* 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:
* 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
+ * 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
* 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 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.
+ */
#include <stdio.h>
-#include <assert.h>
-#include <openssl/md5.h>
-#include <openssl/sha.h>
-#include <openssl/evp.h>
#include "ssl_locl.h"
+#include <openssl/evp.h>
+#include <openssl/md5.h>
-static unsigned char ssl3_pad_1[48]={
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
- 0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36 };
-
-static unsigned char ssl3_pad_2[48]={
- 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,
- 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,
- 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,
- 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,
- 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,
- 0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c };
-
-static int ssl3_handshake_mac(SSL *s, EVP_MD_CTX *in_ctx,
- const char *sender, int len, unsigned char *p);
-
-static void ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
- {
- MD5_CTX m5;
- SHA_CTX s1;
- unsigned char buf[16],smd[SHA_DIGEST_LENGTH];
- unsigned char c='A';
- int i,j,k;
+static const unsigned char ssl3_pad_1[48] = {
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36
+};
+
+static const unsigned char ssl3_pad_2[48] = {
+ 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
+ 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
+ 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
+ 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
+ 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
+ 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c
+};
+
+static int ssl3_handshake_mac(SSL *s, int md_nid,
+ const char *sender, int len, unsigned char *p);
+static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
+{
+ EVP_MD_CTX m5;
+ EVP_MD_CTX s1;
+ unsigned char buf[16], smd[SHA_DIGEST_LENGTH];
+ unsigned char c = 'A';
+ unsigned int i, j, k;
#ifdef CHARSET_EBCDIC
- c = os_toascii[c]; /*'A' in ASCII */
+ c = os_toascii[c]; /* 'A' in ASCII */
#endif
- k=0;
- for (i=0; i<num; i+=MD5_DIGEST_LENGTH)
- {
- k++;
- /* If this assert is triggered, it means buf needs to be
- resized. This should never be triggered in a release. */
- assert(k <= sizeof(buf));
- for (j=0; j<k; j++)
- buf[j]=c;
- c++;
- SHA1_Init( &s1);
- SHA1_Update(&s1,buf,k);
- SHA1_Update(&s1,s->session->master_key,
- s->session->master_key_length);
- SHA1_Update(&s1,s->s3->server_random,SSL3_RANDOM_SIZE);
- SHA1_Update(&s1,s->s3->client_random,SSL3_RANDOM_SIZE);
- SHA1_Final( smd,&s1);
-
- MD5_Init( &m5);
- MD5_Update(&m5,s->session->master_key,
- s->session->master_key_length);
- MD5_Update(&m5,smd,SHA_DIGEST_LENGTH);
- if ((i+MD5_DIGEST_LENGTH) > num)
- {
- MD5_Final(smd,&m5);
- memcpy(km,smd,(num-i));
- }
- else
- MD5_Final(km,&m5);
-
- km+=MD5_DIGEST_LENGTH;
- }
- memset(smd,0,SHA_DIGEST_LENGTH);
- }
+ k = 0;
+ EVP_MD_CTX_init(&m5);
+ EVP_MD_CTX_set_flags(&m5, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
+ EVP_MD_CTX_init(&s1);
+ for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) {
+ k++;
+ if (k > sizeof buf) {
+ /* bug: 'buf' is too small for this ciphersuite */
+ SSLerr(SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
+
+ for (j = 0; j < k; j++)
+ buf[j] = c;
+ c++;
+ EVP_DigestInit_ex(&s1, EVP_sha1(), NULL);
+ EVP_DigestUpdate(&s1, buf, k);
