71 lines
2.7 KiB
C
71 lines
2.7 KiB
C
/* $NetBSD: esp.h,v 1.3 2005/12/10 23:44:08 elad Exp $ */
|
|
/* $FreeBSD: src/sys/netipsec/esp.h,v 1.1.4.1 2003/01/24 05:11:35 sam Exp $ */
|
|
/* $KAME: esp.h,v 1.16 2000/10/18 21:28:00 itojun Exp $ */
|
|
|
|
/*
|
|
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* RFC1827/2406 Encapsulated Security Payload.
|
|
*/
|
|
|
|
#ifndef _NETIPSEC_ESP_H_
|
|
#define _NETIPSEC_ESP_H_
|
|
|
|
struct esp {
|
|
u_int32_t esp_spi; /* ESP */
|
|
/*variable size, 32bit bound*/ /* Initialization Vector */
|
|
/*variable size*/ /* Payload data */
|
|
/*variable size*/ /* padding */
|
|
/*8bit*/ /* pad size */
|
|
/*8bit*/ /* next header */
|
|
/*8bit*/ /* next header */
|
|
/*variable size, 32bit bound*/ /* Authentication data (new IPsec) */
|
|
};
|
|
|
|
struct newesp {
|
|
u_int32_t esp_spi; /* ESP */
|
|
u_int32_t esp_seq; /* Sequence number */
|
|
/*variable size*/ /* (IV and) Payload data */
|
|
/*variable size*/ /* padding */
|
|
/*8bit*/ /* pad size */
|
|
/*8bit*/ /* next header */
|
|
/*8bit*/ /* next header */
|
|
/*variable size, 32bit bound*/ /* Authentication data */
|
|
};
|
|
|
|
struct esptail {
|
|
u_int8_t esp_padlen; /* pad length */
|
|
u_int8_t esp_nxt; /* Next header */
|
|
/*variable size, 32bit bound*/ /* Authentication data (new IPsec)*/
|
|
};
|
|
|
|
#define ESP_ALEN 12 /* 96-bit authenticator */
|
|
#endif /* !_NETIPSEC_ESP_H_ */
|