const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
1268 void dtls1_start_timer(SSL *s);
1269 void dtls1_stop_timer(SSL *s);
1270 int dtls1_is_timer_expired(SSL *s);
1271 void dtls1_double_timeout(SSL *s);
1272 int dtls1_send_newsession_ticket(SSL *s);
1273 unsigned int dtls1_min_mtu(SSL *s);
1274 unsigned int dtls1_link_min_mtu(void);
1275 void dtls1_hm_fragment_free(hm_fragment *frag);
1277 /* some client-only functions */
1278 int ssl3_client_hello(SSL *s);
1279 int ssl3_get_server_hello(SSL *s);
1280 int ssl3_get_certificate_request(SSL *s);
1281 int ssl3_get_new_session_ticket(SSL *s);
1282 int ssl3_get_cert_status(SSL *s);
1283 int ssl3_get_server_done(SSL *s);
1284 int ssl3_send_client_verify(SSL *s);
1285 int ssl3_send_client_certificate(SSL *s);
1286 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
1287 int ssl3_send_client_key_exchange(SSL *s);
1288 int ssl3_get_key_exchange(SSL *s);
1289 int ssl3_get_server_certificate(SSL *s);
1290 int ssl3_check_cert_and_algorithm(SSL *s);
1291 # ifndef OPENSSL_NO_TLSEXT
1292 # ifndef OPENSSL_NO_NEXTPROTONEG
1293 int ssl3_send_next_proto(SSL *s);
1297 int dtls1_client_hello(SSL *s);
1299 /* some server-only functions */
1300 int ssl3_get_client_hello(SSL *s);
1301 int ssl3_send_server_hello(SSL *s);
1302 int ssl3_send_hello_request(SSL *s);
1303 int ssl3_send_server_key_exchange(SSL *s);
1304 int ssl3_send_certificate_request(SSL *s);
1305 int ssl3_send_server_done(SSL *s);
1306 int ssl3_get_client_certificate(SSL *s);
1307 int ssl3_get_client_key_exchange(SSL *s);
1308 int ssl3_get_cert_verify(SSL *s);
1309 # ifndef OPENSSL_NO_NEXTPROTONEG
1310 int ssl3_get_next_proto(SSL *s);
1313 int ssl23_accept(SSL *s);
1314 int ssl23_connect(SSL *s);
1315 int ssl23_read_bytes(SSL *s, int n);
1316 int ssl23_write_bytes(SSL *s);
1318 int tls1_new(SSL *s);
1319 void tls1_free(SSL *s);
1320 void tls1_clear(SSL *s);
1321 long tls1_ctrl(SSL *s, int cmd, long larg, void *parg);
1322 long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
1324 int dtls1_new(SSL *s);
1325 int dtls1_accept(SSL *s);
1326 int dtls1_connect(SSL *s);
1327 void dtls1_free(SSL *s);
1328 void dtls1_clear(SSL *s);
1329 long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg);
1330 int dtls1_shutdown(SSL *s);
1332 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
1333 int dtls1_get_record(SSL *s);
1334 int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
1335 unsigned int len, int create_empty_fragement);
1336 int dtls1_dispatch_alert(SSL *s);
1338 int ssl_init_wbio_buffer(SSL *s, int push);
1339 void ssl_free_wbio_buffer(SSL *s);
1341 int tls1_change_cipher_state(SSL *s, int which);
1342 int tls1_setup_key_block(SSL *s);
1343 int tls1_enc(SSL *s, int snd);
1344 int tls1_final_finish_mac(SSL *s,
1345 const char *str, int slen, unsigned char *p);
1346 int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
1347 int tls1_mac(SSL *ssl, unsigned char *md, int snd);
1348 int tls1_generate_master_secret(SSL *s, unsigned char *out,
1349 unsigned char *p, int len);
1350 int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
1351 const char *label, size_t llen,
1352 const unsigned char *p, size_t plen,
1354 int tls1_alert_code(int code);
1355 int ssl3_alert_code(int code);
1358 # ifndef OPENSSL_NO_ECDH
1359 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
1362 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
1364 # ifndef OPENSSL_NO_EC
1365 int tls1_ec_curve_id2nid(int curve_id);
1366 int tls1_ec_nid2curve_id(int nid);
1367 int tls1_check_curve(SSL *s, const unsigned char *p, size_t len);
1368 int tls1_shared_curve(SSL *s, int nmatch);
1369 int tls1_set_curves(unsigned char **pext, size_t *pextlen,
1370 int *curves, size_t ncurves);
1371 int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
1373 # ifndef OPENSSL_NO_ECDH
1374 int tls1_check_ec_tmp_key(SSL *s, unsigned long id);
1375 # endif /* OPENSSL_NO_ECDH */
1376 # endif /* OPENSSL_NO_EC */
1378 # ifndef OPENSSL_NO_TLSEXT
1379 int tls1_shared_list(SSL *s,
1380 const unsigned char *l1, size_t l1len,
1381 const unsigned char *l2, size_t l2len, int nmatch);