+ EVP_DigestUpdate(&s1, s->session->master_key,
+ s->session->master_key_length);
+ EVP_DigestUpdate(&s1, s->s3->server_random, SSL3_RANDOM_SIZE);
+ EVP_DigestUpdate(&s1, s->s3->client_random, SSL3_RANDOM_SIZE);
+ EVP_DigestFinal_ex(&s1, smd, NULL);
+
+ EVP_DigestInit_ex(&m5, EVP_md5(), NULL);
+ EVP_DigestUpdate(&m5, s->session->master_key,
+ s->session->master_key_length);
+ EVP_DigestUpdate(&m5, smd, SHA_DIGEST_LENGTH);
+ if ((int)(i + MD5_DIGEST_LENGTH) > num) {
+ EVP_DigestFinal_ex(&m5, smd, NULL);
+ memcpy(km, smd, (num - i));
+ } else
+ EVP_DigestFinal_ex(&m5, km, NULL);
+
+ km += MD5_DIGEST_LENGTH;
+ }
+ OPENSSL_cleanse(smd, sizeof(smd));
+ EVP_MD_CTX_cleanup(&m5);
+ EVP_MD_CTX_cleanup(&s1);
+ return 1;
+}
int ssl3_change_cipher_state(SSL *s, int which)
- {
- unsigned char *p,*key_block,*mac_secret;
- unsigned char exp_key[EVP_MAX_KEY_LENGTH];
- unsigned char exp_iv[EVP_MAX_KEY_LENGTH];
- unsigned char *ms,*key,*iv,*er1,*er2;
- EVP_CIPHER_CTX *dd;
- const EVP_CIPHER *c;
- COMP_METHOD *comp;
- const EVP_MD *m;
- MD5_CTX md;
- int exp,n,i,j,k,cl;
-
- exp=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
- c=s->s3->tmp.new_sym_enc;
- m=s->s3->tmp.new_hash;
- if (s->s3->tmp.new_compression == NULL)
- comp=NULL;
- else
- comp=s->s3->tmp.new_compression->method;
- key_block=s->s3->tmp.key_block;
-
- if (which & SSL3_CC_READ)
- {
- if ((s->enc_read_ctx == NULL) &&
- ((s->enc_read_ctx=(EVP_CIPHER_CTX *)
- OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
- goto err;
- dd= s->enc_read_ctx;
- s->read_hash=m;
- /* COMPRESS */
- if (s->expand != NULL)
- {
- COMP_CTX_free(s->expand);
- s->expand=NULL;
- }
- if (comp != NULL)
- {
- s->expand=COMP_CTX_new(comp);
- if (s->expand == NULL)
- {
- SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR);
- goto err2;
- }
- if (s->s3->rrec.comp == NULL)
- s->s3->rrec.comp=(unsigned char *)
- OPENSSL_malloc(SSL3_RT_MAX_PLAIN_LENGTH);
- if (s->s3->rrec.comp == NULL)
- goto err;
- }
- memset(&(s->s3->read_sequence[0]),0,8);
- mac_secret= &(s->s3->read_mac_secret[0]);
- }
- else
- {
- if ((s->enc_write_ctx == NULL) &&
- ((s->enc_write_ctx=(EVP_CIPHER_CTX *)
- OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
- goto err;
- dd= s->enc_write_ctx;
- s->write_hash=m;
- /* COMPRESS */
- if (s->compress != NULL)
- {
- COMP_CTX_free(s->compress);
- s->compress=NULL;
- }
- if (comp != NULL)
- {
- s->compress=COMP_CTX_new(comp);
- if (s->compress == NULL)
- {
- SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR);
- goto err2;
- }
- }
- memset(&(s->s3->write_sequence[0]),0,8);
- mac_secret= &(s->s3->write_mac_secret[0]);
- }
-
- EVP_CIPHER_CTX_init(dd);
-
- p=s->s3->tmp.key_block;
- i=EVP_MD_size(m);
- cl=EVP_CIPHER_key_length(c);
- j=exp ? (cl < SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher) ?
- cl : SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher)) : cl;
- /* Was j=(exp)?5:EVP_CIPHER_key_length(c); */
- 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;
- er1= &(s->s3->client_random[0]);
- er2= &(s->s3->server_random[0]);
- }
- else
- {
- n=i;
- ms= &(p[ n]); n+=i+j;
- key= &(p[ n]); n+=j+k;
- iv= &(p[ n]); n+=k;
- er1= &(s->s3->server_random[0]);
- er2= &(s->s3->client_random[0]);
- }
-
- if (n > s->s3->tmp.key_block_length)
- {
- SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,ERR_R_INTERNAL_ERROR);
- goto err2;
- }
-
- memcpy(mac_secret,ms,i);
- if (exp)
- {
- /* In here I set both the read and write key/iv to the
- * same value since only the correct one will be used :-).
