33 lines
720 B
C
33 lines
720 B
C
#ifndef CRYPTO_H
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#define CRYPTO_H
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ntp_fp.h>
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#include <ntp.h>
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#include <ntp_stdlib.h>
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#include <ntp_md5.h> /* provides OpenSSL digest API */
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#include "utilities.h"
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#include "sntp-opts.h"
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#define LEN_PKT_MAC LEN_PKT_NOMAC + sizeof(u_int32)
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/* #include "sntp-opts.h" */
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struct key {
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struct key *next;
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int key_id;
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int key_len;
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char type[10];
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char key_seq[64];
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};
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int auth_init(const char *keyfile, struct key **keys);
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void get_key(int key_id, struct key **d_key);
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int make_mac(char *pkt_data, int pkt_size, int mac_size, struct key *cmp_key, char *digest);
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int auth_md5(char *pkt_data, int pkt_size, int mac_size, struct key *cmp_key);
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#endif
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