deattack.h revision 295367
1/* $OpenBSD: deattack.h,v 1.11 2015/01/19 19:52:16 markus Exp $ */
2
3/*
4 * 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>
19 * <http://www.core-sdi.com>
20 */
21
22#ifndef _DEATTACK_H
23#define _DEATTACK_H
24
25/* Return codes */
26#define DEATTACK_OK		0
27#define DEATTACK_DETECTED	1
28#define DEATTACK_DOS_DETECTED	2
29#define DEATTACK_ERROR		3
30
31struct 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);
38#endif
39