Add missing return value check in ECDSA test suite
The test case `ecdsa_det_test_vectors` from the ECDSA test suite
called `mbedtls_md()` without checking its return value.
@@ -117,7 +117,8 @@ void ecdsa_det_test_vectors( int id, char * d_str, int md_alg, char * msg,
md_info = mbedtls_md_info_from_type( md_alg );
TEST_ASSERT( md_info != NULL );
hlen = mbedtls_md_get_size( md_info );
- mbedtls_md( md_info, (const unsigned char *) msg, strlen( msg ), hash );
+ TEST_ASSERT( mbedtls_md( md_info, (const unsigned char *) msg,
+ strlen( msg ), hash ) == 0 );
TEST_ASSERT( mbedtls_ecdsa_sign_det( &grp, &r, &s, &d, hash, hlen, md_alg ) == 0 );
