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/* ssl/t1_enc.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/* ====================================================================
* Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/* ====================================================================
* Copyright 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 "ssl_locl.h"
#ifndef OPENSSL_NO_COMP
#include <openssl/comp.h>
#endif
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/md5.h>
#include <openssl/rand.h>
#ifdef KSSL_DEBUG
#include <openssl/des.h>
#endif
/* seed1 through seed5 are virtually concatenated */
static int tls1_P_hash(const EVP_MD *md, const unsigned char *sec,
int sec_len,
const void *seed1, int seed1_len,
const void *seed2, int seed2_len,
const void *seed3, int seed3_len,
const void *seed4, int seed4_len,
const void *seed5, int seed5_len,
unsigned char *out, int olen)
{
int chunk;
size_t j;
EVP_MD_CTX ctx, ctx_tmp;
EVP_PKEY *mac_key;
unsigned char A1[EVP_MAX_MD_SIZE];
size_t A1_len;
int ret = 0;
chunk=EVP_MD_size(md);
OPENSSL_assert(chunk >= 0);
EVP_MD_CTX_init(&ctx);
EVP_MD_CTX_init(&ctx_tmp);
EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
EVP_MD_CTX_set_flags(&ctx_tmp, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
mac_key = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL, sec, sec_len);
if (!mac_key)
goto err;
if (!EVP_DigestSignInit(&ctx,NULL,md, NULL, mac_key))
goto err;
if (!EVP_DigestSignInit(&ctx_tmp,NULL,md, NULL, mac_key))
goto err;
if (seed1 && !EVP_DigestSignUpdate(&ctx,seed1,seed1_len))
goto err;
if (seed2 && !EVP_DigestSignUpdate(&ctx,seed2,seed2_len))
goto err;
if (seed3 && !EVP_DigestSignUpdate(&ctx,seed3,seed3_len))
goto err;
if (seed4 && !EVP_DigestSignUpdate(&ctx,seed4,seed4_len))
goto err;
if (seed5 && !EVP_DigestSignUpdate(&ctx,seed5,seed5_len))
goto err;
if (!EVP_DigestSignFinal(&ctx,A1,&A1_len))
goto err;
for (;;)
{
/* Reinit mac contexts */
if (!EVP_DigestSignInit(&ctx,NULL,md, NULL, mac_key))
goto err;
if (!EVP_DigestSignInit(&ctx_tmp,NULL,md, NULL, mac_key))
goto err;
if (!EVP_DigestSignUpdate(&ctx,A1,A1_len))
goto err;
if (!EVP_DigestSignUpdate(&ctx_tmp,A1,A1_len))
goto err;
if (seed1 && !EVP_DigestSignUpdate(&ctx,seed1,seed1_len))
goto err;
if (seed2 && !EVP_DigestSignUpdate(&ctx,seed2,seed2_len))
goto err;
if (seed3 && !EVP_DigestSignUpdate(&ctx,seed3,seed3_len))
goto err;
if (seed4 && !EVP_DigestSignUpdate(&ctx,seed4,seed4_len))
goto err;
if (seed5 && !EVP_DigestSignUpdate(&ctx,seed5,seed5_len))
goto err;
if (olen > chunk)
{
if (!EVP_DigestSignFinal(&ctx,out,&j))
goto err;
out+=j;
olen-=j;
/* calc the next A1 value */
if (!EVP_DigestSignFinal(&ctx_tmp,A1,&A1_len))
goto err;
}
else /* last one */
{
if (!EVP_DigestSignFinal(&ctx,A1,&A1_len))
goto err;
memcpy(out,A1,olen);
break;
}
}
ret = 1;
err:
EVP_PKEY_free(mac_key);
EVP_MD_CTX_cleanup(&ctx);
EVP_MD_CTX_cleanup(&ctx_tmp);
OPENSSL_cleanse(A1,sizeof(A1));
return ret;
}
/* seed1 through seed5 are virtually concatenated */
static int tls1_PRF(long digest_mask,
const void *seed1, int seed1_len,
const void *seed2, int seed2_len,
const void *seed3, int seed3_len,
const void *seed4, int seed4_len,
const void *seed5, int seed5_len,
const unsigned char *sec, int slen,
unsigned char *out1,
unsigned char *out2, int olen)
{
int len,i,idx,count;
const unsigned char *S1;
long m;
const EVP_MD *md;
int ret = 0;
/* Count number of digests and partition sec evenly */
count=0;
for (idx=0;ssl_get_handshake_digest(idx,&m,&md);idx++) {
if ((m<<TLS1_PRF_DGST_SHIFT) & digest_mask) count++;
}
len=slen/count;
if (count == 1)
slen = 0;
S1=sec;
memset(out1,0,olen);
for (idx=0;ssl_get_handshake_digest(idx,&m,&md);idx++) {
if ((m<<TLS1_PRF_DGST_SHIFT) & digest_mask) {
if (!md) {
SSLerr(SSL_F_TLS1_PRF,
SSL_R_UNSUPPORTED_DIGEST_TYPE);
goto err;
}
if (!tls1_P_hash(md ,S1,len+(slen&1),
seed1,seed1_len,seed2,seed2_len,seed3,seed3_len,seed4,seed4_len,seed5,seed5_len,
out2,olen))
goto err;
S1+=len;
for (i=0; i<olen; i++)
{
out1[i]^=out2[i];
}
}
}
ret = 1;
err:
return ret;
}
static int tls1_generate_key_block(SSL *s, unsigned char *km,
unsigned char *tmp, int num)
{
int ret;
ret = tls1_PRF(ssl_get_algorithm2(s),
TLS_MD_KEY_EXPANSION_CONST,TLS_MD_KEY_EXPANSION_CONST_SIZE,
s->s3->server_random,SSL3_RANDOM_SIZE,
s->s3->client_random,SSL3_RANDOM_SIZE,
NULL,0,NULL,0,
s->session->master_key,s->session->master_key_length,
km,tmp,num);
#ifdef KSSL_DEBUG
printf("tls1_generate_key_block() ==> %d byte master_key =\n\t",
s->session->master_key_length);
{
int i;
for (i=0; i < s->session->master_key_length; i++)
{
printf("%02X", s->session->master_key[i]);
}
printf("\n"); }
#endif /* KSSL_DEBUG */
return ret;
}
int tls1_change_cipher_state(SSL *s, int which)
{
static const unsigned char empty[]="";
unsigned char *p,*mac_secret;
unsigned char *exp_label;
unsigned char tmp1[EVP_MAX_KEY_LENGTH];
unsigned char tmp2[EVP_MAX_KEY_LENGTH];
unsigned char iv1[EVP_MAX_IV_LENGTH*2];
unsigned char iv2[EVP_MAX_IV_LENGTH*2];
unsigned char *ms,*key,*iv;
int client_write;
EVP_CIPHER_CTX *dd;
const EVP_CIPHER *c;
#ifndef OPENSSL_NO_COMP
const SSL_COMP *comp;
#endif
const EVP_MD *m;
int mac_type;
int *mac_secret_size;
EVP_MD_CTX *mac_ctx;
EVP_PKEY *mac_key;
int is_export,n,i,j,k,exp_label_len,cl;
int reuse_dd = 0;
is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
c=s->s3->tmp.new_sym_enc;
m=s->s3->tmp.new_hash;
mac_type = s->s3->tmp.new_mac_pkey_type;
#ifndef OPENSSL_NO_COMP
comp=s->s3->tmp.new_compression;
#endif
#ifdef KSSL_DEBUG
printf("tls1_change_cipher_state(which= %d) w/\n", which);
printf("\talg= %ld/%ld, comp= %p\n",
s->s3->tmp.new_cipher->algorithm_mkey,
s->s3->tmp.new_cipher->algorithm_auth,
comp);
printf("\tevp_cipher == %p ==? &d_cbc_ede_cipher3\n", c);
printf("\tevp_cipher: nid, blksz= %d, %d, keylen=%d, ivlen=%d\n",
c->nid,c->block_size,c->key_len,c->iv_len);
printf("\tkey_block: len= %d, data= ", s->s3->tmp.key_block_length);
{
int i;
for (i=0; i<s->s3->tmp.key_block_length; i++)
printf("%02x", s->s3->tmp.key_block[i]); printf("\n");
}
#endif /* KSSL_DEBUG */
if (which & SSL3_CC_READ)
{
if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM;
else
s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM;
if (s->enc_read_ctx != NULL)
reuse_dd = 1;
else if ((s->enc_read_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_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;
