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@gredler.at) 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_ALLOCATE_COPY 2 25#define CANT_CHECK_SIGNATURE 3 26 27extern const struct tok signature_check_values[]; 28extern int signature_verify(netdissect_options *, const u_char *, u_int, 29 const u_char *, void (*)(void *), const void *); 30