lib/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-07-29 11:41:15 +03:00
Code Activity

Better check for NULL pointer

Browse Source 
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott
2022-05-13 17:43:47 +01:00
parent dd428d3650
commit 114203814a
1 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
library/ssl_tls12_server.c
View File

@ -3203,6 +3203,12 @@ curve_matching_done:
#if defined(MBEDTLS_KEY_EXCHANGE_WITH_SERVER_SIGNATURE_ENABLED) #if defined(MBEDTLS_KEY_EXCHANGE_WITH_SERVER_SIGNATURE_ENABLED)
if( mbedtls_ssl_ciphersuite_uses_server_signature( ciphersuite_info ) ) if( mbedtls_ssl_ciphersuite_uses_server_signature( ciphersuite_info ) )
{ {
if( dig_signed == NULL )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
}
size_t dig_signed_len = ssl->out_msg + ssl->out_msglen - dig_signed; size_t dig_signed_len = ssl->out_msg + ssl->out_msglen - dig_signed;
size_t hashlen = 0; size_t hashlen = 0;
#if defined(MBEDTLS_USE_PSA_CRYPTO) #if defined(MBEDTLS_USE_PSA_CRYPTO)
@ -3241,12 +3247,6 @@ curve_matching_done:
*/ */
if( md_alg != MBEDTLS_MD_NONE ) if( md_alg != MBEDTLS_MD_NONE )
{ {
if( dig_signed == NULL )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
}
ret = mbedtls_ssl_get_key_exchange_md_tls1_2( ssl, hash, &hashlen, ret = mbedtls_ssl_get_key_exchange_md_tls1_2( ssl, hash, &hashlen,
dig_signed, dig_signed,
dig_signed_len, dig_signed_len,