2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* ====================================================================
11 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
12 * ECC cipher suite support in OpenSSL originally developed by
13 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
15 /* ====================================================================
16 * Copyright 2005 Nokia. All rights reserved.
18 * The portions of the attached software ("Contribution") is developed by
19 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
22 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
23 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
24 * support (see RFC 4279) to OpenSSL.
26 * No patent licenses or other rights except those expressly stated in
27 * the OpenSSL open source license shall be deemed granted or received
28 * expressly, by implication, estoppel, or otherwise.
30 * No assurances are provided by Nokia that the Contribution does not
31 * infringe the patent or other intellectual property rights of any third
32 * party or that the license provides you with all the necessary rights
33 * to make use of the Contribution.
35 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
36 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
37 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
38 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
42 #ifndef HEADER_SSL_LOCL_H
43 # define HEADER_SSL_LOCL_H
50 # if defined(__unix) || defined(__unix__)
51 # include <sys/time.h> /* struct timeval for DTLS */
54 # include <openssl/buffer.h>
55 # include <openssl/comp.h>
56 # include <openssl/bio.h>
57 # include <openssl/stack.h>
58 # include <openssl/rsa.h>
59 # include <openssl/dsa.h>
60 # include <openssl/err.h>
61 # include <openssl/ssl.h>
62 # include <openssl/async.h>
63 # include <openssl/symhacks.h>
64 # include <openssl/ct.h>
65 # include "record/record.h"
66 # include "statem/statem.h"
67 # include "packet_locl.h"
68 # include "internal/dane.h"
69 # include "internal/refcount.h"
71 # ifdef OPENSSL_BUILD_SHLIBSSL
72 # undef OPENSSL_EXTERN
73 # define OPENSSL_EXTERN OPENSSL_EXPORT
78 # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
79 l|=(((unsigned long)(*((c)++)))<< 8), \
80 l|=(((unsigned long)(*((c)++)))<<16), \
81 l|=(((unsigned long)(*((c)++)))<<24))
83 /* NOTE - c is not incremented as per c2l */
84 # define c2ln(c,l1,l2,n) { \
88 case 8: l2 =((unsigned long)(*(--(c))))<<24; \
89 case 7: l2|=((unsigned long)(*(--(c))))<<16; \
90 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
91 case 5: l2|=((unsigned long)(*(--(c)))); \
92 case 4: l1 =((unsigned long)(*(--(c))))<<24; \
93 case 3: l1|=((unsigned long)(*(--(c))))<<16; \
94 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
95 case 1: l1|=((unsigned long)(*(--(c)))); \
99 # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
100 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
101 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
102 *((c)++)=(unsigned char)(((l)>>24)&0xff))
104 # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
105 l|=((unsigned long)(*((c)++)))<<16, \
106 l|=((unsigned long)(*((c)++)))<< 8, \
107 l|=((unsigned long)(*((c)++))))
109 # define n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \
110 l|=((uint64_t)(*((c)++)))<<48, \
111 l|=((uint64_t)(*((c)++)))<<40, \
112 l|=((uint64_t)(*((c)++)))<<32, \
113 l|=((uint64_t)(*((c)++)))<<24, \
114 l|=((uint64_t)(*((c)++)))<<16, \
115 l|=((uint64_t)(*((c)++)))<< 8, \
116 l|=((uint64_t)(*((c)++))))
119 # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
120 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
121 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
122 *((c)++)=(unsigned char)(((l) )&0xff))
124 # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
125 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
126 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
127 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
128 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
129 *((c)++)=(unsigned char)(((l) )&0xff))
131 # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \
132 *((c)++)=(unsigned char)(((l)>>48)&0xff), \
133 *((c)++)=(unsigned char)(((l)>>40)&0xff), \
134 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
135 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
136 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
137 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
138 *((c)++)=(unsigned char)(((l) )&0xff))
140 /* NOTE - c is not incremented as per l2c */
141 # define l2cn(l1,l2,c,n) { \
144 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
145 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
146 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
147 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
148 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
149 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
150 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
151 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
155 # define n2s(c,s) ((s=(((unsigned int)((c)[0]))<< 8)| \
156 (((unsigned int)((c)[1])) )),(c)+=2)
157 # define s2n(s,c) (((c)[0]=(unsigned char)(((s)>> 8)&0xff), \
158 (c)[1]=(unsigned char)(((s) )&0xff)),(c)+=2)
160 # define n2l3(c,l) ((l =(((unsigned long)((c)[0]))<<16)| \
161 (((unsigned long)((c)[1]))<< 8)| \
162 (((unsigned long)((c)[2])) )),(c)+=3)
164 # define l2n3(l,c) (((c)[0]=(unsigned char)(((l)>>16)&0xff), \
165 (c)[1]=(unsigned char)(((l)>> 8)&0xff), \
166 (c)[2]=(unsigned char)(((l) )&0xff)),(c)+=3)
169 * DTLS version numbers are strange because they're inverted. Except for
170 * DTLS1_BAD_VER, which should be considered "lower" than the rest.
172 # define dtls_ver_ordinal(v1) (((v1) == DTLS1_BAD_VER) ? 0xff00 : (v1))
173 # define DTLS_VERSION_GT(v1, v2) (dtls_ver_ordinal(v1) < dtls_ver_ordinal(v2))
174 # define DTLS_VERSION_GE(v1, v2) (dtls_ver_ordinal(v1) <= dtls_ver_ordinal(v2))
175 # define DTLS_VERSION_LT(v1, v2) (dtls_ver_ordinal(v1) > dtls_ver_ordinal(v2))
176 # define DTLS_VERSION_LE(v1, v2) (dtls_ver_ordinal(v1) >= dtls_ver_ordinal(v2))
180 # define SSL_DECRYPT 0
181 # define SSL_ENCRYPT 1
183 # define TWO_BYTE_BIT 0x80
184 # define SEC_ESC_BIT 0x40
185 # define TWO_BYTE_MASK 0x7fff
186 # define THREE_BYTE_MASK 0x3fff
188 # define INC32(a) ((a)=((a)+1)&0xffffffffL)
189 # define DEC32(a) ((a)=((a)-1)&0xffffffffL)
190 # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
193 * Define the Bitmasks for SSL_CIPHER.algorithms.
194 * This bits are used packed as dense as possible. If new methods/ciphers
195 * etc will be added, the bits a likely to change, so this information
196 * is for internal library use only, even though SSL_CIPHER.algorithms
197 * can be publicly accessed.
198 * Use the according functions for cipher management instead.
200 * The bit mask handling in the selection and sorting scheme in
201 * ssl_create_cipher_list() has only limited capabilities, reflecting
202 * that the different entities within are mutually exclusive:
203 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
206 /* Bits for algorithm_mkey (key exchange algorithm) */
207 /* RSA key exchange */
208 # define SSL_kRSA 0x00000001U
209 /* tmp DH key no DH cert */
210 # define SSL_kDHE 0x00000002U
212 # define SSL_kEDH SSL_kDHE
214 # define SSL_kECDHE 0x00000004U
216 # define SSL_kEECDH SSL_kECDHE
218 # define SSL_kPSK 0x00000008U
219 /* GOST key exchange */
220 # define SSL_kGOST 0x00000010U
222 # define SSL_kSRP 0x00000020U
224 # define SSL_kRSAPSK 0x00000040U
225 # define SSL_kECDHEPSK 0x00000080U
226 # define SSL_kDHEPSK 0x00000100U
230 # define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK)
232 /* Any appropriate key exchange algorithm (for TLS 1.3 ciphersuites) */
233 # define SSL_kANY 0x00000000U
235 /* Bits for algorithm_auth (server authentication) */
237 # define SSL_aRSA 0x00000001U
239 # define SSL_aDSS 0x00000002U
240 /* no auth (i.e. use ADH or AECDH) */
241 # define SSL_aNULL 0x00000004U
243 # define SSL_aECDSA 0x00000008U
245 # define SSL_aPSK 0x00000010U
246 /* GOST R 34.10-2001 signature auth */
247 # define SSL_aGOST01 0x00000020U
249 # define SSL_aSRP 0x00000040U
250 /* GOST R 34.10-2012 signature auth */
251 # define SSL_aGOST12 0x00000080U
252 /* Any appropriate signature auth (for TLS 1.3 ciphersuites) */
253 # define SSL_aANY 0x00000000U
255 /* Bits for algorithm_enc (symmetric encryption) */
256 # define SSL_DES 0x00000001U
257 # define SSL_3DES 0x00000002U
258 # define SSL_RC4 0x00000004U
259 # define SSL_RC2 0x00000008U
260 # define SSL_IDEA 0x00000010U
261 # define SSL_eNULL 0x00000020U
262 # define SSL_AES128 0x00000040U
263 # define SSL_AES256 0x00000080U
264 # define SSL_CAMELLIA128 0x00000100U
265 # define SSL_CAMELLIA256 0x00000200U
266 # define SSL_eGOST2814789CNT 0x00000400U
267 # define SSL_SEED 0x00000800U
268 # define SSL_AES128GCM 0x00001000U
269 # define SSL_AES256GCM 0x00002000U
270 # define SSL_AES128CCM 0x00004000U
271 # define SSL_AES256CCM 0x00008000U
272 # define SSL_AES128CCM8 0x00010000U
273 # define SSL_AES256CCM8 0x00020000U
274 # define SSL_eGOST2814789CNT12 0x00040000U
275 # define SSL_CHACHA20POLY1305 0x00080000U
277 # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM)
278 # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8)
279 # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM)
280 # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
281 # define SSL_CHACHA20 (SSL_CHACHA20POLY1305)
283 /* Bits for algorithm_mac (symmetric authentication) */
285 # define SSL_MD5 0x00000001U
286 # define SSL_SHA1 0x00000002U
287 # define SSL_GOST94 0x00000004U
288 # define SSL_GOST89MAC 0x00000008U
289 # define SSL_SHA256 0x00000010U
290 # define SSL_SHA384 0x00000020U
291 /* Not a real MAC, just an indication it is part of cipher */
292 # define SSL_AEAD 0x00000040U
293 # define SSL_GOST12_256 0x00000080U
294 # define SSL_GOST89MAC12 0x00000100U
295 # define SSL_GOST12_512 0x00000200U
298 * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make
299 * sure to update this constant too
302 # define SSL_MD_MD5_IDX 0
303 # define SSL_MD_SHA1_IDX 1
304 # define SSL_MD_GOST94_IDX 2
305 # define SSL_MD_GOST89MAC_IDX 3
306 # define SSL_MD_SHA256_IDX 4
307 # define SSL_MD_SHA384_IDX 5
308 # define SSL_MD_GOST12_256_IDX 6
309 # define SSL_MD_GOST89MAC12_IDX 7
310 # define SSL_MD_GOST12_512_IDX 8
311 # define SSL_MD_MD5_SHA1_IDX 9
312 # define SSL_MD_SHA224_IDX 10
313 # define SSL_MD_SHA512_IDX 11
314 # define SSL_MAX_DIGEST 12
316 /* Bits for algorithm2 (handshake digests and other extra flags) */
318 /* Bits 0-7 are handshake MAC */
319 # define SSL_HANDSHAKE_MAC_MASK 0xFF
320 # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX
321 # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX
322 # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX
323 # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX
324 # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX
325 # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX
326 # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1
328 /* Bits 8-15 bits are PRF */
329 # define TLS1_PRF_DGST_SHIFT 8
330 # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
331 # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT)
332 # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT)
333 # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT)
334 # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT)
335 # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT)
336 # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
339 * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also
340 * goes into algorithm2)
342 # define TLS1_STREAM_MAC 0x10000
344 # define SSL_STRONG_MASK 0x0000001FU
345 # define SSL_DEFAULT_MASK 0X00000020U
347 # define SSL_STRONG_NONE 0x00000001U
348 # define SSL_LOW 0x00000002U
349 # define SSL_MEDIUM 0x00000004U
350 # define SSL_HIGH 0x00000008U
351 # define SSL_FIPS 0x00000010U
352 # define SSL_NOT_DEFAULT 0x00000020U
354 /* we have used 0000003f - 26 bits left to go */
356 /* Flag used on OpenSSL ciphersuite ids to indicate they are for SSLv3+ */
357 # define SSL3_CK_CIPHERSUITE_FLAG 0x03000000
359 /* Check if an SSL structure is using DTLS */
360 # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
362 /* Check if we are using TLSv1.3 */
363 # define SSL_IS_TLS13(s) (!SSL_IS_DTLS(s) \
364 && (s)->method->version >= TLS1_3_VERSION \
365 && (s)->method->version != TLS_ANY_VERSION)
367 # define SSL_IS_FIRST_HANDSHAKE(S) ((s)->s3->tmp.finish_md_len == 0)
369 /* See if we need explicit IV */
370 # define SSL_USE_EXPLICIT_IV(s) \
371 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV)
373 * See if we use signature algorithms extension and signature algorithm
376 # define SSL_USE_SIGALGS(s) \
377 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS)
379 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
380 * apply to others in future.