- */
- MD5_Init(&md);
- MD5_Update(&md,key,j);
- MD5_Update(&md,er1,SSL3_RANDOM_SIZE);
- MD5_Update(&md,er2,SSL3_RANDOM_SIZE);
- MD5_Final(&(exp_key[0]),&md);
- key= &(exp_key[0]);
-
- if (k > 0)
- {
- MD5_Init(&md);
- MD5_Update(&md,er1,SSL3_RANDOM_SIZE);
- MD5_Update(&md,er2,SSL3_RANDOM_SIZE);
- MD5_Final(&(exp_iv[0]),&md);
- iv= &(exp_iv[0]);
- }
- }
-
- s->session->key_arg_length=0;
-
- EVP_CipherInit(dd,c,key,iv,(which & SSL3_CC_WRITE));
-
- memset(&(exp_key[0]),0,sizeof(exp_key));
- memset(&(exp_iv[0]),0,sizeof(exp_iv));
- return(1);
-err:
- SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE);
-err2:
- return(0);
- }
+{
+ unsigned char *p, *mac_secret;
+ unsigned char exp_key[EVP_MAX_KEY_LENGTH];
+ unsigned char exp_iv[EVP_MAX_IV_LENGTH];
+ unsigned char *ms, *key, *iv, *er1, *er2;
+ EVP_CIPHER_CTX *dd;
+ const EVP_CIPHER *c;
+#ifndef OPENSSL_NO_COMP
+ COMP_METHOD *comp;
+#endif
+ const EVP_MD *m;
+ EVP_MD_CTX md;
+ int is_exp, n, i, j, k, cl;
+ int reuse_dd = 0;
+
+ is_exp = SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
+ c = s->s3->tmp.new_sym_enc;
+ m = s->s3->tmp.new_hash;
+ /* m == NULL will lead to a crash later */
+ OPENSSL_assert(m);
+#ifndef OPENSSL_NO_COMP
+ if (s->s3->tmp.new_compression == NULL)
+ comp = NULL;
+ else
+ comp = s->s3->tmp.new_compression->method;
+#endif
+
+ if (which & SSL3_CC_READ) {
+ if (s->enc_read_ctx != NULL)
+ reuse_dd = 1;
+ else if ((s->enc_read_ctx =
+ OPENSSL_malloc(sizeof(*s->enc_read_ctx))) == NULL)
+ goto err;
+ else
+ /*
+ * make sure it's intialized in case we exit later with an error
+ */
+ EVP_CIPHER_CTX_init(s->enc_read_ctx);
+ dd = s->enc_read_ctx;
+
+ if (!ssl_replace_hash(&s->read_hash, m)) {
+ SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
+ goto err2;
+ }
+#ifndef OPENSSL_NO_COMP
+ /* COMPRESS */
+ COMP_CTX_free(s->expand);
+ s->expand = NULL;
+ if (comp != NULL) {
+ s->expand = COMP_CTX_new(comp);
+ if (s->expand == NULL) {
+ SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,
+ SSL_R_COMPRESSION_LIBRARY_ERROR);
+ goto err2;
+ }
+ if (!RECORD_LAYER_setup_comp_buffer(&s->rlayer))
+ goto err;
+ }
+#endif
+ RECORD_LAYER_reset_read_sequence(&s->rlayer);
+ mac_secret = &(s->s3->read_mac_secret[0]);
+ } else {
+ if (s->enc_write_ctx != NULL)
+ reuse_dd = 1;
+ else if ((s->enc_write_ctx =
+ OPENSSL_malloc(sizeof(*s->enc_write_ctx))) == NULL)
+ goto err;
+ else
+ /*
+ * make sure it's intialized in case we exit later with an error
+ */
+ EVP_CIPHER_CTX_init(s->enc_write_ctx);
+ dd = s->enc_write_ctx;
+ if (!ssl_replace_hash(&s->write_hash, m)) {
+ SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
+ goto err2;
+ }
+#ifndef OPENSSL_NO_COMP
+ /* COMPRESS */
+ COMP_CTX_free(s->compress);
+ s->compress = NULL;
+ if (comp != NULL) {
+ s->compress = COMP_CTX_new(comp);
+ if (s->compress == NULL) {
+ SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,
+ SSL_R_COMPRESSION_LIBRARY_ERROR);
+ goto err2;
+ }
+ }
+#endif
+ RECORD_LAYER_reset_write_sequence(&s->rlayer);
+ mac_secret = &(s->s3->write_mac_secret[0]);
+ }
+
+ if (reuse_dd)
+ EVP_CIPHER_CTX_cleanup(dd);
+
+ p = s->s3->tmp.key_block;
+ i = EVP_MD_size(m);
+ if (i < 0)
+ goto err2;
+ cl = EVP_CIPHER_key_length(c);
+ j = is_exp ? (cl < SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher) ?
+ cl : SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher)) : cl;
+ /* Was j=(is_exp)?5:EVP_CIPHER_key_length(c); */
+ 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;
+ er1 = &(s->s3->client_random[0]);
+ er2 = &(s->s3->server_random[0]);
+ } else {
+ n = i;
+ ms = &(p[n]);
+ n += i + j;
+ key = &(p[n]);
+ n += j + k;
+ iv = &(p[n]);
+ n += k;
+ er1 = &(s->s3->server_random[0]);
+ er2 = &(s->s3->client_random[0]);
+ }
+
+ if (n > s->s3->tmp.key_block_length) {
+ SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
+ goto err2;
+ }
+
+ EVP_MD_CTX_init(&md);
+ memcpy(mac_secret, ms, i);
+ if (is_exp) {
+ /*
+ * In here I set both the read and write key/iv to the same value
+ * since only the correct one will be used :-).
