1998-12-21 18:56:39 +08:00
|
|
|
/* 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.
|
2015-01-22 11:40:55 +08:00
|
|
|
*
|
1998-12-21 18:56:39 +08:00
|
|
|
* 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).
|
2015-01-22 11:40:55 +08:00
|
|
|
*
|
1998-12-21 18:56:39 +08:00
|
|
|
* 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.
|
2015-01-22 11:40:55 +08:00
|
|
|
*
|
1998-12-21 18:56:39 +08:00
|
|
|
* 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 :-).
|
2015-01-22 11:40:55 +08:00
|
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
1998-12-21 18:56:39 +08:00
|
|
|
* the apps directory (application code) you must include an acknowledgement:
|
|
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
2015-01-22 11:40:55 +08:00
|
|
|
*
|
1998-12-21 18:56:39 +08:00
|
|
|
* 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.
|
2015-01-22 11:40:55 +08:00
|
|
|
*
|
1998-12-21 18:56:39 +08:00
|
|
|
* 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.]
|
|
|
|
*/
|
2002-04-14 06:47:20 +08:00
|
|
|
/* ====================================================================
|
2007-02-17 14:45:38 +08:00
|
|
|
* Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
|
2002-04-14 06:47:20 +08:00
|
|
|
*
|
|
|
|
* 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
|
2015-01-22 11:40:55 +08:00
|
|
|
* notice, this list of conditions and the following disclaimer.
|
2002-04-14 06:47:20 +08:00
|
|
|
*
|
|
|
|
* 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).
|
|
|
|
*
|
|
|
|
*/
|
2006-03-11 07:06:27 +08:00
|
|
|
/* ====================================================================
|
|
|
|
* 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.
|
|
|
|
*/
|
1998-12-21 18:56:39 +08:00
|
|
|
|
|
|
|
#include <stdio.h>
|
2002-07-10 15:01:54 +08:00
|
|
|
#include "ssl_locl.h"
|
2009-01-05 22:43:05 +08:00
|
|
|
#ifndef OPENSSL_NO_COMP
|
2015-01-22 11:40:55 +08:00
|
|
|
# include <openssl/comp.h>
|
2009-01-05 22:43:05 +08:00
|
|
|
#endif
|
1999-04-24 06:13:45 +08:00
|
|
|
#include <openssl/evp.h>
|
2016-01-19 21:58:51 +08:00
|
|
|
#include <openssl/kdf.h>
|
2009-12-07 21:31:02 +08:00
|
|
|
#include <openssl/rand.h>
|
1998-12-21 18:56:39 +08:00
|
|
|
|
2016-01-19 21:58:51 +08:00
|
|
|
/* seed1 through seed5 are concatenated */
|
2015-11-26 02:20:50 +08:00
|
|
|
static int tls1_PRF(SSL *s,
|
2015-01-22 11:40:55 +08:00
|
|
|
const void *seed1, int seed1_len,
|
|
|
|
const void *seed2, int seed2_len,
|
|
|
|
const void *seed3, int seed3_len,
|
|
|
|
const void *seed4, int seed4_len,
|
|
|
|
const void *seed5, int seed5_len,
|
|
|
|
const unsigned char *sec, int slen,
|
2016-01-19 21:58:51 +08:00
|
|
|
unsigned char *out, int olen)
|
2015-01-22 11:40:55 +08:00
|
|
|
{
|
2015-11-26 02:20:50 +08:00
|
|
|
const EVP_MD *md = ssl_prf_md(s);
|
2016-01-19 21:58:51 +08:00
|
|
|
EVP_PKEY_CTX *pctx = NULL;
|
|
|
|
|
|
|
|
int ret = 0;
|
|
|
|
size_t outlen = olen;
|
2015-01-22 11:40:55 +08:00
|
|
|
|
2015-11-26 02:20:50 +08:00
|
|
|
if (md == NULL) {
|
2015-03-12 22:37:26 +08:00
|
|
|
/* Should never happen */
|
|
|
|
SSLerr(SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR);
|
2015-11-26 02:20:50 +08:00
|
|
|
return 0;
|
2015-03-12 22:37:26 +08:00
|
|
|
}
|
2016-01-19 21:58:51 +08:00
|
|
|
pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_TLS1_PRF, NULL);
|
|
|
|
if (pctx == NULL || EVP_PKEY_derive_init(pctx) <= 0
|
|
|
|
|| EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) <= 0
|
|
|
|
|| EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, slen) <= 0)
|
|
|
|
goto err;
|
2015-11-26 02:20:50 +08:00
|
|
|
|
2016-01-19 21:58:51 +08:00
|
|
|
if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed1, seed1_len) <= 0)
|
|
|
|
goto err;
|
|
|
|
if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed2, seed2_len) <= 0)
|
|
|
|
goto err;
|
|
|
|
if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed3, seed3_len) <= 0)
|
|
|
|
goto err;
|
|
|
|
if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed4, seed4_len) <= 0)
|
|
|
|
goto err;
|
|
|
|
if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed5, seed5_len) <= 0)
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
if (EVP_PKEY_derive(pctx, out, &outlen) <= 0)
|
|
|
|
goto err;
|
|
|
|
ret = 1;
|
|
|
|
|
|
|
|
err:
|
|
|
|
EVP_PKEY_CTX_free(pctx);
|
|
|
|
return ret;
|
2007-08-31 20:42:53 +08:00
|
|
|
}
|
2015-01-22 11:40:55 +08:00
|
|
|
|
2016-01-19 21:58:51 +08:00
|
|
|
static int tls1_generate_key_block(SSL *s, unsigned char *km, int num)
|
2015-01-22 11:40:55 +08:00
|
|
|
{
|
|
|
|
int ret;
|
2015-11-26 02:20:50 +08:00
|
|
|
ret = tls1_PRF(s,
|
2015-01-22 11:40:55 +08:00
|
|
|
TLS_MD_KEY_EXPANSION_CONST,
|
|
|
|
TLS_MD_KEY_EXPANSION_CONST_SIZE, s->s3->server_random,
|
|
|
|
SSL3_RANDOM_SIZE, s->s3->client_random, SSL3_RANDOM_SIZE,
|
|
|
|
NULL, 0, NULL, 0, s->session->master_key,
|
2016-01-19 21:58:51 +08:00
|
|
|
s->session->master_key_length, km, num);
|
2015-05-12 17:27:53 +08:00
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
return ret;
|
|
|
|
}
|
1998-12-21 18:56:39 +08:00
|
|
|
|
1999-04-20 05:31:43 +08:00
|
|
|
int tls1_change_cipher_state(SSL *s, int which)
|
2015-01-22 11:40:55 +08:00
|
|
|
{
|
|
|
|
unsigned char *p, *mac_secret;
|
|
|
|
unsigned char tmp1[EVP_MAX_KEY_LENGTH];
|
|
|
|
unsigned char tmp2[EVP_MAX_KEY_LENGTH];
|
|
|
|
unsigned char iv1[EVP_MAX_IV_LENGTH * 2];
|
|
|
|
unsigned char iv2[EVP_MAX_IV_LENGTH * 2];
|
|
|
|
unsigned char *ms, *key, *iv;
|
|
|
|
EVP_CIPHER_CTX *dd;
|
|
|
|
const EVP_CIPHER *c;
|
2005-10-01 07:35:33 +08:00
|
|
|
#ifndef OPENSSL_NO_COMP
|
2015-01-22 11:40:55 +08:00
|
|
|
const SSL_COMP *comp;
|
2005-10-01 07:35:33 +08:00
|
|
|
#endif
|
2015-01-22 11:40:55 +08:00
|
|
|
const EVP_MD *m;
|
|
|
|
int mac_type;
|
|
|
|
int *mac_secret_size;
|
|
|
|
EVP_MD_CTX *mac_ctx;
|
|
|
|
EVP_PKEY *mac_key;
|
2015-12-05 09:04:41 +08:00
|
|
|
int n, i, j, k, cl;
|
2015-01-22 11:40:55 +08:00
|
|
|
int reuse_dd = 0;
|
|
|
|
|
|
|
|
c = s->s3->tmp.new_sym_enc;
|
|
|
|
m = s->s3->tmp.new_hash;
|
|
|
|
mac_type = s->s3->tmp.new_mac_pkey_type;
|
2005-10-01 07:35:33 +08:00
|
|
|
#ifndef OPENSSL_NO_COMP
|
2015-01-22 11:40:55 +08:00
|
|
|
comp = s->s3->tmp.new_compression;
|
2005-10-01 07:35:33 +08:00
|
|
|
#endif
|
1998-12-21 18:56:39 +08:00
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
if (which & SSL3_CC_READ) {
|
|
|
|
if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
|
|
|
|
s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM;
|
|
|
|
else
|
|
|
|
s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM;
|
|
|
|
|
|
|
|
if (s->enc_read_ctx != NULL)
|
|
|
|
reuse_dd = 1;
|
2015-12-14 05:08:41 +08:00
|
|
|
else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL)
|
2015-01-22 11:40:55 +08:00
|
|
|
goto err;
|
|
|
|
else
|
|
|
|
/*
|
|
|
|
* make sure it's intialized in case we exit later with an error
|
|
|
|
*/
|
2015-12-14 05:08:41 +08:00
|
|
|
EVP_CIPHER_CTX_reset(s->enc_read_ctx);
|
2015-01-22 11:40:55 +08:00
|
|
|
dd = s->enc_read_ctx;
|
|
|
|
mac_ctx = ssl_replace_hash(&s->read_hash, NULL);
|
2015-11-07 00:31:21 +08:00
|
|
|
if (mac_ctx == NULL)
|
|
|
|
goto err;
|
2005-10-01 07:35:33 +08:00
|
|
|
#ifndef OPENSSL_NO_COMP
|
2015-05-01 22:15:18 +08:00
|
|
|
COMP_CTX_free(s->expand);
|
|
|
|
s->expand = NULL;
|
2015-01-22 11:40:55 +08:00
|
|
|
if (comp != NULL) {
|
|
|
|
s->expand = COMP_CTX_new(comp->method);
|
|
|
|
if (s->expand == NULL) {
|
|
|
|
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,
|
|
|
|
SSL_R_COMPRESSION_LIBRARY_ERROR);
|
|
|
|
goto err2;
|
|
|
|
}
|
2015-02-02 22:52:32 +08:00
|
|
|
if (!RECORD_LAYER_setup_comp_buffer(&s->rlayer))
|
2015-01-22 11:40:55 +08:00
|
|
|
goto err;
|
|
|
|
}
|
2005-10-01 07:35:33 +08:00
|
|
|
#endif
|
2015-01-22 11:40:55 +08:00
|
|
|
/*
|
2015-02-05 21:54:37 +08:00
|
|
|
* this is done by dtls1_reset_seq_numbers for DTLS
|
2015-01-22 11:40:55 +08:00
|
|
|
*/
|
2015-02-05 21:54:37 +08:00
|
|
|
if (!SSL_IS_DTLS(s))
|
2015-02-03 22:26:50 +08:00
|
|
|
RECORD_LAYER_reset_read_sequence(&s->rlayer);
|
2015-01-22 11:40:55 +08:00
|
|
|
mac_secret = &(s->s3->read_mac_secret[0]);
|
|
|
|
mac_secret_size = &(s->s3->read_mac_secret_size);
|
|
|
|
} else {
|
|
|
|
if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
|
|
|
|
s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM;
|
|
|
|
else
|
|
|
|
s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM;
|
|
|
|
if (s->enc_write_ctx != NULL && !SSL_IS_DTLS(s))
|
|
|
|
reuse_dd = 1;
|
|
|
|
else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL)
|
|
|
|
goto err;
|
|
|
|
dd = s->enc_write_ctx;
|
|
|
|
if (SSL_IS_DTLS(s)) {
|
2015-12-02 07:49:35 +08:00
|
|
|
mac_ctx = EVP_MD_CTX_new();
|
2015-11-07 00:31:21 +08:00
|
|
|
if (mac_ctx == NULL)
|
2015-01-22 11:40:55 +08:00
|
|
|
goto err;
|
|
|
|
s->write_hash = mac_ctx;
|
2015-11-07 00:31:21 +08:00
|
|
|
} else {
|
2015-01-22 11:40:55 +08:00
|
|
|
mac_ctx = ssl_replace_hash(&s->write_hash, NULL);
|
2015-11-07 00:31:21 +08:00
|
|
|
if (mac_ctx == NULL)
|
|
|
|
goto err;
|
|
|
|
}
|
2005-10-01 07:35:33 +08:00
|
|
|
#ifndef OPENSSL_NO_COMP
|
2015-05-01 22:15:18 +08:00
|
|
|
COMP_CTX_free(s->compress);
|
|
|
|
s->compress = NULL;
|
2015-01-22 11:40:55 +08:00
|
|
|
if (comp != NULL) {
|
|
|
|
s->compress = COMP_CTX_new(comp->method);
|
|
|
|
if (s->compress == NULL) {
|
|
|
|
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,
|
|
|
|
SSL_R_COMPRESSION_LIBRARY_ERROR);
|
|
|
|
goto err2;
|
|
|
|
}
|
|
|
|
}
|
2005-10-01 07:35:33 +08:00
|
|
|
#endif
|
2015-01-22 11:40:55 +08:00
|
|
|
/*
|
2015-02-05 21:54:37 +08:00
|
|
|
* this is done by dtls1_reset_seq_numbers for DTLS
|
2015-01-22 11:40:55 +08:00
|
|
|
*/
|
2015-02-05 21:54:37 +08:00
|
|
|
if (!SSL_IS_DTLS(s))
|
2015-02-03 22:26:50 +08:00
|
|
|
RECORD_LAYER_reset_write_sequence(&s->rlayer);
|
2015-01-22 11:40:55 +08:00
|
|
|
mac_secret = &(s->s3->write_mac_secret[0]);
|
|
|
|
mac_secret_size = &(s->s3->write_mac_secret_size);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (reuse_dd)
|
2015-12-14 05:08:41 +08:00
|
|
|
EVP_CIPHER_CTX_reset(dd);
|
2015-01-22 11:40:55 +08:00
|
|
|
|
|
|
|
p = s->s3->tmp.key_block;
|
|
|
|
i = *mac_secret_size = s->s3->tmp.new_mac_secret_size;
|
|
|
|
|
|
|
|
cl = EVP_CIPHER_key_length(c);
|
2015-12-05 09:04:41 +08:00
|
|
|
j = cl;
|
2015-01-22 11:40:55 +08:00
|
|
|
/* Was j=(exp)?5:EVP_CIPHER_key_length(c); */
|
2015-07-31 23:54:35 +08:00
|
|
|
/* If GCM/CCM mode only part of IV comes from PRF */
|
2015-01-22 11:40:55 +08:00
|
|
|
if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE)
|
|
|
|
k = EVP_GCM_TLS_FIXED_IV_LEN;
|
2015-07-31 23:54:35 +08:00
|
|
|
else if (EVP_CIPHER_mode(c) == EVP_CIPH_CCM_MODE)
|
|
|
|
k = EVP_CCM_TLS_FIXED_IV_LEN;
|
2015-01-22 11:40:55 +08:00
|
|
|
else
|
|
|
|
k = EVP_CIPHER_iv_length(c);
|
|
|
|
if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
|
|
|
|
(which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
|
|
|
|
ms = &(p[0]);
|
|
|
|
n = i + i;
|
|
|
|
key = &(p[n]);
|
|
|
|
n += j + j;
|
|
|
|
iv = &(p[n]);
|
|
|
|
n += k + k;
|
|
|
|
} else {
|
|
|
|
n = i;
|
|
|
|
ms = &(p[n]);
|
|
|
|
n += i + j;
|
|
|
|
key = &(p[n]);
|
|
|
|
n += j + k;
|
|
|
|
iv = &(p[n]);
|
|
|
|
n += k;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (n > s->s3->tmp.key_block_length) {
|
|
|
|
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
|
|
|
|
goto err2;
|
|
|
|
}
|
|
|
|
|
|
|
|
memcpy(mac_secret, ms, i);
|
|
|
|
|
|
|
|
if (!(EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER)) {
|
|
|
|
mac_key = EVP_PKEY_new_mac_key(mac_type, NULL,
|
|
|
|
mac_secret, *mac_secret_size);
|
2015-11-07 00:31:21 +08:00
|
|
|
if (mac_key == NULL
|
|
|
|
|| EVP_DigestSignInit(mac_ctx, NULL, m, NULL, mac_key) <= 0) {
|
|
|
|
EVP_PKEY_free(mac_key);
|
|
|
|
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
|
|
|
|
goto err2;
|
|
|
|
}
|
2015-01-22 11:40:55 +08:00
|
|
|
EVP_PKEY_free(mac_key);
|
|
|
|
}
|
1998-12-21 18:56:39 +08:00
|
|
|
#ifdef TLS_DEBUG
|
2015-01-22 11:40:55 +08:00
|
|
|
printf("which = %04X\nmac key=", which);
|
|
|
|
{
|
|
|
|
int z;
|
|
|
|
for (z = 0; z < i; z++)
|
|
|
|
printf("%02X%c", ms[z], ((z + 1) % 16) ? ' ' : '\n');
|
|
|
|
}
|
1998-12-21 18:56:39 +08:00
|
|
|
#endif
|
2015-01-22 11:40:55 +08:00
|
|
|
|
|
|
|
if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) {
|
2015-02-26 19:54:58 +08:00
|
|
|
if (!EVP_CipherInit_ex(dd, c, NULL, key, NULL, (which & SSL3_CC_WRITE))
|
|
|
|
|| !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_GCM_SET_IV_FIXED, k, iv)) {
|
|
|
|
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
|
|
|
|
goto err2;
|
|
|
|
}
|
2015-07-31 23:54:35 +08:00
|
|
|
} else if (EVP_CIPHER_mode(c) == EVP_CIPH_CCM_MODE) {
|
2015-07-31 23:59:45 +08:00
|
|
|
int taglen;
|
|
|
|
if (s->s3->tmp.new_cipher->algorithm_enc & (SSL_AES128CCM8|SSL_AES256CCM8))
|
|
|
|
taglen = 8;
|
|
|
|
else
|
|
|
|
taglen = 16;
|
2015-07-31 23:54:35 +08:00
|
|
|
if (!EVP_CipherInit_ex(dd, c, NULL, NULL, NULL, (which & SSL3_CC_WRITE))
|
|
|
|
|| !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_IVLEN, 12, NULL)
|
|
|
|
|| !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_TAG, taglen, NULL)
|
|
|
|
|| !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_CCM_SET_IV_FIXED, k, iv)
|
|
|
|
|| !EVP_CipherInit_ex(dd, NULL, NULL, key, NULL, -1)) {
|
|
|
|
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
|
|
|
|
goto err2;
|
|
|
|
}
|
2015-02-26 19:54:58 +08:00
|
|
|
} else {
|
|
|
|
if (!EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE))) {
|
|
|
|
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
|
|
|
|
goto err2;
|
|
|
|
}
|
|
|
|
}
|
2015-01-22 11:40:55 +08:00
|
|
|
/* Needed for "composite" AEADs, such as RC4-HMAC-MD5 */
|
2015-02-26 19:54:58 +08:00
|
|
|
if ((EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER) && *mac_secret_size
|
|
|
|
&& !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_MAC_KEY,
|
|
|
|
*mac_secret_size, mac_secret)) {
|
|
|
|
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
|
|
|
|
goto err2;
|
|
|
|
}
|
2012-08-29 07:17:28 +08:00
|
|
|
#ifdef OPENSSL_SSL_TRACE_CRYPTO
|
2015-01-22 11:40:55 +08:00
|
|
|
if (s->msg_callback) {
|
|
|
|
int wh = which & SSL3_CC_WRITE ? TLS1_RT_CRYPTO_WRITE : 0;
|
|
|
|
if (*mac_secret_size)
|
|
|
|
s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_MAC,
|
|
|
|
mac_secret, *mac_secret_size,
|
|
|
|
s, s->msg_callback_arg);
|
|
|
|
if (c->key_len)
|
|
|
|
s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_KEY,
|
|
|
|
key, c->key_len, s, s->msg_callback_arg);
|
|
|
|
if (k) {
|
|
|
|
if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE)
|
|
|
|
wh |= TLS1_RT_CRYPTO_FIXED_IV;
|
|
|
|
else
|
|
|
|
wh |= TLS1_RT_CRYPTO_IV;
|
|
|
|
s->msg_callback(2, s->version, wh, iv, k, s, s->msg_callback_arg);
|
|
|
|
}
|
|
|
|
}
|
2012-08-29 07:17:28 +08:00
|
|
|
#endif
|
|
|
|
|
1998-12-21 18:56:39 +08:00
|
|
|
#ifdef TLS_DEBUG
|
2015-01-22 11:40:55 +08:00
|
|
|
printf("which = %04X\nkey=", which);
|
|
|
|
{
|
|
|
|
int z;
|
|
|
|
for (z = 0; z < EVP_CIPHER_key_length(c); z++)
|
|
|
|
printf("%02X%c", key[z], ((z + 1) % 16) ? ' ' : '\n');
|
|
|
|
}
|
|
|
|
printf("\niv=");
|
|
|
|
{
|
|
|
|
int z;
|
|
|
|
for (z = 0; z < k; z++)
|
|
|
|
printf("%02X%c", iv[z], ((z + 1) % 16) ? ' ' : '\n');
|
|
|
|
}
|
|
|
|
printf("\n");
|
1998-12-21 18:56:39 +08:00
|
|
|
#endif
|
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
OPENSSL_cleanse(tmp1, sizeof(tmp1));
|
|
|
|
OPENSSL_cleanse(tmp2, sizeof(tmp1));
|
|
|
|
OPENSSL_cleanse(iv1, sizeof(iv1));
|
|
|
|
OPENSSL_cleanse(iv2, sizeof(iv2));
|
|
|
|
return (1);
|
|
|
|
err:
|
|
|
|
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE);
|
|
|
|
err2:
|
2015-05-30 00:22:43 +08:00
|
|
|
OPENSSL_cleanse(tmp1, sizeof(tmp1));
|
|
|
|
OPENSSL_cleanse(tmp2, sizeof(tmp1));
|
|
|
|
OPENSSL_cleanse(iv1, sizeof(iv1));
|
|
|
|
OPENSSL_cleanse(iv2, sizeof(iv2));
|
2015-01-22 11:40:55 +08:00
|
|
|
return (0);
|
|
|
|
}
|
1998-12-21 18:56:39 +08:00
|
|
|
|
1999-04-20 05:31:43 +08:00
|
|
|
int tls1_setup_key_block(SSL *s)
|
2015-01-22 11:40:55 +08:00
|
|
|
{
|
2016-01-19 21:58:51 +08:00
|
|
|
unsigned char *p;
|
2015-01-22 11:40:55 +08:00
|
|
|
const EVP_CIPHER *c;
|
|
|
|
const EVP_MD *hash;
|
|
|
|
int num;
|
|
|
|
SSL_COMP *comp;
|
|
|
|
int mac_type = NID_undef, mac_secret_size = 0;
|
|
|
|
int ret = 0;
|
1998-12-21 18:56:39 +08:00
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
if (s->s3->tmp.key_block_length != 0)
|
|
|
|
return (1);
|
|
|
|
|
|
|
|
if (!ssl_cipher_get_evp
|
|
|
|
(s->session, &c, &hash, &mac_type, &mac_secret_size, &comp,
|
|
|
|
SSL_USE_ETM(s))) {
|
|
|
|
SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK, SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
s->s3->tmp.new_sym_enc = c;
|
|
|
|
s->s3->tmp.new_hash = hash;
|
|
|
|
s->s3->tmp.new_mac_pkey_type = mac_type;
|
|
|
|
s->s3->tmp.new_mac_secret_size = mac_secret_size;
|
|
|
|
num =
|
|
|
|
EVP_CIPHER_key_length(c) + mac_secret_size + EVP_CIPHER_iv_length(c);
|
|
|
|
num *= 2;
|
|
|
|
|
|
|
|
ssl3_cleanup_key_block(s);
|
|
|
|
|
2016-01-19 21:58:51 +08:00
|
|
|
if ((p = OPENSSL_malloc(num)) == NULL) {
|
2015-01-22 11:40:55 +08:00
|
|
|
SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
|
|
|
|
s->s3->tmp.key_block_length = num;
|
2016-01-19 21:58:51 +08:00
|
|
|
s->s3->tmp.key_block = p;
|
2015-01-22 11:40:55 +08:00
|
|
|
|
1998-12-21 18:56:39 +08:00
|
|
|
#ifdef TLS_DEBUG
|
2015-01-22 11:40:55 +08:00
|
|
|
printf("client random\n");
|
|
|
|
{
|
|
|
|
int z;
|
|
|
|
for (z = 0; z < SSL3_RANDOM_SIZE; z++)
|
|
|
|
printf("%02X%c", s->s3->client_random[z],
|
|
|
|
((z + 1) % 16) ? ' ' : '\n');
|
|
|
|
}
|
|
|
|
printf("server random\n");
|
|
|
|
{
|
|
|
|
int z;
|
|
|
|
for (z = 0; z < SSL3_RANDOM_SIZE; z++)
|
|
|
|
printf("%02X%c", s->s3->server_random[z],
|
|
|
|
((z + 1) % 16) ? ' ' : '\n');
|
|
|
|
}
|
|
|
|
printf("master key\n");
|
|
|
|
{
|
|
|
|
int z;
|
|
|
|
for (z = 0; z < s->session->master_key_length; z++)
|
|
|
|
printf("%02X%c", s->session->master_key[z],
|
|
|
|
((z + 1) % 16) ? ' ' : '\n');
|
|
|
|
}
|
1998-12-21 18:56:39 +08:00
|
|
|
#endif
|
2016-01-19 21:58:51 +08:00
|
|
|
if (!tls1_generate_key_block(s, p, num))
|
2015-01-22 11:40:55 +08:00
|
|
|
goto err;
|
1998-12-21 18:56:39 +08:00
|
|
|
#ifdef TLS_DEBUG
|
2015-01-22 11:40:55 +08:00
|
|
|
printf("\nkey block\n");
|
|
|
|
{
|
|
|
|
int z;
|
|
|
|
for (z = 0; z < num; z++)
|
|
|
|
printf("%02X%c", p1[z], ((z + 1) % 16) ? ' ' : '\n');
|
|
|
|
}
|
1998-12-21 18:56:39 +08:00
|
|
|
#endif
|
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)
|
|
|
|
&& s->method->version <= TLS1_VERSION) {
|
|
|
|
/*
|
|
|
|
* enable vulnerability countermeasure for CBC ciphers with known-IV
|
|
|
|
* problem (http://www.openssl.org/~bodo/tls-cbc.txt)
|
|
|
|
*/
|
|
|
|
s->s3->need_empty_fragments = 1;
|
|
|
|
|
|
|
|
if (s->session->cipher != NULL) {
|
|
|
|
if (s->session->cipher->algorithm_enc == SSL_eNULL)
|
|
|
|
s->s3->need_empty_fragments = 0;
|
|
|
|
|
2002-07-09 16:49:09 +08:00
|
|
|
#ifndef OPENSSL_NO_RC4
|
2015-01-22 11:40:55 +08:00
|
|
|
if (s->session->cipher->algorithm_enc == SSL_RC4)
|
|
|
|
s->s3->need_empty_fragments = 0;
|
2002-04-14 06:47:20 +08:00
|
|
|
#endif
|
2015-01-22 11:40:55 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = 1;
|
|
|
|
err:
|
|
|
|
return (ret);
|
|
|
|
}
|
1998-12-21 18:56:39 +08:00
|
|
|
|
2015-01-23 10:37:27 +08:00
|
|
|
int tls1_final_finish_mac(SSL *s, const char *str, int slen,
|
|
|
|
unsigned char *out)
|
2015-01-22 11:40:55 +08:00
|
|
|
{
|
2015-01-23 10:37:27 +08:00
|
|
|
int hashlen;
|
2015-11-26 02:20:50 +08:00
|
|
|
unsigned char hash[EVP_MAX_MD_SIZE];
|
2015-01-22 11:40:55 +08:00
|
|
|
|
2015-06-16 21:44:29 +08:00
|
|
|
if (!ssl3_digest_cached_records(s, 0))
|
|
|
|
return 0;
|
2015-01-22 11:40:55 +08:00
|
|
|
|
2015-01-23 10:37:27 +08:00
|
|
|
hashlen = ssl_handshake_hash(s, hash, sizeof(hash));
|
2015-01-22 11:40:55 +08:00
|
|
|
|
2015-01-23 10:37:27 +08:00
|
|
|
if (hashlen == 0)
|
|
|
|
return 0;
|
2015-01-22 11:40:55 +08:00
|
|
|
|
2016-01-19 21:58:51 +08:00
|
|
|
if (!tls1_PRF(s, str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0,
|
2015-01-22 11:40:55 +08:00
|
|
|
s->session->master_key, s->session->master_key_length,
|
2016-01-19 21:58:51 +08:00
|
|
|
out, TLS1_FINISH_MAC_LENGTH))
|
2015-01-22 11:40:55 +08:00
|
|
|
return 0;
|
2015-03-09 21:59:58 +08:00
|
|
|
OPENSSL_cleanse(hash, hashlen);
|
2016-01-19 21:58:51 +08:00
|
|
|
return TLS1_FINISH_MAC_LENGTH;
|
2015-01-22 11:40:55 +08:00
|
|
|
}
|
1998-12-21 18:56:39 +08:00
|
|
|
|
1999-04-20 05:31:43 +08:00
|
|
|
int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
|
2015-01-22 11:40:55 +08:00
|
|
|
int len)
|
|
|
|
{
|
2015-01-23 10:49:16 +08:00
|
|
|
if (s->session->flags & SSL_SESS_FLAG_EXTMS) {
|
|
|
|
unsigned char hash[EVP_MAX_MD_SIZE * 2];
|
|
|
|
int hashlen;
|
2015-06-16 21:44:29 +08:00
|
|
|
/* Digest cached records keeping record buffer (if present):
|
|
|
|
* this wont affect client auth because we're freezing the buffer
|
|
|
|
* at the same point (after client key exchange and before certificate
|
|
|
|
* verify)
|
|
|
|
*/
|
|
|
|
if (!ssl3_digest_cached_records(s, 1))
|
|
|
|
return -1;
|
2015-01-23 10:49:16 +08:00
|
|
|
hashlen = ssl_handshake_hash(s, hash, sizeof(hash));
|
|
|
|
#ifdef SSL_DEBUG
|
|
|
|
fprintf(stderr, "Handshake hashes:\n");
|
|
|
|
BIO_dump_fp(stderr, (char *)hash, hashlen);
|
|
|
|
#endif
|
2015-11-26 02:20:50 +08:00
|
|
|
tls1_PRF(s,
|
2015-01-23 10:49:16 +08:00
|
|
|
TLS_MD_EXTENDED_MASTER_SECRET_CONST,
|
|
|
|
TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE,
|
|
|
|
hash, hashlen,
|
|
|
|
NULL, 0,
|
2015-02-03 22:53:15 +08:00
|
|
|
NULL, 0,
|
2016-01-19 21:58:51 +08:00
|
|
|
NULL, 0, p, len, s->session->master_key,
|
|
|
|
SSL3_MASTER_SECRET_SIZE);
|
2015-01-23 10:49:16 +08:00
|
|
|
OPENSSL_cleanse(hash, hashlen);
|
|
|
|
} else {
|
2015-11-26 02:20:50 +08:00
|
|
|
tls1_PRF(s,
|
2015-01-23 10:49:16 +08:00
|
|
|
TLS_MD_MASTER_SECRET_CONST,
|
|
|
|
TLS_MD_MASTER_SECRET_CONST_SIZE,
|
|
|
|
s->s3->client_random, SSL3_RANDOM_SIZE,
|
2015-02-03 22:53:15 +08:00
|
|
|
NULL, 0,
|
2015-01-23 10:49:16 +08:00
|
|
|
s->s3->server_random, SSL3_RANDOM_SIZE,
|
2016-01-19 21:58:51 +08:00
|
|
|
NULL, 0, p, len, s->session->master_key,
|
|
|
|
SSL3_MASTER_SECRET_SIZE);
|
2015-01-23 10:49:16 +08:00
|
|
|
}
|
2011-05-09 23:44:01 +08:00
|
|
|
#ifdef SSL_DEBUG
|
2015-01-22 11:40:55 +08:00
|
|
|
fprintf(stderr, "Premaster Secret:\n");
|
|
|
|
BIO_dump_fp(stderr, (char *)p, len);
|
|
|
|
fprintf(stderr, "Client Random:\n");
|
|
|
|
BIO_dump_fp(stderr, (char *)s->s3->client_random, SSL3_RANDOM_SIZE);
|
|
|
|
fprintf(stderr, "Server Random:\n");
|
|
|
|
BIO_dump_fp(stderr, (char *)s->s3->server_random, SSL3_RANDOM_SIZE);