1382 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf,
1383 unsigned char *limit, int *al);
1384 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf,
1385 unsigned char *limit, int *al);
1386 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data,
1387 unsigned char *limit);
1388 int tls1_set_server_sigalgs(SSL *s);
1389 int ssl_check_clienthello_tlsext_late(SSL *s, int *al);
1390 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data,
1391 unsigned char *d, int n);
1392 int ssl_prepare_clienthello_tlsext(SSL *s);
1393 int ssl_prepare_serverhello_tlsext(SSL *s);
1395 # ifndef OPENSSL_NO_HEARTBEATS
1396 int tls1_heartbeat(SSL *s);
1397 int dtls1_heartbeat(SSL *s);
1398 int tls1_process_heartbeat(SSL *s);
1399 int dtls1_process_heartbeat(SSL *s);
1402 # ifdef OPENSSL_NO_SHA256
1403 # define tlsext_tick_md EVP_sha1
1405 # define tlsext_tick_md EVP_sha256
1407 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
1408 const unsigned char *limit, SSL_SESSION **ret);
1410 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
1412 int tls12_get_sigid(const EVP_PKEY *pk);
1413 const EVP_MD *tls12_get_hash(unsigned char hash_alg);
1415 int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
1416 int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client);
1417 int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain,
1419 void tls1_set_cert_validity(SSL *s);
1422 EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md);
1423 void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
1424 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1426 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1428 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1430 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1432 long ssl_get_algorithm2(SSL *s);
1433 int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize);
1434 int tls1_process_sigalgs(SSL *s);
1435 size_t tls12_get_psigalgs(SSL *s, int sent, const unsigned char **psigs);
1436 int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s,
1437 const unsigned char *sig, EVP_PKEY *pkey);
1438 void ssl_set_client_disabled(SSL *s);
1440 int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
1442 int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,
1444 int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
1446 int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,
1450 void ssl3_cbc_copy_mac(unsigned char *out,
1451 const SSL3_RECORD *rec,
1452 unsigned md_size, unsigned orig_len);
1453 int ssl3_cbc_remove_padding(const SSL *s,
1455 unsigned block_size, unsigned mac_size);
1456 int tls1_cbc_remove_padding(const SSL *s,
1458 unsigned block_size, unsigned mac_size);
1459 char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
1460 int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx,
1461 unsigned char *md_out,
1462 size_t *md_out_size,
1463 const unsigned char header[13],
1464 const unsigned char *data,
1465 size_t data_plus_mac_size,
1466 size_t data_plus_mac_plus_padding_size,
1467 const unsigned char *mac_secret,
1468 unsigned mac_secret_length, char is_sslv3);
1470 void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx,
1471 EVP_MD_CTX *mac_ctx, const unsigned char *data,
1472 size_t data_len, size_t orig_len);
1474 int srp_verify_server_param(SSL *s, int *al);
1478 void custom_ext_init(custom_ext_methods *meths);
1480 int custom_ext_parse(SSL *s, int server,
1481 unsigned int ext_type,
1482 const unsigned char *ext_data, size_t ext_size, int *al);
1483 int custom_ext_add(SSL *s, int server,
1484 unsigned char **pret, unsigned char *limit, int *al);
1486 int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src);
1487 int custom_exts_copy_flags(custom_ext_methods *dst,
1488 const custom_ext_methods *src);
1489 void custom_exts_free(custom_ext_methods *exts);
1493 # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
1494 # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
1495 # define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat
1496 # define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat