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session-android/jni/openssl/ssl/ssl_locl.h
Moxie Marlinspike d83a3d71bc Support for Signal calls. 
Merge in RedPhone

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/* ssl/ssl_locl.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/* ====================================================================
* Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
* ECC cipher suite support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
/* ====================================================================
* Copyright 2005 Nokia. All rights reserved.
*
* The portions of the attached software ("Contribution") is developed by
* Nokia Corporation and is licensed pursuant to the OpenSSL open source
* license.
*
* The Contribution, originally written by Mika Kousa and Pasi Eronen of
* Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
* support (see RFC 4279) to OpenSSL.
*
* No patent licenses or other rights except those expressly stated in
* the OpenSSL open source license shall be deemed granted or received
* expressly, by implication, estoppel, or otherwise.
*
* No assurances are provided by Nokia that the Contribution does not
* infringe the patent or other intellectual property rights of any third
* party or that the license provides you with all the necessary rights
* to make use of the Contribution.
*
* THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
* ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
* SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
* OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
* OTHERWISE.
*/
#ifndef HEADER_SSL_LOCL_H
#define HEADER_SSL_LOCL_H
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <errno.h>
#include "e_os.h"
#include <openssl/buffer.h>
#ifndef OPENSSL_NO_COMP
#include <openssl/comp.h>
#endif
#include <openssl/bio.h>
#include <openssl/stack.h>
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif
#ifndef OPENSSL_NO_DSA
#include <openssl/dsa.h>
#endif
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <openssl/symhacks.h>
#ifdef OPENSSL_BUILD_SHLIBSSL
# undef OPENSSL_EXTERN
# define OPENSSL_EXTERN OPENSSL_EXPORT
#endif
#undef PKCS1_CHECK
#define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
l|=(((unsigned long)(*((c)++)))<< 8), \
l|=(((unsigned long)(*((c)++)))<<16), \
l|=(((unsigned long)(*((c)++)))<<24))
/* NOTE - c is not incremented as per c2l */
#define c2ln(c,l1,l2,n) { \
c+=n; \
l1=l2=0; \
switch (n) { \
case 8: l2 =((unsigned long)(*(--(c))))<<24; \
case 7: l2|=((unsigned long)(*(--(c))))<<16; \
case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
case 5: l2|=((unsigned long)(*(--(c)))); \
case 4: l1 =((unsigned long)(*(--(c))))<<24; \
case 3: l1|=((unsigned long)(*(--(c))))<<16; \
case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
case 1: l1|=((unsigned long)(*(--(c)))); \
} \
}
#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
*((c)++)=(unsigned char)(((l)>>24)&0xff))
#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
l|=((unsigned long)(*((c)++)))<<16, \
l|=((unsigned long)(*((c)++)))<< 8, \
l|=((unsigned long)(*((c)++))))
#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
*((c)++)=(unsigned char)(((l) )&0xff))
#define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
*((c)++)=(unsigned char)(((l)>>32)&0xff), \
*((c)++)=(unsigned char)(((l)>>24)&0xff), \
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
*((c)++)=(unsigned char)(((l) )&0xff))
#define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \
*((c)++)=(unsigned char)(((l)>>48)&0xff), \
*((c)++)=(unsigned char)(((l)>>40)&0xff), \
*((c)++)=(unsigned char)(((l)>>32)&0xff), \
*((c)++)=(unsigned char)(((l)>>24)&0xff), \
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
*((c)++)=(unsigned char)(((l) )&0xff))
#define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \
l|=((BN_ULLONG)(*((c)++)))<<32, \
l|=((BN_ULLONG)(*((c)++)))<<24, \
l|=((BN_ULLONG)(*((c)++)))<<16, \
l|=((BN_ULLONG)(*((c)++)))<< 8, \
l|=((BN_ULLONG)(*((c)++))))
/* NOTE - c is not incremented as per l2c */
#define l2cn(l1,l2,c,n) { \
c+=n; \
switch (n) { \
case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
} \
}
#define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \
(((unsigned int)(c[1])) )),c+=2)
#define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
c[1]=(unsigned char)(((s) )&0xff)),c+=2)
#define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \
(((unsigned long)(c[1]))<< 8)| \
(((unsigned long)(c[2])) )),c+=3)
#define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
c[1]=(unsigned char)(((l)>> 8)&0xff), \
c[2]=(unsigned char)(((l) )&0xff)),c+=3)
/* LOCAL STUFF */
#define SSL_DECRYPT 0
#define SSL_ENCRYPT 1
#define TWO_BYTE_BIT 0x80
#define SEC_ESC_BIT 0x40
#define TWO_BYTE_MASK 0x7fff
#define THREE_BYTE_MASK 0x3fff
#define INC32(a) ((a)=((a)+1)&0xffffffffL)
#define DEC32(a) ((a)=((a)-1)&0xffffffffL)
#define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
/*
* Define the Bitmasks for SSL_CIPHER.algorithms.
* This bits are used packed as dense as possible. If new methods/ciphers
* etc will be added, the bits a likely to change, so this information
* is for internal library use only, even though SSL_CIPHER.algorithms
* can be publicly accessed.
* Use the according functions for cipher management instead.
*
* The bit mask handling in the selection and sorting scheme in
* ssl_create_cipher_list() has only limited capabilities, reflecting
* that the different entities within are mutually exclusive:
* ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
*/
/* Bits for algorithm_mkey (key exchange algorithm) */
#define SSL_kRSA 0x00000001L /* RSA key exchange */
#define SSL_kDHr 0x00000002L /* DH cert, RSA CA cert */ /* no such ciphersuites supported! */
#define SSL_kDHd 0x00000004L /* DH cert, DSA CA cert */ /* no such ciphersuite supported! */
#define SSL_kEDH 0x00000008L /* tmp DH key no DH cert */
#define SSL_kKRB5 0x00000010L /* Kerberos5 key exchange */
#define SSL_kECDHr 0x00000020L /* ECDH cert, RSA CA cert */
#define SSL_kECDHe 0x00000040L /* ECDH cert, ECDSA CA cert */
#define SSL_kEECDH 0x00000080L /* ephemeral ECDH */
#define SSL_kPSK 0x00000100L /* PSK */
#define SSL_kGOST 0x00000200L /* GOST key exchange */
#define SSL_kSRP 0x00000400L /* SRP */
/* Bits for algorithm_auth (server authentication) */
#define SSL_aRSA 0x00000001L /* RSA auth */
#define SSL_aDSS 0x00000002L /* DSS auth */
#define SSL_aNULL 0x00000004L /* no auth (i.e. use ADH or AECDH) */
#define SSL_aDH 0x00000008L /* Fixed DH auth (kDHd or kDHr) */ /* no such ciphersuites supported! */
#define SSL_aECDH 0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */
#define SSL_aKRB5 0x00000020L /* KRB5 auth */
#define SSL_aECDSA 0x00000040L /* ECDSA auth*/
#define SSL_aPSK 0x00000080L /* PSK auth */
#define SSL_aGOST94 0x00000100L /* GOST R 34.10-94 signature auth */
#define SSL_aGOST01 0x00000200L /* GOST R 34.10-2001 signature auth */
/* Bits for algorithm_enc (symmetric encryption) */
#define SSL_DES 0x00000001L
#define SSL_3DES 0x00000002L
#define SSL_RC4 0x00000004L
#define SSL_RC2 0x00000008L
#define SSL_IDEA 0x00000010L
#define SSL_eNULL 0x00000020L
#define SSL_AES128 0x00000040L
#define SSL_AES256 0x00000080L
#define SSL_CAMELLIA128 0x00000100L
#define SSL_CAMELLIA256 0x00000200L
#define SSL_eGOST2814789CNT 0x00000400L
#define SSL_SEED 0x00000800L
#define SSL_AES128GCM 0x00001000L
#define SSL_AES256GCM 0x00002000L
#define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM)
#define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
/* Bits for algorithm_mac (symmetric authentication) */
#define SSL_MD5 0x00000001L
#define SSL_SHA1 0x00000002L
#define SSL_GOST94 0x00000004L
#define SSL_GOST89MAC 0x00000008L
#define SSL_SHA256 0x00000010L
#define SSL_SHA384 0x00000020L
/* Not a real MAC, just an indication it is part of cipher */
#define SSL_AEAD 0x00000040L
/* Bits for algorithm_ssl (protocol version) */
#define SSL_SSLV2 0x00000001L
#define SSL_SSLV3 0x00000002L
#define SSL_TLSV1 SSL_SSLV3 /* for now */
#define SSL_TLSV1_2 0x00000004L
/* Bits for algorithm2 (handshake digests and other extra flags) */
#define SSL_HANDSHAKE_MAC_MD5 0x10
#define SSL_HANDSHAKE_MAC_SHA 0x20
#define SSL_HANDSHAKE_MAC_GOST94 0x40
#define SSL_HANDSHAKE_MAC_SHA256 0x80
#define SSL_HANDSHAKE_MAC_SHA384 0x100
#define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA)
/* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX
* make sure to update this constant too */
#define SSL_MAX_DIGEST 6
#define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT)
#define TLS1_PRF_DGST_SHIFT 10
#define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT)
#define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT)
#define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT)
#define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT)
#define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT)
#define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1)
/* Stream MAC for GOST ciphersuites from cryptopro draft
* (currently this also goes into algorithm2) */
#define TLS1_STREAM_MAC 0x04
#define TLSEXT_CHANNEL_ID_SIZE 128
/*
* Export and cipher strength information. For each cipher we have to decide
* whether it is exportable or not. This information is likely to change
* over time, since the export control rules are no static technical issue.
*
* Independent of the export flag the cipher strength is sorted into classes.
* SSL_EXP40 was denoting the 40bit US export limit of past times, which now
* is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
* again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
* since SSL_EXP64 could be similar to SSL_LOW.
* For this reason SSL_MICRO and SSL_MINI macros are included to widen the
* namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
* and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
* be possible.
*/
#define SSL_EXP_MASK 0x00000003L
#define SSL_STRONG_MASK 0x000001fcL
#define SSL_NOT_EXP 0x00000001L
#define SSL_EXPORT 0x00000002L
#define SSL_STRONG_NONE 0x00000004L
#define SSL_EXP40 0x00000008L
#define SSL_MICRO (SSL_EXP40)
#define SSL_EXP56 0x00000010L
#define SSL_MINI (SSL_EXP56)
#define SSL_LOW 0x00000020L
#define SSL_MEDIUM 0x00000040L
#define SSL_HIGH 0x00000080L
#define SSL_FIPS 0x00000100L
/* we have used 000001ff - 23 bits left to go */
/*
* Macros to check the export status and cipher strength for export ciphers.
* Even though the macros for EXPORT and EXPORT40/56 have similar names,
* their meaning is different:
* *_EXPORT macros check the 'exportable' status.
* *_EXPORT40/56 macros are used to check whether a certain cipher strength
* is given.
* Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
* algorithm structure element to be passed (algorithms, algo_strength) and no
* typechecking can be done as they are all of type unsigned long, their
* direct usage is discouraged.
* Use the SSL_C_* macros instead.
*/
#define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
#define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
#define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
#define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
#define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
#define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
#define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
(a) == SSL_DES ? 8 : 7)
#define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
#define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
(c)->algo_strength)
#define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
/* Mostly for SSLv3 */
#define SSL_PKEY_RSA_ENC 0
#define SSL_PKEY_RSA_SIGN 1
#define SSL_PKEY_DSA_SIGN 2
#define SSL_PKEY_DH_RSA 3
#define SSL_PKEY_DH_DSA 4
#define SSL_PKEY_ECC 5
#define SSL_PKEY_GOST94 6
#define SSL_PKEY_GOST01 7
#define SSL_PKEY_NUM 8
/* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
* <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
* SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
* SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
* SSL_aRSA <- RSA_ENC | RSA_SIGN
* SSL_aDSS <- DSA_SIGN
*/
/*
#define CERT_INVALID 0
#define CERT_PUBLIC_KEY 1
#define CERT_PRIVATE_KEY 2
*/
#ifndef OPENSSL_NO_EC
/* From ECC-TLS draft, used in encoding the curve type in
* ECParameters
*/
#define EXPLICIT_PRIME_CURVE_TYPE 1
#define EXPLICIT_CHAR2_CURVE_TYPE 2
#define NAMED_CURVE_TYPE 3
#endif /* OPENSSL_NO_EC */
typedef struct cert_pkey_st
{
X509 *x509;
STACK_OF(X509) *cert_chain;
EVP_PKEY *privatekey;
} CERT_PKEY;
typedef struct cert_st
{
/* Current active set */
CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
* Probably it would make more sense to store
* an index, not a pointer. */
/* The following masks are for the key and auth
* algorithms that are supported by the certs below */
int valid;
unsigned long mask_k;
unsigned long mask_a;
unsigned long export_mask_k;
unsigned long export_mask_a;
#ifndef OPENSSL_NO_RSA
RSA *rsa_tmp;
RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
#endif
#ifndef OPENSSL_NO_DH
DH *dh_tmp;
DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
#endif
#ifndef OPENSSL_NO_ECDH
