enc.h revision 296373
1227825Stheraven/* @(#) $Header: /tcpdump/master/tcpdump/enc.h,v 1.1 2003-03-08 08:55:33 guy Exp $ (LBL) */ 2227825Stheraven/* From $OpenBSD: if_enc.h,v 1.8 2001/06/25 05:14:00 angelos Exp $ */ 3227825Stheraven/* 4227825Stheraven * The authors of this code are John Ioannidis (ji@tla.org), 5227825Stheraven * Angelos D. Keromytis (kermit@csd.uch.gr) and 6227825Stheraven * Niels Provos (provos@physnet.uni-hamburg.de). 7227825Stheraven * 8227825Stheraven * This code was written by John Ioannidis for BSD/OS in Athens, Greece, 9227825Stheraven * in November 1995. 10227825Stheraven * 11227825Stheraven * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, 12227825Stheraven * by Angelos D. Keromytis. 13227825Stheraven * 14227825Stheraven * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis 15227825Stheraven * and Niels Provos. 16227825Stheraven * 17227825Stheraven * Copyright (C) 1995, 1996, 1997, 1998 by John Ioannidis, Angelos D. Keromytis 18227825Stheraven * and Niels Provos. 19227825Stheraven * Copyright (c) 2001, Angelos D. Keromytis. 20227825Stheraven * 21227825Stheraven * Permission to use, copy, and modify this software with or without fee 22227825Stheraven * is hereby granted, provided that this entire notice is included in 23227825Stheraven * all copies of any software which is or includes a copy or 24227825Stheraven * modification of this software. 25227825Stheraven * You may use this code under the GNU public license if you so wish. Please 26227825Stheraven * contribute changes back to the authors under this freer than GPL license 27227825Stheraven * so that we may further the use of strong encryption without limitations to 28227825Stheraven * all. 29227825Stheraven * 30227825Stheraven * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR 31227825Stheraven * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY 32227825Stheraven * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE 33227825Stheraven * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR 34227825Stheraven * PURPOSE. 35227825Stheraven */ 36227825Stheraven 37227825Stheraven#define ENC_HDRLEN 12 38227825Stheraven 39227825Stheraven/* From $OpenBSD: mbuf.h,v 1.56 2002/01/25 15:50:23 art Exp $ */ 40227825Stheraven#define M_CONF 0x0400 /* packet was encrypted (ESP-transport) */ 41227825Stheraven#define M_AUTH 0x0800 /* packet was authenticated (AH) */ 42227825Stheraven 43227825Stheravenstruct enchdr { 44227825Stheraven u_int32_t af; 45227825Stheraven u_int32_t spi; 46227825Stheraven u_int32_t flags; 47227825Stheraven}; 48227825Stheraven