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markus@openbsd.org091c3022015-01-19 19:52:16 +00001/* $OpenBSD: deattack.h,v 1.11 2015/01/19 19:52:16 markus Exp $ */
Ben Lindstrom36579d32001-01-29 07:39:26 +00002
Damien Miller95def091999-11-25 00:26:21 +11003/*
Damien Millerd4a8b7e1999-10-27 13:42:43 +10004 * Cryptographic attack detector for ssh - Header file
5 *
6 * Copyright (c) 1998 CORE SDI S.A., Buenos Aires, Argentina.
7 *
8 * All rights reserved. Redistribution and use in source and binary
9 * forms, with or without modification, are permitted provided that
10 * this copyright notice is retained.
11 *
12 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
13 * WARRANTIES ARE DISCLAIMED. IN NO EVENT SHALL CORE SDI S.A. BE
14 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY OR
15 * CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OR MISUSE OF THIS
16 * SOFTWARE.
17 *
18 * Ariel Futoransky <futo@core-sdi.com>
Damien Miller95def091999-11-25 00:26:21 +110019 * <http://www.core-sdi.com>
20 */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100021
22#ifndef _DEATTACK_H
23#define _DEATTACK_H
24
25/* Return codes */
26#define DEATTACK_OK 0
27#define DEATTACK_DETECTED 1
Damien Miller3c9c1fb2006-09-17 06:08:53 +100028#define DEATTACK_DOS_DETECTED 2
markus@openbsd.org091c3022015-01-19 19:52:16 +000029#define DEATTACK_ERROR 3
Damien Millerd4a8b7e1999-10-27 13:42:43 +100030
markus@openbsd.org091c3022015-01-19 19:52:16 +000031struct deattack_ctx {
32 u_int16_t *h;
33 u_int32_t n;
34};
35
36void deattack_init(struct deattack_ctx *);
37int detect_attack(struct deattack_ctx *, const u_char *, u_int32_t);
Damien Millerd4a8b7e1999-10-27 13:42:43 +100038#endif