EC_KEY *ecdh_tmp;
/* Callback for generating ephemeral ECDH keys */
EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
#endif
CERT_PKEY pkeys[SSL_PKEY_NUM];
int references; /* >1 only if SSL_copy_session_id is used */
} CERT;
typedef struct sess_cert_st
{
STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
/* The 'peer_...' members are used only by clients. */
int peer_cert_type;
CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
/* Obviously we don't have the private keys of these,
* so maybe we shouldn't even use the CERT_PKEY type here. */
#ifndef OPENSSL_NO_RSA
RSA *peer_rsa_tmp; /* not used for SSL 2 */
#endif
#ifndef OPENSSL_NO_DH
DH *peer_dh_tmp; /* not used for SSL 2 */
#endif
#ifndef OPENSSL_NO_ECDH
EC_KEY *peer_ecdh_tmp;
#endif
int references; /* actually always 1 at the moment */
} SESS_CERT;
/*#define MAC_DEBUG */
/*#define ERR_DEBUG */
/*#define ABORT_DEBUG */
/*#define PKT_DEBUG 1 */
/*#define DES_DEBUG */
/*#define DES_OFB_DEBUG */
/*#define SSL_DEBUG */
/*#define RSA_DEBUG */
/*#define IDEA_DEBUG */
#define FP_ICC (int (*)(const void *,const void *))
#define ssl_put_cipher_by_char(ssl,ciph,ptr) \
((ssl)->method->put_cipher_by_char((ciph),(ptr)))
#define ssl_get_cipher_by_char(ssl,ptr) \
((ssl)->method->get_cipher_by_char(ptr))
/* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
* It is a bit of a mess of functions, but hell, think of it as
* an opaque structure :-) */
typedef struct ssl3_enc_method
{
int (*enc)(SSL *, int);
int (*mac)(SSL *, unsigned char *, int);
int (*setup_key_block)(SSL *);
int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
int (*change_cipher_state)(SSL *, int);
int (*final_finish_mac)(SSL *, const char *, int, unsigned char *);
int finish_mac_length;
int (*cert_verify_mac)(SSL *, int, unsigned char *);
const char *client_finished_label;
int client_finished_label_len;
const char *server_finished_label;
int server_finished_label_len;
int (*alert_value)(int);
int (*export_keying_material)(SSL *, unsigned char *, size_t,
const char *, size_t,
const unsigned char *, size_t,
int use_context);
} SSL3_ENC_METHOD;
#ifndef OPENSSL_NO_COMP
/* Used for holding the relevant compression methods loaded into SSL_CTX */
typedef struct ssl3_comp_st
{
int comp_id; /* The identifier byte for this compression type */
char *name; /* Text name used for the compression type */
COMP_METHOD *method; /* The method :-) */
} SSL3_COMP;
#endif
#ifndef OPENSSL_NO_BUF_FREELISTS
typedef struct ssl3_buf_freelist_st
{
size_t chunklen;
unsigned int len;
struct ssl3_buf_freelist_entry_st *head;
} SSL3_BUF_FREELIST;
typedef struct ssl3_buf_freelist_entry_st
{
struct ssl3_buf_freelist_entry_st *next;
} SSL3_BUF_FREELIST_ENTRY;
#endif
extern SSL3_ENC_METHOD ssl3_undef_enc_method;
OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[];
OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
SSL_METHOD *ssl_bad_method(int ver);
extern SSL3_ENC_METHOD TLSv1_enc_data;
extern SSL3_ENC_METHOD SSLv3_enc_data;
extern SSL3_ENC_METHOD DTLSv1_enc_data;
#define SSL_IS_DTLS(s) (s->method->version == DTLS1_VERSION)
#define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
s_get_meth) \
const SSL_METHOD *func_name(void) \
{ \
static const SSL_METHOD func_name##_data= { \
version, \
tls1_new, \
tls1_clear, \
tls1_free, \
s_accept, \
s_connect, \
ssl3_read, \
ssl3_peek, \
ssl3_write, \
ssl3_shutdown, \
ssl3_renegotiate, \
ssl3_renegotiate_check, \
ssl3_get_message, \
ssl3_read_bytes, \
ssl3_write_bytes, \
ssl3_dispatch_alert, \
ssl3_ctrl, \
ssl3_ctx_ctrl, \
ssl3_get_cipher_by_char, \
ssl3_put_cipher_by_char, \
ssl3_pending, \
ssl3_num_ciphers, \
ssl3_get_cipher, \
s_get_meth, \
tls1_default_timeout, \
&TLSv1_enc_data, \
ssl_undefined_void_function, \
ssl3_callback_ctrl, \
ssl3_ctx_callback_ctrl, \
}; \
return &func_name##_data; \
