1/* $OpenBSD: tls13_handshake.h,v 1.5 2020/04/22 17:05:07 jsing Exp $ */
2/*
3 * Copyright (c) 2019 Theo Buehler <tb@openbsd.org>
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
12 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
14 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
15 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#ifndef HEADER_TLS13_HANDSHAKE_H
19#define HEADER_TLS13_HANDSHAKE_H
20
21#include <stddef.h>	/* for NULL */
22
23__BEGIN_HIDDEN_DECLS
24
25#define INITIAL			0x00
26#define NEGOTIATED		0x01
27#define WITHOUT_HRR		0x02
28#define WITHOUT_CR		0x04
29#define WITH_PSK		0x08
30#define WITH_CCV		0x10
31#define WITH_0RTT		0x20
32
33enum tls13_message_type {
34	INVALID,
35	CLIENT_HELLO,
36	SERVER_HELLO_RETRY_REQUEST,
37	CLIENT_HELLO_RETRY,
38	SERVER_HELLO,
39	SERVER_ENCRYPTED_EXTENSIONS,
40	SERVER_CERTIFICATE_REQUEST,
41	SERVER_CERTIFICATE,
42	SERVER_CERTIFICATE_VERIFY,
43	SERVER_FINISHED,
44	CLIENT_END_OF_EARLY_DATA,
45	CLIENT_CERTIFICATE,
46	CLIENT_CERTIFICATE_VERIFY,
47	CLIENT_FINISHED,
48	APPLICATION_DATA,
49	TLS13_NUM_MESSAGE_TYPES,
50};
51
52__END_HIDDEN_DECLS
53
54#endif /* !HEADER_TLS13_HANDSHAKE_H */
55