-/* 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 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
* 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.
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "ssl_locl.h"
-#ifndef OPENSSL_NO_COMP
-# include <openssl/comp.h>
-#endif
+#include <openssl/comp.h>
#include <openssl/evp.h>
#include <openssl/kdf.h>
#include <openssl/rand.h>
/* seed1 through seed5 are concatenated */
static int tls1_PRF(SSL *s,
- 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,
- unsigned char *out, int olen)
+ const void *seed1, size_t seed1_len,
+ const void *seed2, size_t seed2_len,
+ const void *seed3, size_t seed3_len,
+ const void *seed4, size_t seed4_len,
+ const void *seed5, size_t seed5_len,
+ const unsigned char *sec, size_t slen,
+ unsigned char *out, size_t olen, int fatal)
{
const EVP_MD *md = ssl_prf_md(s);
EVP_PKEY_CTX *pctx = NULL;
-
int ret = 0;
- size_t outlen = olen;
if (md == NULL) {
/* Should never happen */
- SSLerr(SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR);
+ if (fatal)
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_PRF,
+ ERR_R_INTERNAL_ERROR);
+ else
+ SSLerr(SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR);
return 0;
}
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;
-
- 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)
+ || EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, (int)slen) <= 0
+ || EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed1, (int)seed1_len) <= 0
+ || EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed2, (int)seed2_len) <= 0
+ || EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed3, (int)seed3_len) <= 0
+ || EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed4, (int)seed4_len) <= 0
+ || EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed5, (int)seed5_len) <= 0
+ || EVP_PKEY_derive(pctx, out, &olen) <= 0) {
+ if (fatal)
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_PRF,
+ ERR_R_INTERNAL_ERROR);
+ else
+ SSLerr(SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR);
goto err;
+ }
- if (EVP_PKEY_derive(pctx, out, &outlen) <= 0)
- goto err;
ret = 1;
- err:
+ err:
EVP_PKEY_CTX_free(pctx);
return ret;
}
-static int tls1_generate_key_block(SSL *s, unsigned char *km, int num)
+static int tls1_generate_key_block(SSL *s, unsigned char *km, size_t num)
{
int ret;
+
+ /* Calls SSLfatal() as required */
ret = tls1_PRF(s,
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,
- s->session->master_key_length, km, num);
+ s->session->master_key_length, km, num, 1);
return ret;
}
#endif
const EVP_MD *m;
int mac_type;
- int *mac_secret_size;
+ size_t *mac_secret_size;
EVP_MD_CTX *mac_ctx;
EVP_PKEY *mac_key;
- int n, i, j, k, cl;
+ size_t n, i, j, k, cl;
int reuse_dd = 0;
c = s->s3->tmp.new_sym_enc;
#endif
if (which & SSL3_CC_READ) {
+ if (s->ext.use_etm)
+ s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
+ else
+ s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_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)
+ if (s->enc_read_ctx != NULL) {
reuse_dd = 1;
- else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL)
+ } else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ ERR_R_MALLOC_FAILURE);
goto err;
- else
+ } else {
/*
- * make sure it's intialized in case we exit later with an error
+ * make sure it's initialised in case we exit later with an error
*/
EVP_CIPHER_CTX_reset(s->enc_read_ctx);
+ }
dd = s->enc_read_ctx;
mac_ctx = ssl_replace_hash(&s->read_hash, NULL);
if (mac_ctx == NULL)
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;
- }
- if (!RECORD_LAYER_setup_comp_buffer(&s->rlayer))
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR,
+ SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ SSL_R_COMPRESSION_LIBRARY_ERROR);
goto err;
+ }
}
#endif
/*
mac_secret = &(s->s3->read_mac_secret[0]);
mac_secret_size = &(s->s3->read_mac_secret_size);
} else {
+ s->statem.enc_write_state = ENC_WRITE_STATE_INVALID;
+ if (s->ext.use_etm)
+ s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
+ else
+ s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
+
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))
+ if (s->enc_write_ctx != NULL && !SSL_IS_DTLS(s)) {
reuse_dd = 1;
- else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL)
+ } else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ ERR_R_MALLOC_FAILURE);
goto err;
+ }
dd = s->enc_write_ctx;
if (SSL_IS_DTLS(s)) {
mac_ctx = EVP_MD_CTX_new();
- if (mac_ctx == NULL)
+ if (mac_ctx == NULL) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR,
+ SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ ERR_R_MALLOC_FAILURE);
goto err;
+ }
s->write_hash = mac_ctx;
} else {
mac_ctx = ssl_replace_hash(&s->write_hash, NULL);
- if (mac_ctx == NULL)
+ if (mac_ctx == NULL) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR,
+ SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ ERR_R_MALLOC_FAILURE);
goto err;
+ }
}
#ifndef OPENSSL_NO_COMP
COMP_CTX_free(s->compress);
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;
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR,
+ SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ SSL_R_COMPRESSION_LIBRARY_ERROR);
+ goto err;
}
}
#endif
p = s->s3->tmp.key_block;
i = *mac_secret_size = s->s3->tmp.new_mac_secret_size;
+ /* TODO(size_t): convert me */
cl = EVP_CIPHER_key_length(c);
j = cl;
/* Was j=(exp)?5:EVP_CIPHER_key_length(c); */
}
if (n > s->s3->tmp.key_block_length) {
- SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
- goto err2;
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ ERR_R_INTERNAL_ERROR);
+ goto err;
}
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);
+ /* TODO(size_t): Convert this function */
+ mac_key = EVP_PKEY_new_mac_key(mac_type, NULL, mac_secret,
+ (int)*mac_secret_size);
if (mac_key == NULL
- || EVP_DigestSignInit(mac_ctx, NULL, m, NULL, mac_key) <= 0) {
+ || 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;
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ ERR_R_INTERNAL_ERROR);
+ goto err;
}
EVP_PKEY_free(mac_key);
}
#ifdef SSL_DEBUG
printf("which = %04X\nmac key=", which);
{
- int z;
+ size_t z;
for (z = 0; z < i; z++)
printf("%02X%c", ms[z], ((z + 1) % 16) ? ' ' : '\n');
}
if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) {
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;
+ || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_GCM_SET_IV_FIXED, (int)k,
+ iv)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ ERR_R_INTERNAL_ERROR);
+ goto err;
}
} else if (EVP_CIPHER_mode(c) == EVP_CIPH_CCM_MODE) {
int taglen;
- if (s->s3->tmp.new_cipher->algorithm_enc & (SSL_AES128CCM8|SSL_AES256CCM8))
- taglen = 8;
+ if (s->s3->tmp.
+ new_cipher->algorithm_enc & (SSL_AES128CCM8 | SSL_AES256CCM8))
+ taglen = EVP_CCM8_TLS_TAG_LEN;
else
- taglen = 16;
+ taglen = EVP_CCM_TLS_TAG_LEN;
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_CIPHER_CTX_ctrl(dd, EVP_CTRL_CCM_SET_IV_FIXED, (int)k, iv)
|| !EVP_CipherInit_ex(dd, NULL, NULL, key, NULL, -1)) {
- SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
- goto err2;
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ ERR_R_INTERNAL_ERROR);
+ goto err;
}
} 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;
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ ERR_R_INTERNAL_ERROR);
+ goto err;
}
}
/* Needed for "composite" AEADs, such as RC4-HMAC-MD5 */
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;
- }
-#ifdef OPENSSL_SSL_TRACE_CRYPTO
- 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);
- }
+ (int)*mac_secret_size, mac_secret)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_CHANGE_CIPHER_STATE,
+ ERR_R_INTERNAL_ERROR);
+ goto err;
}
-#endif
+ s->statem.enc_write_state = ENC_WRITE_STATE_VALID;
#ifdef SSL_DEBUG
printf("which = %04X\nkey=", which);
}
printf("\niv=");
{
- int z;
+ size_t z;
for (z = 0; z < k; z++)
printf("%02X%c", iv[z], ((z + 1) % 16) ? ' ' : '\n');
}
OPENSSL_cleanse(tmp2, sizeof(tmp1));
OPENSSL_cleanse(iv1, sizeof(iv1));
OPENSSL_cleanse(iv2, sizeof(iv2));
- return (1);
+ return 1;
err:
- SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE);
- err2:
OPENSSL_cleanse(tmp1, sizeof(tmp1));
OPENSSL_cleanse(tmp2, sizeof(tmp1));
OPENSSL_cleanse(iv1, sizeof(iv1));
OPENSSL_cleanse(iv2, sizeof(iv2));
- return (0);
+ return 0;
}
int tls1_setup_key_block(SSL *s)
unsigned char *p;
const EVP_CIPHER *c;
const EVP_MD *hash;
- int num;
SSL_COMP *comp;
- int mac_type = NID_undef, mac_secret_size = 0;
+ int mac_type = NID_undef;
+ size_t num, mac_secret_size = 0;
int ret = 0;
if (s->s3->tmp.key_block_length != 0)
- return (1);
+ 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);
+ if (!ssl_cipher_get_evp(s->session, &c, &hash, &mac_type, &mac_secret_size,
+ &comp, s->ext.use_etm)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, 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 = EVP_CIPHER_key_length(c) + mac_secret_size + EVP_CIPHER_iv_length(c);
num *= 2;
ssl3_cleanup_key_block(s);
if ((p = OPENSSL_malloc(num)) == NULL) {
- SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_SETUP_KEY_BLOCK,
+ ERR_R_MALLOC_FAILURE);
goto err;
}
}
printf("master key\n");
{
- int z;
+ size_t z;
for (z = 0; z < s->session->master_key_length; z++)
printf("%02X%c", s->session->master_key[z],
((z + 1) % 16) ? ' ' : '\n');
}
#endif
- if (!tls1_generate_key_block(s, p, num))
+ if (!tls1_generate_key_block(s, p, num)) {
+ /* SSLfatal() already called */
goto err;
+ }
#ifdef SSL_DEBUG
printf("\nkey block\n");
{
- int z;
+ size_t z;
for (z = 0; z < num; z++)
printf("%02X%c", p[z], ((z + 1) % 16) ? ' ' : '\n');
}
ret = 1;
err:
- return (ret);
+ return ret;
}
-int tls1_final_finish_mac(SSL *s, const char *str, int slen,
- unsigned char *out)
+size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen,
+ unsigned char *out)
{
- int hashlen;
+ size_t hashlen;
unsigned char hash[EVP_MAX_MD_SIZE];
- if (!ssl3_digest_cached_records(s, 0))
+ if (!ssl3_digest_cached_records(s, 0)) {
+ /* SSLfatal() already called */
return 0;
+ }
- hashlen = ssl_handshake_hash(s, hash, sizeof(hash));
-
- if (hashlen == 0)
+ if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
+ /* SSLfatal() already called */
return 0;
+ }
if (!tls1_PRF(s, str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0,
s->session->master_key, s->session->master_key_length,
- out, TLS1_FINISH_MAC_LENGTH))
+ out, TLS1_FINISH_MAC_LENGTH, 1)) {
+ /* SSLfatal() already called */
return 0;
+ }
OPENSSL_cleanse(hash, hashlen);
return TLS1_FINISH_MAC_LENGTH;
}
int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
- int len)
+ size_t len, size_t *secret_size)
{
if (s->session->flags & SSL_SESS_FLAG_EXTMS) {
unsigned char hash[EVP_MAX_MD_SIZE * 2];
- int hashlen;
- /* 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)
+ size_t hashlen;
+ /*
+ * 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;
- hashlen = ssl_handshake_hash(s, hash, sizeof(hash));
+ if (!ssl3_digest_cached_records(s, 1)
+ || !ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
+ /* SSLfatal() already called */
+ return 0;
+ }
#ifdef SSL_DEBUG
fprintf(stderr, "Handshake hashes:\n");
BIO_dump_fp(stderr, (char *)hash, hashlen);
#endif
- tls1_PRF(s,
- TLS_MD_EXTENDED_MASTER_SECRET_CONST,
- TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE,
- hash, hashlen,
- NULL, 0,
- NULL, 0,
- NULL, 0, p, len, s->session->master_key,
- SSL3_MASTER_SECRET_SIZE);
+ if (!tls1_PRF(s,
+ TLS_MD_EXTENDED_MASTER_SECRET_CONST,
+ TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE,
+ hash, hashlen,
+ NULL, 0,
+ NULL, 0,
+ NULL, 0, p, len, out,
+ SSL3_MASTER_SECRET_SIZE, 1)) {
+ /* SSLfatal() already called */
+ return 0;
+ }
OPENSSL_cleanse(hash, hashlen);
} else {
- tls1_PRF(s,
- TLS_MD_MASTER_SECRET_CONST,
- TLS_MD_MASTER_SECRET_CONST_SIZE,
- s->s3->client_random, SSL3_RANDOM_SIZE,
- NULL, 0,
- s->s3->server_random, SSL3_RANDOM_SIZE,
- NULL, 0, p, len, s->session->master_key,
- SSL3_MASTER_SECRET_SIZE);
+ if (!tls1_PRF(s,
+ TLS_MD_MASTER_SECRET_CONST,
+ TLS_MD_MASTER_SECRET_CONST_SIZE,
+ s->s3->client_random, SSL3_RANDOM_SIZE,
+ NULL, 0,
+ s->s3->server_random, SSL3_RANDOM_SIZE,
+ NULL, 0, p, len, out,
+ SSL3_MASTER_SECRET_SIZE, 1)) {
+ /* SSLfatal() already called */
+ return 0;
+ }
}
#ifdef SSL_DEBUG
fprintf(stderr, "Premaster Secret:\n");
SSL3_MASTER_SECRET_SIZE);
#endif
-#ifdef OPENSSL_SSL_TRACE_CRYPTO
- 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);
- }
-#endif
-
- return (SSL3_MASTER_SECRET_SIZE);
+ *secret_size = SSL3_MASTER_SECRET_SIZE;
+ return 1;
}
int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
NULL, 0,
NULL, 0,
s->session->master_key, s->session->master_key_length,
- out, olen);
+ out, olen, 0);
goto ret;
err1:
- SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL,
- SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
+ SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
rv = 0;
goto ret;
err2:
rv = 0;
ret:
OPENSSL_clear_free(val, vallen);
- return (rv);
+ return rv;
}
int tls1_alert_code(int code)
{
switch (code) {
case SSL_AD_CLOSE_NOTIFY:
- return (SSL3_AD_CLOSE_NOTIFY);
+ return SSL3_AD_CLOSE_NOTIFY;
