enc.h revision 256281
110058Swollman/* @(#) $Header: /tcpdump/master/tcpdump/enc.h,v 1.1 2003-03-08 08:55:33 guy Exp $ (LBL) */ 210058Swollman/* From $OpenBSD: if_enc.h,v 1.8 2001/06/25 05:14:00 angelos Exp $ */ 310058Swollman/* 410058Swollman * The authors of this code are John Ioannidis (ji@tla.org), 510058Swollman * Angelos D. Keromytis (kermit@csd.uch.gr) and 610058Swollman * Niels Provos (provos@physnet.uni-hamburg.de). 710058Swollman * 810058Swollman * This code was written by John Ioannidis for BSD/OS in Athens, Greece, 910058Swollman * in November 1995. 1010058Swollman * 1110058Swollman * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, 1210058Swollman * by Angelos D. Keromytis. 1310058Swollman * 1410058Swollman * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis 1510058Swollman * and Niels Provos. 1610058Swollman * 1710058Swollman * Copyright (C) 1995, 1996, 1997, 1998 by John Ioannidis, Angelos D. Keromytis 1810058Swollman * and Niels Provos. 1910058Swollman * Copyright (c) 2001, Angelos D. Keromytis. 2010058Swollman * 2110058Swollman * Permission to use, copy, and modify this software with or without fee 2210058Swollman * is hereby granted, provided that this entire notice is included in 2310058Swollman * all copies of any software which is or includes a copy or 2410058Swollman * modification of this software. 2510058Swollman * You may use this code under the GNU public license if you so wish. Please 2610058Swollman * contribute changes back to the authors under this freer than GPL license 2710058Swollman * so that we may further the use of strong encryption without limitations to 2810058Swollman * all. 2914585Sache * 3010058Swollman * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR 3110058Swollman * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY 3210058Swollman * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE 3310058Swollman * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR 3410058Swollman * PURPOSE. 3510058Swollman */ 3610058Swollman 3710058Swollman#define ENC_HDRLEN 12 3810058Swollman 3910058Swollman/* From $OpenBSD: mbuf.h,v 1.56 2002/01/25 15:50:23 art Exp $ */ 4010058Swollman#define M_CONF 0x0400 /* packet was encrypted (ESP-transport) */ 4110058Swollman#define M_AUTH 0x0800 /* packet was authenticated (AH) */ 4210058Swollman 4310058Swollmanstruct enchdr { 4410058Swollman u_int32_t af; 4510058Swollman u_int32_t spi; 4610058Swollman u_int32_t flags; 4710058Swollman}; 4810058Swollman