mac_ctx=ssl_replace_hash(&s->read_hash,NULL);
#ifndef OPENSSL_NO_COMP
if (s->expand != NULL)
{
COMP_CTX_free(s->expand);
s->expand=NULL;
}
if (comp != NULL)
{
s->expand=COMP_CTX_new(comp->method);
if (s->expand == NULL)
{
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR);
goto err2;
}
if (s->s3->rrec.comp == NULL)
s->s3->rrec.comp=(unsigned char *)
OPENSSL_malloc(SSL3_RT_MAX_ENCRYPTED_LENGTH);
if (s->s3->rrec.comp == NULL)
goto err;
}
#endif
/* this is done by dtls1_reset_seq_numbers for DTLS1_VERSION */
if (s->version != DTLS1_VERSION)
memset(&(s->s3->read_sequence[0]),0,8);
mac_secret= &(s->s3->read_mac_secret[0]);
mac_secret_size=&(s->s3->read_mac_secret_size);
}
else
{
if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM;
else
s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM;
if (s->enc_write_ctx != NULL && !SSL_IS_DTLS(s))
reuse_dd = 1;
else if ((s->enc_write_ctx=EVP_CIPHER_CTX_new()) == NULL)
goto err;
dd= s->enc_write_ctx;
if (SSL_IS_DTLS(s))
{
mac_ctx = EVP_MD_CTX_create();
if (!mac_ctx)
goto err;
s->write_hash = mac_ctx;
}
else
mac_ctx = ssl_replace_hash(&s->write_hash,NULL);
#ifndef OPENSSL_NO_COMP
if (s->compress != NULL)
{
COMP_CTX_free(s->compress);
s->compress=NULL;
}
if (comp != NULL)
{
s->compress=COMP_CTX_new(comp->method);
if (s->compress == NULL)
{
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR);
goto err2;
}
}
#endif
/* this is done by dtls1_reset_seq_numbers for DTLS1_VERSION */
if (s->version != DTLS1_VERSION)
memset(&(s->s3->write_sequence[0]),0,8);
mac_secret= &(s->s3->write_mac_secret[0]);
mac_secret_size = &(s->s3->write_mac_secret_size);
}
if (reuse_dd)
EVP_CIPHER_CTX_cleanup(dd);
p=s->s3->tmp.key_block;
i=*mac_secret_size=s->s3->tmp.new_mac_secret_size;
cl=EVP_CIPHER_key_length(c);
j=is_export ? (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); */
/* If GCM mode only part of IV comes from PRF */
if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE)
k = EVP_GCM_TLS_FIXED_IV_LEN;
else
k=EVP_CIPHER_iv_length(c);
if ( (which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
(which == SSL3_CHANGE_CIPHER_SERVER_READ))
{
ms= &(p[ 0]); n=i+i;
key= &(p[ n]); n+=j+j;
iv= &(p[ n]); n+=k+k;
exp_label=(unsigned char *)TLS_MD_CLIENT_WRITE_KEY_CONST;
exp_label_len=TLS_MD_CLIENT_WRITE_KEY_CONST_SIZE;
client_write=1;
}
else
{
n=i;
ms= &(p[ n]); n+=i+j;
key= &(p[ n]); n+=j+k;
iv= &(p[ n]); n+=k;
exp_label=(unsigned char *)TLS_MD_SERVER_WRITE_KEY_CONST;
exp_label_len=TLS_MD_SERVER_WRITE_KEY_CONST_SIZE;
client_write=0;
}
if (n > s->s3->tmp.key_block_length)
{
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,ERR_R_INTERNAL_ERROR);
goto err2;
}
memcpy(mac_secret,ms,i);
if (!(EVP_CIPHER_flags(c)&EVP_CIPH_FLAG_AEAD_CIPHER))
{
mac_key = EVP_PKEY_new_mac_key(mac_type, NULL,
mac_secret,*mac_secret_size);
EVP_DigestSignInit(mac_ctx,NULL,m,NULL,mac_key);
EVP_PKEY_free(mac_key);
}
#ifdef TLS_DEBUG
printf("which = %04X\nmac key=",which);
{ int z; for (z=0; z<i; z++) printf("%02X%c",ms[z],((z+1)%16)?' ':'\n'); }
#endif
if (is_export)
{
/* In here I set both the read and write key/iv to the
* same value since only the correct one will be used :-).
*/
if (!tls1_PRF(ssl_get_algorithm2(s),
exp_label,exp_label_len,
s->s3->client_random,SSL3_RANDOM_SIZE,
s->s3->server_random,SSL3_RANDOM_SIZE,
NULL,0,NULL,0,
key,j,tmp1,tmp2,EVP_CIPHER_key_length(c)))
goto err2;
key=tmp1;
if (k > 0)
{
if (!tls1_PRF(ssl_get_algorithm2(s),
TLS_MD_IV_BLOCK_CONST,TLS_MD_IV_BLOCK_CONST_SIZE,
s->s3->client_random,SSL3_RANDOM_SIZE,
s->s3->server_random,SSL3_RANDOM_SIZE,
NULL,0,NULL,0,
empty,0,iv1,iv2,k*2))
goto err2;
if (client_write)
iv=iv1;
else
iv= &(iv1[k]);
}
}
s->session->key_arg_length=0;
#ifdef KSSL_DEBUG
{
int i;
printf("EVP_CipherInit_ex(dd,c,key=,iv=,which)\n");
printf("\tkey= "); for (i=0; i<c->key_len; i++) printf("%02x", key[i]);
printf("\n");
printf("\t iv= "); for (i=0; i<c->iv_len; i++) printf("%02x", iv[i]);
printf("\n");
}
#endif /* KSSL_DEBUG */
if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE)
{
EVP_CipherInit_ex(dd,c,NULL,key,NULL,(which & SSL3_CC_WRITE));
EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_GCM_SET_IV_FIXED, k, iv);
}
else
EVP_CipherInit_ex(dd,c,NULL,key,iv,(which & SSL3_CC_WRITE));
/* Needed for "composite" AEADs, such as RC4-HMAC-MD5 */
if ((EVP_CIPHER_flags(c)&EVP_CIPH_FLAG_AEAD_CIPHER) && *mac_secret_size)
EVP_CIPHER_CTX_ctrl(dd,EVP_CTRL_AEAD_SET_MAC_KEY,
*mac_secret_size,mac_secret);
#ifdef TLS_DEBUG
printf("which = %04X\nkey=",which);
{ int z; for (z=0; z<EVP_CIPHER_key_length(c); z++) printf("%02X%c",key[z],((z+1)%16)?' ':'\n'); }
printf("\niv=");
{ int z; for (z=0; z<k; z++) printf("%02X%c",iv[z],((z+1)%16)?' ':'\n'); }
printf("\n");
#endif
OPENSSL_cleanse(tmp1,sizeof(tmp1));
OPENSSL_cleanse(tmp2,sizeof(tmp1));
OPENSSL_cleanse(iv1,sizeof(iv1));
OPENSSL_cleanse(iv2,sizeof(iv2));
return(1);
err:
SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE);
err2:
return(0);
}
int tls1_setup_key_block(SSL *s)
{
unsigned char *p1,*p2=NULL;
const EVP_CIPHER *c;
const EVP_MD *hash;
int num;
SSL_COMP *comp;
int mac_type= NID_undef,mac_secret_size=0;
int ret=0;
#ifdef KSSL_DEBUG
printf ("tls1_setup_key_block()\n");
#endif /* KSSL_DEBUG */
if (s->s3->tmp.key_block_length != 0)
return(1);
if (!ssl_cipher_get_evp(s->session,&c,&hash,&mac_type,&mac_secret_size,&comp))
{
SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
return(0);
}
s->s3->tmp.new_sym_enc=c;
s->s3->tmp.new_hash=hash;
s->s3->tmp.new_mac_pkey_type = mac_type;
s->s3->tmp.new_mac_secret_size = mac_secret_size;
num=EVP_CIPHER_key_length(c)+mac_secret_size+EVP_CIPHER_iv_length(c);
num*=2;
ssl3_cleanup_key_block(s);
if ((p1=(unsigned char *)OPENSSL_malloc(num)) == NULL)
{
SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);
goto err;
}
s->s3->tmp.key_block_length=num;
s->s3->tmp.key_block=p1;
if ((p2=(unsigned char *)OPENSSL_malloc(num)) == NULL)
{
SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);
goto err;
}
#ifdef TLS_DEBUG
printf("client random\n");
{ int z; for (z=0; z<SSL3_RANDOM_SIZE; z++) printf("%02X%c",s->s3->client_random[z],((z+1)%16)?' ':'\n'); }
printf("server random\n");
{ int z; for (z=0; z<SSL3_RANDOM_SIZE; z++) printf("%02X%c",s->s3->server_random[z],((z+1)%16)?' ':'\n'); }
printf("pre-master\n");
{ int z; for (z=0; z<s->session->master_key_length; z++) printf("%02X%c",s->session->master_key[z],((z+1)%16)?' ':'\n'); }
#endif
if (!tls1_generate_key_block(s,p1,p2,num))
goto err;
#ifdef TLS_DEBUG
printf("\nkey block\n");
{ int z; for (z=0; z<num; z++) printf("%02X%c",p1[z],((z+1)%16)?' ':'\n'); }
#endif
if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)
&& s->method->version <= TLS1_VERSION)
{
/* enable vulnerability countermeasure for CBC ciphers with
* known-IV problem (http://www.openssl.org/~bodo/tls-cbc.txt)
*/
s->s3->need_empty_fragments = 1;
if (s->session->cipher != NULL)
{
if (s->session->cipher->algorithm_enc == SSL_eNULL)
s->s3->need_empty_fragments = 0;
#ifndef OPENSSL_NO_RC4
if (s->session->cipher->algorithm_enc == SSL_RC4)
s->s3->need_empty_fragments = 0;
#endif
}
}
ret = 1;
err:
if (p2)
{
OPENSSL_cleanse(p2,num);
OPENSSL_free(p2);
}
return(ret);
}
/* tls1_enc encrypts/decrypts the record in |s->wrec| / |s->rrec|, respectively.
*
* Returns:
* 0: (in non-constant time) if the record is publically invalid (i.e. too
* short etc).
* 1: if the record's padding is valid / the encryption was successful.
* -1: if the record's padding/AEAD-authenticator is invalid or, if sending,
* an internal error occured.
*/
int tls1_enc(SSL *s, int send)
{
SSL3_RECORD *rec;
EVP_CIPHER_CTX *ds;
unsigned long l;
int bs,i,j,k,pad=0,ret,mac_size=0;
const EVP_CIPHER *enc;
if (send)
{
if (EVP_MD_CTX_md(s->write_hash))
{
int n=EVP_MD_CTX_size(s->write_hash);
OPENSSL_assert(n >= 0);
}
ds=s->enc_write_ctx;
rec= &(s->s3->wrec);
if (s->enc_write_ctx == NULL)
enc=NULL;
else
{
int ivlen;
enc=EVP_CIPHER_CTX_cipher(s->enc_write_ctx);
/* For TLSv1.1 and later explicit IV */
if (s->version >= TLS1_1_VERSION
&& EVP_CIPHER_mode(enc) == EVP_CIPH_CBC_MODE)
ivlen = EVP_CIPHER_iv_length(enc);
else
ivlen = 0;
if (ivlen > 1)
{
if ( rec->data != rec->input)
/* we can't write into the input stream:
* Can this ever happen?? (steve)
*/
fprintf(stderr,
"%s:%d: rec->data != rec->input\n",
__FILE__, __LINE__);
else if (RAND_bytes(rec->input, ivlen) <= 0)
return -1;
}
}
}
else
{
if (EVP_MD_CTX_md(s->read_hash))
{
int n=EVP_MD_CTX_size(s->read_hash);
OPENSSL_assert(n >= 0);
}
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);
}
#ifdef KSSL_DEBUG
printf("tls1_enc(%d)\n", send);
#endif /* KSSL_DEBUG */
if ((s->session == NULL) || (ds == NULL) || (enc == NULL))
{
memmove(rec->data,rec->input,rec->length);
rec->input=rec->data;
ret = 1;
}
else
{
l=rec->length;
bs=EVP_CIPHER_block_size(ds->cipher);
if (EVP_CIPHER_flags(ds->cipher)&EVP_CIPH_FLAG_AEAD_CIPHER)
{
unsigned char buf[13],*seq;
seq = send?s->s3->write_sequence:s->s3->read_sequence;
if (s->version == DTLS1_VERSION || s->version == DTLS1_BAD_VER)
{
unsigned char dtlsseq[9],*p=dtlsseq;
s2n(send?s->d1->w_epoch:s->d1->r_epoch,p);
memcpy(p,&seq[2],6);
memcpy(buf,dtlsseq,8);
}
else
{
memcpy(buf,seq,8);
for (i=7; i>=0; i--) /* increment */
{
++seq[i];
if (seq[i] != 0) break;
}
}
buf[8]=rec->type;
buf[9]=(unsigned char)(s->version>>8);
buf[10]=(unsigned char)(s->version);
buf[11]=rec->length>>8;
buf[12]=rec->length&0xff;
pad=EVP_CIPHER_CTX_ctrl(ds,EVP_CTRL_AEAD_TLS1_AAD,13,buf);
if (send)
{
l+=pad;
rec->length+=pad;
}
}
else if ((bs != 1) && send)
{
i=bs-((int)l%bs);
/* Add weird padding of upto 256 bytes */
/* we need to add 'i' padding bytes of value j */
j=i-1;
if (s->options & SSL_OP_TLS_BLOCK_PADDING_BUG)
{
if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG)
j++;
}
for (k=(int)l; k<(int)(l+i); k++)
rec->input[k]=j;
l+=i;
rec->length+=i;
}
#ifdef KSSL_DEBUG
{
unsigned long ui;
printf("EVP_Cipher(ds=%p,rec->data=%p,rec->input=%p,l=%ld) ==>\n",
ds,rec->data,rec->input,l);
printf("\tEVP_CIPHER_CTX: %d buf_len, %d key_len [%d %d], %d iv_len\n",
ds->buf_len, ds->cipher->key_len,
DES_KEY_SZ, DES_SCHEDULE_SZ,
ds->cipher->iv_len);
printf("\t\tIV: ");
for (i=0; i<ds->cipher->iv_len; i++) printf("%02X", ds->iv[i]);
printf("\n");
printf("\trec->input=");
for (ui=0; ui<l; ui++) printf(" %02x", rec->input[ui]);
printf("\n");
}
#endif /* KSSL_DEBUG */
if (!send)
{
if (l == 0 || l%bs != 0)
return 0;
}
i = EVP_Cipher(ds,rec->data,rec->input,l);
if ((EVP_CIPHER_flags(ds->cipher)&EVP_CIPH_FLAG_CUSTOM_CIPHER)
?(i<0)
:(i==0))
return -1; /* AEAD can fail to verify MAC */
if (EVP_CIPHER_mode(enc) == EVP_CIPH_GCM_MODE && !send)
{
rec->data += EVP_GCM_TLS_EXPLICIT_IV_LEN;
rec->input += EVP_GCM_TLS_EXPLICIT_IV_LEN;
rec->length -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
}
#ifdef KSSL_DEBUG
{
unsigned long i;
printf("\trec->data=");
for (i=0; i<l; i++)
printf(" %02x", rec->data[i]); printf("\n");
}
#endif /* KSSL_DEBUG */
ret = 1;
if (EVP_MD_CTX_md(s->read_hash) != NULL)
mac_size = EVP_MD_CTX_size(s->read_hash);
if ((bs != 1) && !send)
ret = tls1_cbc_remove_padding(s, rec, bs, mac_size);
if (pad && !send)
rec->length -= pad;
}
return ret;
}
int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *out)
{
unsigned int ret;
EVP_MD_CTX ctx, *d=NULL;
int i;
if (s->s3->handshake_buffer)
if (!ssl3_digest_cached_records(s))
return 0;
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_TLS1_CERT_VERIFY_MAC,SSL_R_NO_REQUIRED_DIGEST);
return 0;
}
EVP_MD_CTX_init(&ctx);
EVP_MD_CTX_copy_ex(&ctx,d);
EVP_DigestFinal_ex(&ctx,out,&ret);
EVP_MD_CTX_cleanup(&ctx);
return((int)ret);
}
int tls1_final_finish_mac(SSL *s,
const char *str, int slen, unsigned char *out)
{
unsigned int i;
EVP_MD_CTX ctx;
unsigned char buf[2*EVP_MAX_MD_SIZE];
unsigned char *q,buf2[12];
int idx;
long mask;
int err=0;
const EVP_MD *md;
q=buf;
if (s->s3->handshake_buffer)
if (!ssl3_digest_cached_records(s))
return 0;
EVP_MD_CTX_init(&ctx);
for (idx=0;ssl_get_handshake_digest(idx,&mask,&md);idx++)
{
if (mask & ssl_get_algorithm2(s))
{
int hashsize = EVP_MD_size(md);
EVP_MD_CTX *hdgst = s->s3->handshake_dgst[idx];
if (!hdgst || hashsize < 0 || hashsize > (int)(sizeof buf - (size_t)(q-buf)))
{
/* internal error: 'buf' is too small for this cipersuite! */
err = 1;
}
else
{
if (!EVP_MD_CTX_copy_ex(&ctx, hdgst) ||
!EVP_DigestFinal_ex(&ctx,q,&i) ||
(i != (unsigned int)hashsize))
err = 1;
q+=hashsize;
}
}
}
if (!tls1_PRF(ssl_get_algorithm2(s),
str,slen, buf,(int)(q-buf), NULL,0, NULL,0, NULL,0,
s->session->master_key,s->session->master_key_length,
out,buf2,sizeof buf2))
err = 1;
EVP_MD_CTX_cleanup(&ctx);
if (err)
return 0;
else
return sizeof buf2;
}
int tls1_mac(SSL *ssl, unsigned char *md, int send)
{
SSL3_RECORD *rec;
unsigned char *seq;
EVP_MD_CTX *hash;
size_t md_size, orig_len;
int i;
EVP_MD_CTX hmac, *mac_ctx;
unsigned char header[13];
int stream_mac = (send?(ssl->mac_flags & SSL_MAC_FLAG_WRITE_MAC_STREAM):(ssl->mac_flags&SSL_MAC_FLAG_READ_MAC_STREAM));
int t;
if (send)
{
rec= &(ssl->s3->wrec);
seq= &(ssl->s3->write_sequence[0]);
hash=ssl->write_hash;
}
else
{
rec= &(ssl->s3->rrec);
seq= &(ssl->s3->read_sequence[0]);
hash=ssl->read_hash;
}
t=EVP_MD_CTX_size(hash);
OPENSSL_assert(t >= 0);
md_size=t;
/* I should fix this up TLS TLS TLS TLS TLS XXXXXXXX */
if (stream_mac)
{
mac_ctx = hash;
}
else
{
if (!EVP_MD_CTX_copy(&hmac,hash))
return -1;
mac_ctx = &hmac;
}
if (ssl->version == DTLS1_VERSION || ssl->version == DTLS1_BAD_VER)
{
unsigned char dtlsseq[8],*p=dtlsseq;
s2n(send?ssl->d1->w_epoch:ssl->d1->r_epoch, p);
memcpy (p,&seq[2],6);
memcpy(header, dtlsseq, 8);
}
else
memcpy(header, seq, 8);
/* kludge: tls1_cbc_remove_padding passes padding length in rec->type */
orig_len = rec->length+md_size+((unsigned int)rec->type>>8);
rec->type &= 0xff;
header[8]=rec->type;
header[9]=(unsigned char)(ssl->version>>8);
header[10]=(unsigned char)(ssl->version);
header[11]=(rec->length)>>8;
header[12]=(rec->length)&0xff;
if (!send &&
EVP_CIPHER_CTX_mode(ssl->enc_read_ctx) == EVP_CIPH_CBC_MODE &&
ssl3_cbc_record_digest_supported(mac_ctx))
{
/* This is a CBC-encrypted record. We must avoid leaking any
* timing-side channel information about how many blocks of
* data we are hashing because that gives an attacker a
* timing-oracle. */
ssl3_cbc_digest_record(
mac_ctx,
md, &md_size,
header, rec->input,
rec->length + md_size, orig_len,
ssl->s3->read_mac_secret,
ssl->s3->read_mac_secret_size,
0 /* not SSLv3 */);
}
else
{
EVP_DigestSignUpdate(mac_ctx,header,sizeof(header));
EVP_DigestSignUpdate(mac_ctx,rec->input,rec->length);
t=EVP_DigestSignFinal(mac_ctx,md,&md_size);
OPENSSL_assert(t > 0);
#ifdef OPENSSL_FIPS
if (!send && FIPS_mode())
tls_fips_digest_extra(
ssl->enc_read_ctx,
mac_ctx, rec->input,
rec->length, orig_len);
#endif
}
if (!stream_mac)
EVP_MD_CTX_cleanup(&hmac);
#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
if (ssl->version != DTLS1_VERSION && ssl->version != DTLS1_BAD_VER)
{
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 buff[SSL_MAX_MASTER_KEY_LENGTH];
const void *co = NULL, *so = NULL;
int col = 0, sol = 0;
#ifdef KSSL_DEBUG
printf ("tls1_generate_master_secret(%p,%p, %p, %d)\n", s,out, p,len);
#endif /* KSSL_DEBUG */
#ifdef TLSEXT_TYPE_opaque_prf_input
if (s->s3->client_opaque_prf_input != NULL && s->s3->server_opaque_prf_input != NULL &&
s->s3->client_opaque_prf_input_len > 0 &&
s->s3->client_opaque_prf_input_len == s->s3->server_opaque_prf_input_len)
{
co = s->s3->client_opaque_prf_input;
col = s->s3->server_opaque_prf_input_len;
so = s->s3->server_opaque_prf_input;
sol = s->s3->client_opaque_prf_input_len; /* must be same as col (see draft-rescorla-tls-opaque-prf-input-00.txt, section 3.1) */
}
#endif
tls1_PRF(ssl_get_algorithm2(s),
TLS_MD_MASTER_SECRET_CONST,TLS_MD_MASTER_SECRET_CONST_SIZE,
s->s3->client_random,SSL3_RANDOM_SIZE,
co, col,
s->s3->server_random,SSL3_RANDOM_SIZE,
so, sol,
p,len,
s->session->master_key,buff,sizeof buff);
#ifdef SSL_DEBUG
fprintf(stderr, "Premaster Secret:\n");
BIO_dump_fp(stderr, (char *)p, len);
fprintf(stderr, "Client Random:\n");
BIO_dump_fp(stderr, (char *)s->s3->client_random, SSL3_RANDOM_SIZE);
fprintf(stderr, "Server Random:\n");
BIO_dump_fp(stderr, (char *)s->s3->server_random, SSL3_RANDOM_SIZE);
fprintf(stderr, "Master Secret:\n");
BIO_dump_fp(stderr, (char *)s->session->master_key, SSL3_MASTER_SECRET_SIZE);
#endif
#ifdef KSSL_DEBUG
printf ("tls1_generate_master_secret() complete\n");
#endif /* KSSL_DEBUG */
return(SSL3_MASTER_SECRET_SIZE);
}
int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
const char *label, size_t llen, const unsigned char *context,
size_t contextlen, int use_context)
{
unsigned char *buff;
unsigned char *val = NULL;
size_t vallen, currentvalpos;
int rv;
#ifdef KSSL_DEBUG
printf ("tls1_export_keying_material(%p,%p,%d,%s,%d,%p,%d)\n", s, out, olen, label, llen, p, plen);
#endif /* KSSL_DEBUG */
buff = OPENSSL_malloc(olen);
if (buff == NULL) goto err2;
/* construct PRF arguments
* we construct the PRF argument ourself rather than passing separate
* values into the TLS PRF to ensure that the concatenation of values
* does not create a prohibited label.