382 # define SSL_USE_TLS1_2_CIPHERS(s) \
383 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)
385 * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method
386 * flags because it may not be set to correct version yet.
388 # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \
389 ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \
390 (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION)))
392 * Determine if a client should send signature algorithms extension:
393 * as with TLS1.2 cipher we can't rely on method flags.
395 # define SSL_CLIENT_USE_SIGALGS(s) \
396 SSL_CLIENT_USE_TLS1_2_CIPHERS(s)
398 # define SSL_READ_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ)
399 # define SSL_WRITE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE)
401 /* Mostly for SSLv3 */
402 # define SSL_PKEY_RSA 0
403 # define SSL_PKEY_DSA_SIGN 1
404 # define SSL_PKEY_ECC 2
405 # define SSL_PKEY_GOST01 3
406 # define SSL_PKEY_GOST12_256 4
407 # define SSL_PKEY_GOST12_512 5
408 # define SSL_PKEY_NUM 6
410 * Pseudo-constant. GOST cipher suites can use different certs for 1
411 * SSL_CIPHER. So let's see which one we have in fact.
413 # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1
416 * TODO(TLS1.3) for now use SSL_PKEY_RSA keys for PSS
419 #define SSL_PKEY_RSA_PSS_SIGN SSL_PKEY_RSA
422 * SSL_kRSA <- RSA_ENC
423 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
424 * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN
425 * SSL_aRSA <- RSA_ENC | RSA_SIGN
426 * SSL_aDSS <- DSA_SIGN
430 #define CERT_INVALID 0
431 #define CERT_PUBLIC_KEY 1
432 #define CERT_PRIVATE_KEY 2
435 /* CipherSuite length. SSLv3 and all TLS versions. */
436 # define TLS_CIPHER_LEN 2
437 /* used to hold info on the particular ciphers used */
438 struct ssl_cipher_st
{
440 const char *name
; /* text name */
441 uint32_t id
; /* id, 4 bytes, first is version */
443 * changed in 1.0.0: these four used to be portions of a single value
446 uint32_t algorithm_mkey
; /* key exchange algorithm */
447 uint32_t algorithm_auth
; /* server authentication */
448 uint32_t algorithm_enc
; /* symmetric encryption */
449 uint32_t algorithm_mac
; /* symmetric authentication */
450 int min_tls
; /* minimum SSL/TLS protocol version */
451 int max_tls
; /* maximum SSL/TLS protocol version */
452 int min_dtls
; /* minimum DTLS protocol version */
453 int max_dtls
; /* maximum DTLS protocol version */
454 uint32_t algo_strength
; /* strength and export flags */
455 uint32_t algorithm2
; /* Extra flags */
456 int32_t strength_bits
; /* Number of bits really used */
457 uint32_t alg_bits
; /* Number of bits for algorithm */
460 /* Used to hold SSL/TLS functions */
461 struct ssl_method_st
{
465 int (*ssl_new
) (SSL
*s
);
466 void (*ssl_clear
) (SSL
*s
);
467 void (*ssl_free
) (SSL
*s
);
468 int (*ssl_accept
) (SSL
*s
);
469 int (*ssl_connect
) (SSL
*s
);
470 int (*ssl_read
) (SSL
*s
, void *buf
, size_t len
, size_t *readbytes
);
471 int (*ssl_peek
) (SSL
*s
, void *buf
, size_t len
, size_t *readbytes
);
472 int (*ssl_write
) (SSL
*s
, const void *buf
, size_t len
, size_t *written
);
473 int (*ssl_shutdown
) (SSL
*s
);
474 int (*ssl_renegotiate
) (SSL
*s
);
475 int (*ssl_renegotiate_check
) (SSL
*s
, int);
476 int (*ssl_read_bytes
) (SSL
*s
, int type
, int *recvd_type
,
477 unsigned char *buf
, size_t len
, int peek
,
479 int (*ssl_write_bytes
) (SSL
*s
, int type
, const void *buf_
, size_t len
,
481 int (*ssl_dispatch_alert
) (SSL
*s
);
482 long (*ssl_ctrl
) (SSL
*s
, int cmd
, long larg
, void *parg
);
483 long (*ssl_ctx_ctrl
) (SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
);
484 const SSL_CIPHER
*(*get_cipher_by_char
) (const unsigned char *ptr
);
485 int (*put_cipher_by_char
) (const SSL_CIPHER
*cipher
, WPACKET
*pkt
,
487 size_t (*ssl_pending
) (const SSL
*s
);
488 int (*num_ciphers
) (void);
489 const SSL_CIPHER
*(*get_cipher
) (unsigned ncipher
);
490 long (*get_timeout
) (void);
491 const struct ssl3_enc_method
*ssl3_enc
; /* Extra SSLv3/TLS stuff */
492 int (*ssl_version
) (void);
493 long (*ssl_callback_ctrl
) (SSL
*s
, int cb_id
, void (*fp
) (void));
494 long (*ssl_ctx_callback_ctrl
) (SSL_CTX
*s
, int cb_id
, void (*fp
) (void));
498 * Lets make this into an ASN.1 type structure as follows
499 * SSL_SESSION_ID ::= SEQUENCE {
500 * version INTEGER, -- structure version number
501 * SSLversion INTEGER, -- SSL version number
502 * Cipher OCTET STRING, -- the 3 byte cipher ID
503 * Session_ID OCTET STRING, -- the Session ID
504 * Master_key OCTET STRING, -- the master key
505 * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument
506 * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time
507 * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds
508 * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate
509 * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context
510 * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer'
511 * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension
512 * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
513 * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity
514 * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
515 * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only)
516 * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method
517 * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
518 * flags [ 13 ] EXPLICIT INTEGER -- optional flags
520 * Look in ssl/ssl_asn1.c for more details
521 * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
523 struct ssl_session_st
{
524 int ssl_version
; /* what ssl version session info is being kept
526 size_t master_key_length
;
529 * For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption
532 unsigned char master_key
[TLS13_MAX_RESUMPTION_MASTER_LENGTH
];
533 /* session_id - valid? */
534 size_t session_id_length
;
535 unsigned char session_id
[SSL_MAX_SSL_SESSION_ID_LENGTH
];
537 * this is used to determine whether the session is being reused in the
538 * appropriate context. It is up to the application to set this, via
541 size_t sid_ctx_length
;
542 unsigned char sid_ctx
[SSL_MAX_SID_CTX_LENGTH
];
543 # ifndef OPENSSL_NO_PSK
544 char *psk_identity_hint
;
548 * Used to indicate that session resumption is not allowed. Applications
549 * can also set this bit for a new session via not_resumable_session_cb
550 * to disable session caching and tickets.
553 /* This is the cert and type for the other end. */
556 /* Certificate chain peer sent */
557 STACK_OF(X509
) *peer_chain
;
559 * when app_verify_callback accepts a session where the peer's
560 * certificate is not ok, we must remember the error for session reuse:
562 long verify_result
; /* only for servers */
563 CRYPTO_REF_COUNT references
;
566 unsigned int compress_meth
; /* Need to lookup the method */
567 const SSL_CIPHER
*cipher
;
568 unsigned long cipher_id
; /* when ASN.1 loaded, this needs to be used to
569 * load the 'cipher' structure */
570 STACK_OF(SSL_CIPHER
) *ciphers
; /* shared ciphers? */
571 CRYPTO_EX_DATA ex_data
; /* application specific data */
573 * These are used to make removal of session-ids more efficient and to
574 * implement a maximum cache size.
576 struct ssl_session_st
*prev
, *next
;
580 # ifndef OPENSSL_NO_EC
581 size_t ecpointformats_len
;
582 unsigned char *ecpointformats
; /* peer's list */
583 size_t supportedgroups_len
;
584 unsigned char *supportedgroups
; /* peer's list */
585 # endif /* OPENSSL_NO_EC */
587 unsigned char *tick
; /* Session ticket */
588 size_t ticklen
; /* Session ticket length */
589 /* Session lifetime hint in seconds */
590 unsigned long tick_lifetime_hint
;
591 uint32_t tick_age_add
;
594 # ifndef OPENSSL_NO_SRP
601 /* Extended master secret support */
602 # define SSL_SESS_FLAG_EXTMS 0x1
604 # ifndef OPENSSL_NO_SRP
606 typedef struct srp_ctx_st
{
607 /* param for all the callbacks */
609 /* set client Hello login callback */
610 int (*TLS_ext_srp_username_callback
) (SSL
*, int *, void *);
611 /* set SRP N/g param callback for verification */
612 int (*SRP_verify_param_callback
) (SSL
*, void *);
613 /* set SRP client passwd callback */
614 char *(*SRP_give_srp_client_pwd_callback
) (SSL
*, void *);
616 BIGNUM
*N
, *g
, *s
, *B
, *A
;
620 unsigned long srp_Mask
;
625 #define MAX_COMPRESSIONS_SIZE 255
633 typedef struct raw_extension_st
{
634 /* Raw packet data for the extension */
636 /* Set to 1 if the extension is present or 0 otherwise */
638 /* Set to 1 if we have already parsed the extension or 0 otherwise */
640 /* The type of this extension, i.e. a TLSEXT_TYPE_* value */
646 unsigned int legacy_version
;
647 unsigned char random
[SSL3_RANDOM_SIZE
];
648 size_t session_id_len
;
649 unsigned char session_id
[SSL_MAX_SSL_SESSION_ID_LENGTH
];
650 size_t dtls_cookie_len
;
651 unsigned char dtls_cookie
[DTLS1_COOKIE_LENGTH
];
653 size_t compressions_len
;
654 unsigned char compressions
[MAX_COMPRESSIONS_SIZE
];
656 size_t pre_proc_exts_len
;
657 RAW_EXTENSION
*pre_proc_exts
;
660 DEFINE_LHASH_OF(SSL_SESSION
);
661 /* Needed in ssl_cert.c */
662 DEFINE_LHASH_OF(X509_NAME
);
664 # define TLSEXT_KEYNAME_LENGTH 16
667 const SSL_METHOD
*method
;
668 STACK_OF(SSL_CIPHER
) *cipher_list
;
669 /* same as above but sorted for lookup */
670 STACK_OF(SSL_CIPHER
) *cipher_list_by_id
;
671 struct x509_store_st
/* X509_STORE */ *cert_store
;
672 LHASH_OF(SSL_SESSION
) *sessions
;
674 * Most session-ids that will be cached, default is
675 * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited.