}
#define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
const SSL_METHOD *func_name(void) \
{ \
static const SSL_METHOD func_name##_data= { \
SSL3_VERSION, \
ssl3_new, \
ssl3_clear, \
ssl3_free, \
s_accept, \
s_connect, \
ssl3_read, \
ssl3_peek, \
ssl3_write, \
ssl3_shutdown, \
ssl3_renegotiate, \
ssl3_renegotiate_check, \
ssl3_get_message, \
ssl3_read_bytes, \
ssl3_write_bytes, \
ssl3_dispatch_alert, \
ssl3_ctrl, \
ssl3_ctx_ctrl, \
ssl3_get_cipher_by_char, \
ssl3_put_cipher_by_char, \
ssl3_pending, \
ssl3_num_ciphers, \
ssl3_get_cipher, \
s_get_meth, \
ssl3_default_timeout, \
&SSLv3_enc_data, \
ssl_undefined_void_function, \
ssl3_callback_ctrl, \
ssl3_ctx_callback_ctrl, \
}; \
return &func_name##_data; \
}
#define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
const SSL_METHOD *func_name(void) \
{ \
static const SSL_METHOD func_name##_data= { \
TLS1_2_VERSION, \
tls1_new, \
tls1_clear, \
tls1_free, \
s_accept, \
s_connect, \
ssl23_read, \
ssl23_peek, \
ssl23_write, \
ssl_undefined_function, \
ssl_undefined_function, \
ssl_ok, \
ssl3_get_message, \
ssl3_read_bytes, \
ssl3_write_bytes, \
ssl3_dispatch_alert, \
ssl3_ctrl, \
ssl3_ctx_ctrl, \
ssl23_get_cipher_by_char, \
ssl23_put_cipher_by_char, \
ssl_undefined_const_function, \
ssl23_num_ciphers, \
ssl23_get_cipher, \
s_get_meth, \
ssl23_default_timeout, \
&ssl3_undef_enc_method, \
ssl_undefined_void_function, \
ssl3_callback_ctrl, \
ssl3_ctx_callback_ctrl, \
}; \
return &func_name##_data; \
}
#define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
const SSL_METHOD *func_name(void) \
{ \
static const SSL_METHOD func_name##_data= { \
SSL2_VERSION, \
ssl2_new, /* local */ \
ssl2_clear, /* local */ \
ssl2_free, /* local */ \
s_accept, \
s_connect, \
ssl2_read, \
ssl2_peek, \
ssl2_write, \
ssl2_shutdown, \
ssl_ok, /* NULL - renegotiate */ \
ssl_ok, /* NULL - check renegotiate */ \
NULL, /* NULL - ssl_get_message */ \
NULL, /* NULL - ssl_get_record */ \
NULL, /* NULL - ssl_write_bytes */ \
NULL, /* NULL - dispatch_alert */ \
ssl2_ctrl, /* local */ \
ssl2_ctx_ctrl, /* local */ \
ssl2_get_cipher_by_char, \
ssl2_put_cipher_by_char, \
ssl2_pending, \
ssl2_num_ciphers, \
ssl2_get_cipher, \
s_get_meth, \
ssl2_default_timeout, \
&ssl3_undef_enc_method, \
ssl_undefined_void_function, \
ssl2_callback_ctrl, /* local */ \
ssl2_ctx_callback_ctrl, /* local */ \
}; \
return &func_name##_data; \
}
#define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
const SSL_METHOD *func_name(void) \
{ \
static const SSL_METHOD func_name##_data= { \
DTLS1_VERSION, \
dtls1_new, \
dtls1_clear, \
dtls1_free, \
s_accept, \
s_connect, \
ssl3_read, \
ssl3_peek, \
ssl3_write, \
dtls1_shutdown, \
ssl3_renegotiate, \
ssl3_renegotiate_check, \
dtls1_get_message, \
dtls1_read_bytes, \
dtls1_write_app_data_bytes, \
dtls1_dispatch_alert, \
dtls1_ctrl, \
ssl3_ctx_ctrl, \
ssl3_get_cipher_by_char, \
ssl3_put_cipher_by_char, \
ssl3_pending, \
ssl3_num_ciphers, \
dtls1_get_cipher, \
s_get_meth, \
dtls1_default_timeout, \
&DTLSv1_enc_data, \
ssl_undefined_void_function, \
ssl3_callback_ctrl, \
ssl3_ctx_callback_ctrl, \
}; \
return &func_name##_data; \
}
void ssl_clear_cipher_ctx(SSL *s);
int ssl_clear_bad_session(SSL *s);
CERT *ssl_cert_new(void);
CERT *ssl_cert_dup(CERT *cert);
int ssl_cert_inst(CERT **o);
void ssl_cert_free(CERT *c);
SESS_CERT *ssl_sess_cert_new(void);
void ssl_sess_cert_free(SESS_CERT *sc);
int ssl_set_peer_cert_type(SESS_CERT *c, int type);
int ssl_get_new_session(SSL *s, int session);
int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit);
int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
ssl_cipher_id);
int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
const SSL_CIPHER * const *bp);
STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
STACK_OF(SSL_CIPHER) **skp);
