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ssl_tls.c: Remove ssl_set_handshake_prfs unnecessary minor_ver param

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ssl_set_handshake_prfs() is TLS 1.2 specific and only called
from TLS 1.2 only code thus no need to pass the TLS minor
version of the currebt session.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2022-03-07 09:05:51 +01:00
parent f12b81d387
commit 81591aa0f3
1 changed files with 5 additions and 11 deletions
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16
library/ssl_tls.c
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@ -5226,20 +5226,16 @@ static int tls_prf_sha384( const unsigned char *secret, size_t slen,
* Set appropriate PRF function and other SSL / TLS1.2 functions
*
* Inputs:
* - SSL/TLS minor version
* - hash associated with the ciphersuite (only used by TLS 1.2)
*
* Outputs:
* - the tls_prf, calc_verify and calc_finished members of handshake structure
*/
static int ssl_set_handshake_prfs( mbedtls_ssl_handshake_params *handshake,
int minor_ver,
mbedtls_md_type_t hash )
{
#if defined(MBEDTLS_SHA384_C)
if( minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 &&
hash == MBEDTLS_MD_SHA384 )
if( hash == MBEDTLS_MD_SHA384 )
{
handshake->tls_prf = tls_prf_sha384;
handshake->calc_verify = ssl_calc_verify_tls_sha384;
@ -5248,20 +5244,19 @@ static int ssl_set_handshake_prfs( mbedtls_ssl_handshake_params *handshake,
else
#endif
#if defined(MBEDTLS_SHA256_C)
if( minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 )
{
(void) hash;
handshake->tls_prf = tls_prf_sha256;
handshake->calc_verify = ssl_calc_verify_tls_sha256;
handshake->calc_finished = ssl_calc_finished_tls_sha256;
}
else
#endif
#else
{
(void) hash;
(void) minor_ver;
(void) handshake;
(void) hash;
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
}
#endif
return( 0 );
}
@ -5439,7 +5434,6 @@ int mbedtls_ssl_derive_keys( mbedtls_ssl_context *ssl )
/* Set PRF, calc_verify and calc_finished function pointers */
ret = ssl_set_handshake_prfs( ssl->handshake,
ssl->minor_ver,
ciphersuite_info->mac );
if( ret != 0 )
{