move ciphersuite validation to set_session
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index abb7a14..56841c4 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -1485,4 +1485,36 @@
}
#endif /* MBEDTLS_ECDH_C */
+int mbedtls_ssl_tls13_ciphersuite_to_alg( mbedtls_ssl_context *ssl,
+ int ciphersuite,
+ psa_algorithm_t *psa_alg )
+{
+ const mbedtls_ssl_ciphersuite_t *ciphersuite_info = NULL;
+ psa_algorithm_t alg;
+
+ ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( ciphersuite );
+ if( psa_alg )
+ *psa_alg = PSA_ALG_NONE;
+
+ if( mbedtls_ssl_validate_ciphersuite(
+ ssl, ciphersuite_info,
+ MBEDTLS_SSL_VERSION_TLS1_3,
+ MBEDTLS_SSL_VERSION_TLS1_3 ) != 0 )
+ {
+ MBEDTLS_SSL_DEBUG_MSG( 4, ( "%d is not valid.", ciphersuite ) );
+ return( MBEDTLS_ERR_SSL_INVALID_MAC );
+ }
+
+ alg = mbedtls_psa_translate_md( ciphersuite_info->mac );
+ if( alg == PSA_ALG_NONE )
+ {
+ MBEDTLS_SSL_DEBUG_MSG( 4, ( "%d is not valid.", ciphersuite ) );
+ return( MBEDTLS_ERR_SSL_INVALID_MAC );
+ }
+
+ if( psa_alg )
+ *psa_alg = alg;
+ return( 0 );
+}
+
#endif /* MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_PROTO_TLS1_3 */