* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
+/* ====================================================================
+ * Copyright (c) 1998-2002 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).
+ *
+ */
#include <stdio.h>
-#include "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,
0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,
0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c };
-#ifndef NO_PROTO
static int ssl3_handshake_mac(SSL *s, EVP_MD_CTX *in_ctx,
- unsigned char *sender, int len, unsigned char *p);
-#else
-static int ssl3_handshake_mac();
-#endif
+ const char *sender, int len, unsigned char *p);
-static void ssl3_generate_key_block(s,km,num)
-SSL *s;
-unsigned char *km;
-int num;
+static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
{
- MD5_CTX m5;
- SHA_CTX s1;
- unsigned char buf[8],smd[SHA_DIGEST_LENGTH];
+ EVP_MD_CTX m5;
+ EVP_MD_CTX s1;
+ unsigned char buf[16],smd[SHA_DIGEST_LENGTH];
unsigned char c='A';
- int i,j,k;
+ unsigned int i,j,k;
+#ifdef CHARSET_EBCDIC
+ c = os_toascii[c]; /*'A' in ASCII */
+#endif
k=0;
- for (i=0; i<num; i+=MD5_DIGEST_LENGTH)
+ EVP_MD_CTX_init(&m5);
+ 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++;
- SHA1_Init( &s1);
- SHA1_Update(&s1,buf,k);
- SHA1_Update(&s1,s->session->master_key,
+ EVP_DigestInit_ex(&s1,EVP_sha1(), NULL);
+ EVP_DigestUpdate(&s1,buf,k);
+ EVP_DigestUpdate(&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);
+ 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);
- MD5_Init( &m5);
- MD5_Update(&m5,s->session->master_key,
+ EVP_DigestInit_ex(&m5,EVP_md5(), NULL);
+ EVP_DigestUpdate(&m5,s->session->master_key,
s->session->master_key_length);
- MD5_Update(&m5,smd,SHA_DIGEST_LENGTH);
- if ((i+MD5_DIGEST_LENGTH) > num)
+ EVP_DigestUpdate(&m5,smd,SHA_DIGEST_LENGTH);
+ if ((int)(i+MD5_DIGEST_LENGTH) > num)
{
- MD5_Final(smd,&m5);
+ EVP_DigestFinal_ex(&m5,smd,NULL);
memcpy(km,smd,(num-i));
}
else
- MD5_Final(km,&m5);
+ EVP_DigestFinal_ex(&m5,km,NULL);
km+=MD5_DIGEST_LENGTH;
}
- memset(smd,0,SHA_DIGEST_LENGTH);
+ OPENSSL_cleanse(smd,SHA_DIGEST_LENGTH);
+ EVP_MD_CTX_cleanup(&m5);
+ EVP_MD_CTX_cleanup(&s1);
+ return 1;
}
-int ssl3_change_cipher_state(s,which)
-SSL *s;
-int which;
+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 exp_iv[EVP_MAX_IV_LENGTH];
unsigned char *ms,*key,*iv,*er1,*er2;
EVP_CIPHER_CTX *dd;
- EVP_CIPHER *c;
+ const EVP_CIPHER *c;
+#ifndef OPENSSL_NO_COMP
COMP_METHOD *comp;
- EVP_MD *m;
- MD5_CTX md;
- int exp,n,i,j,k;
+#endif
+ const EVP_MD *m;
+ EVP_MD_CTX md;
+ int is_exp,n,i,j,k,cl;
+ int reuse_dd = 0;
- exp=(s->s3->tmp.new_cipher->algorithms & SSL_EXPORT)?1:0;
+ is_exp=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
c=s->s3->tmp.new_sym_enc;
m=s->s3->tmp.new_hash;
- comp=s->s3->tmp.new_compression;
+#ifndef OPENSSL_NO_COMP
+ if (s->s3->tmp.new_compression == NULL)
+ comp=NULL;
+ else
+ comp=s->s3->tmp.new_compression->method;
+#endif
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 *)
- Malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
+ if (s->enc_read_ctx != NULL)
+ reuse_dd = 1;
+ else if ((s->enc_read_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)
goto err;
dd= s->enc_read_ctx;
s->read_hash=m;
+#ifndef OPENSSL_NO_COMP
/* COMPRESS */
if (s->expand != NULL)
{
SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR);
goto err2;
}
- s->s3->rrec.comp=(unsigned char *)
- Malloc(SSL3_RT_MAX_PLAIN_LENGTH);
+ 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;
}
+#endif
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 *)
- Malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
+ if (s->enc_write_ctx != NULL)
+ reuse_dd = 1;
+ else if ((s->enc_write_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)
goto err;
dd= s->enc_write_ctx;
s->write_hash=m;
+#ifndef OPENSSL_NO_COMP
/* COMPRESS */
if (s->compress != NULL)
{
goto err2;
}
}
+#endif
memset(&(s->s3->write_sequence[0]),0,8);
mac_secret= &(s->s3->write_mac_secret[0]);
}
+ if (reuse_dd)
+ EVP_CIPHER_CTX_cleanup(dd);
EVP_CIPHER_CTX_init(dd);
p=s->s3->tmp.key_block;
i=EVP_MD_size(m);
- // Should be j=exp?min(5,EVP_CIPHER_key_length(c)):EVP_CIPHER_key_length(c); ?? - Ben 30/12/98
- j=(exp)?5:EVP_CIPHER_key_length(c);
+ 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))
if (n > s->s3->tmp.key_block_length)
{
- SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,ERR_R_INTERNAL_ERROR);
goto err2;
}
+ EVP_MD_CTX_init(&md);
memcpy(mac_secret,ms,i);
- if (exp)
+ 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 :-).
*/
- 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);
+ 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)
{
- MD5_Init(&md);
- MD5_Update(&md,er1,SSL3_RANDOM_SIZE);
- MD5_Update(&md,er2,SSL3_RANDOM_SIZE);
- MD5_Final(&(exp_iv[0]),&md);
+ 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]);
}
}
s->session->key_arg_length=0;
- EVP_CipherInit(dd,c,key,iv,(which & SSL3_CC_WRITE));
+ EVP_CipherInit_ex(dd,c,NULL,key,iv,(which & SSL3_CC_WRITE));
- memset(&(exp_key[0]),0,sizeof(exp_key));
- memset(&(exp_iv[0]),0,sizeof(exp_iv));
+ OPENSSL_cleanse(&(exp_key[0]),sizeof(exp_key));
+ OPENSSL_cleanse(&(exp_iv[0]),sizeof(exp_iv));
+ EVP_MD_CTX_cleanup(&md);
return(1);
err:
SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE);
return(0);
}
-int ssl3_setup_key_block(s)
-SSL *s;
+int ssl3_setup_key_block(SSL *s)
{
unsigned char *p;
- EVP_CIPHER *c;
- EVP_MD *hash;
- int num,exp;
+ 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->cipher,&c,&hash))
+ 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);
s->s3->tmp.new_sym_enc=c;
s->s3->tmp.new_hash=hash;
-#ifdef ZLIB
- s->s3->tmp.new_compression=COMP_zlib();
+#ifdef OPENSSL_NO_COMP
+ s->s3->tmp.new_compression=NULL;
+#else
+ s->s3->tmp.new_compression=comp;
#endif
-/* s->s3->tmp.new_compression=COMP_rle(); */
-/* s->session->compress_meth= xxxxx */
-
- exp=(s->session->cipher->algorithms & SSL_EXPORT)?1:0;
num=EVP_CIPHER_key_length(c)+EVP_MD_size(hash)+EVP_CIPHER_iv_length(c);
num*=2;
ssl3_cleanup_key_block(s);
- if ((p=(unsigned char *)Malloc(num)) == NULL)
+ if ((p=OPENSSL_malloc(num)) == NULL)
goto err;
s->s3->tmp.key_block_length=num;
s->s3->tmp.key_block=p;
- ssl3_generate_key_block(s,p,num);
+ ret = ssl3_generate_key_block(s,p,num);
- return(1);
+ 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;
+
+ if (s->session->cipher != NULL)
+ {
+ if ((s->session->cipher->algorithms & SSL_ENC_MASK) == SSL_eNULL)
+ s->s3->need_empty_fragments = 0;
+
+#ifndef OPENSSL_NO_RC4
+ if ((s->session->cipher->algorithms & SSL_ENC_MASK) == SSL_RC4)
+ s->s3->need_empty_fragments = 0;
+#endif
+ }
+ }
+
+ return ret;
+
err:
SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);
return(0);
}
-void ssl3_cleanup_key_block(s)
-SSL *s;
+void ssl3_cleanup_key_block(SSL *s)
{
if (s->s3->tmp.key_block != NULL)
{
- memset(s->s3->tmp.key_block,0,
+ OPENSSL_cleanse(s->s3->tmp.key_block,
s->s3->tmp.key_block_length);
- Free(s->s3->tmp.key_block);
+ OPENSSL_free(s->s3->tmp.key_block);
s->s3->tmp.key_block=NULL;
}
s->s3->tmp.key_block_length=0;
}
-int ssl3_enc(s,send)
-SSL *s;
-int send;
+int ssl3_enc(SSL *s, int send)
{
SSL3_RECORD *rec;
EVP_CIPHER_CTX *ds;
unsigned long l;
int bs,i;
- EVP_CIPHER *enc;
+ const EVP_CIPHER *enc;
if (send)
{
if ((s->session == NULL) || (ds == NULL) ||
(enc == NULL))
{
- memcpy(rec->data,rec->input,rec->length);
+ memmove(rec->data,rec->input,rec->length);
rec->input=rec->data;
}
else
/* COMPRESS */
- /* This should be using (bs-1) and bs instead of 7 and 8 */
if ((bs != 1) && send)
{
i=bs-((int)l%bs);
rec->length+=i;
rec->input[l-1]=(i-1);
}
-
+
+ if (!send)
+ {
+ if (l == 0 || l%bs != 0)
+ {
+ SSLerr(SSL_F_SSL3_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG);
+ ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPTION_FAILED);
+ return 0;
+ }
+ /* otherwise, rec->length >= bs */
+ }
+
EVP_Cipher(ds,rec->data,rec->input,l);
if ((bs != 1) && !send)
{
i=rec->data[l-1]+1;
+ /* SSL 3.0 bounds the number of padding bytes by the block size;
+ * padding bytes (except the last one) are arbitrary */
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);
+ /* Incorrect padding. SSLerr() and ssl3_alert are done
+ * by caller: we don't want to reveal whether this is
+ * a decryption error or a MAC verification failure
+ * (see http://www.openssl.org/~bodo/tls-cbc.txt) */
+ return -1;
}
+ /* now i <= bs <= rec->length */
rec->length-=i;
}
}
return(1);
}
-void ssl3_init_finished_mac(s)
-SSL *s;
+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);
+ EVP_DigestInit_ex(&(s->s3->finish_dgst1),s->ctx->md5, NULL);
+ EVP_DigestInit_ex(&(s->s3->finish_dgst2),s->ctx->sha1, NULL);
}
-void ssl3_finish_mac(s,buf,len)
-SSL *s;
-unsigned char *buf;
-int len;
+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(s,ctx,p)
-SSL *s;
-EVP_MD_CTX *ctx;
-unsigned char *p;
+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(s,ctx1,ctx2,sender,len,p)
-SSL *s;
-EVP_MD_CTX *ctx1,*ctx2;
-unsigned char *sender;
-int len;
-unsigned char *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;
return(ret);
}
-static int ssl3_handshake_mac(s,in_ctx,sender,len,p)
-SSL *s;
-EVP_MD_CTX *in_ctx;
-unsigned char *sender;
-int len;
-unsigned char *p;
