1#ifndef CRYPTO_H
2#define CRYPTO_H
3
4#include <string.h>
5#include <stdio.h>
6#include <stdlib.h>
7
8#include <ntp_fp.h>
9#include <ntp.h>
10#include <ntp_md5.h>
11#include <ntp_stdlib.h>
12
13#include "utilities.h"
14#include "sntp-opts.h"
15
16#define LEN_PKT_MAC	LEN_PKT_NOMAC + sizeof(u_int32)
17
18/* #include "sntp-opts.h" */
19
20struct key {
21	int key_id;
22	int key_len;
23	char type;
24	char key_seq[16];
25	struct key *next;
26};
27
28int auth_md5(char *pkt_data, int mac_size, struct key *cmp_key);
29int auth_init(const char *keyfile, struct key **keys);
30void get_key(int key_id, struct key **d_key);
31
32
33#endif
34