/* $OpenBSD: tls13_handshake.h,v 1.5 2020/04/22 17:05:07 jsing Exp $ */
/*
 * Copyright (c) 2019 Theo Buehler <tb@openbsd.org>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef HEADER_TLS13_HANDSHAKE_H
#define HEADER_TLS13_HANDSHAKE_H

#include <stddef.h>     /* for NULL */

__BEGIN_HIDDEN_DECLS

#define INITIAL                 0x00
#define NEGOTIATED              0x01
#define WITHOUT_HRR             0x02
#define WITHOUT_CR              0x04
#define WITH_PSK                0x08
#define WITH_CCV                0x10
#define WITH_0RTT               0x20

enum tls13_message_type {
        INVALID,
        CLIENT_HELLO,
        SERVER_HELLO_RETRY_REQUEST,
        CLIENT_HELLO_RETRY,
        SERVER_HELLO,
        SERVER_ENCRYPTED_EXTENSIONS,
        SERVER_CERTIFICATE_REQUEST,
        SERVER_CERTIFICATE,
        SERVER_CERTIFICATE_VERIFY,
        SERVER_FINISHED,
        CLIENT_END_OF_EARLY_DATA,
        CLIENT_CERTIFICATE,
        CLIENT_CERTIFICATE_VERIFY,
        CLIENT_FINISHED,
        APPLICATION_DATA,
        TLS13_NUM_MESSAGE_TYPES,
};

__END_HIDDEN_DECLS

#endif /* !HEADER_TLS13_HANDSHAKE_H */