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markus@openbsd.org128343b2015-01-13 19:31:40 +00001/* $OpenBSD: mac.h,v 1.9 2015/01/13 19:31:40 markus Exp $ */
Damien Millere4340be2000-09-16 13:29:08 +11002/*
Ben Lindstrom06b33aa2001-02-15 03:01:59 +00003 * Copyright (c) 2001 Markus Friedl. All rights reserved.
Damien Millere4340be2000-09-16 13:29:08 +11004 *
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 */
Damien Miller33b13562000-04-04 14:38:59 +100025
markus@openbsd.org128343b2015-01-13 19:31:40 +000026#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
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000043int mac_valid(const char *);
Damien Miller690d9892013-11-08 12:16:49 +110044char *mac_alg_list(char);
markus@openbsd.org128343b2015-01-13 19:31:40 +000045int 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);
49void mac_clear(struct sshmac *);
50
51#endif /* SSHMAC_H */