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/* cookie generation/verification routines.
* Copyright (C) 1998-2002 D. Hugh Redelmeier.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <freeswan.h>
extern const u_char zero_cookie[COOKIE_SIZE]; /* guaranteed 0 */
extern void get_cookie(bool initiator, u_int8_t *cookie, int length,
ip_address *addr);
#define is_zero_cookie(cookie) all_zero((cookie), COOKIE_SIZE)
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