+ */
+ EVP_DigestInit_ex(&md, EVP_md5(), NULL);
+ EVP_DigestUpdate(&md, key, j);
+ EVP_DigestUpdate(&md, er1, SSL3_RANDOM_SIZE);
+ EVP_DigestUpdate(&md, er2, SSL3_RANDOM_SIZE);
+ EVP_DigestFinal_ex(&md, &(exp_key[0]), NULL);
+ key = &(exp_key[0]);
+
+ if (k > 0) {
+ EVP_DigestInit_ex(&md, EVP_md5(), NULL);
+ EVP_DigestUpdate(&md, er1, SSL3_RANDOM_SIZE);
+ EVP_DigestUpdate(&md, er2, SSL3_RANDOM_SIZE);
+ EVP_DigestFinal_ex(&md, &(exp_iv[0]), NULL);
+ iv = &(exp_iv[0]);
+ }
+ }
+
+ EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE));
+
+#ifdef OPENSSL_SSL_TRACE_CRYPTO
+ if (s->msg_callback) {
+
+ int wh = which & SSL3_CC_WRITE ?
+ TLS1_RT_CRYPTO_WRITE : TLS1_RT_CRYPTO_READ;
+ s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_MAC,
+ mac_secret, EVP_MD_size(m), 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) {
+ s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_IV,
+ iv, k, s, s->msg_callback_arg);
+ }
+ }
+#endif
+
+ OPENSSL_cleanse(exp_key, sizeof(exp_key));
+ OPENSSL_cleanse(exp_iv, sizeof(exp_iv));
+ EVP_MD_CTX_cleanup(&md);
+ return (1);
+ err:
+ SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE);
+ err2:
+ OPENSSL_cleanse(exp_key, sizeof(exp_key));
+ OPENSSL_cleanse(exp_iv, sizeof(exp_iv));
+ return (0);
+}
int ssl3_setup_key_block(SSL *s)
- {
- unsigned char *p;
- const EVP_CIPHER *c;
- const EVP_MD *hash;
- int num;
- SSL_COMP *comp;
+{
+ unsigned char *p;
+ const EVP_CIPHER *c;
+ const EVP_MD *hash;
+ int num;
+ int ret = 0;
+ SSL_COMP *comp;
+
+ if (s->s3->tmp.key_block_length != 0)
+ return (1);
+
+ if (!ssl_cipher_get_evp(s->session, &c, &hash, NULL, NULL, &comp, 0)) {
+ SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK, SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
+ return (0);
+ }
+
+ s->s3->tmp.new_sym_enc = c;
+ s->s3->tmp.new_hash = hash;
+#ifdef OPENSSL_NO_COMP
+ s->s3->tmp.new_compression = NULL;
+#else
+ s->s3->tmp.new_compression = comp;
+#endif
+
+ num = EVP_MD_size(hash);
+ if (num < 0)
+ return 0;
- if (s->s3->tmp.key_block_length != 0)
- return(1);
+ num = EVP_CIPHER_key_length(c) + num + EVP_CIPHER_iv_length(c);
+ num *= 2;
- if (!ssl_cipher_get_evp(s->session,&c,&hash,&comp))
- {
- SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
- return(0);
- }
+ ssl3_cleanup_key_block(s);
- s->s3->tmp.new_sym_enc=c;
- s->s3->tmp.new_hash=hash;
- s->s3->tmp.new_compression=comp;
+ if ((p = OPENSSL_malloc(num)) == NULL)
+ goto err;
- num=EVP_CIPHER_key_length(c)+EVP_MD_size(hash)+EVP_CIPHER_iv_length(c);
- num*=2;
+ s->s3->tmp.key_block_length = num;
+ s->s3->tmp.key_block = p;
- ssl3_cleanup_key_block(s);
+ ret = ssl3_generate_key_block(s, p, num);
- if ((p=OPENSSL_malloc(num)) == NULL)
- goto err;
+ if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) {
+ /*
+ * enable vulnerability countermeasure for CBC ciphers with known-IV
+ * problem (http://www.openssl.org/~bodo/tls-cbc.txt)
+ */
+ s->s3->need_empty_fragments = 1;
- s->s3->tmp.key_block_length=num;
- s->s3->tmp.key_block=p;
+ if (s->session->cipher != NULL) {
+ if (s->session->cipher->algorithm_enc == SSL_eNULL)
+ s->s3->need_empty_fragments = 0;
- ssl3_generate_key_block(s,p,num);
+#ifndef OPENSSL_NO_RC4
+ if (s->session->cipher->algorithm_enc == SSL_RC4)
+ s->s3->need_empty_fragments = 0;
+#endif
+ }
+ }
- return(1);