677 size_t session_cache_size
;
678 struct ssl_session_st
*session_cache_head
;
679 struct ssl_session_st
*session_cache_tail
;
681 * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT,
682 * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which
683 * means only SSL_accept which cache SSL_SESSIONS.
685 uint32_t session_cache_mode
;
687 * If timeout is not 0, it is the default timeout value set when
688 * SSL_new() is called. This has been put in to make life easier to set
691 long session_timeout
;
693 * If this callback is not null, it will be called each time a session id
694 * is added to the cache. If this function returns 1, it means that the
695 * callback will do a SSL_SESSION_free() when it has finished using it.
696 * Otherwise, on 0, it means the callback has finished with it. If
697 * remove_session_cb is not null, it will be called when a session-id is
698 * removed from the cache. After the call, OpenSSL will
699 * SSL_SESSION_free() it.
701 int (*new_session_cb
) (struct ssl_st
*ssl
, SSL_SESSION
*sess
);
702 void (*remove_session_cb
) (struct ssl_ctx_st
*ctx
, SSL_SESSION
*sess
);
703 SSL_SESSION
*(*get_session_cb
) (struct ssl_st
*ssl
,
704 const unsigned char *data
, int len
,
707 int sess_connect
; /* SSL new conn - started */
708 int sess_connect_renegotiate
; /* SSL reneg - requested */
709 int sess_connect_good
; /* SSL new conne/reneg - finished */
710 int sess_accept
; /* SSL new accept - started */
711 int sess_accept_renegotiate
; /* SSL reneg - requested */
712 int sess_accept_good
; /* SSL accept/reneg - finished */
713 int sess_miss
; /* session lookup misses */
714 int sess_timeout
; /* reuse attempt on timeouted session */
715 int sess_cache_full
; /* session removed due to full cache */
716 int sess_hit
; /* session reuse actually done */
717 int sess_cb_hit
; /* session-id that was not in the cache was
718 * passed back via the callback. This
719 * indicates that the application is supplying
720 * session-id's from other processes - spooky
724 CRYPTO_REF_COUNT references
;
726 /* if defined, these override the X509_verify_cert() calls */
727 int (*app_verify_callback
) (X509_STORE_CTX
*, void *);
728 void *app_verify_arg
;
730 * before OpenSSL 0.9.7, 'app_verify_arg' was ignored
731 * ('app_verify_callback' was called with just one argument)
734 /* Default password callback. */
735 pem_password_cb
*default_passwd_callback
;
737 /* Default password callback user data. */
738 void *default_passwd_callback_userdata
;
740 /* get client cert callback */
741 int (*client_cert_cb
) (SSL
*ssl
, X509
**x509
, EVP_PKEY
**pkey
);
743 /* cookie generate callback */
744 int (*app_gen_cookie_cb
) (SSL
*ssl
, unsigned char *cookie
,
745 unsigned int *cookie_len
);
747 /* verify cookie callback */
748 int (*app_verify_cookie_cb
) (SSL
*ssl
, const unsigned char *cookie
,
749 unsigned int cookie_len
);
751 CRYPTO_EX_DATA ex_data
;
753 const EVP_MD
*md5
; /* For SSLv3/TLSv1 'ssl3-md5' */
754 const EVP_MD
*sha1
; /* For SSLv3/TLSv1 'ssl3->sha1' */
756 STACK_OF(X509
) *extra_certs
;
757 STACK_OF(SSL_COMP
) *comp_methods
; /* stack of SSL_COMP, SSLv3/TLSv1 */
759 /* Default values used when no per-SSL value is defined follow */
761 /* used if SSL's info_callback is NULL */
762 void (*info_callback
) (const SSL
*ssl
, int type
, int val
);
764 /* what we put in client cert requests */
765 STACK_OF(X509_NAME
) *client_CA
;
768 * Default values to use in SSL structures follow (these are copied by
774 int min_proto_version
;
775 int max_proto_version
;
776 size_t max_cert_list
;
778 struct cert_st
/* CERT */ *cert
;
781 /* callback that allows applications to peek at protocol messages */
782 void (*msg_callback
) (int write_p
, int version
, int content_type
,
783 const void *buf
, size_t len
, SSL
*ssl
, void *arg
);
784 void *msg_callback_arg
;
786 uint32_t verify_mode
;
787 size_t sid_ctx_length
;
788 unsigned char sid_ctx
[SSL_MAX_SID_CTX_LENGTH
];
789 /* called 'verify_callback' in the SSL */
790 int (*default_verify_callback
) (int ok
, X509_STORE_CTX
*ctx
);
792 /* Default generate session ID callback. */
793 GEN_SESSION_CB generate_session_id
;
795 X509_VERIFY_PARAM
*param
;
799 # ifndef OPENSSL_NO_CT
800 CTLOG_STORE
*ctlog_store
; /* CT Log Store */
802 * Validates that the SCTs (Signed Certificate Timestamps) are sufficient.
803 * If they are not, the connection should be aborted.
805 ssl_ct_validation_cb ct_validation_callback
;
806 void *ct_validation_callback_arg
;
810 * If we're using more than one pipeline how should we divide the data
811 * up between the pipes?
813 size_t split_send_fragment
;
815 * Maximum amount of data to send in one fragment. actual record size can
816 * be more than this due to padding and MAC overheads.
818 size_t max_send_fragment
;
820 /* Up to how many pipelines should we use? If 0 then 1 is assumed */
821 size_t max_pipelines
;
823 /* The default read buffer length to use (0 means not set) */
824 size_t default_read_buf_len
;
826 # ifndef OPENSSL_NO_ENGINE
828 * Engine to pass requests for client certs to
830 ENGINE
*client_cert_engine
;
833 /* Early callback. Mostly for extensions, but not entirely. */
834 SSL_early_cb_fn early_cb
;
837 /* TLS extensions. */
839 /* TLS extensions servername callback */
840 int (*servername_cb
) (SSL
*, int *, void *);
841 void *servername_arg
;
842 /* RFC 4507 session ticket keys */
843 unsigned char tick_key_name
[TLSEXT_KEYNAME_LENGTH
];
844 unsigned char tick_hmac_key
[32];
845 unsigned char tick_aes_key
[32];
846 /* Callback to support customisation of ticket key setting */
847 int (*ticket_key_cb
) (SSL
*ssl
,
848 unsigned char *name
, unsigned char *iv
,
849 EVP_CIPHER_CTX
*ectx
, HMAC_CTX
*hctx
, int enc
);
851 /* certificate status request info */
852 /* Callback for status request */
853 int (*status_cb
) (SSL
*ssl
, void *arg
);
855 /* ext status type used for CSR extension (OCSP Stapling) */
858 # ifndef OPENSSL_NO_EC
859 /* EC extension values inherited by SSL structure */
860 size_t ecpointformats_len
;
861 unsigned char *ecpointformats
;
862 size_t supportedgroups_len
;
863 unsigned char *supportedgroups
;
864 # endif /* OPENSSL_NO_EC */
867 * ALPN information (we are in the process of transitioning from NPN to
872 * For a server, this contains a callback function that allows the
873 * server to select the protocol for the connection.
874 * out: on successful return, this must point to the raw protocol
875 * name (without the length prefix).
876 * outlen: on successful return, this contains the length of |*out|.
877 * in: points to the client's list of supported protocols in
879 * inlen: the length of |in|.
881 int (*alpn_select_cb
) (SSL
*s
,
882 const unsigned char **out
,
883 unsigned char *outlen
,
884 const unsigned char *in
,
885 unsigned int inlen
, void *arg
);
886 void *alpn_select_cb_arg
;
889 * For a client, this contains the list of supported protocols in wire
895 # ifndef OPENSSL_NO_NEXTPROTONEG
896 /* Next protocol negotiation information */
899 * For a server, this contains a callback function by which the set of
900 * advertised protocols can be provided.
902 SSL_CTX_npn_advertised_cb_func npn_advertised_cb
;
903 void *npn_advertised_cb_arg
;
905 * For a client, this contains a callback function that selects the next
906 * protocol from the list provided by the server.
908 SSL_CTX_npn_select_cb_func npn_select_cb
;
909 void *npn_select_cb_arg
;
913 # ifndef OPENSSL_NO_PSK
914 SSL_psk_client_cb_func psk_client_callback
;
915 SSL_psk_server_cb_func psk_server_callback
;
918 # ifndef OPENSSL_NO_SRP
919 SRP_CTX srp_ctx
; /* ctx for SRP authentication */
922 /* Shared DANE context */
923 struct dane_ctx_st dane
;
925 /* SRTP profiles we are willing to do from RFC 5764 */
926 STACK_OF(SRTP_PROTECTION_PROFILE
) *srtp_profiles
;
928 * Callback for disabling session caching and ticket support on a session
929 * basis, depending on the chosen cipher.
931 int (*not_resumable_session_cb
) (SSL
*ssl
, int is_forward_secure
);
936 * Callback for logging key material for use with debugging tools like
937 * Wireshark. The callback should log `line` followed by a newline.
939 SSL_CTX_keylog_cb_func keylog_callback
;
944 * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION,
949 const SSL_METHOD
*method
;
951 * There are 2 BIO's even though they are normally both the same. This
952 * is so data can be read and written to different handlers
954 /* used by SSL_read */
956 /* used by SSL_write */
958 /* used during session-id reuse to concatenate messages */
961 * This holds a variable that indicates what we were doing when a 0 or -1
962 * is returned. This is needed for non-blocking IO so we know what
963 * request needs re-doing when in SSL_accept or SSL_connect
966 int (*handshake_func
) (SSL
*);
968 * Imagine that here's a boolean member "init" that is switched as soon
969 * as SSL_set_{accept/connect}_state is called for the first time, so
970 * that "state" and "handshake_func" are properly initialized. But as
971 * handshake_func is == 0 until then, we use this test instead of an
974 /* are we the server side? */
977 * Generate a new session or reuse an old one.
