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 /* for netdissect_options */ 19 #include "netdissect.h" 20 21 /* signature checking result codes */ 22 #define SIGNATURE_VALID 0 23 #define SIGNATURE_INVALID 1 24 #define CANT_CHECK_SIGNATURE 2 25 26 extern const struct tok signature_check_values[]; 27 extern int signature_verify(netdissect_options *, const u_char *, u_int, u_char *); 28