Home | History | Annotate | Line # | Download | only in dist 
      1 /*	$NetBSD: mac.h,v 1.8 2017/04/18 18:41:46 christos Exp $	*/
      2 /* $OpenBSD: mac.h,v 1.10 2016/07/08 03:44:42 djm Exp $ */
      3 /*
      4  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef SSHMAC_H
     28 #define SSHMAC_H
     29 
     30 #include <sys/types.h>
     31 
     32 struct sshmac {
     33 	char	*name;
     34 	int	enabled;
     35 	u_int	mac_len;
     36 	u_char	*key;
     37 	u_int	key_len;
     38 	int	type;
     39 	int	etm;		/* Encrypt-then-MAC */
     40 	struct ssh_hmac_ctx	*hmac_ctx;
     41 	struct umac_ctx		*umac_ctx;
     42 };
     43 
     44 int	 mac_valid(const char *);
     45 char	*mac_alg_list(char);
     46 int	 mac_setup(struct sshmac *, char *);
     47 int	 mac_init(struct sshmac *);
     48 int	 mac_compute(struct sshmac *, u_int32_t, const u_char *, int,
     49     u_char *, size_t);
     50 int	 mac_check(struct sshmac *, u_int32_t, const u_char *, size_t,
     51     const u_char *, size_t);
     52 void	 mac_clear(struct sshmac *);
     53 
     54 #endif /* SSHMAC_H */
     55