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