mac.h revision 323120 
1/* $OpenBSD: mac.h,v 1.10 2016/07/08 03:44:42 djm Exp $ */
2/*
3 * Copyright (c) 2001 Markus Friedl.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef SSHMAC_H
27#define SSHMAC_H
28
29#include <sys/types.h>
30
31struct sshmac {
32	char	*name;
33	int	enabled;
34	u_int	mac_len;
35	u_char	*key;
36	u_int	key_len;
37	int	type;
38	int	etm;		/* Encrypt-then-MAC */
39	struct ssh_hmac_ctx	*hmac_ctx;
40	struct umac_ctx		*umac_ctx;
41};
42
43int	 mac_valid(const char *);
44char	*mac_alg_list(char);
45int	 mac_setup(struct sshmac *, char *);
46int	 mac_init(struct sshmac *);
47int	 mac_compute(struct sshmac *, u_int32_t, const u_char *, int,
48    u_char *, size_t);
49int	 mac_check(struct sshmac *, u_int32_t, const u_char *, size_t,
50    const u_char *, size_t);
51void	 mac_clear(struct sshmac *);
52
53#endif /* SSHMAC_H */
54