978 * NB: For servers, the 'new' session may actually be a previously
979 * cached session or even the previous session unless
980 * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set
983 /* don't send shutdown packets */
985 /* we have shut things down, 0x01 sent, 0x02 for received */
989 BUF_MEM
*init_buf
; /* buffer used during init */
990 void *init_msg
; /* pointer to handshake message body, set by
991 * ssl3_get_message() */
992 size_t init_num
; /* amount read/written */
993 size_t init_off
; /* amount read/written */
994 struct ssl3_state_st
*s3
; /* SSLv3 variables */
995 struct dtls1_state_st
*d1
; /* DTLSv1 variables */
996 /* callback that allows applications to peek at protocol messages */
997 void (*msg_callback
) (int write_p
, int version
, int content_type
,
998 const void *buf
, size_t len
, SSL
*ssl
, void *arg
);
999 void *msg_callback_arg
;
1000 int hit
; /* reusing a previous session */
1001 X509_VERIFY_PARAM
*param
;
1002 /* Per connection DANE state */
1005 STACK_OF(SSL_CIPHER
) *cipher_list
;
1006 STACK_OF(SSL_CIPHER
) *cipher_list_by_id
;
1008 * These are the ones being used, the ones in SSL_SESSION are the ones to
1009 * be 'copied' into these ones
1013 * The TLS1.3 secrets. The resumption master secret is stored in the
1016 unsigned char early_secret
[EVP_MAX_MD_SIZE
];
1017 unsigned char handshake_secret
[EVP_MAX_MD_SIZE
];
1018 unsigned char master_secret
[EVP_MAX_MD_SIZE
];
1019 unsigned char client_finished_secret
[EVP_MAX_MD_SIZE
];
1020 unsigned char server_finished_secret
[EVP_MAX_MD_SIZE
];
1021 unsigned char server_finished_hash
[EVP_MAX_MD_SIZE
];
1022 unsigned char client_app_traffic_secret
[EVP_MAX_MD_SIZE
];
1023 unsigned char server_app_traffic_secret
[EVP_MAX_MD_SIZE
];
1024 EVP_CIPHER_CTX
*enc_read_ctx
; /* cryptographic state */
1025 unsigned char read_iv
[EVP_MAX_IV_LENGTH
]; /* TLSv1.3 static read IV */
1026 EVP_MD_CTX
*read_hash
; /* used for mac generation */
1027 COMP_CTX
*compress
; /* compression */
1028 COMP_CTX
*expand
; /* uncompress */
1029 EVP_CIPHER_CTX
*enc_write_ctx
; /* cryptographic state */
1030 unsigned char write_iv
[EVP_MAX_IV_LENGTH
]; /* TLSv1.3 static write IV */
1031 EVP_MD_CTX
*write_hash
; /* used for mac generation */
1032 /* Count of how many KeyUpdate messages we have received */
1033 unsigned int key_update_count
;
1036 /* This is used to hold the server certificate used */
1037 struct cert_st
/* CERT */ *cert
;
1040 * The hash of all messages prior to the CertificateVerify, and the length
1043 unsigned char cert_verify_hash
[EVP_MAX_MD_SIZE
];
1044 size_t cert_verify_hash_len
;
1046 /* Flag to indicate whether we should send a HelloRetryRequest or not */
1047 int hello_retry_request
;
1050 * the session_id_context is used to ensure sessions are only reused in
1051 * the appropriate context
1053 size_t sid_ctx_length
;
1054 unsigned char sid_ctx
[SSL_MAX_SID_CTX_LENGTH
];
1055 /* This can also be in the session once a session is established */
1056 SSL_SESSION
*session
;
1057 /* Default generate session ID callback. */
1058 GEN_SESSION_CB generate_session_id
;
1061 * 0 don't care about verify failure.
1062 * 1 fail if verify fails
1064 uint32_t verify_mode
;
1065 /* fail if callback returns 0 */
1066 int (*verify_callback
) (int ok
, X509_STORE_CTX
*ctx
);
1067 /* optional informational callback */
1068 void (*info_callback
) (const SSL
*ssl
, int type
, int val
);
1069 /* error bytes to be written */
1073 # ifndef OPENSSL_NO_PSK
1074 SSL_psk_client_cb_func psk_client_callback
;
1075 SSL_psk_server_cb_func psk_server_callback
;
1078 /* Verified chain of peer */
1079 STACK_OF(X509
) *verified_chain
;
1081 /* extra application data */
1082 CRYPTO_EX_DATA ex_data
;
1083 /* for server side, keep the list of CA_dn we can use */
1084 STACK_OF(X509_NAME
) *client_CA
;
1085 CRYPTO_REF_COUNT references
;
1086 /* protocol behaviour */
1090 int min_proto_version
;
1091 int max_proto_version
;
1092 size_t max_cert_list
;
1095 * What was passed in ClientHello.legacy_version. Used for RSA pre-master
1096 * secret and SSLv3/TLS (<=1.2) rollback check
1100 * If we're using more than one pipeline how should we divide the data
1101 * up between the pipes?
1103 size_t split_send_fragment
;
1105 * Maximum amount of data to send in one fragment. actual record size can
1106 * be more than this due to padding and MAC overheads.
1108 size_t max_send_fragment
;
1109 /* Up to how many pipelines should we use? If 0 then 1 is assumed */
1110 size_t max_pipelines
;
1113 /* TLS extension debug callback */
1114 void (*debug_cb
)(SSL
*s
, int client_server
, int type
,
1115 const unsigned char *data
, int len
, void *arg
);
1118 /* certificate status request info */
1119 /* Status type or -1 if no status type */
1121 /* Raw extension data, if seen */
1122 unsigned char *scts
;
1123 /* Length of raw extension data, if seen */
1125 /* Expect OCSP CertificateStatus message */
1126 int status_expected
;
1129 /* OCSP status request only */
1130 STACK_OF(OCSP_RESPID
) *ids
;
1131 X509_EXTENSIONS
*exts
;
1132 /* OCSP response received or to be sent */
1133 unsigned char *resp
;
1137 /* RFC4507 session ticket expected to be received or sent */
1138 int ticket_expected
;
1139 # ifndef OPENSSL_NO_EC
1140 size_t ecpointformats_len
;
1142 unsigned char *ecpointformats
;
1143 size_t supportedgroups_len
;
1145 unsigned char *supportedgroups
;
1146 # endif /* OPENSSL_NO_EC */
1147 /* TLS Session Ticket extension override */
1148 TLS_SESSION_TICKET_EXT
*session_ticket
;
1149 /* TLS Session Ticket extension callback */
1150 tls_session_ticket_ext_cb_fn session_ticket_cb
;
1151 void *session_ticket_cb_arg
;
1152 /* TLS pre-shared secret session resumption */
1153 tls_session_secret_cb_fn session_secret_cb
;
1154 void *session_secret_cb_arg
;
1156 * For a client, this contains the list of supported protocols in wire
1159 unsigned char *alpn
;
1162 * Next protocol negotiation. For the client, this is the protocol that
1163 * we sent in NextProtocol and is set when handling ServerHello
1164 * extensions. For a server, this is the client's selected_protocol from
1165 * NextProtocol and is set when handling the NextProtocol message, before
1166 * the Finished message.
1171 /* The available PSK key exchange modes */
1174 /* Set to one if we have negotiated ETM */
1178 /* Parsed form of the ClientHello, kept around across early_cb calls. */
1179 CLIENTHELLO_MSG
*clienthello
;
1182 * no further mod of servername
1183 * 0 : call the servername extension callback.
1184 * 1 : prepare 2, allow last ack just after in server callback.
1185 * 2 : don't call servername callback, no ack in server hello
1187 int servername_done
;
1188 # ifndef OPENSSL_NO_CT
1190 * Validates that the SCTs (Signed Certificate Timestamps) are sufficient.
1191 * If they are not, the connection should be aborted.
1193 ssl_ct_validation_cb ct_validation_callback
;
1194 /* User-supplied argument that is passed to the ct_validation_callback */
1195 void *ct_validation_callback_arg
;
1197 * Consolidated stack of SCTs from all sources.
1198 * Lazily populated by CT_get_peer_scts(SSL*)
1200 STACK_OF(SCT
) *scts
;
1201 /* Have we attempted to find/parse SCTs yet? */
1204 SSL_CTX
*session_ctx
; /* initial ctx, used to store sessions */
1206 STACK_OF(SRTP_PROTECTION_PROFILE
) *srtp_profiles
;
1207 /* What's been chosen */
1208 SRTP_PROTECTION_PROFILE
*srtp_profile
;
1210 * 1 if we are renegotiating.
1211 * 2 if we are a server and are inside a handshake
1212 * (i.e. not just sending a HelloRequest)
1215 /* If sending a KeyUpdate is pending */
1217 # ifndef OPENSSL_NO_SRP
1218 /* ctx for SRP authentication */
1222 * Callback for disabling session caching and ticket support on a session
1223 * basis, depending on the chosen cipher.
1225 int (*not_resumable_session_cb
) (SSL
*ssl
, int is_forward_secure
);
1226 RECORD_LAYER rlayer
;
1227 /* Default password callback. */
1228 pem_password_cb
*default_passwd_callback
;
1229 /* Default password callback user data. */
1230 void *default_passwd_callback_userdata
;
1231 /* Async Job info */
1233 ASYNC_WAIT_CTX
*waitctx
;
1236 CRYPTO_RWLOCK
*lock
;
1240 * Structure containing table entry of values associated with the signature
1241 * algorithms (signature scheme) extension
1243 typedef struct sigalg_lookup_st
{
1244 /* TLS 1.3 signature scheme name */
1246 /* Raw value used in extension */
1248 /* NID of hash algorithm */
1250 /* Index of hash algorithm */
1252 /* NID of signature algorithm */
1254 /* Index of signature algorithm */
1256 /* Combined hash and signature NID, if any */
1258 /* Required public key curve (ECDSA only) */
1262 typedef struct cert_pkey_st CERT_PKEY
;
1264 typedef struct ssl3_state_st
{
1266 size_t read_mac_secret_size
;
1267 unsigned char read_mac_secret
[EVP_MAX_MD_SIZE
];
1268 size_t write_mac_secret_size
;
1269 unsigned char write_mac_secret
[EVP_MAX_MD_SIZE
];
1270 unsigned char server_random
[SSL3_RANDOM_SIZE
];
1271 unsigned char client_random
[SSL3_RANDOM_SIZE
];
1272 /* flags for countermeasure against known-IV weakness */
1273 int need_empty_fragments
;
1274 int empty_fragment_done
;
1275 /* used during startup, digest all incoming/outgoing packets */
1276 BIO
*handshake_buffer
;
1278 * When handshake digest is determined, buffer is hashed and
1279 * freed and MD_CTX for the required digest is stored here.
1281 EVP_MD_CTX
*handshake_dgst
;
1283 * Set whenever an expected ChangeCipherSpec message is processed.
1284 * Unset when the peer's Finished message is received.
1285 * Unexpected ChangeCipherSpec messages trigger a fatal alert.
