FreeBSD/Linux Kernel Cross Reference
sys/netipsec/ah.h
1 /* $NetBSD: ah.h,v 1.1 2003/08/13 20:06:49 jonathan Exp $ */
2 /* $FreeBSD: src/sys/netipsec/ah.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $ */
3 /* $KAME: ah.h,v 1.13 2000/10/18 21:28:00 itojun Exp $ */
4
5 /*
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 /*
35 * RFC1826/2402 authentication header.
36 */
37
38 #ifndef _NETIPSEC_AH_H_
39 #define _NETIPSEC_AH_H_
40
41 struct ah {
42 u_int8_t ah_nxt; /* Next Header */
43 u_int8_t ah_len; /* Length of data, in 32bit */
44 u_int16_t ah_reserve; /* Reserved for future use */
45 u_int32_t ah_spi; /* Security parameter index */
46 /* variable size, 32bit bound*/ /* Authentication data */
47 };
48
49 struct newah {
50 u_int8_t ah_nxt; /* Next Header */
51 u_int8_t ah_len; /* Length of data + 1, in 32bit */
52 u_int16_t ah_reserve; /* Reserved for future use */
53 u_int32_t ah_spi; /* Security parameter index */
54 u_int32_t ah_seq; /* Sequence number field */
55 /* variable size, 32bit bound*/ /* Authentication data */
56 };
57 #endif /*_NETIPSEC_AH_H_*/
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