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 
27 extern const struct tok signature_check_values[];
28 extern int signature_verify(netdissect_options *, const u_char *, u_int,
29                             const u_char *, void (*)(void *), const void *);
30