int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
int (*put_cb)(const SSL_CIPHER *, unsigned char *));
STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
STACK_OF(SSL_CIPHER) **pref,
STACK_OF(SSL_CIPHER) **sorted,
const char *rule_str);
void ssl_update_cache(SSL *s, int mode);
int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp);
int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md);
int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
int ssl_undefined_function(SSL *s);
int ssl_undefined_void_function(void);
int ssl_undefined_const_function(const SSL *s);
CERT_PKEY *ssl_get_server_send_pkey(const SSL *s);
X509 *ssl_get_server_send_cert(const SSL *);
EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd);
int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher);
STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
int ssl_verify_alarm_type(long type);
void ssl_load_ciphers(void);
int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len);
int ssl2_enc_init(SSL *s, int client);
int ssl2_generate_key_material(SSL *s);
void ssl2_enc(SSL *s,int send_data);
void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
int ssl2_part_read(SSL *s, unsigned long f, int i);
int ssl2_do_write(SSL *s);
int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data);
void ssl2_return_error(SSL *s,int reason);
void ssl2_write_error(SSL *s);
int ssl2_num_ciphers(void);
const SSL_CIPHER *ssl2_get_cipher(unsigned int u);
int ssl2_new(SSL *s);
void ssl2_free(SSL *s);
int ssl2_accept(SSL *s);
int ssl2_connect(SSL *s);
int ssl2_read(SSL *s, void *buf, int len);
int ssl2_peek(SSL *s, void *buf, int len);
int ssl2_write(SSL *s, const void *buf, int len);
int ssl2_shutdown(SSL *s);
void ssl2_clear(SSL *s);
long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
int ssl2_pending(const SSL *s);
long ssl2_default_timeout(void );
const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
void ssl3_init_finished_mac(SSL *s);
int ssl3_send_server_certificate(SSL *s);
int ssl3_send_newsession_ticket(SSL *s);
int ssl3_send_cert_status(SSL *s);
int ssl3_get_finished(SSL *s,int state_a,int state_b);
int ssl3_setup_key_block(SSL *s);
int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
int ssl3_change_cipher_state(SSL *s,int which);
void ssl3_cleanup_key_block(SSL *s);
int ssl3_do_write(SSL *s,int type);
int ssl3_send_alert(SSL *s,int level, int desc);
int ssl3_generate_master_secret(SSL *s, unsigned char *out,
unsigned char *p, int len);
int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
int ssl3_num_ciphers(void);
const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
int ssl3_renegotiate(SSL *ssl);
int ssl3_renegotiate_check(SSL *ssl);
int ssl3_dispatch_alert(SSL *s);
int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p);
int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
int ssl3_enc(SSL *s, int send_data);
int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
void ssl3_free_digest_list(SSL *s);
unsigned long ssl3_output_cert_chain(SSL *s, X509 *x);
SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
STACK_OF(SSL_CIPHER) *srvr);
int ssl3_setup_buffers(SSL *s);
int ssl3_setup_read_buffer(SSL *s);
int ssl3_setup_write_buffer(SSL *s);
int ssl3_release_read_buffer(SSL *s);
int ssl3_release_write_buffer(SSL *s);
int ssl3_digest_cached_records(SSL *s);
int ssl3_new(SSL *s);
void ssl3_free(SSL *s);
int ssl3_accept(SSL *s);
int ssl3_connect(SSL *s);
int ssl3_read(SSL *s, void *buf, int len);
int ssl3_peek(SSL *s, void *buf, int len);
int ssl3_write(SSL *s, const void *buf, int len);
int ssl3_shutdown(SSL *s);
void ssl3_clear(SSL *s);
long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
int ssl3_pending(const SSL *s);
void ssl3_record_sequence_update(unsigned char *seq);
int ssl3_do_change_cipher_spec(SSL *ssl);
