2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that: (1) source code
4 * distributions retain the above copyright notice and this paragraph
5 * in its entirety, and (2) distributions including binary code include
6 * the above copyright notice and this paragraph in its entirety in
7 * the documentation or other materials provided with the distribution.
8 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
9 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
10 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
11 * FOR A PARTICULAR PURPOSE.
13 * Functions for signature and digest verification.
15 * Original code by Hannes Gredler (hannes@juniper.net)
18 /* @(#) $Header: /tcpdump/master/tcpdump/signature.h,v 1.1 2008-08-16 11:36:20 hannes Exp $ (LBL) */
20 /* signature checking result codes */
21 #define SIGNATURE_VALID 0
22 #define SIGNATURE_INVALID 1
23 #define CANT_CHECK_SIGNATURE 2
25 extern const struct tok signature_check_values[];
26 extern int signature_verify (const u_char *, u_int, u_char *);