1287 int change_cipher_spec
;
1291 * we allow one fatal and one warning alert to be outstanding, send close
1292 * alert via the warning alert
1295 unsigned char send_alert
[2];
1297 * This flag is set when we should renegotiate ASAP, basically when there
1298 * is no more data in the read or write buffers
1301 int total_renegotiations
;
1302 int num_renegotiations
;
1303 int in_read_app_data
;
1305 /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
1306 unsigned char finish_md
[EVP_MAX_MD_SIZE
* 2];
1307 size_t finish_md_len
;
1308 unsigned char peer_finish_md
[EVP_MAX_MD_SIZE
* 2];
1309 size_t peer_finish_md_len
;
1310 size_t message_size
;
1312 /* used to hold the new cipher we are going to use */
1313 const SSL_CIPHER
*new_cipher
;
1314 # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
1315 EVP_PKEY
*pkey
; /* holds short lived DH/ECDH key */
1317 /* used for certificate requests */
1320 char ctype
[SSL3_CT_NUMBER
];
1321 STACK_OF(X509_NAME
) *ca_names
;
1322 size_t key_block_length
;
1323 unsigned char *key_block
;
1324 const EVP_CIPHER
*new_sym_enc
;
1325 const EVP_MD
*new_hash
;
1326 int new_mac_pkey_type
;
1327 size_t new_mac_secret_size
;
1328 # ifndef OPENSSL_NO_COMP
1329 const SSL_COMP
*new_compression
;
1331 char *new_compression
;
1334 /* Raw values of the cipher list from a client */
1335 unsigned char *ciphers_raw
;
1336 size_t ciphers_rawlen
;
1337 /* Temporary storage for premaster secret */
1340 # ifndef OPENSSL_NO_PSK
1341 /* Temporary storage for PSK key */
1345 /* Signature algorithm we actually use */
1346 const SIGALG_LOOKUP
*sigalg
;
1347 /* Pointer to certificate we use */
1350 * signature algorithms peer reports: e.g. supported signature
1351 * algorithms extension for server or as part of a certificate
1352 * request for client.
1354 uint16_t *peer_sigalgs
;
1355 /* Size of above array */
1356 size_t peer_sigalgslen
;
1357 /* Sigalg peer actualy uses */
1358 const SIGALG_LOOKUP
*peer_sigalg
;
1360 * Set if corresponding CERT_PKEY can be used with current
1361 * SSL session: e.g. appropriate curve, signature algorithms etc.
1362 * If zero it can't be used at all.
1364 uint32_t valid_flags
[SSL_PKEY_NUM
];
1366 * For servers the following masks are for the key and auth algorithms
1367 * that are supported by the certs below. For clients they are masks of
1368 * *disabled* algorithms based on the current session.
1373 * The following are used by the client to see if a cipher is allowed or
1374 * not. It contains the minimum and maximum version the client's using
1375 * based on what it knows so far.
1381 /* Connection binding to prevent renegotiation attacks */
1382 unsigned char previous_client_finished
[EVP_MAX_MD_SIZE
];
1383 size_t previous_client_finished_len
;
1384 unsigned char previous_server_finished
[EVP_MAX_MD_SIZE
];
1385 size_t previous_server_finished_len
;
1386 int send_connection_binding
; /* TODOEKR */
1388 # ifndef OPENSSL_NO_NEXTPROTONEG
1390 * Set if we saw the Next Protocol Negotiation extension from our peer.
1396 * ALPN information (we are in the process of transitioning from NPN to
1401 * In a server these point to the selected ALPN protocol after the
1402 * ClientHello has been processed. In a client these contain the protocol
1403 * that the server selected once the ServerHello has been processed.
1405 unsigned char *alpn_selected
;
1406 size_t alpn_selected_len
;
1407 /* used by the server to know what options were proposed */
1408 unsigned char *alpn_proposed
;
1409 size_t alpn_proposed_len
;
1410 /* used by the client to know if it actually sent alpn */
1413 # ifndef OPENSSL_NO_EC
1415 * This is set to true if we believe that this is a version of Safari
1416 * running on OS X 10.6 or newer. We wish to know this because Safari on
1417 * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support.
1419 char is_probably_safari
;
1420 # endif /* !OPENSSL_NO_EC */
1422 /* For clients: peer temporary key */
1423 # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
1424 /* The group_id for the DH/ECDH key */
1425 unsigned int group_id
;
1431 /* DTLS structures */
1433 # ifndef OPENSSL_NO_SCTP
1434 # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP"
1437 /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */
1438 # define DTLS1_MAX_MTU_OVERHEAD 48
1441 * Flag used in message reuse to indicate the buffer contains the record
1442 * header as well as the the handshake message header.
1444 # define DTLS1_SKIP_RECORD_HEADER 2
1446 struct dtls1_retransmit_state
{
1447 EVP_CIPHER_CTX
*enc_write_ctx
; /* cryptographic state */
1448 EVP_MD_CTX
*write_hash
; /* used for mac generation */
1449 COMP_CTX
*compress
; /* compression */
1450 SSL_SESSION
*session
;
1451 unsigned short epoch
;
1454 struct hm_header_st
{
1460 unsigned int is_ccs
;
1461 struct dtls1_retransmit_state saved_retransmit_state
;
1464 struct dtls1_timeout_st
{
1465 /* Number of read timeouts so far */
1466 unsigned int read_timeouts
;
1467 /* Number of write timeouts so far */
1468 unsigned int write_timeouts
;
1469 /* Number of alerts received so far */
1470 unsigned int num_alerts
;
1473 typedef struct hm_fragment_st
{
1474 struct hm_header_st msg_header
;
1475 unsigned char *fragment
;
1476 unsigned char *reassembly
;
1479 typedef struct pqueue_st pqueue
;
1480 typedef struct pitem_st pitem
;
1483 unsigned char priority
[8]; /* 64-bit value in big-endian encoding */
1488 typedef struct pitem_st
*piterator
;
1490 pitem
*pitem_new(unsigned char *prio64be
, void *data
);
1491 void pitem_free(pitem
*item
);
1492 pqueue
*pqueue_new(void);
1493 void pqueue_free(pqueue
*pq
);
1494 pitem
*pqueue_insert(pqueue
*pq
, pitem
*item
);
1495 pitem
*pqueue_peek(pqueue
*pq
);
1496 pitem
*pqueue_pop(pqueue
*pq
);
1497 pitem
*pqueue_find(pqueue
*pq
, unsigned char *prio64be
);
1498 pitem
*pqueue_iterator(pqueue
*pq
);
1499 pitem
*pqueue_next(piterator
*iter
);
1500 size_t pqueue_size(pqueue
*pq
);
1502 typedef struct dtls1_state_st
{
1503 unsigned char cookie
[DTLS1_COOKIE_LENGTH
];
1505 unsigned int cookie_verified
;
1506 /* handshake message numbers */
1507 unsigned short handshake_write_seq
;
1508 unsigned short next_handshake_write_seq
;
1509 unsigned short handshake_read_seq
;
1510 /* Buffered handshake messages */
1511 pqueue
*buffered_messages
;
1512 /* Buffered (sent) handshake records */
1513 pqueue
*sent_messages
;
1514 size_t link_mtu
; /* max on-the-wire DTLS packet size */
1515 size_t mtu
; /* max DTLS packet size */
1516 struct hm_header_st w_msg_hdr
;
1517 struct hm_header_st r_msg_hdr
;
1518 struct dtls1_timeout_st timeout
;
1520 * Indicates when the last handshake msg sent will timeout
1522 struct timeval next_timeout
;
1523 /* Timeout duration */
1524 unsigned short timeout_duration
;
1525 unsigned int retransmitting
;
1526 # ifndef OPENSSL_NO_SCTP
1527 int shutdown_received
;
1531 # ifndef OPENSSL_NO_EC
1533 * From ECC-TLS draft, used in encoding the curve type in ECParameters
1535 # define EXPLICIT_PRIME_CURVE_TYPE 1
1536 # define EXPLICIT_CHAR2_CURVE_TYPE 2
1537 # define NAMED_CURVE_TYPE 3
1538 # endif /* OPENSSL_NO_EC */
1540 struct cert_pkey_st
{
1542 EVP_PKEY
*privatekey
;
1543 /* Chain for this certificate */
1544 STACK_OF(X509
) *chain
;
1546 * serverinfo data for this certificate. The data is in TLS Extension
1547 * wire format, specifically it's a series of records like:
1548 * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension)
1550 * uint8_t data[length];
1552 unsigned char *serverinfo
;
1553 size_t serverinfo_length
;
1555 /* Retrieve Suite B flags */
1556 # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS)
1557 /* Uses to check strict mode: suite B modes are always strict */
1558 # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \
1559 (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT)
1562 unsigned short ext_type
;
1564 * Per-connection flags relating to this extension type: not used if
1565 * part of an SSL_CTX structure.
1568 custom_ext_add_cb add_cb
;
1569 custom_ext_free_cb free_cb
;
1571 custom_ext_parse_cb parse_cb
;
1573 } custom_ext_method
;
1575 /* ext_flags values */
1578 * Indicates an extension has been received. Used to check for unsolicited or
1579 * duplicate extensions.
1581 # define SSL_EXT_FLAG_RECEIVED 0x1
1583 * Indicates an extension has been sent: used to enable sending of
1584 * corresponding ServerHello extension.
1586 # define SSL_EXT_FLAG_SENT 0x2
1589 custom_ext_method
*meths
;
1591 } custom_ext_methods
;
1593 typedef struct cert_st
{
1594 /* Current active set */
1596 * ALWAYS points to an element of the pkeys array
1597 * Probably it would make more sense to store
1598 * an index, not a pointer.
1601 # ifndef OPENSSL_NO_DH
1603 DH
*(*dh_tmp_cb
) (SSL
*ssl
, int is_export
, int keysize
);
1606 /* Flags related to certificates */
1607 uint32_t cert_flags
;
1608 CERT_PKEY pkeys
[SSL_PKEY_NUM
];
1610 * Certificate types (received or sent) in certificate request message.
1611 * On receive this is only set if number of certificate types exceeds
1614 unsigned char *ctypes
;
1617 * supported signature algorithms. When set on a client this is sent in
1618 * the client hello as the supported signature algorithms extension. For
1619 * servers it represents the signature algorithms we are willing to use.
1621 uint16_t *conf_sigalgs
;
1622 /* Size of above array */
1623 size_t conf_sigalgslen
;
1625 * Client authentication signature algorithms, if not set then uses
1626 * conf_sigalgs. On servers these will be the signature algorithms sent
1627 * to the client in a certificate request for TLS 1.2. On a client this
1628 * represents the signature algorithms we are willing to use for client
1631 uint16_t *client_sigalgs
;
1632 /* Size of above array */
1633 size_t client_sigalgslen
;
1635 * Signature algorithms shared by client and server: cached because these
1636 * are used most often.
1638 const SIGALG_LOOKUP
**shared_sigalgs
;
1639 size_t shared_sigalgslen
;
1641 * Certificate setup callback: if set is called whenever a certificate
1642 * may be required (client or server). the callback can then examine any
1643 * appropriate parameters and setup any certificates required. This
1644 * allows advanced applications to select certificates on the fly: for
1645 * example based on supported signature algorithms or curves.
1647 int (*cert_cb
) (SSL
*ssl
, void *arg
);
1650 * Optional X509_STORE for chain building or certificate validation If
1651 * NULL the parent SSL_CTX store is used instead.