long ssl3_default_timeout(void );
int ssl23_num_ciphers(void );
const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
int ssl23_read(SSL *s, void *buf, int len);
int ssl23_peek(SSL *s, void *buf, int len);
int ssl23_write(SSL *s, const void *buf, int len);
int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
long ssl23_default_timeout(void );
long tls1_default_timeout(void);
int dtls1_do_write(SSL *s,int type);
int ssl3_read_n(SSL *s, int n, int max, int extend);
int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
int ssl3_do_compress(SSL *ssl);
int ssl3_do_uncompress(SSL *ssl);
int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
unsigned int len);
unsigned char *dtls1_set_message_header(SSL *s,
unsigned char *p, unsigned char mt, unsigned long len,
unsigned long frag_off, unsigned long frag_len);
int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
unsigned long dtls1_output_cert_chain(SSL *s, X509 *x);
int dtls1_read_failed(SSL *s, int code);
int dtls1_buffer_message(SSL *s, int ccs);
int dtls1_retransmit_message(SSL *s, unsigned short seq,
unsigned long frag_off, int *found);
int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
int dtls1_retransmit_buffered_messages(SSL *s);
void dtls1_clear_record_buffer(SSL *s);
void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
void dtls1_reset_seq_numbers(SSL *s, int rw);
long dtls1_default_timeout(void);
struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft);
int dtls1_check_timeout_num(SSL *s);
int dtls1_handle_timeout(SSL *s);
const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
void dtls1_start_timer(SSL *s);
void dtls1_stop_timer(SSL *s);
int dtls1_is_timer_expired(SSL *s);
void dtls1_double_timeout(SSL *s);
int dtls1_send_newsession_ticket(SSL *s);
unsigned int dtls1_min_mtu(void);
/* some client-only functions */
int ssl3_client_hello(SSL *s);
int ssl3_get_server_hello(SSL *s);
int ssl3_get_certificate_request(SSL *s);
int ssl3_get_new_session_ticket(SSL *s);
int ssl3_get_cert_status(SSL *s);
int ssl3_get_server_done(SSL *s);
int ssl3_send_client_verify(SSL *s);
int ssl3_send_client_certificate(SSL *s);
int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
int ssl3_send_client_key_exchange(SSL *s);
int ssl3_get_key_exchange(SSL *s);
int ssl3_get_server_certificate(SSL *s);
int ssl3_check_cert_and_algorithm(SSL *s);
#ifndef OPENSSL_NO_TLSEXT
int ssl3_check_finished(SSL *s);
# ifndef OPENSSL_NO_NEXTPROTONEG
int ssl3_send_next_proto(SSL *s);
int ssl3_send_channel_id(SSL *s);
# endif
#endif
int dtls1_client_hello(SSL *s);
int dtls1_send_client_certificate(SSL *s);
int dtls1_send_client_key_exchange(SSL *s);
int dtls1_send_client_verify(SSL *s);
/* some server-only functions */
int ssl3_get_client_hello(SSL *s);
int ssl3_send_server_hello(SSL *s);
int ssl3_send_hello_request(SSL *s);
int ssl3_send_server_key_exchange(SSL *s);
int ssl3_send_certificate_request(SSL *s);
int ssl3_send_server_done(SSL *s);
int ssl3_check_client_hello(SSL *s);
int ssl3_get_client_certificate(SSL *s);
int ssl3_get_client_key_exchange(SSL *s);
int ssl3_get_cert_verify(SSL *s);
#ifndef OPENSSL_NO_NEXTPROTONEG
int ssl3_get_next_proto(SSL *s);
#endif
int ssl3_get_channel_id(SSL *s);
int dtls1_send_hello_request(SSL *s);
int dtls1_send_server_hello(SSL *s);
int dtls1_send_server_certificate(SSL *s);
int dtls1_send_server_key_exchange(SSL *s);
int dtls1_send_certificate_request(SSL *s);
int dtls1_send_server_done(SSL *s);
int ssl23_accept(SSL *s);
int ssl23_connect(SSL *s);
int ssl23_read_bytes(SSL *s, int n);
int ssl23_write_bytes(SSL *s);
int tls1_new(SSL *s);
void tls1_free(SSL *s);
void tls1_clear(SSL *s);
long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
int dtls1_new(SSL *s);
int dtls1_accept(SSL *s);
int dtls1_connect(SSL *s);
void dtls1_free(SSL *s);
