175115Sfenner/*	$NetBSD: ah.h,v 1.12 2000/07/23 05:23:04 itojun Exp $	*/
275115Sfenner/*	$KAME: ah.h,v 1.12 2000/07/20 17:41:01 itojun Exp $	*/
375115Sfenner
475115Sfenner/*
575115Sfenner * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
675115Sfenner * All rights reserved.
775115Sfenner *
875115Sfenner * Redistribution and use in source and binary forms, with or without
975115Sfenner * modification, are permitted provided that the following conditions
1075115Sfenner * are met:
1175115Sfenner * 1. Redistributions of source code must retain the above copyright
1275115Sfenner *    notice, this list of conditions and the following disclaimer.
1375115Sfenner * 2. Redistributions in binary form must reproduce the above copyright
1475115Sfenner *    notice, this list of conditions and the following disclaimer in the
1575115Sfenner *    documentation and/or other materials provided with the distribution.
1675115Sfenner * 3. Neither the name of the project nor the names of its contributors
1775115Sfenner *    may be used to endorse or promote products derived from this software
1875115Sfenner *    without specific prior written permission.
1975115Sfenner *
2075115Sfenner * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
2175115Sfenner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2275115Sfenner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2375115Sfenner * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
2475115Sfenner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2575115Sfenner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2675115Sfenner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2775115Sfenner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2875115Sfenner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2975115Sfenner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3075115Sfenner * SUCH DAMAGE.
3175115Sfenner */
3275115Sfenner
3375115Sfenner/*
3475115Sfenner * RFC1826/2402 authentication header.
3575115Sfenner */
3675115Sfenner
3775115Sfenner#ifndef _NETINET6_AH_H_
3875115Sfenner#define _NETINET6_AH_H_
3975115Sfenner
4075115Sfennerstruct ah {
41276788Sdelphij	uint8_t		ah_nxt;		/* Next Header */
42276788Sdelphij	uint8_t		ah_len;		/* Length of data, in 32bit */
43276788Sdelphij	uint16_t	ah_reserve;	/* Reserved for future use */
44276788Sdelphij	uint32_t	ah_spi;		/* Security parameter index */
4575115Sfenner	/* variable size, 32bit bound*/	/* Authentication data */
4675115Sfenner};
4775115Sfenner
4875115Sfennerstruct newah {
49276788Sdelphij	uint8_t		ah_nxt;		/* Next Header */
50276788Sdelphij	uint8_t		ah_len;		/* Length of data + 1, in 32bit */
51276788Sdelphij	uint16_t	ah_reserve;	/* Reserved for future use */
52276788Sdelphij	uint32_t	ah_spi;		/* Security parameter index */
53276788Sdelphij	uint32_t	ah_seq;		/* Sequence number field */
5475115Sfenner	/* variable size, 32bit bound*/	/* Authentication data */
5575115Sfenner};
5675115Sfenner
5775115Sfenner#endif /*_NETINET6_AH_H_*/
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