1 /* cookie generation/verification routines.
2 * Copyright (C) 1998-2002 D. Hugh Redelmeier.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
7 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
11 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * RCSID $Id: cookie.h,v 1.11 2002/01/21 03:14:15 dhr Exp $
19 extern const u_char zero_cookie[COOKIE_SIZE]; /* guaranteed 0 */
21 extern void get_cookie(bool initiator, u_int8_t *cookie, int length
22 , const ip_address *addr);
24 #define is_zero_cookie(cookie) all_zero((cookie), COOKIE_SIZE)