TLS1.3: Add useful comments based on RFC8446
@@ -51,6 +51,13 @@ int mbedtls_ssl_tls1_3_fetch_handshake_msg( mbedtls_ssl_context *ssl,
goto cleanup;
}
+ /*
+ * Jump handshake header (4 bytes, see Section 4 of RFC 8446).
+ * ...
+ * HandshakeType msg_type;
+ * uint24 length;
+ * ...
+ */
*buf = ssl->in_msg + 4;
*buflen = ssl->in_hslen - 4;