+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 char md_buf[EVP_MAX_MD_SIZE];
EVP_MD_CTX ctx;
- memcpy(&ctx,in_ctx,sizeof(EVP_MD_CTX));
+ EVP_MD_CTX_init(&ctx);
+ EVP_MD_CTX_copy_ex(&ctx,in_ctx);
n=EVP_MD_CTX_size(&ctx);
npad=(48/n)*n;
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_DigestFinal_ex(&ctx,md_buf,&i);
- EVP_DigestInit(&ctx,EVP_MD_CTX_type(&ctx));
+ 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(&ctx,p,&ret);
+ EVP_DigestFinal_ex(&ctx,p,&ret);
- memset(&ctx,0,sizeof(EVP_MD_CTX));
+ EVP_MD_CTX_cleanup(&ctx);
return((int)ret);
}
-int ssl3_mac(ssl,md,send)
-SSL *ssl;
-unsigned char *md;
-int send;
+int ssl3_mac(SSL *ssl, unsigned char *md, int send)
{
SSL3_RECORD *rec;
unsigned char *mac_sec,*seq;
EVP_MD_CTX md_ctx;
- EVP_MD *hash;
+ const EVP_MD *hash;
unsigned char *p,rec_char;
unsigned int md_size;
- int npad,i;
+ int npad;
if (send)
{
npad=(48/md_size)*md_size;
/* Chop the digest off the end :-) */
+ EVP_MD_CTX_init(&md_ctx);
- EVP_DigestInit( &md_ctx,hash);
+ EVP_DigestInit_ex( &md_ctx,hash, NULL);
EVP_DigestUpdate(&md_ctx,mac_sec,md_size);
EVP_DigestUpdate(&md_ctx,ssl3_pad_1,npad);
EVP_DigestUpdate(&md_ctx,seq,8);
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_DigestFinal_ex( &md_ctx,md,NULL);
- EVP_DigestInit( &md_ctx,hash);
+ EVP_DigestInit_ex( &md_ctx,hash, NULL);
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);
+ EVP_DigestFinal_ex( &md_ctx,md,&md_size);
- for (i=7; i>=0; i--)
- if (++seq[i]) break;
+ EVP_MD_CTX_cleanup(&md_ctx);
+ ssl3_record_sequence_update(seq);
return(md_size);
}
-int ssl3_generate_master_secret(s,out,p,len)
-SSL *s;
-unsigned char *out;
-unsigned char *p;
-int len;
+void ssl3_record_sequence_update(unsigned char *seq)
{
- static unsigned char *salt[3]={
- (unsigned char *)"A",
- (unsigned char *)"BB",
- (unsigned char *)"CCC",
+ int i;
+
+ for (i=7; i>=0; i--)
+ {
+ ++seq[i];
+ if (seq[i] != 0) break;
+ }
+ }
+
+int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
+ int len)
+ {
+ static const unsigned char *salt[3]={
+#ifndef CHARSET_EBCDIC
+ (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",
+#endif
};
unsigned char buf[EVP_MAX_MD_SIZE];
EVP_MD_CTX ctx;
int i,ret=0;
unsigned int n;
+ EVP_MD_CTX_init(&ctx);
for (i=0; i<3; i++)
{
- EVP_DigestInit(&ctx,s->ctx->sha1);
- EVP_DigestUpdate(&ctx,salt[i],strlen((char *)salt[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(&ctx,buf,&n);
+ EVP_DigestFinal_ex(&ctx,buf,&n);
- EVP_DigestInit(&ctx,s->ctx->md5);
+ EVP_DigestInit_ex(&ctx,s->ctx->md5, NULL);
EVP_DigestUpdate(&ctx,p,len);
EVP_DigestUpdate(&ctx,buf,n);
- EVP_DigestFinal(&ctx,out,&n);
+ EVP_DigestFinal_ex(&ctx,out,&n);
out+=n;
ret+=n;
}
+ EVP_MD_CTX_cleanup(&ctx);
return(ret);
}
-int ssl3_alert_code(code)
-int code;
+int ssl3_alert_code(int code)
{
switch (code)
{
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_RESTRICION: 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_CANCLED: 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_UNRECOGNIZED_NAME: return(SSL3_AD_HANDSHAKE_FAILURE);
default: return(-1);
}
}
projects / openssl.git / blobdiff