-err:
- SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);
- return(0);
- }
+ return ret;
+
+ err:
+ SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
+ return (0);
+}
void ssl3_cleanup_key_block(SSL *s)
- {
- if (s->s3->tmp.key_block != NULL)
- {
- memset(s->s3->tmp.key_block,0,
- s->s3->tmp.key_block_length);
- OPENSSL_free(s->s3->tmp.key_block);
- s->s3->tmp.key_block=NULL;
- }
- s->s3->tmp.key_block_length=0;
- }
-
-int ssl3_enc(SSL *s, int send)
- {
- SSL3_RECORD *rec;
- EVP_CIPHER_CTX *ds;
- unsigned long l;
- int bs,i;
- const EVP_CIPHER *enc;
-
- if (send)
- {
- ds=s->enc_write_ctx;
- rec= &(s->s3->wrec);
- if (s->enc_write_ctx == NULL)
- enc=NULL;
- else
- enc=EVP_CIPHER_CTX_cipher(s->enc_write_ctx);
- }
- else
- {
- ds=s->enc_read_ctx;
- rec= &(s->s3->rrec);
- if (s->enc_read_ctx == NULL)
- enc=NULL;
- else
- enc=EVP_CIPHER_CTX_cipher(s->enc_read_ctx);
- }
-
- if ((s->session == NULL) || (ds == NULL) ||
- (enc == NULL))
- {
- memcpy(rec->data,rec->input,rec->length);
- rec->input=rec->data;
- }
- else
- {
- l=rec->length;
- bs=EVP_CIPHER_block_size(ds->cipher);
-
- /* COMPRESS */
-
- /* This should be using (bs-1) and bs instead of 7 and 8 */
- if ((bs != 1) && send)
- {
- i=bs-((int)l%bs);
-
- /* we need to add 'i-1' padding bytes */
- l+=i;
- rec->length+=i;
- rec->input[l-1]=(i-1);
- }
-
- EVP_Cipher(ds,rec->data,rec->input,l);
-
- if ((bs != 1) && !send)
- {
- i=rec->data[l-1]+1;
- if (i > bs)
- {
- SSLerr(SSL_F_SSL3_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG);
- ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPT_ERROR);
- return(0);
- }
- rec->length-=i;
- }
- }
- return(1);
- }
+{
+ OPENSSL_clear_free(s->s3->tmp.key_block, s->s3->tmp.key_block_length);
+ s->s3->tmp.key_block = NULL;
+ s->s3->tmp.key_block_length = 0;
+}
void ssl3_init_finished_mac(SSL *s)
- {
- EVP_DigestInit(&(s->s3->finish_dgst1),s->ctx->md5);
- EVP_DigestInit(&(s->s3->finish_dgst2),s->ctx->sha1);
- }
+{
+ BIO_free(s->s3->handshake_buffer);
+ if (s->s3->handshake_dgst)
+ ssl3_free_digest_list(s);
+ s->s3->handshake_buffer = BIO_new(BIO_s_mem());
+ (void)BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE);
+}
+
+void ssl3_free_digest_list(SSL *s)
+{
+ int i;
+ if (!s->s3->handshake_dgst)
+ return;
+ for (i = 0; i < SSL_MAX_DIGEST; i++) {
+ if (s->s3->handshake_dgst[i])
+ EVP_MD_CTX_destroy(s->s3->handshake_dgst[i]);
+ }
+ OPENSSL_free(s->s3->handshake_dgst);
+ s->s3->handshake_dgst = NULL;
+}
void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len)
- {
- EVP_DigestUpdate(&(s->s3->finish_dgst1),buf,len);
- EVP_DigestUpdate(&(s->s3->finish_dgst2),buf,len);
- }
-
-int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *ctx, unsigned char *p)
- {
- return(ssl3_handshake_mac(s,ctx,NULL,0,p));
- }
-
-int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2,
- const char *sender, int len, unsigned char *p)
- {
- int ret;
-
- ret=ssl3_handshake_mac(s,ctx1,sender,len,p);
- p+=ret;
- ret+=ssl3_handshake_mac(s,ctx2,sender,len,p);
- return(ret);
- }
-
-static int ssl3_handshake_mac(SSL *s, EVP_MD_CTX *in_ctx,
- const char *sender, int len, unsigned char *p)
- {
- unsigned int ret;
- int npad,n;
- unsigned int i;
- unsigned char md_buf[EVP_MAX_MD_SIZE];
- EVP_MD_CTX ctx;
-
- EVP_MD_CTX_copy(&ctx,in_ctx);
-
- n=EVP_MD_CTX_size(&ctx);
