1 /* 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. 12 * 13 * Functions for signature and digest verification. 14 * 15 * Original code by Hannes Gredler (hannes@juniper.net) 16 */ 17 18 /* @(#) $Header: /tcpdump/master/tcpdump/signature.h,v 1.1 2008-08-16 11:36:20 hannes Exp $ (LBL) */ 19 20 /* signature checking result codes */ 21 #define SIGNATURE_VALID 0 22 #define SIGNATURE_INVALID 1 23 #define CANT_CHECK_SIGNATURE 2 24 25 extern const struct tok signature_check_values[]; 26 extern int signature_verify (const u_char *, u_int, u_char *); 27