*/
vallen = llen + SSL3_RANDOM_SIZE * 2;
if (use_context)
{
vallen += 2 + contextlen;
}
val = OPENSSL_malloc(vallen);
if (val == NULL) goto err2;
currentvalpos = 0;
memcpy(val + currentvalpos, (unsigned char *) label, llen);
currentvalpos += llen;
memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE);
currentvalpos += SSL3_RANDOM_SIZE;
memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE);
currentvalpos += SSL3_RANDOM_SIZE;
if (use_context)
{
val[currentvalpos] = (contextlen >> 8) & 0xff;
currentvalpos++;
val[currentvalpos] = contextlen & 0xff;
currentvalpos++;
if ((contextlen > 0) || (context != NULL))
{
memcpy(val + currentvalpos, context, contextlen);
}
}
/* disallow prohibited labels
* note that SSL3_RANDOM_SIZE > max(prohibited label len) =
* 15, so size of val > max(prohibited label len) = 15 and the
* comparisons won't have buffer overflow
*/
if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST,
TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0) goto err1;
if (memcmp(val, TLS_MD_SERVER_FINISH_CONST,
TLS_MD_SERVER_FINISH_CONST_SIZE) == 0) goto err1;
if (memcmp(val, TLS_MD_MASTER_SECRET_CONST,
TLS_MD_MASTER_SECRET_CONST_SIZE) == 0) goto err1;
if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST,
TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0) goto err1;
rv = tls1_PRF(s->s3->tmp.new_cipher->algorithm2,
val, vallen,
NULL, 0,
NULL, 0,
NULL, 0,
NULL, 0,
s->session->master_key,s->session->master_key_length,
out,buff,olen);
#ifdef KSSL_DEBUG
printf ("tls1_export_keying_material() complete\n");
#endif /* KSSL_DEBUG */
goto ret;
err1:
SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
rv = 0;
goto ret;
err2:
SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, ERR_R_MALLOC_FAILURE);
rv = 0;
ret:
if (buff != NULL) OPENSSL_free(buff);
if (val != NULL) OPENSSL_free(val);
return(rv);
}
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);
case SSL_AD_UNSUPPORTED_EXTENSION: return(TLS1_AD_UNSUPPORTED_EXTENSION);
case SSL_AD_CERTIFICATE_UNOBTAINABLE: return(TLS1_AD_CERTIFICATE_UNOBTAINABLE);
case SSL_AD_UNRECOGNIZED_NAME: return(TLS1_AD_UNRECOGNIZED_NAME);
case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: return(TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE);
case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: return(TLS1_AD_BAD_CERTIFICATE_HASH_VALUE);
case SSL_AD_UNKNOWN_PSK_IDENTITY:return(TLS1_AD_UNKNOWN_PSK_IDENTITY);
#if 0 /* not appropriate for TLS, not used for DTLS */
case DTLS1_AD_MISSING_HANDSHAKE_MESSAGE: return
(DTLS1_AD_MISSING_HANDSHAKE_MESSAGE);
#endif
default: return(-1);
}
}
| N4m3 |
5!z3 |
L45t M0d!f!3d |
0wn3r / Gr0up |
P3Rm!55!0n5 |
0pt!0n5 |
| .. |
-- |
January 01 1970 00:00:00 |
/ |
0 |
|
| | | | | |
| Makefile |
62.684 KB |
April 07 2014 16:55:41 |
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|
| Makefile.save |
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|
| bio_ssl.c |
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| d1_both.c |
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| d1_lib.c |
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| dtls1.h |
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| install-ssl.com |
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| kssl.c |
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| kssl_lcl.h |
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| s23_clnt.c |
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| s2_clnt.c |
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