1653 X509_STORE
*chain_store
;
1654 X509_STORE
*verify_store
;
1655 /* Custom extension methods for server and client */
1656 custom_ext_methods cli_ext
;
1657 custom_ext_methods srv_ext
;
1658 /* Security callback */
1659 int (*sec_cb
) (const SSL
*s
, const SSL_CTX
*ctx
, int op
, int bits
, int nid
,
1660 void *other
, void *ex
);
1661 /* Security level */
1664 # ifndef OPENSSL_NO_PSK
1665 /* If not NULL psk identity hint to use for servers */
1666 char *psk_identity_hint
;
1668 CRYPTO_REF_COUNT references
; /* >1 only if SSL_copy_session_id is used */
1669 CRYPTO_RWLOCK
*lock
;
1672 # define FP_ICC (int (*)(const void *,const void *))
1675 * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit
1676 * of a mess of functions, but hell, think of it as an opaque structure :-)
1678 typedef struct ssl3_enc_method
{
1679 int (*enc
) (SSL
*, SSL3_RECORD
*, size_t, int);
1680 int (*mac
) (SSL
*, SSL3_RECORD
*, unsigned char *, int);
1681 int (*setup_key_block
) (SSL
*);
1682 int (*generate_master_secret
) (SSL
*, unsigned char *, unsigned char *,
1684 int (*change_cipher_state
) (SSL
*, int);
1685 size_t (*final_finish_mac
) (SSL
*, const char *, size_t, unsigned char *);
1686 const char *client_finished_label
;
1687 size_t client_finished_label_len
;
1688 const char *server_finished_label
;
1689 size_t server_finished_label_len
;
1690 int (*alert_value
) (int);
1691 int (*export_keying_material
) (SSL
*, unsigned char *, size_t,
1692 const char *, size_t,
1693 const unsigned char *, size_t,
1695 /* Various flags indicating protocol version requirements */
1697 /* Set the handshake header */
1698 int (*set_handshake_header
) (SSL
*s
, WPACKET
*pkt
, int type
);
1699 /* Close construction of the handshake message */
1700 int (*close_construct_packet
) (SSL
*s
, WPACKET
*pkt
, int htype
);
1701 /* Write out handshake message */
1702 int (*do_write
) (SSL
*s
);
1705 # define ssl_set_handshake_header(s, pkt, htype) \
1706 s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype))
1707 # define ssl_close_construct_packet(s, pkt, htype) \
1708 s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype))
1709 # define ssl_do_write(s) s->method->ssl3_enc->do_write(s)
1711 /* Values for enc_flags */
1713 /* Uses explicit IV for CBC mode */
1714 # define SSL_ENC_FLAG_EXPLICIT_IV 0x1
1715 /* Uses signature algorithms extension */
1716 # define SSL_ENC_FLAG_SIGALGS 0x2
1717 /* Uses SHA256 default PRF */
1718 # define SSL_ENC_FLAG_SHA256_PRF 0x4
1720 # define SSL_ENC_FLAG_DTLS 0x8
1722 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
1723 * apply to others in future.
1725 # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10
1727 # ifndef OPENSSL_NO_COMP
1728 /* Used for holding the relevant compression methods loaded into SSL_CTX */
1729 typedef struct ssl3_comp_st
{
1730 int comp_id
; /* The identifier byte for this compression
1732 char *name
; /* Text name used for the compression type */
1733 COMP_METHOD
*method
; /* The method :-) */
1738 * Extension index values NOTE: Any updates to these defines should be mirrored
1739 * with equivalent updates to ext_defs in extensions.c
1741 typedef enum tlsext_index_en
{
1742 TLSEXT_IDX_renegotiate
,
1743 TLSEXT_IDX_server_name
,
1745 TLSEXT_IDX_ec_point_formats
,
1746 TLSEXT_IDX_supported_groups
,
1747 TLSEXT_IDX_session_ticket
,
1748 TLSEXT_IDX_signature_algorithms
,
1749 TLSEXT_IDX_status_request
,
1750 TLSEXT_IDX_next_proto_neg
,
1751 TLSEXT_IDX_application_layer_protocol_negotiation
,
1752 TLSEXT_IDX_use_srtp
,
1753 TLSEXT_IDX_encrypt_then_mac
,
1754 TLSEXT_IDX_signed_certificate_timestamp
,
1755 TLSEXT_IDX_extended_master_secret
,
1756 TLSEXT_IDX_supported_versions
,
1757 TLSEXT_IDX_psk_kex_modes
,
1758 TLSEXT_IDX_key_share
,
1759 TLSEXT_IDX_cryptopro_bug
,
1765 * Dummy status type for the status_type extension. Indicates no status type
1768 #define TLSEXT_STATUSTYPE_nothing -1
1770 /* Sigalgs values */
1771 #define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403
1772 #define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503
1773 #define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603
1774 #define TLSEXT_SIGALG_ecdsa_sha1 0x0203
1775 #define TLSEXT_SIGALG_rsa_pss_sha256 0x0804
1776 #define TLSEXT_SIGALG_rsa_pss_sha384 0x0805
1777 #define TLSEXT_SIGALG_rsa_pss_sha512 0x0806
1778 #define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401
1779 #define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501
1780 #define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601
1781 #define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201
1782 #define TLSEXT_SIGALG_dsa_sha256 0x0402
1783 #define TLSEXT_SIGALG_dsa_sha384 0x0502
1784 #define TLSEXT_SIGALG_dsa_sha512 0x0602
1785 #define TLSEXT_SIGALG_dsa_sha1 0x0202
1786 #define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee
1787 #define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef
1788 #define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded
1790 /* Known PSK key exchange modes */
1791 #define TLSEXT_KEX_MODE_KE 0x00
1792 #define TLSEXT_KEX_MODE_KE_DHE 0x01
1795 * Internal representations of key exchange modes
1797 #define TLSEXT_KEX_MODE_FLAG_NONE 0
1798 #define TLSEXT_KEX_MODE_FLAG_KE 1
1799 #define TLSEXT_KEX_MODE_FLAG_KE_DHE 2
1801 /* An invalid index into the TLSv1.3 PSK identities */
1802 #define TLSEXT_PSK_BAD_IDENTITY -1
1804 #define SSL_USE_PSS(s) (s->s3->tmp.peer_sigalg != NULL && \
1805 s->s3->tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS)
1807 /* A dummy signature value not valid for TLSv1.2 signature algs */
1808 #define TLSEXT_signature_rsa_pss 0x0101
1811 extern SSL3_ENC_METHOD ssl3_undef_enc_method
;
1813 __owur
const SSL_METHOD
*ssl_bad_method(int ver
);
1814 __owur
const SSL_METHOD
*sslv3_method(void);
1815 __owur
const SSL_METHOD
*sslv3_server_method(void);
1816 __owur
const SSL_METHOD
*sslv3_client_method(void);
1817 __owur
const SSL_METHOD
*tlsv1_method(void);
1818 __owur
const SSL_METHOD
*tlsv1_server_method(void);
1819 __owur
const SSL_METHOD
*tlsv1_client_method(void);
1820 __owur
const SSL_METHOD
*tlsv1_1_method(void);
1821 __owur
const SSL_METHOD
*tlsv1_1_server_method(void);
1822 __owur
const SSL_METHOD
*tlsv1_1_client_method(void);
1823 __owur
const SSL_METHOD
*tlsv1_2_method(void);
1824 __owur
const SSL_METHOD
*tlsv1_2_server_method(void);
1825 __owur
const SSL_METHOD
*tlsv1_2_client_method(void);
1826 __owur
const SSL_METHOD
*tlsv1_3_method(void);
1827 __owur
const SSL_METHOD
*tlsv1_3_server_method(void);
1828 __owur
const SSL_METHOD
*tlsv1_3_client_method(void);
1829 __owur
const SSL_METHOD
*dtlsv1_method(void);
1830 __owur
const SSL_METHOD
*dtlsv1_server_method(void);
1831 __owur
const SSL_METHOD
*dtlsv1_client_method(void);
1832 __owur
const SSL_METHOD
*dtls_bad_ver_client_method(void);
1833 __owur
const SSL_METHOD
*dtlsv1_2_method(void);
1834 __owur
const SSL_METHOD
*dtlsv1_2_server_method(void);
1835 __owur
const SSL_METHOD
*dtlsv1_2_client_method(void);
1837 extern const SSL3_ENC_METHOD TLSv1_enc_data
;
1838 extern const SSL3_ENC_METHOD TLSv1_1_enc_data
;
1839 extern const SSL3_ENC_METHOD TLSv1_2_enc_data
;
1840 extern const SSL3_ENC_METHOD TLSv1_3_enc_data
;
1841 extern const SSL3_ENC_METHOD SSLv3_enc_data
;
1842 extern const SSL3_ENC_METHOD DTLSv1_enc_data
;
1843 extern const SSL3_ENC_METHOD DTLSv1_2_enc_data
;
1846 * Flags for SSL methods
1848 # define SSL_METHOD_NO_FIPS (1U<<0)
1849 # define SSL_METHOD_NO_SUITEB (1U<<1)
1851 # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \
1852 s_connect, enc_data) \
1853 const SSL_METHOD *func_name(void) \
1855 static const SSL_METHOD func_name##_data= { \
1869 ssl3_renegotiate_check, \
1872 ssl3_dispatch_alert, \
1875 ssl3_get_cipher_by_char, \
1876 ssl3_put_cipher_by_char, \
1880 tls1_default_timeout, \
1882 ssl_undefined_void_function, \
1883 ssl3_callback_ctrl, \
1884 ssl3_ctx_callback_ctrl, \
1886 return &func_name##_data; \
1889 # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \
1890 const SSL_METHOD *func_name(void) \
1892 static const SSL_METHOD func_name##_data= { \
1894 SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \
1906 ssl3_renegotiate_check, \
1909 ssl3_dispatch_alert, \
1912 ssl3_get_cipher_by_char, \
1913 ssl3_put_cipher_by_char, \
1917 ssl3_default_timeout, \
1919 ssl_undefined_void_function, \
1920 ssl3_callback_ctrl, \
1921 ssl3_ctx_callback_ctrl, \
1923 return &func_name##_data; \
1926 # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \
1927 s_connect, enc_data) \
1928 const SSL_METHOD *func_name(void) \
1930 static const SSL_METHOD func_name##_data= { \
1944 ssl3_renegotiate_check, \
1946 dtls1_write_app_data_bytes, \
1947 dtls1_dispatch_alert, \
1950 ssl3_get_cipher_by_char, \
1951 ssl3_put_cipher_by_char, \
1955 dtls1_default_timeout, \
1957 ssl_undefined_void_function, \
1958 ssl3_callback_ctrl, \
1959 ssl3_ctx_callback_ctrl, \
1961 return &func_name##_data; \
1964 struct openssl_ssl_test_functions
{
1965 int (*p_ssl_init_wbio_buffer
) (SSL
*s
);
1966 int (*p_ssl3_setup_buffers