case SSL_AD_UNEXPECTED_MESSAGE:
- return (SSL3_AD_UNEXPECTED_MESSAGE);
+ return SSL3_AD_UNEXPECTED_MESSAGE;
case SSL_AD_BAD_RECORD_MAC:
- return (SSL3_AD_BAD_RECORD_MAC);
+ return SSL3_AD_BAD_RECORD_MAC;
case SSL_AD_DECRYPTION_FAILED:
- return (TLS1_AD_DECRYPTION_FAILED);
+ return TLS1_AD_DECRYPTION_FAILED;
case SSL_AD_RECORD_OVERFLOW:
- return (TLS1_AD_RECORD_OVERFLOW);
+ return TLS1_AD_RECORD_OVERFLOW;
case SSL_AD_DECOMPRESSION_FAILURE:
- return (SSL3_AD_DECOMPRESSION_FAILURE);
+ return SSL3_AD_DECOMPRESSION_FAILURE;
case SSL_AD_HANDSHAKE_FAILURE:
- return (SSL3_AD_HANDSHAKE_FAILURE);
+ return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_NO_CERTIFICATE:
- return (-1);
+ return -1;
case SSL_AD_BAD_CERTIFICATE:
- return (SSL3_AD_BAD_CERTIFICATE);
+ return SSL3_AD_BAD_CERTIFICATE;
case SSL_AD_UNSUPPORTED_CERTIFICATE:
- return (SSL3_AD_UNSUPPORTED_CERTIFICATE);
+ return SSL3_AD_UNSUPPORTED_CERTIFICATE;
case SSL_AD_CERTIFICATE_REVOKED:
- return (SSL3_AD_CERTIFICATE_REVOKED);
+ return SSL3_AD_CERTIFICATE_REVOKED;
case SSL_AD_CERTIFICATE_EXPIRED:
- return (SSL3_AD_CERTIFICATE_EXPIRED);
+ return SSL3_AD_CERTIFICATE_EXPIRED;
case SSL_AD_CERTIFICATE_UNKNOWN:
- return (SSL3_AD_CERTIFICATE_UNKNOWN);
+ return SSL3_AD_CERTIFICATE_UNKNOWN;
case SSL_AD_ILLEGAL_PARAMETER:
- return (SSL3_AD_ILLEGAL_PARAMETER);
+ return SSL3_AD_ILLEGAL_PARAMETER;
case SSL_AD_UNKNOWN_CA:
- return (TLS1_AD_UNKNOWN_CA);
+ return TLS1_AD_UNKNOWN_CA;
case SSL_AD_ACCESS_DENIED:
- return (TLS1_AD_ACCESS_DENIED);
+ return TLS1_AD_ACCESS_DENIED;
case SSL_AD_DECODE_ERROR:
- return (TLS1_AD_DECODE_ERROR);
+ return TLS1_AD_DECODE_ERROR;
case SSL_AD_DECRYPT_ERROR:
- return (TLS1_AD_DECRYPT_ERROR);
+ return TLS1_AD_DECRYPT_ERROR;
case SSL_AD_EXPORT_RESTRICTION:
- return (TLS1_AD_EXPORT_RESTRICTION);
+ return TLS1_AD_EXPORT_RESTRICTION;
case SSL_AD_PROTOCOL_VERSION:
- return (TLS1_AD_PROTOCOL_VERSION);
+ return TLS1_AD_PROTOCOL_VERSION;
case SSL_AD_INSUFFICIENT_SECURITY:
- return (TLS1_AD_INSUFFICIENT_SECURITY);
+ return TLS1_AD_INSUFFICIENT_SECURITY;
case SSL_AD_INTERNAL_ERROR:
- return (TLS1_AD_INTERNAL_ERROR);
+ return TLS1_AD_INTERNAL_ERROR;
case SSL_AD_USER_CANCELLED:
- return (TLS1_AD_USER_CANCELLED);
+ return TLS1_AD_USER_CANCELLED;
case SSL_AD_NO_RENEGOTIATION:
- return (TLS1_AD_NO_RENEGOTIATION);
+ return TLS1_AD_NO_RENEGOTIATION;
case SSL_AD_UNSUPPORTED_EXTENSION:
- return (TLS1_AD_UNSUPPORTED_EXTENSION);
+ return TLS1_AD_UNSUPPORTED_EXTENSION;
case SSL_AD_CERTIFICATE_UNOBTAINABLE:
- return (TLS1_AD_CERTIFICATE_UNOBTAINABLE);
+ return TLS1_AD_CERTIFICATE_UNOBTAINABLE;
case SSL_AD_UNRECOGNIZED_NAME:
- return (TLS1_AD_UNRECOGNIZED_NAME);
+ return TLS1_AD_UNRECOGNIZED_NAME;
case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
- return (TLS1_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);
+ return TLS1_AD_BAD_CERTIFICATE_HASH_VALUE;
case SSL_AD_UNKNOWN_PSK_IDENTITY:
- return (TLS1_AD_UNKNOWN_PSK_IDENTITY);
+ return TLS1_AD_UNKNOWN_PSK_IDENTITY;
case SSL_AD_INAPPROPRIATE_FALLBACK:
- return (TLS1_AD_INAPPROPRIATE_FALLBACK);
+ return TLS1_AD_INAPPROPRIATE_FALLBACK;
+ case SSL_AD_NO_APPLICATION_PROTOCOL:
+ return TLS1_AD_NO_APPLICATION_PROTOCOL;
+ case SSL_AD_CERTIFICATE_REQUIRED:
+ return SSL_AD_HANDSHAKE_FAILURE;
default:
- return (-1);
+ return -1;
}
}