649 lines
18 KiB
C
649 lines
18 KiB
C
/* ssl/t1_enc.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <openssl/comp.h>
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#include <openssl/md5.h>
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#include <openssl/sha.h>
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#include <openssl/evp.h>
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#include <openssl/hmac.h>
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#include "ssl_locl.h"
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static void tls1_P_hash(const EVP_MD *md, const unsigned char *sec,
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int sec_len, unsigned char *seed, int seed_len,
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unsigned char *out, int olen)
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{
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int chunk,n;
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unsigned int j;
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HMAC_CTX ctx;
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HMAC_CTX ctx_tmp;
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unsigned char A1[HMAC_MAX_MD_CBLOCK];
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unsigned int A1_len;
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chunk=EVP_MD_size(md);
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HMAC_Init(&ctx,sec,sec_len,md);
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HMAC_Update(&ctx,seed,seed_len);
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HMAC_Final(&ctx,A1,&A1_len);
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n=0;
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for (;;)
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{
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HMAC_Init(&ctx,NULL,0,NULL); /* re-init */
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HMAC_Update(&ctx,A1,A1_len);
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memcpy(&ctx_tmp,&ctx,sizeof(ctx)); /* Copy for A2 */ /* not needed for last one */
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HMAC_Update(&ctx,seed,seed_len);
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if (olen > chunk)
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{
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HMAC_Final(&ctx,out,&j);
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out+=j;
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olen-=j;
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HMAC_Final(&ctx_tmp,A1,&A1_len); /* calc the next A1 value */
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}
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else /* last one */
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{
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HMAC_Final(&ctx,A1,&A1_len);
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memcpy(out,A1,olen);
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break;
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}
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}
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HMAC_cleanup(&ctx);
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HMAC_cleanup(&ctx_tmp);
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memset(A1,0,sizeof(A1));
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}
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static void tls1_PRF(const EVP_MD *md5, const EVP_MD *sha1,
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unsigned char *label, int label_len,
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const unsigned char *sec, int slen, unsigned char *out1,
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unsigned char *out2, int olen)
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{
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int len,i;
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const unsigned char *S1,*S2;
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len=slen/2;
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S1=sec;
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S2= &(sec[len]);
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len+=(slen&1); /* add for odd, make longer */
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tls1_P_hash(md5 ,S1,len,label,label_len,out1,olen);
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tls1_P_hash(sha1,S2,len,label,label_len,out2,olen);
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for (i=0; i<olen; i++)
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out1[i]^=out2[i];
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}
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static void tls1_generate_key_block(SSL *s, unsigned char *km,
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unsigned char *tmp, int num)
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{
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unsigned char *p;
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unsigned char buf[SSL3_RANDOM_SIZE*2+
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TLS_MD_MAX_CONST_SIZE];
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p=buf;
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memcpy(p,TLS_MD_KEY_EXPANSION_CONST,
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TLS_MD_KEY_EXPANSION_CONST_SIZE);
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p+=TLS_MD_KEY_EXPANSION_CONST_SIZE;
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memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE);
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p+=SSL3_RANDOM_SIZE;
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memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE);
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p+=SSL3_RANDOM_SIZE;
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tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,(int)(p-buf),
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s->session->master_key,s->session->master_key_length,
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km,tmp,num);
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}
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int tls1_change_cipher_state(SSL *s, int which)
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{
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static const unsigned char empty[]="";
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unsigned char *p,*key_block,*mac_secret;
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unsigned char *exp_label,buf[TLS_MD_MAX_CONST_SIZE+
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SSL3_RANDOM_SIZE*2];
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unsigned char tmp1[EVP_MAX_KEY_LENGTH];
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unsigned char tmp2[EVP_MAX_KEY_LENGTH];
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unsigned char iv1[EVP_MAX_IV_LENGTH*2];
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unsigned char iv2[EVP_MAX_IV_LENGTH*2];
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unsigned char *ms,*key,*iv,*er1,*er2;
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int client_write;
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EVP_CIPHER_CTX *dd;
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const EVP_CIPHER *c;
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const SSL_COMP *comp;
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const EVP_MD *m;
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int _exp,n,i,j,k,exp_label_len,cl;
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_exp=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
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c=s->s3->tmp.new_sym_enc;
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m=s->s3->tmp.new_hash;
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comp=s->s3->tmp.new_compression;
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key_block=s->s3->tmp.key_block;
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if (which & SSL3_CC_READ)
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{
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if ((s->enc_read_ctx == NULL) &&
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((s->enc_read_ctx=(EVP_CIPHER_CTX *)
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OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
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goto err;
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dd= s->enc_read_ctx;
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s->read_hash=m;
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if (s->expand != NULL)
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{
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COMP_CTX_free(s->expand);
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s->expand=NULL;
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}
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if (comp != NULL)
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{
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s->expand=COMP_CTX_new(comp->method);
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if (s->expand == NULL)
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{
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SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR);
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goto err2;
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}
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if (s->s3->rrec.comp == NULL)
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s->s3->rrec.comp=(unsigned char *)
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OPENSSL_malloc(SSL3_RT_MAX_ENCRYPTED_LENGTH);
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if (s->s3->rrec.comp == NULL)
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goto err;
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}
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memset(&(s->s3->read_sequence[0]),0,8);
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mac_secret= &(s->s3->read_mac_secret[0]);
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}
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else
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{
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if ((s->enc_write_ctx == NULL) &&
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((s->enc_write_ctx=(EVP_CIPHER_CTX *)
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OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
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goto err;
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dd= s->enc_write_ctx;
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s->write_hash=m;
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if (s->compress != NULL)
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{
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COMP_CTX_free(s->compress);
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s->compress=NULL;
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}
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if (comp != NULL)
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{
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s->compress=COMP_CTX_new(comp->method);
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if (s->compress == NULL)
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{
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SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR);
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goto err2;
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}
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}
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memset(&(s->s3->write_sequence[0]),0,8);
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mac_secret= &(s->s3->write_mac_secret[0]);
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}
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EVP_CIPHER_CTX_init(dd);
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p=s->s3->tmp.key_block;
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i=EVP_MD_size(m);
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cl=EVP_CIPHER_key_length(c);
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j=_exp ? (cl < SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher) ?
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cl : SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher)) : cl;
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/* Was j=(exp)?5:EVP_CIPHER_key_length(c); */
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k=EVP_CIPHER_iv_length(c);
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er1= &(s->s3->client_random[0]);
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er2= &(s->s3->server_random[0]);
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if ( (which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
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(which == SSL3_CHANGE_CIPHER_SERVER_READ))
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{
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ms= &(p[ 0]); n=i+i;
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key= &(p[ n]); n+=j+j;
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iv= &(p[ n]); n+=k+k;
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exp_label=(unsigned char *)TLS_MD_CLIENT_WRITE_KEY_CONST;
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exp_label_len=TLS_MD_CLIENT_WRITE_KEY_CONST_SIZE;
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client_write=1;
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}
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else
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{
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n=i;
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ms= &(p[ n]); n+=i+j;
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key= &(p[ n]); n+=j+k;
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iv= &(p[ n]); n+=k;
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exp_label=(unsigned char *)TLS_MD_SERVER_WRITE_KEY_CONST;
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exp_label_len=TLS_MD_SERVER_WRITE_KEY_CONST_SIZE;
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client_write=0;
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}
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if (n > s->s3->tmp.key_block_length)
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{
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SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,SSL_R_INTERNAL_ERROR);
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goto err2;
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}
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memcpy(mac_secret,ms,i);
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#ifdef TLS_DEBUG
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printf("which = %04X\nmac key=",which);
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{ int z; for (z=0; z<i; z++) printf("%02X%c",ms[z],((z+1)%16)?' ':'\n'); }
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#endif
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if (_exp)
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{
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/* In here I set both the read and write key/iv to the
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* same value since only the correct one will be used :-).
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*/
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p=buf;
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memcpy(p,exp_label,exp_label_len);
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p+=exp_label_len;
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memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE);
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p+=SSL3_RANDOM_SIZE;
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memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE);
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p+=SSL3_RANDOM_SIZE;
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tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,(int)(p-buf),key,j,
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tmp1,tmp2,EVP_CIPHER_key_length(c));
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key=tmp1;
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if (k > 0)
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{
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p=buf;
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memcpy(p,TLS_MD_IV_BLOCK_CONST,
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TLS_MD_IV_BLOCK_CONST_SIZE);
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p+=TLS_MD_IV_BLOCK_CONST_SIZE;
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memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE);
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p+=SSL3_RANDOM_SIZE;
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memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE);
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p+=SSL3_RANDOM_SIZE;
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tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,p-buf,empty,0,
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iv1,iv2,k*2);
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if (client_write)
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iv=iv1;
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else
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iv= &(iv1[k]);
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}
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}
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s->session->key_arg_length=0;
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EVP_CipherInit(dd,c,key,iv,(which & SSL3_CC_WRITE));
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#ifdef TLS_DEBUG
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printf("which = %04X\nkey=",which);
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{ int z; for (z=0; z<EVP_CIPHER_key_length(c); z++) printf("%02X%c",key[z],((z+1)%16)?' ':'\n'); }
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printf("\niv=");
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{ int z; for (z=0; z<k; z++) printf("%02X%c",iv[z],((z+1)%16)?' ':'\n'); }
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printf("\n");
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#endif
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memset(tmp1,0,sizeof(tmp1));
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memset(tmp2,0,sizeof(tmp1));
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memset(iv1,0,sizeof(iv1));
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memset(iv2,0,sizeof(iv2));
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return(1);
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err:
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SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE);
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err2:
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return(0);
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}
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int tls1_setup_key_block(SSL *s)
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{
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unsigned char *p1,*p2;
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const EVP_CIPHER *c;
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const EVP_MD *hash;
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int num;
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SSL_COMP *comp;
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if (s->s3->tmp.key_block_length != 0)
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return(1);
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if (!ssl_cipher_get_evp(s->session,&c,&hash,&comp))
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{
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SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
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return(0);
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}
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s->s3->tmp.new_sym_enc=c;
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s->s3->tmp.new_hash=hash;
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num=EVP_CIPHER_key_length(c)+EVP_MD_size(hash)+EVP_CIPHER_iv_length(c);
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num*=2;
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ssl3_cleanup_key_block(s);
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if ((p1=(unsigned char *)OPENSSL_malloc(num)) == NULL)
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goto err;
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if ((p2=(unsigned char *)OPENSSL_malloc(num)) == NULL)
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goto err;
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s->s3->tmp.key_block_length=num;
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s->s3->tmp.key_block=p1;
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#ifdef TLS_DEBUG
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printf("client random\n");
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{ int z; for (z=0; z<SSL3_RANDOM_SIZE; z++) printf("%02X%c",s->s3->client_random[z],((z+1)%16)?' ':'\n'); }
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printf("server random\n");
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{ int z; for (z=0; z<SSL3_RANDOM_SIZE; z++) printf("%02X%c",s->s3->server_random[z],((z+1)%16)?' ':'\n'); }
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printf("pre-master\n");
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{ int z; for (z=0; z<s->session->master_key_length; z++) printf("%02X%c",s->session->master_key[z],((z+1)%16)?' ':'\n'); }
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#endif
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tls1_generate_key_block(s,p1,p2,num);
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memset(p2,0,num);
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OPENSSL_free(p2);
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#ifdef TLS_DEBUG
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printf("\nkey block\n");
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{ int z; for (z=0; z<num; z++) printf("%02X%c",p1[z],((z+1)%16)?' ':'\n'); }
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#endif
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return(1);
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err:
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SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);
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return(0);
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}
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int tls1_enc(SSL *s, int send)
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{
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SSL3_RECORD *rec;
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EVP_CIPHER_CTX *ds;
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unsigned long l;
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int bs,i,ii,j,k,n=0;
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const EVP_CIPHER *enc;
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if (send)
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{
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if (s->write_hash != NULL)
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n=EVP_MD_size(s->write_hash);
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ds=s->enc_write_ctx;
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rec= &(s->s3->wrec);
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if (s->enc_write_ctx == NULL)
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enc=NULL;
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else
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enc=EVP_CIPHER_CTX_cipher(s->enc_write_ctx);
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}
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else
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{
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if (s->read_hash != NULL)
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n=EVP_MD_size(s->read_hash);
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ds=s->enc_read_ctx;
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rec= &(s->s3->rrec);
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if (s->enc_read_ctx == NULL)
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enc=NULL;
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else
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enc=EVP_CIPHER_CTX_cipher(s->enc_read_ctx);
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}
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if ((s->session == NULL) || (ds == NULL) ||
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(enc == NULL))
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{
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memmove(rec->data,rec->input,rec->length);
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rec->input=rec->data;
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}
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else
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{
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l=rec->length;
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bs=EVP_CIPHER_block_size(ds->cipher);
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if ((bs != 1) && send)
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{
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i=bs-((int)l%bs);
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/* Add weird padding of upto 256 bytes */
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/* we need to add 'i' padding bytes of value j */
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j=i-1;
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if (s->options & SSL_OP_TLS_BLOCK_PADDING_BUG)
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{
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if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG)
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j++;
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}
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for (k=(int)l; k<(int)(l+i); k++)
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rec->input[k]=j;
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l+=i;
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rec->length+=i;
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}
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if (!send)
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{
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if (l == 0 || l%bs != 0)
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{
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SSLerr(SSL_F_TLS1_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG);
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ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPT_ERROR);
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return(0);
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}
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}
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EVP_Cipher(ds,rec->data,rec->input,l);
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|
|
if ((bs != 1) && !send)
|
|
{
|
|
ii=i=rec->data[l-1]; /* padding_length */
|
|
i++;
|
|
if (s->options&SSL_OP_TLS_BLOCK_PADDING_BUG)
|
|
{
|
|
/* First packet is even in size, so check */
|
|
if ((memcmp(s->s3->read_sequence,
|
|
"\0\0\0\0\0\0\0\0",8) == 0) && !(ii & 1))
|
|
s->s3->flags|=TLS1_FLAGS_TLS_PADDING_BUG;
|
|
if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG)
|
|
i--;
|
|
}
|
|
/* TLS 1.0 does not bound the number of padding bytes by the block size.
|
|
* All of them must have value 'padding_length'. */
|
|
if (i > (int)rec->length)
|
|
{
|
|
SSLerr(SSL_F_TLS1_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG);
|
|
ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPTION_FAILED);
|
|
return(0);
|
|
}
|
|
for (j=(int)(l-i); j<(int)l; j++)
|
|
{
|
|
if (rec->data[j] != ii)
|
|
{
|
|
SSLerr(SSL_F_TLS1_ENC,SSL_R_DECRYPTION_FAILED);
|
|
ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPTION_FAILED);
|
|
return(0);
|
|
}
|
|
}
|
|
rec->length-=i;
|
|
}
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in_ctx, unsigned char *out)
|
|
{
|
|
unsigned int ret;
|
|
EVP_MD_CTX ctx;
|
|
|
|
EVP_MD_CTX_copy(&ctx,in_ctx);
|
|
EVP_DigestFinal(&ctx,out,&ret);
|
|
return((int)ret);
|
|
}
|
|
|
|
int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx,
|
|
const char *str, int slen, unsigned char *out)
|
|
{
|
|
unsigned int i;
|
|
EVP_MD_CTX ctx;
|
|
unsigned char buf[TLS_MD_MAX_CONST_SIZE+MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH];
|
|
unsigned char *q,buf2[12];
|
|
|
|
q=buf;
|
|
memcpy(q,str,slen);
|
|
q+=slen;
|
|
|
|
EVP_MD_CTX_copy(&ctx,in1_ctx);
|
|
EVP_DigestFinal(&ctx,q,&i);
|
|
q+=i;
|
|
EVP_MD_CTX_copy(&ctx,in2_ctx);
|
|
EVP_DigestFinal(&ctx,q,&i);
|
|
q+=i;
|
|
|
|
tls1_PRF(s->ctx->md5,s->ctx->sha1,buf,(int)(q-buf),
|
|
s->session->master_key,s->session->master_key_length,
|
|
out,buf2,12);
|
|
memset(&ctx,0,sizeof(EVP_MD_CTX));
|
|
|
|
return((int)12);
|
|
}
|
|
|
|
int tls1_mac(SSL *ssl, unsigned char *md, int send)
|
|
{
|
|
SSL3_RECORD *rec;
|
|
unsigned char *mac_sec,*seq;
|
|
const EVP_MD *hash;
|
|
unsigned int md_size;
|
|
int i;
|
|
HMAC_CTX hmac;
|
|
unsigned char buf[5];
|
|
|
|
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);
|
|
|
|
buf[0]=rec->type;
|
|
buf[1]=TLS1_VERSION_MAJOR;
|
|
buf[2]=TLS1_VERSION_MINOR;
|
|
buf[3]=rec->length>>8;
|
|
buf[4]=rec->length&0xff;
|
|
|
|
/* I should fix this up TLS TLS TLS TLS TLS XXXXXXXX */
|
|
HMAC_Init(&hmac,mac_sec,EVP_MD_size(hash),hash);
|
|
HMAC_Update(&hmac,seq,8);
|
|
HMAC_Update(&hmac,buf,5);
|
|
HMAC_Update(&hmac,rec->input,rec->length);
|
|
HMAC_Final(&hmac,md,&md_size);
|
|
|
|
#ifdef TLS_DEBUG
|
|
printf("sec=");
|
|
{unsigned int z; for (z=0; z<md_size; z++) printf("%02X ",mac_sec[z]); printf("\n"); }
|
|
printf("seq=");
|
|
{int z; for (z=0; z<8; z++) printf("%02X ",seq[z]); printf("\n"); }
|
|
printf("buf=");
|
|
{int z; for (z=0; z<5; z++) printf("%02X ",buf[z]); printf("\n"); }
|
|
printf("rec=");
|
|
{unsigned int z; for (z=0; z<rec->length; z++) printf("%02X ",buf[z]); printf("\n"); }
|
|
#endif
|
|
|
|
for (i=7; i>=0; i--)
|
|
{
|
|
++seq[i];
|
|
if (seq[i] != 0) break;
|
|
}
|
|
|
|
#ifdef TLS_DEBUG
|
|
{unsigned int z; for (z=0; z<md_size; z++) printf("%02X ",md[z]); printf("\n"); }
|
|
#endif
|
|
return(md_size);
|
|
}
|
|
|
|
int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
|
|
int len)
|
|
{
|
|
unsigned char buf[SSL3_RANDOM_SIZE*2+TLS_MD_MASTER_SECRET_CONST_SIZE];
|
|
unsigned char buff[SSL_MAX_MASTER_KEY_LENGTH];
|
|
|
|
/* Setup the stuff to munge */
|
|
memcpy(buf,TLS_MD_MASTER_SECRET_CONST,
|
|
TLS_MD_MASTER_SECRET_CONST_SIZE);
|
|
memcpy(&(buf[TLS_MD_MASTER_SECRET_CONST_SIZE]),
|
|
s->s3->client_random,SSL3_RANDOM_SIZE);
|
|
memcpy(&(buf[SSL3_RANDOM_SIZE+TLS_MD_MASTER_SECRET_CONST_SIZE]),
|
|
s->s3->server_random,SSL3_RANDOM_SIZE);
|
|
tls1_PRF(s->ctx->md5,s->ctx->sha1,
|
|
buf,TLS_MD_MASTER_SECRET_CONST_SIZE+SSL3_RANDOM_SIZE*2,p,len,
|
|
s->session->master_key,buff,SSL3_MASTER_SECRET_SIZE);
|
|
return(SSL3_MASTER_SECRET_SIZE);
|
|
}
|
|
|
|
int tls1_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(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);
|
|
default: return(-1);
|
|
}
|
|
}
|
|
|