Add NamedGroup IANA values and helper functions
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 9cd1b35..d9c8296 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -1439,6 +1439,24 @@
#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+/*
+ * Helper functions for NamedGroup.
+ */
+static inline int mbedtls_ssl_named_group_is_ecdhe( uint16_t named_group )
+{
+ return( named_group == MBEDTLS_SSL_TLS13_NAMED_GROUP_SECP256R1 ||
+ named_group == MBEDTLS_SSL_TLS13_NAMED_GROUP_SECP384R1 ||
+ named_group == MBEDTLS_SSL_TLS13_NAMED_GROUP_SECP521R1 ||
+ named_group == MBEDTLS_SSL_TLS13_NAMED_GROUP_X25519 ||
+ named_group == MBEDTLS_SSL_TLS13_NAMED_GROUP_X448 );
+}
+
+static inline int mbedtls_ssl_named_group_is_dhe( uint16_t named_group )
+{
+ return( named_group >= MBEDTLS_SSL_TLS13_NAMED_GROUP_FFDHE2048 &&
+ named_group <= MBEDTLS_SSL_TLS13_NAMED_GROUP_FFDHE8192 );
+}
+
static inline void mbedtls_ssl_handshake_set_state( mbedtls_ssl_context *ssl,
mbedtls_ssl_states state )
{