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Fixed dependency on POLARSSL_SHA4_C in ssl modules

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This commit is contained in:
Paul Bakker 2012-11-24 11:26:46 +01:00
parent 1eeceaeac8
commit 769075dfb6
3 changed files with 28 additions and 2 deletions
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1
include/polarssl/config.h
View File

@ -696,6 +696,7 @@
* library/x509parse.c
*
* This module adds support for SHA-224 and SHA-256.
* This module is required for the SSL/TLS 1.2 PRF function.
*/
#define POLARSSL_SHA2_C

2
library/ssl_cli.c
View File

@ -804,7 +804,9 @@ static int ssl_parse_server_key_exchange( ssl_context *ssl )
else
{
sha2_context sha2;
#if defined(POLARSSL_SHA4_C)
sha4_context sha4;
#endif
n = ssl->in_hslen - ( end - p ) - 8;

27
library/ssl_tls.c
View File

@ -233,6 +233,7 @@ static int tls_prf_sha256( unsigned char *secret, size_t slen, char *label,
return( 0 );
}
#if defined(POLARSSL_SHA4_C)
static int tls_prf_sha384( unsigned char *secret, size_t slen, char *label,
unsigned char *random, size_t rlen,
unsigned char *dstbuf, size_t dlen )
@ -271,21 +272,25 @@ static int tls_prf_sha384( unsigned char *secret, size_t slen, char *label,
return( 0 );
}
#endif
static void ssl_update_checksum_start(ssl_context *, unsigned char *, size_t);
static void ssl_update_checksum_md5sha1(ssl_context *, unsigned char *, size_t);
static void ssl_update_checksum_sha256(ssl_context *, unsigned char *, size_t);
static void ssl_update_checksum_sha384(ssl_context *, unsigned char *, size_t);
static void ssl_calc_verify_ssl(ssl_context *,unsigned char *);
static void ssl_calc_verify_tls(ssl_context *,unsigned char *);
static void ssl_calc_verify_tls_sha256(ssl_context *,unsigned char *);
static void ssl_calc_verify_tls_sha384(ssl_context *,unsigned char *);
static void ssl_calc_finished_ssl(ssl_context *,unsigned char *,int);
static void ssl_calc_finished_tls(ssl_context *,unsigned char *,int);
static void ssl_calc_finished_tls_sha256(ssl_context *,unsigned char *,int);
#if defined(POLARSSL_SHA4_C)
static void ssl_update_checksum_sha384(ssl_context *, unsigned char *, size_t);
static void ssl_calc_verify_tls_sha384(ssl_context *,unsigned char *);
static void ssl_calc_finished_tls_sha384(ssl_context *,unsigned char *,int);
#endif
int ssl_derive_keys( ssl_context *ssl )
{
@ -315,6 +320,7 @@ int ssl_derive_keys( ssl_context *ssl )
handshake->calc_verify = ssl_calc_verify_tls;
handshake->calc_finished = ssl_calc_finished_tls;
}
#if defined(POLARSSL_SHA4_C)
else if( session->ciphersuite == TLS_RSA_WITH_AES_256_GCM_SHA384 ||
session->ciphersuite == TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 )
{
@ -322,6 +328,7 @@ int ssl_derive_keys( ssl_context *ssl )
handshake->calc_verify = ssl_calc_verify_tls_sha384;
handshake->calc_finished = ssl_calc_finished_tls_sha384;
}
#endif
else
{
handshake->tls_prf = tls_prf_sha256;
@ -766,6 +773,7 @@ void ssl_calc_verify_tls_sha256( ssl_context *ssl, unsigned char hash[32] )
return;
}
#if defined(POLARSSL_SHA4_C)
void ssl_calc_verify_tls_sha384( ssl_context *ssl, unsigned char hash[48] )
{
sha4_context sha4;
@ -780,6 +788,7 @@ void ssl_calc_verify_tls_sha384( ssl_context *ssl, unsigned char hash[48] )
return;
}
#endif
/*
* SSLv3.0 MAC functions
@ -2390,13 +2399,19 @@ int ssl_parse_change_cipher_spec( ssl_context *ssl )
void ssl_optimize_checksum( ssl_context *ssl, int ciphersuite )
{
#if !defined(POLARSSL_SHA4_C)
((void) ciphersuite);
#endif
if( ssl->minor_ver < SSL_MINOR_VERSION_3 )
ssl->handshake->update_checksum = ssl_update_checksum_md5sha1;
#if defined(POLARSSL_SHA4_C)
else if ( ciphersuite == TLS_RSA_WITH_AES_256_GCM_SHA384 ||
ciphersuite == TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 )
{
ssl->handshake->update_checksum = ssl_update_checksum_sha384;
}
#endif
else
ssl->handshake->update_checksum = ssl_update_checksum_sha256;
}
@ -2407,7 +2422,9 @@ static void ssl_update_checksum_start( ssl_context *ssl, unsigned char *buf,
md5_update( &ssl->handshake->fin_md5 , buf, len );
sha1_update( &ssl->handshake->fin_sha1, buf, len );
sha2_update( &ssl->handshake->fin_sha2, buf, len );
#if defined(POLARSSL_SHA4_C)
sha4_update( &ssl->handshake->fin_sha4, buf, len );
#endif
}
static void ssl_update_checksum_md5sha1( ssl_context *ssl, unsigned char *buf,
@ -2423,11 +2440,13 @@ static void ssl_update_checksum_sha256( ssl_context *ssl, unsigned char *buf,
sha2_update( &ssl->handshake->fin_sha2, buf, len );
}
#if defined(POLARSSL_SHA4_C)
static void ssl_update_checksum_sha384( ssl_context *ssl, unsigned char *buf,
size_t len )
{
sha4_update( &ssl->handshake->fin_sha4, buf, len );
}
#endif
static void ssl_calc_finished_ssl(
ssl_context *ssl, unsigned char *buf, int from )
@ -2598,6 +2617,7 @@ static void ssl_calc_finished_tls_sha256(
SSL_DEBUG_MSG( 2, ( "<= calc finished" ) );
}
#if defined(POLARSSL_SHA4_C)
static void ssl_calc_finished_tls_sha384(
ssl_context *ssl, unsigned char *buf, int from )
{
@ -2640,6 +2660,7 @@ static void ssl_calc_finished_tls_sha384(
SSL_DEBUG_MSG( 2, ( "<= calc finished" ) );
}
#endif
void ssl_handshake_wrapup( ssl_context *ssl )
{
@ -2831,7 +2852,9 @@ int ssl_handshake_init( ssl_context *ssl )
md5_starts( &ssl->handshake->fin_md5 );
sha1_starts( &ssl->handshake->fin_sha1 );
sha2_starts( &ssl->handshake->fin_sha2, 0 );
#if defined(POLARSSL_SHA4_C)
sha4_starts( &ssl->handshake->fin_sha4, 1 );
#endif
ssl->handshake->update_checksum = ssl_update_checksum_start;
ssl->handshake->sig_alg = SSL_HASH_SHA1;