- npad=(48/n)*n;
-
- if (sender != NULL)
- EVP_DigestUpdate(&ctx,sender,len);
- EVP_DigestUpdate(&ctx,s->session->master_key,
- s->session->master_key_length);
- EVP_DigestUpdate(&ctx,ssl3_pad_1,npad);
- EVP_DigestFinal(&ctx,md_buf,&i);
-
- EVP_DigestInit(&ctx,EVP_MD_CTX_md(&ctx));
- EVP_DigestUpdate(&ctx,s->session->master_key,
- s->session->master_key_length);
- EVP_DigestUpdate(&ctx,ssl3_pad_2,npad);
- EVP_DigestUpdate(&ctx,md_buf,i);
- EVP_DigestFinal(&ctx,p,&ret);
-
- memset(&ctx,0,sizeof(EVP_MD_CTX));
-
- return((int)ret);
- }
-
-int ssl3_mac(SSL *ssl, unsigned char *md, int send)
- {
- SSL3_RECORD *rec;
- unsigned char *mac_sec,*seq;
- EVP_MD_CTX md_ctx;
- const EVP_MD *hash;
- unsigned char *p,rec_char;
- unsigned int md_size;
- int npad,i;
-
- if (send)
- {
- rec= &(ssl->s3->wrec);
- mac_sec= &(ssl->s3->write_mac_secret[0]);
- seq= &(ssl->s3->write_sequence[0]);
- hash=ssl->write_hash;
- }
- else
- {
- rec= &(ssl->s3->rrec);
- mac_sec= &(ssl->s3->read_mac_secret[0]);
- seq= &(ssl->s3->read_sequence[0]);
- hash=ssl->read_hash;
- }
-
- md_size=EVP_MD_size(hash);
- npad=(48/md_size)*md_size;
-
- /* Chop the digest off the end :-) */
-
- EVP_DigestInit( &md_ctx,hash);
- EVP_DigestUpdate(&md_ctx,mac_sec,md_size);
- EVP_DigestUpdate(&md_ctx,ssl3_pad_1,npad);
- EVP_DigestUpdate(&md_ctx,seq,8);
- rec_char=rec->type;
- EVP_DigestUpdate(&md_ctx,&rec_char,1);
- p=md;
- s2n(rec->length,p);
- EVP_DigestUpdate(&md_ctx,md,2);
- EVP_DigestUpdate(&md_ctx,rec->input,rec->length);
- EVP_DigestFinal( &md_ctx,md,NULL);
-
- EVP_DigestInit( &md_ctx,hash);
- EVP_DigestUpdate(&md_ctx,mac_sec,md_size);
- EVP_DigestUpdate(&md_ctx,ssl3_pad_2,npad);
- EVP_DigestUpdate(&md_ctx,md,md_size);
- EVP_DigestFinal( &md_ctx,md,&md_size);
-
- for (i=7; i>=0; i--)
- {
- ++seq[i];
- if (seq[i] != 0) break;
- }
-
- return(md_size);
- }
+{
+ if (s->s3->handshake_buffer
+ && !(s->s3->flags & TLS1_FLAGS_KEEP_HANDSHAKE)) {
+ BIO_write(s->s3->handshake_buffer, (void *)buf, len);
+ } else {
+ int i;
+ for (i = 0; i < SSL_MAX_DIGEST; i++) {
+ if (s->s3->handshake_dgst[i] != NULL)
+ EVP_DigestUpdate(s->s3->handshake_dgst[i], buf, len);
+ }
+ }
+}
+
+int ssl3_digest_cached_records(SSL *s)
+{
+ int i;
+ long mask;
+ const EVP_MD *md;
+ long hdatalen;
+ void *hdata;
+
+ /* Allocate handshake_dgst array */
+ ssl3_free_digest_list(s);
+ s->s3->handshake_dgst =
+ OPENSSL_malloc(sizeof(*s->s3->handshake_dgst) * SSL_MAX_DIGEST);
+ if (s->s3->handshake_dgst == NULL) {
+ SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ memset(s->s3->handshake_dgst, 0,
+ sizeof(*s->s3->handshake_dgst) * SSL_MAX_DIGEST);
+ hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);
+ if (hdatalen <= 0) {
+ SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, SSL_R_BAD_HANDSHAKE_LENGTH);
+ return 0;
+ }
+
+ /* Loop through bitso of algorithm2 field and create MD_CTX-es */
+ for (i = 0; ssl_get_handshake_digest(i, &mask, &md); i++) {
+ if ((mask & ssl_get_algorithm2(s)) && md) {
+ s->s3->handshake_dgst[i] = EVP_MD_CTX_create();
+ if (EVP_MD_nid(md) == NID_md5) {
+ EVP_MD_CTX_set_flags(s->s3->handshake_dgst[i],
+ EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
+ }
+ EVP_DigestInit_ex(s->s3->handshake_dgst[i], md, NULL);
+ EVP_DigestUpdate(s->s3->handshake_dgst[i], hdata, hdatalen);
+ } else {