|
|
|
|
fprintf(stderr, "Master Secret:\n");
|
|
|
|
BIO_dump_fp(stderr, (char *)s->session->master_key,
|
|
|
|
SSL3_MASTER_SECRET_SIZE);
|
2011-05-09 23:44:01 +08:00
|
|
|
#endif
|
2007-09-21 14:54:24 +08:00
|
|
|
|
2012-08-29 07:17:28 +08:00
|
|
|
#ifdef OPENSSL_SSL_TRACE_CRYPTO
|
2015-01-22 11:40:55 +08:00
|
|
|
if (s->msg_callback) {
|
|
|
|
s->msg_callback(2, s->version, TLS1_RT_CRYPTO_PREMASTER,
|
|
|
|
p, len, s, s->msg_callback_arg);
|
|
|
|
s->msg_callback(2, s->version, TLS1_RT_CRYPTO_CLIENT_RANDOM,
|
|
|
|
s->s3->client_random, SSL3_RANDOM_SIZE,
|
|
|
|
s, s->msg_callback_arg);
|
|
|
|
s->msg_callback(2, s->version, TLS1_RT_CRYPTO_SERVER_RANDOM,
|
|
|
|
s->s3->server_random, SSL3_RANDOM_SIZE,
|
|
|
|
s, s->msg_callback_arg);
|
|
|
|
s->msg_callback(2, s->version, TLS1_RT_CRYPTO_MASTER,
|
|
|
|
s->session->master_key,
|
|
|
|
SSL3_MASTER_SECRET_SIZE, s, s->msg_callback_arg);
|
|
|
|
}
|
2012-08-29 07:17:28 +08:00
|
|
|
#endif
|
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
return (SSL3_MASTER_SECRET_SIZE);
|
|
|
|
}
|
1998-12-21 18:56:39 +08:00
|
|
|
|
2012-02-22 23:06:56 +08:00
|
|
|
int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
|
2015-01-22 11:40:55 +08:00
|
|
|
const char *label, size_t llen,
|
|
|
|
const unsigned char *context,
|
|
|
|
size_t contextlen, int use_context)
|
|
|
|
{
|
|
|
|
unsigned char *buff;
|
|
|
|
unsigned char *val = NULL;
|
2015-06-01 02:46:44 +08:00
|
|
|
size_t vallen = 0, currentvalpos;
|
2015-01-22 11:40:55 +08:00
|
|
|
int rv;
|
2011-11-16 07:50:52 +08:00
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
buff = OPENSSL_malloc(olen);
|
|
|
|
if (buff == NULL)
|
|
|
|
goto err2;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* construct PRF arguments we construct the PRF argument ourself rather
|
|
|
|
* than passing separate values into the TLS PRF to ensure that the
|
|
|
|
* concatenation of values does not create a prohibited label.
|
|
|
|
*/
|
|
|
|
vallen = llen + SSL3_RANDOM_SIZE * 2;
|
|
|
|
if (use_context) {
|
|
|
|
vallen += 2 + contextlen;
|
|
|
|
}
|
|
|
|
|
|
|
|
val = OPENSSL_malloc(vallen);
|
|
|
|
if (val == NULL)
|
|
|
|
goto err2;
|
|
|
|
currentvalpos = 0;
|
|
|
|
memcpy(val + currentvalpos, (unsigned char *)label, llen);
|
|
|
|
currentvalpos += llen;
|
|
|
|
memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE);
|
|
|
|
currentvalpos += SSL3_RANDOM_SIZE;
|
|
|
|
memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE);
|
|
|
|
currentvalpos += SSL3_RANDOM_SIZE;
|
|
|
|
|
|
|
|
if (use_context) {
|
|
|
|
val[currentvalpos] = (contextlen >> 8) & 0xff;
|
|
|
|
currentvalpos++;
|
|
|
|
val[currentvalpos] = contextlen & 0xff;
|
|
|
|
currentvalpos++;
|
|
|
|
if ((contextlen > 0) || (context != NULL)) {
|
|
|
|
memcpy(val + currentvalpos, context, contextlen);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* disallow prohibited labels note that SSL3_RANDOM_SIZE > max(prohibited
|
|
|
|
* label len) = 15, so size of val > max(prohibited label len) = 15 and
|
|
|
|
* the comparisons won't have buffer overflow
|
|
|
|
*/
|
|
|
|
if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST,
|
|
|
|
TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0)
|
|
|
|
goto err1;
|
|
|
|
if (memcmp(val, TLS_MD_SERVER_FINISH_CONST,
|
|
|
|
TLS_MD_SERVER_FINISH_CONST_SIZE) == 0)
|
|
|
|
goto err1;
|
|
|
|
if (memcmp(val, TLS_MD_MASTER_SECRET_CONST,
|
|
|
|
TLS_MD_MASTER_SECRET_CONST_SIZE) == 0)
|
|
|
|
goto err1;
|
2015-01-23 10:49:16 +08:00
|
|
|
if (memcmp(val, TLS_MD_EXTENDED_MASTER_SECRET_CONST,
|
|
|
|
TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE) == 0)
|
|
|
|
goto err1;
|
2015-01-22 11:40:55 +08:00
|
|
|
if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST,
|
|
|
|
TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0)
|
|
|
|
goto err1;
|
|
|
|
|
2015-11-26 02:20:50 +08:00
|
|
|
rv = tls1_PRF(s,
|
2015-01-22 11:40:55 +08:00
|
|
|
val, vallen,
|
|
|
|
NULL, 0,
|
|
|
|
NULL, 0,
|
|
|
|
NULL, 0,
|
|
|
|
NULL, 0,
|
|
|
|
s->session->master_key, s->session->master_key_length,
|
2016-01-19 21:58:51 +08:00
|
|
|
out, olen);
|
2011-11-16 07:50:52 +08:00
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
goto ret;
|
|
|
|
err1:
|
|
|
|
SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL,
|
|
|
|
SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
|
|
|
|
rv = 0;
|
|
|
|
goto ret;
|
|
|
|
err2:
|
|
|
|
SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, ERR_R_MALLOC_FAILURE);
|
|
|
|
rv = 0;
|
|
|
|
ret:
|
2016-02-17 09:24:25 +08:00
|
|
|
OPENSSL_clear_free(val, vallen);
|
|
|
|
OPENSSL_clear_free(buff, olen);
|
2015-01-22 11:40:55 +08:00
|
|
|
return (rv);
|
|
|
|
}
|
2011-11-16 07:50:52 +08:00
|
|
|
|
1999-04-20 05:31:43 +08:00
|
|
|
int tls1_alert_code(int code)
|
2015-01-22 11:40:55 +08:00
|
|
|
{
|
|
|
|
switch (code) {
|
|
|
|
case SSL_AD_CLOSE_NOTIFY:
|
|
|
|
return (SSL3_AD_CLOSE_NOTIFY);
|
|
|
|
case SSL_AD_UNEXPECTED_MESSAGE:
|
|
|
|
return (SSL3_AD_UNEXPECTED_MESSAGE);
|
|
|
|
case SSL_AD_BAD_RECORD_MAC:
|
|
|
|
return (SSL3_AD_BAD_RECORD_MAC);
|
|
|
|
case SSL_AD_DECRYPTION_FAILED:
|
|
|
|
return (TLS1_AD_DECRYPTION_FAILED);
|
|
|
|
case SSL_AD_RECORD_OVERFLOW:
|
|
|
|
return (TLS1_AD_RECORD_OVERFLOW);
|
|
|
|
case SSL_AD_DECOMPRESSION_FAILURE:
|
|
|
|
return (SSL3_AD_DECOMPRESSION_FAILURE);
|
|
|
|
case SSL_AD_HANDSHAKE_FAILURE:
|
|
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
|
|
case SSL_AD_NO_CERTIFICATE:
|
|
|
|
return (-1);
|
|
|
|
case SSL_AD_BAD_CERTIFICATE:
|
|
|
|
return (SSL3_AD_BAD_CERTIFICATE);
|
|
|
|
case SSL_AD_UNSUPPORTED_CERTIFICATE:
|
|
|
|
return (SSL3_AD_UNSUPPORTED_CERTIFICATE);
|
|
|
|
case SSL_AD_CERTIFICATE_REVOKED:
|
|
|
|
return (SSL3_AD_CERTIFICATE_REVOKED);
|
|
|
|
case SSL_AD_CERTIFICATE_EXPIRED:
|
|
|
|
return (SSL3_AD_CERTIFICATE_EXPIRED);
|
|
|
|
case SSL_AD_CERTIFICATE_UNKNOWN:
|
|
|
|
return (SSL3_AD_CERTIFICATE_UNKNOWN);
|
|
|
|
case SSL_AD_ILLEGAL_PARAMETER:
|
|
|
|
return (SSL3_AD_ILLEGAL_PARAMETER);
|
|
|
|
case SSL_AD_UNKNOWN_CA:
|
|
|
|
return (TLS1_AD_UNKNOWN_CA);
|
|
|
|
case SSL_AD_ACCESS_DENIED:
|
|
|
|
return (TLS1_AD_ACCESS_DENIED);
|
|
|
|
case SSL_AD_DECODE_ERROR:
|
|
|
|
return (TLS1_AD_DECODE_ERROR);
|
|
|
|
case SSL_AD_DECRYPT_ERROR:
|
|
|
|
return (TLS1_AD_DECRYPT_ERROR);
|
|
|
|
case SSL_AD_EXPORT_RESTRICTION:
|
|
|
|
return (TLS1_AD_EXPORT_RESTRICTION);
|
|
|
|
case SSL_AD_PROTOCOL_VERSION:
|
|
|
|
return (TLS1_AD_PROTOCOL_VERSION);
|
|
|
|
case SSL_AD_INSUFFICIENT_SECURITY:
|
|
|
|
return (TLS1_AD_INSUFFICIENT_SECURITY);
|
|
|
|
case SSL_AD_INTERNAL_ERROR:
|
|
|
|
return (TLS1_AD_INTERNAL_ERROR);
|
|
|
|
case SSL_AD_USER_CANCELLED:
|
|
|
|
return (TLS1_AD_USER_CANCELLED);
|
|
|
|
case SSL_AD_NO_RENEGOTIATION:
|
|
|
|
return (TLS1_AD_NO_RENEGOTIATION);
|
|
|
|
case SSL_AD_UNSUPPORTED_EXTENSION:
|
|
|
|
return (TLS1_AD_UNSUPPORTED_EXTENSION);
|
|
|
|
case SSL_AD_CERTIFICATE_UNOBTAINABLE:
|
|
|
|
return (TLS1_AD_CERTIFICATE_UNOBTAINABLE);
|
|
|
|
case SSL_AD_UNRECOGNIZED_NAME:
|
|
|
|
return (TLS1_AD_UNRECOGNIZED_NAME);
|
|
|
|
case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
|
|
|
|
return (TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE);
|
|
|
|
case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
|
|
|
|
return (TLS1_AD_BAD_CERTIFICATE_HASH_VALUE);
|
|
|
|
case SSL_AD_UNKNOWN_PSK_IDENTITY:
|
|
|
|
return (TLS1_AD_UNKNOWN_PSK_IDENTITY);
|
|
|
|
case SSL_AD_INAPPROPRIATE_FALLBACK:
|
|
|
|
return (TLS1_AD_INAPPROPRIATE_FALLBACK);
|
|
|
|
default:
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
}
|