) (SSL
*s
);
1969 const char *ssl_protocol_to_string(int version
);
1971 /* Returns true if certificate and private key for 'idx' are present */
1972 static ossl_inline
int ssl_has_cert(const SSL
*s
, int idx
)
1974 if (idx
< 0 || idx
>= SSL_PKEY_NUM
)
1976 return s
->cert
->pkeys
[idx
].x509
!= NULL
1977 && s
->cert
->pkeys
[idx
].privatekey
!= NULL
;
1980 # ifndef OPENSSL_UNIT_TEST
1982 __owur
int ssl_read_internal(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
);
1983 __owur
int ssl_write_internal(SSL
*s
, const void *buf
, size_t num
, size_t *written
);
1984 void ssl_clear_cipher_ctx(SSL
*s
);
1985 int ssl_clear_bad_session(SSL
*s
);
1986 __owur CERT
*ssl_cert_new(void);
1987 __owur CERT
*ssl_cert_dup(CERT
*cert
);
1988 void ssl_cert_clear_certs(CERT
*c
);
1989 void ssl_cert_free(CERT
*c
);
1990 __owur
int ssl_get_new_session(SSL
*s
, int session
);
1991 __owur
int ssl_get_prev_session(SSL
*s
, CLIENTHELLO_MSG
*hello
, int *al
);
1992 __owur SSL_SESSION
*ssl_session_dup(SSL_SESSION
*src
, int ticket
);
1993 __owur
int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
);
1994 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);
1995 __owur
int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
1996 const SSL_CIPHER
*const *bp
);
1997 __owur
STACK_OF(SSL_CIPHER
) *ssl_create_cipher_list(const SSL_METHOD
*meth
,
1998 STACK_OF(SSL_CIPHER
) **pref
,
1999 STACK_OF(SSL_CIPHER
)
2001 const char *rule_str
,
2003 __owur
int ssl_cache_cipherlist(SSL
*s
, PACKET
*cipher_suites
,
2004 int sslv2format
, int *al
);
2005 __owur
int bytes_to_cipher_list(SSL
*s
, PACKET
*cipher_suites
,
2006 STACK_OF(SSL_CIPHER
) **skp
,
2007 STACK_OF(SSL_CIPHER
) **scsvs
, int sslv2format
,
2009 void ssl_update_cache(SSL
*s
, int mode
);
2010 __owur
int ssl_cipher_get_evp(const SSL_SESSION
*s
, const EVP_CIPHER
**enc
,
2011 const EVP_MD
**md
, int *mac_pkey_type
,
2012 size_t *mac_secret_size
, SSL_COMP
**comp
,
2014 __owur
int ssl_cipher_get_overhead(const SSL_CIPHER
*c
, size_t *mac_overhead
,
2015 size_t *int_overhead
, size_t *blocksize
,
2016 size_t *ext_overhead
);
2017 __owur
int ssl_cipher_get_cert_index(const SSL_CIPHER
*c
);
2018 __owur
const SSL_CIPHER
*ssl_get_cipher_by_char(SSL
*ssl
,
2019 const unsigned char *ptr
,
2021 __owur
int ssl_cert_set0_chain(SSL
*s
, SSL_CTX
*ctx
, STACK_OF(X509
) *chain
);
2022 __owur
int ssl_cert_set1_chain(SSL
*s
, SSL_CTX
*ctx
, STACK_OF(X509
) *chain
);
2023 __owur
int ssl_cert_add0_chain_cert(SSL
*s
, SSL_CTX
*ctx
, X509
*x
);
2024 __owur
int ssl_cert_add1_chain_cert(SSL
*s
, SSL_CTX
*ctx
, X509
*x
);
2025 __owur
int ssl_cert_select_current(CERT
*c
, X509
*x
);
2026 __owur
int ssl_cert_set_current(CERT
*c
, long arg
);
2027 __owur X509
*ssl_cert_get0_next_certificate(CERT
*c
, int first
);
2028 void ssl_cert_set_cert_cb(CERT
*c
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
);
2030 __owur
int ssl_verify_cert_chain(SSL
*s
, STACK_OF(X509
) *sk
);
2031 __owur
int ssl_build_cert_chain(SSL
*s
, SSL_CTX
*ctx
, int flags
);
2032 __owur
int ssl_cert_set_cert_store(CERT
*c
, X509_STORE
*store
, int chain
,
2035 __owur
int ssl_security(const SSL
*s
, int op
, int bits
, int nid
, void *other
);
2036 __owur
int ssl_ctx_security(const SSL_CTX
*ctx
, int op
, int bits
, int nid
,
2039 int ssl_undefined_function(SSL
*s
);
2040 __owur
int ssl_undefined_void_function(void);
2041 __owur
int ssl_undefined_const_function(const SSL
*s
);
2042 __owur
int ssl_get_server_cert_serverinfo(SSL
*s
,
2043 const unsigned char **serverinfo
,
2044 size_t *serverinfo_length
);
2045 __owur
int ssl_cert_type(const X509
*x
, const EVP_PKEY
*pkey
);
2046 void ssl_set_masks(SSL
*s
);
2047 __owur
STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
);
2048 __owur
int ssl_verify_alarm_type(long type
);
2049 void ssl_sort_cipher_list(void);
2050 void ssl_load_ciphers(void);
2051 __owur
int ssl_fill_hello_random(SSL
*s
, int server
, unsigned char *field
,
2053 __owur
int ssl_generate_master_secret(SSL
*s
, unsigned char *pms
, size_t pmslen
,
2055 __owur EVP_PKEY
*ssl_generate_pkey(EVP_PKEY
*pm
);
2056 __owur
int ssl_derive(SSL
*s
, EVP_PKEY
*privkey
, EVP_PKEY
*pubkey
,
2058 __owur EVP_PKEY
*ssl_dh_to_pkey(DH
*dh
);
2060 __owur
const SSL_CIPHER
*ssl3_get_cipher_by_id(uint32_t id
);
2061 __owur
const SSL_CIPHER
*ssl3_get_cipher_by_char(const unsigned char *p
);
2062 __owur
int ssl3_put_cipher_by_char(const SSL_CIPHER
*c
, WPACKET
*pkt
,
2064 int ssl3_init_finished_mac(SSL
*s
);
2065 __owur
int ssl3_setup_key_block(SSL
*s
);
2066 __owur
int ssl3_change_cipher_state(SSL
*s
, int which
);
2067 void ssl3_cleanup_key_block(SSL
*s
);
2068 __owur
int ssl3_do_write(SSL
*s
, int type
);
2069 int ssl3_send_alert(SSL
*s
, int level
, int desc
);
2070 __owur
int ssl3_generate_master_secret(SSL
*s
, unsigned char *out
,
2071 unsigned char *p
, size_t len
,
2072 size_t *secret_size
);
2073 __owur
int ssl3_get_req_cert_type(SSL
*s
, WPACKET
*pkt
);
2074 __owur
int ssl3_num_ciphers(void);
2075 __owur
const SSL_CIPHER
*ssl3_get_cipher(unsigned int u
);
2076 int ssl3_renegotiate(SSL
*ssl
);
2077 int ssl3_renegotiate_check(SSL
*ssl
, int initok
);
2078 __owur
int ssl3_dispatch_alert(SSL
*s
);
2079 __owur
size_t ssl3_final_finish_mac(SSL
*s
, const char *sender
, size_t slen
,
2081 __owur
int ssl3_finish_mac(SSL
*s
, const unsigned char *buf
, size_t len
);
2082 void ssl3_free_digest_list(SSL
*s
);
2083 __owur
unsigned long ssl3_output_cert_chain(SSL
*s
, WPACKET
*pkt
,
2084 CERT_PKEY
*cpk
, int *al
);
2085 __owur
const SSL_CIPHER
*ssl3_choose_cipher(SSL
*ssl
,
2086 STACK_OF(SSL_CIPHER
) *clnt
,
2087 STACK_OF(SSL_CIPHER
) *srvr
);
2088 __owur
int ssl3_digest_cached_records(SSL
*s
, int keep
);
2089 __owur
int ssl3_new(SSL
*s
);
2090 void ssl3_free(SSL
*s
);
2091 __owur
int ssl3_read(SSL
*s
, void *buf
, size_t len
, size_t *readbytes
);
2092 __owur
int ssl3_peek(SSL
*s
, void *buf
, size_t len
, size_t *readbytes
);
2093 __owur
int ssl3_write(SSL
*s
, const void *buf
, size_t len
, size_t *written
);
2094 __owur
int ssl3_shutdown(SSL
*s
);
2095 void ssl3_clear(SSL
*s
);
2096 __owur
long ssl3_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
);
2097 __owur
long ssl3_ctx_ctrl(SSL_CTX
*s
, int cmd
, long larg
, void *parg
);
2098 __owur
long ssl3_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void));
2099 __owur
long ssl3_ctx_callback_ctrl(SSL_CTX
*s
, int cmd
, void (*fp
) (void));
2101 __owur
int ssl3_do_change_cipher_spec(SSL
*ssl
);
2102 __owur
long ssl3_default_timeout(void);
2104 __owur
int ssl3_set_handshake_header(SSL
*s
, WPACKET
*pkt
, int htype
);
2105 __owur
int tls_close_construct_packet(SSL
*s
, WPACKET
*pkt
, int htype
);
2106 __owur
int tls_setup_handshake(SSL
*s
);
2107 __owur
int dtls1_set_handshake_header(SSL
*s
, WPACKET
*pkt
, int htype
);
2108 __owur
int dtls1_close_construct_packet(SSL
*s
, WPACKET
*pkt
, int htype
);
2109 __owur
int ssl3_handshake_write(SSL
*s
);
2111 __owur
int ssl_allow_compression(SSL
*s
);
2113 __owur
int ssl_version_supported(const SSL
*s
, int version
);
2115 __owur
int ssl_set_client_hello_version(SSL
*s
);
2116 __owur
int ssl_check_version_downgrade(SSL
*s
);
2117 __owur
int ssl_set_version_bound(int method_version
, int version
, int *bound
);
2118 __owur
int ssl_choose_server_version(SSL
*s
, CLIENTHELLO_MSG
*hello
);
2119 __owur
int ssl_choose_client_version(SSL
*s
, int version
);
2120 int ssl_get_client_min_max_version(const SSL
*s
, int *min_version
,
2123 __owur
long tls1_default_timeout(void);
2124 __owur
int dtls1_do_write(SSL
*s
, int type
);
2125 void dtls1_set_message_header(SSL
*s
,
2128 size_t frag_off
, size_t frag_len
);
2130 int dtls1_write_app_data_bytes(SSL
*s
, int type
, const void *buf_
, size_t len
,
2133 __owur
int dtls1_read_failed(SSL
*s
, int code
);
2134 __owur
int dtls1_buffer_message(SSL
*s
, int ccs
);
2135 __owur
int dtls1_retransmit_message(SSL
*s
, unsigned short seq
, int *found
);
2136 __owur
int dtls1_get_queue_priority(unsigned short seq
, int is_ccs
);
2137 int dtls1_retransmit_buffered_messages(SSL
*s
);
2138 void dtls1_clear_received_buffer(SSL
*s
);
2139 void dtls1_clear_sent_buffer(SSL
*s
);
2140 void dtls1_get_message_header(unsigned char *data
,
2141 struct hm_header_st
*msg_hdr
);
2142 __owur
long dtls1_default_timeout(void);
2143 __owur
struct timeval
*dtls1_get_timeout(SSL
*s
, struct timeval
*timeleft
);
2144 __owur
int dtls1_check_timeout_num(SSL
*s
);
2145 __owur
int dtls1_handle_timeout(SSL
*s
);
2146 void dtls1_start_timer(SSL
*s
);
2147 void dtls1_stop_timer(SSL
*s
);
2148 __owur
int dtls1_is_timer_expired(SSL
*s
);
2149 void dtls1_double_timeout(SSL
*s
);
2150 __owur
int dtls_raw_hello_verify_request(WPACKET
*pkt
, unsigned char *cookie
,
2152 __owur
int dtls1_send_newsession_ticket(SSL
*s
);
2153 __owur
size_t dtls1_min_mtu(SSL
*s
);
2154 void dtls1_hm_fragment_free(hm_fragment
*frag
);
2155 __owur
int dtls1_query_mtu(SSL
*s
);
2157 __owur
int tls1_new(SSL
*s
);
2158 void tls1_free(SSL
*s
);
2159 void tls1_clear(SSL
*s
);