+ s->s3->handshake_dgst[i] = NULL;
+ }
+ }
+ if (!(s->s3->flags & TLS1_FLAGS_KEEP_HANDSHAKE)) {
+ /* Free handshake_buffer BIO */
+ BIO_free(s->s3->handshake_buffer);
+ s->s3->handshake_buffer = NULL;
+ }
+
+ return 1;
+}
+
+int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p)
+{
+ return (ssl3_handshake_mac(s, md_nid, NULL, 0, p));
+}
+
+int ssl3_final_finish_mac(SSL *s,
+ const char *sender, int len, unsigned char *p)
+{
+ int ret, sha1len;
+ ret = ssl3_handshake_mac(s, NID_md5, sender, len, p);
+ if (ret == 0)
+ return 0;
+
+ p += ret;
+
+ sha1len = ssl3_handshake_mac(s, NID_sha1, sender, len, p);
+ if (sha1len == 0)
+ return 0;
+
+ ret += sha1len;
+ return (ret);
+}
+
+static int ssl3_handshake_mac(SSL *s, int md_nid,
+ const char *sender, int len, unsigned char *p)
+{
+ unsigned int ret;
+ int npad, n;
+ unsigned int i;
+ unsigned char md_buf[EVP_MAX_MD_SIZE];
+ EVP_MD_CTX ctx, *d = NULL;
+
+ if (s->s3->handshake_buffer)
+ if (!ssl3_digest_cached_records(s))
+ return 0;
+
+ /*
+ * Search for digest of specified type in the handshake_dgst array
+ */
+ for (i = 0; i < SSL_MAX_DIGEST; i++) {
+ if (s->s3->handshake_dgst[i]
+ && EVP_MD_CTX_type(s->s3->handshake_dgst[i]) == md_nid) {
+ d = s->s3->handshake_dgst[i];
+ break;
+ }
+ }
+ if (!d) {
+ SSLerr(SSL_F_SSL3_HANDSHAKE_MAC, SSL_R_NO_REQUIRED_DIGEST);
+ return 0;
+ }
+ EVP_MD_CTX_init(&ctx);
+ EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
+ EVP_MD_CTX_copy_ex(&ctx, d);
+ n = EVP_MD_CTX_size(&ctx);
+ if (n < 0)
+ return 0;
+
+ npad = (48 / n) * n;
+ if (sender != NULL)
+ EVP_DigestUpdate(&ctx, sender, len);
+ EVP_DigestUpdate(&ctx, s->session->master_key,
+ s->session->master_key_length);
+ EVP_DigestUpdate(&ctx, ssl3_pad_1, npad);
+ EVP_DigestFinal_ex(&ctx, md_buf, &i);
+
+ EVP_DigestInit_ex(&ctx, EVP_MD_CTX_md(&ctx), NULL);
+ EVP_DigestUpdate(&ctx, s->session->master_key,
+ s->session->master_key_length);
+ EVP_DigestUpdate(&ctx, ssl3_pad_2, npad);
+ EVP_DigestUpdate(&ctx, md_buf, i);
+ EVP_DigestFinal_ex(&ctx, p, &ret);
+
+ EVP_MD_CTX_cleanup(&ctx);
+
+ return ((int)ret);
+}
int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
- int len)
- {
- static const unsigned char *salt[3]={
+ int len)
+{
+ static const unsigned char *salt[3] = {
#ifndef CHARSET_EBCDIC
- (const unsigned char *)"A",
- (const unsigned char *)"BB",
- (const unsigned char *)"CCC",
+ (const unsigned char *)"A",
+ (const unsigned char *)"BB",
+ (const unsigned char *)"CCC",
#else
- (const unsigned char *)"\x41",
- (const unsigned char *)"\x42\x42",
- (const unsigned char *)"\x43\x43\x43",
+ (const unsigned char *)"\x41",
+ (const unsigned char *)"\x42\x42",
+ (const unsigned char *)"\x43\x43\x43",
+#endif
+ };
+ unsigned char buf[EVP_MAX_MD_SIZE];
+ EVP_MD_CTX ctx;
+ int i, ret = 0;
+ unsigned int n;
+#ifdef OPENSSL_SSL_TRACE_CRYPTO
+ unsigned char *tmpout = out;
#endif
- };
- unsigned char buf[EVP_MAX_MD_SIZE];
- EVP_MD_CTX ctx;
- int i,ret=0;
- unsigned int n;
-
- for (i=0; i<3; i++)
- {
- EVP_DigestInit(&ctx,s->ctx->sha1);
- EVP_DigestUpdate(&ctx,salt[i],strlen((const char *)salt[i]));
- EVP_DigestUpdate(&ctx,p,len);
- EVP_DigestUpdate(&ctx,&(s->s3->client_random[0]),
- SSL3_RANDOM_SIZE);
- EVP_DigestUpdate(&ctx,&(s->s3->server_random[0]),
- SSL3_RANDOM_SIZE);
- EVP_DigestFinal(&ctx,buf,&n);
-
- EVP_DigestInit(&ctx,s->ctx->md5);
- EVP_DigestUpdate(&ctx,p,len);
- EVP_DigestUpdate(&ctx,buf,n);
- EVP_DigestFinal(&ctx,out,&n);
- out+=n;
- ret+=n;
- }
- return(ret);
- }
-int ssl3_alert_code(int code)
- {
- 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(SSL3_AD_BAD_RECORD_MAC);
- case SSL_AD_RECORD_OVERFLOW: return(SSL3_AD_BAD_RECORD_MAC);
- 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(SSL3_AD_NO_CERTIFICATE);
- 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(SSL3_AD_BAD_CERTIFICATE);
- case SSL_AD_ACCESS_DENIED: return(SSL3_AD_HANDSHAKE_FAILURE);
- case SSL_AD_DECODE_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE);
- case SSL_AD_DECRYPT_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE);
- case SSL_AD_EXPORT_RESTRICTION: return(SSL3_AD_HANDSHAKE_FAILURE);
- case SSL_AD_PROTOCOL_VERSION: return(SSL3_AD_HANDSHAKE_FAILURE);
- case SSL_AD_INSUFFICIENT_SECURITY:return(SSL3_AD_HANDSHAKE_FAILURE);
- case SSL_AD_INTERNAL_ERROR: return(SSL3_AD_HANDSHAKE_FAILURE);
- case SSL_AD_USER_CANCELLED: return(SSL3_AD_HANDSHAKE_FAILURE);
- case SSL_AD_NO_RENEGOTIATION: return(-1); /* Don't send it :-) */
- default: return(-1);
- }
- }
+ EVP_MD_CTX_init(&ctx);
+ for (i = 0; i < 3; i++) {
+ EVP_DigestInit_ex(&ctx, s->ctx->sha1, NULL);
+ EVP_DigestUpdate(&ctx, salt[i], strlen((const char *)salt[i]));
+ EVP_DigestUpdate(&ctx, p, len);
+ EVP_DigestUpdate(&ctx, &(s->s3->client_random[0]), SSL3_RANDOM_SIZE);
+ EVP_DigestUpdate(&ctx, &(s->s3->server_random[0]), SSL3_RANDOM_SIZE);
+ EVP_DigestFinal_ex(&ctx, buf, &n);
+
+ EVP_DigestInit_ex(&ctx, s->ctx->md5, NULL);
+ EVP_DigestUpdate(&ctx, p, len);
+ EVP_DigestUpdate(&ctx, buf, n);
+ EVP_DigestFinal_ex(&ctx, out, &n);
+ out += n;
+ ret += n;
+ }
+ EVP_MD_CTX_cleanup(&ctx);
+
+#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,
+ tmpout, SSL3_MASTER_SECRET_SIZE,
+ s, s->msg_callback_arg);
+ }
+#endif
+ OPENSSL_cleanse(buf, sizeof(buf));
+ return (ret);
+}
+int ssl3_alert_code(int code)
+{
+ 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 (SSL3_AD_BAD_RECORD_MAC);
+ case SSL_AD_RECORD_OVERFLOW:
+ return (SSL3_AD_BAD_RECORD_MAC);
+ 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 (SSL3_AD_NO_CERTIFICATE);
+ 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 (SSL3_AD_BAD_CERTIFICATE);
+ case SSL_AD_ACCESS_DENIED:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_DECODE_ERROR:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_DECRYPT_ERROR:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_EXPORT_RESTRICTION:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_PROTOCOL_VERSION:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_INSUFFICIENT_SECURITY:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_INTERNAL_ERROR:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_USER_CANCELLED:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_NO_RENEGOTIATION:
+ return (-1); /* Don't send it :-) */
+ case SSL_AD_UNSUPPORTED_EXTENSION:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_CERTIFICATE_UNOBTAINABLE:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_UNRECOGNIZED_NAME:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
+ return (SSL3_AD_HANDSHAKE_FAILURE);
+ 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);
+ }
+}
projects / openssl.git / blobdiff