void dtls1_clear(SSL *s);
long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg);
int dtls1_shutdown(SSL *s);
long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
int dtls1_get_record(SSL *s);
int dtls1_dispatch_alert(SSL *s);
int dtls1_enc(SSL *s, int snd);
int ssl_init_wbio_buffer(SSL *s, int push);
void ssl_free_wbio_buffer(SSL *s);
int tls1_change_cipher_state(SSL *s, int which);
int tls1_setup_key_block(SSL *s);
int tls1_enc(SSL *s, int snd);
int tls1_handshake_digest(SSL *s, unsigned char *out, size_t out_len);
int tls1_final_finish_mac(SSL *s,
const char *str, int slen, unsigned char *p);
int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
int tls1_mac(SSL *ssl, unsigned char *md, int snd);
int tls1_generate_master_secret(SSL *s, unsigned char *out,
unsigned char *p, int len);
int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
const char *label, size_t llen,
const unsigned char *p, size_t plen, int use_context);
int tls1_alert_code(int code);
int ssl3_alert_code(int code);
int ssl_ok(SSL *s);
#ifndef OPENSSL_NO_ECDH
int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
#endif
SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
#ifndef OPENSSL_NO_EC
int tls1_ec_curve_id2nid(int curve_id);
int tls1_ec_nid2curve_id(int nid);
#endif /* OPENSSL_NO_EC */
#ifndef OPENSSL_NO_TLSEXT
unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
int ssl_prepare_clienthello_tlsext(SSL *s);
int ssl_prepare_serverhello_tlsext(SSL *s);
int ssl_check_clienthello_tlsext_early(SSL *s);
int ssl_check_clienthello_tlsext_late(SSL *s);
int ssl_check_serverhello_tlsext(SSL *s);
#ifndef OPENSSL_NO_HEARTBEATS
int tls1_heartbeat(SSL *s);
int dtls1_heartbeat(SSL *s);
int tls1_process_heartbeat(SSL *s);
int dtls1_process_heartbeat(SSL *s);
#endif
#ifdef OPENSSL_NO_SHA256
#define tlsext_tick_md EVP_sha1
#else
#define tlsext_tick_md EVP_sha256
#endif
int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
const unsigned char *limit, SSL_SESSION **ret);
int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
const EVP_MD *md);
int tls12_get_sigid(const EVP_PKEY *pk);
const EVP_MD *tls12_get_hash(unsigned char hash_alg);
int tls1_channel_id_hash(EVP_MD_CTX *ctx, SSL *s);
int tls1_record_handshake_hashes_for_channel_id(SSL *s);
#endif
int ssl3_can_cutthrough(const SSL *s);
EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ;
void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
int maxlen);
int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
int *al);
int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
int maxlen);
int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
int *al);
long ssl_get_algorithm2(SSL *s);
void tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize);
int tls12_get_req_sig_algs(SSL *s, unsigned char *p);
int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen);
int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al);
/* s3_cbc.c */
void ssl3_cbc_copy_mac(unsigned char* out,
const SSL3_RECORD *rec,
unsigned md_size,unsigned orig_len);
int ssl3_cbc_remove_padding(const SSL* s,
SSL3_RECORD *rec,
unsigned block_size,
unsigned mac_size);
int tls1_cbc_remove_padding(const SSL* s,
SSL3_RECORD *rec,
unsigned block_size,
unsigned mac_size);
char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
void ssl3_cbc_digest_record(
const EVP_MD_CTX *ctx,
unsigned char* md_out,
size_t* md_out_size,
const unsigned char header[13],
const unsigned char *data,
size_t data_plus_mac_size,
size_t data_plus_mac_plus_padding_size,
const unsigned char *mac_secret,
unsigned mac_secret_length,
char is_sslv3);
void tls_fips_digest_extra(
const EVP_CIPHER_CTX *cipher_ctx, EVP_MD_CTX *mac_ctx,
const unsigned char *data, size_t data_len, size_t orig_len);
#endif
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