2160 long tls1_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
);
2161 long tls1_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void));
2163 __owur
int dtls1_new(SSL
*s
);
2164 void dtls1_free(SSL
*s
);
2165 void dtls1_clear(SSL
*s
);
2166 long dtls1_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
);
2167 __owur
int dtls1_shutdown(SSL
*s
);
2169 __owur
int dtls1_dispatch_alert(SSL
*s
);
2171 __owur
int ssl_init_wbio_buffer(SSL
*s
);
2172 void ssl_free_wbio_buffer(SSL
*s
);
2174 __owur
int tls1_change_cipher_state(SSL
*s
, int which
);
2175 __owur
int tls1_setup_key_block(SSL
*s
);
2176 __owur
size_t tls1_final_finish_mac(SSL
*s
, const char *str
, size_t slen
,
2178 __owur
int tls1_generate_master_secret(SSL
*s
, unsigned char *out
,
2179 unsigned char *p
, size_t len
,
2180 size_t *secret_size
);
2181 __owur
int tls13_setup_key_block(SSL
*s
);
2182 __owur
size_t tls13_final_finish_mac(SSL
*s
, const char *str
, size_t slen
,
2184 __owur
int tls13_change_cipher_state(SSL
*s
, int which
);
2185 __owur
int tls13_update_key(SSL
*s
, int send
);
2186 __owur
int tls13_hkdf_expand(SSL
*s
, const EVP_MD
*md
,
2187 const unsigned char *secret
,
2188 const unsigned char *label
, size_t labellen
,
2189 const unsigned char *hash
,
2190 unsigned char *out
, size_t outlen
);
2191 __owur
int tls13_derive_key(SSL
*s
, const unsigned char *secret
,
2192 unsigned char *key
, size_t keylen
);
2193 __owur
int tls13_derive_iv(SSL
*s
, const unsigned char *secret
,
2194 unsigned char *iv
, size_t ivlen
);
2195 __owur
int tls13_derive_finishedkey(SSL
*s
, const EVP_MD
*md
,
2196 const unsigned char *secret
,
2197 unsigned char *fin
, size_t finlen
);
2198 int tls13_generate_secret(SSL
*s
, const EVP_MD
*md
,
2199 const unsigned char *prevsecret
,
2200 const unsigned char *insecret
,
2202 unsigned char *outsecret
);
2203 __owur
int tls13_generate_handshake_secret(SSL
*s
,
2204 const unsigned char *insecret
,
2205 size_t insecretlen
);
2206 __owur
int tls13_generate_master_secret(SSL
*s
, unsigned char *out
,
2207 unsigned char *prev
, size_t prevlen
,
2208 size_t *secret_size
);
2209 __owur
int tls1_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
2210 const char *label
, size_t llen
,
2211 const unsigned char *p
, size_t plen
,
2213 __owur
int tls1_alert_code(int code
);
2214 __owur
int tls13_alert_code(int code
);
2215 __owur
int ssl3_alert_code(int code
);
2216 __owur
int ssl_ok(SSL
*s
);
2218 # ifndef OPENSSL_NO_EC
2219 __owur
int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
);
2222 SSL_COMP
*ssl3_comp_find(STACK_OF(SSL_COMP
) *sk
, int n
);
2224 # ifndef OPENSSL_NO_EC
2225 /* Flags values from tls1_ec_curve_id2nid() */
2226 /* Mask for curve type */
2227 # define TLS_CURVE_TYPE 0x3
2228 # define TLS_CURVE_PRIME 0x0
2229 # define TLS_CURVE_CHAR2 0x1
2230 # define TLS_CURVE_CUSTOM 0x2
2232 #define bytestogroup(bytes) ((unsigned int)(bytes[0] << 8 | bytes[1]))
2234 __owur
int tls1_ec_curve_id2nid(int curve_id
, unsigned int *pflags
);
2235 __owur
int tls1_ec_nid2curve_id(int nid
);
2236 __owur
int tls1_check_curve(SSL
*s
, const unsigned char *p
, size_t len
);
2237 __owur
int tls1_shared_group(SSL
*s
, int nmatch
);
2238 __owur
int tls1_set_groups(unsigned char **pext
, size_t *pextlen
,
2239 int *curves
, size_t ncurves
);
2240 __owur
int tls1_set_groups_list(unsigned char **pext
, size_t *pextlen
,
2242 void tls1_get_formatlist(SSL
*s
, const unsigned char **pformats
,
2243 size_t *num_formats
);
2244 __owur
int tls1_check_ec_tmp_key(SSL
*s
, unsigned long id
);
2245 __owur EVP_PKEY
*ssl_generate_pkey_curve(int id
);
2246 # endif /* OPENSSL_NO_EC */
2248 __owur
int tls1_shared_list(SSL
*s
,
2249 const unsigned char *l1
, size_t l1len
,
2250 const unsigned char *l2
, size_t l2len
, int nmatch
);
2251 __owur
int tls_curve_allowed(SSL
*s
, const unsigned char *curve
, int op
);
2252 __owur
int tls1_get_curvelist(SSL
*s
, int sess
, const unsigned char **pcurves
,
2253 size_t *num_curves
);
2255 void ssl_set_default_md(SSL
*s
);
2256 __owur
int tls1_set_server_sigalgs(SSL
*s
);
2258 /* Return codes for tls_get_ticket_from_client() and tls_decrypt_ticket() */
2259 typedef enum ticket_en
{
2260 /* fatal error, malloc failure */
2261 TICKET_FATAL_ERR_MALLOC
,
2262 /* fatal error, either from parsing or decrypting the ticket */
2263 TICKET_FATAL_ERR_OTHER
,
2264 /* No ticket present */
2266 /* Empty ticket present */
2268 /* the ticket couldn't be decrypted */
2270 /* a ticket was successfully decrypted */
2272 /* same as above but the ticket needs to be reneewed */
2273 TICKET_SUCCESS_RENEW
2276 __owur TICKET_RETURN
tls_get_ticket_from_client(SSL
*s
, CLIENTHELLO_MSG
*hello
,
2278 __owur TICKET_RETURN
tls_decrypt_ticket(SSL
*s
, const unsigned char *etick
,
2280 const unsigned char *sess_id
,
2281 size_t sesslen
, SSL_SESSION
**psess
);
2283 __owur
int tls_use_ticket(SSL
*s
);
2285 void ssl_set_sig_mask(uint32_t *pmask_a
, SSL
*s
, int op
);
2287 __owur
int tls1_set_sigalgs_list(CERT
*c
, const char *str
, int client
);
2288 __owur
int tls1_set_sigalgs(CERT
*c
, const int *salg
, size_t salglen
,
2290 int tls1_check_chain(SSL
*s
, X509
*x
, EVP_PKEY
*pk
, STACK_OF(X509
) *chain
,
2292 void tls1_set_cert_validity(SSL
*s
);
2294 # ifndef OPENSSL_NO_CT
2295 __owur
int ssl_validate_ct(SSL
*s
);
2298 # ifndef OPENSSL_NO_DH
2299 __owur DH
*ssl_get_auto_dh(SSL
*s
);
2302 __owur
int ssl_security_cert(SSL
*s
, SSL_CTX
*ctx
, X509
*x
, int vfy
, int is_ee
);
2303 __owur
int ssl_security_cert_chain(SSL
*s
, STACK_OF(X509
) *sk
, X509
*ex
,
2306 int tls_choose_sigalg(SSL
*s
, int *al
);
2308 __owur EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
, const EVP_MD
*md
);
2309 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
);
2310 __owur
long ssl_get_algorithm2(SSL
*s
);
2311 __owur
int tls12_copy_sigalgs(SSL
*s
, WPACKET
*pkt
,
2312 const uint16_t *psig
, size_t psiglen
);
2313 __owur
int tls1_save_sigalgs(SSL
*s
, PACKET
*pkt
);
2314 __owur
int tls1_process_sigalgs(SSL
*s
);
2315 __owur
int tls1_set_peer_legacy_sigalg(SSL
*s
, const EVP_PKEY
*pkey
);
2316 __owur
size_t tls12_get_psigalgs(SSL
*s
, int sent
, const uint16_t **psigs
);
2317 __owur
int tls12_check_peer_sigalg(SSL
*s
, uint16_t, EVP_PKEY
*pkey
);
2318 void ssl_set_client_disabled(SSL
*s
);
2319 __owur
int ssl_cipher_disabled(SSL
*s
, const SSL_CIPHER
*c
, int op
);
2321 __owur
int ssl_handshake_hash(SSL
*s
, unsigned char *out
, size_t outlen
,
2323 __owur
const EVP_MD
*ssl_md(int idx
);
2324 __owur
const EVP_MD
*ssl_handshake_md(SSL
*s
);
2325 __owur
const EVP_MD
*ssl_prf_md(SSL
*s
);
2328 * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated
2329 * with |ssl|, if logging is enabled. It returns one on success and zero on
2330 * failure. The entry is identified by the first 8 bytes of
2331 * |encrypted_premaster|.
2333 __owur
int ssl_log_rsa_client_key_exchange(SSL
*ssl
,
2334 const uint8_t *encrypted_premaster
,
2335 size_t encrypted_premaster_len
,
2336 const uint8_t *premaster
,
2337 size_t premaster_len
);
2340 * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if
2341 * logging is available. It returns one on success and zero on failure. It tags
2342 * the entry with |label|.
2344 __owur
int ssl_log_secret(SSL
*ssl
, const char *label
,
2345 const uint8_t *secret
, size_t secret_len
);
2347 #define MASTER_SECRET_LABEL "CLIENT_RANDOM"
2348 #define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET"
2349 #define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET"
2350 #define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0"
2351 #define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0"
2354 __owur
char ssl3_cbc_record_digest_supported(const EVP_MD_CTX
*ctx
);
2355 __owur
int ssl3_cbc_digest_record(const EVP_MD_CTX
*ctx
,
2356 unsigned char *md_out
,
2357 size_t *md_out_size
,
2358 const unsigned char header
[13],
2359 const unsigned char *data
,
2360 size_t data_plus_mac_size
,
2361 size_t data_plus_mac_plus_padding_size
,
2362 const unsigned char *mac_secret
,
2363 size_t mac_secret_length
, char is_sslv3
);
2365 __owur
int tls_fips_digest_extra(const EVP_CIPHER_CTX
*cipher_ctx
,
2366 EVP_MD_CTX
*mac_ctx
, const unsigned char *data
,
2367 size_t data_len
, size_t orig_len
);
2369 __owur
int srp_generate_server_master_secret(SSL
*s
);
2370 __owur
int srp_generate_client_master_secret(SSL
*s
);
2371 __owur
int srp_verify_server_param(SSL
*s
, int *al
);
2375 void custom_ext_init(custom_ext_methods
*meths
);
2377 __owur
int custom_ext_parse(SSL
*s
, int server
,
2378 unsigned int ext_type
,
2379 const unsigned char *ext_data
, size_t ext_size
,
2381 __owur
int custom_ext_add(SSL
*s
, int server
, WPACKET
*pkt
, int *al
);
2383 __owur
int custom_exts_copy(custom_ext_methods
*dst
,
2384 const custom_ext_methods
*src
);
2385 void custom_exts_free(custom_ext_methods
*exts
);
2387 void ssl_comp_free_compression_methods_int(void);
2389 # else /* OPENSSL_UNIT_TEST */
2391 # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
2392 # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers