1 files changed, 32 insertions, 0 deletions
diff --git a/sntp/crypto.h b/sntp/crypto.h
new file mode 100644
index 0000000..39e0e6b
--- /dev/null
+++ b/sntp/crypto.h
@@ -0,0 +1,32 @@
+#ifndef CRYPTO_H
+#define CRYPTO_H
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <ntp_fp.h>
+#include <ntp.h>
+#include <ntp_stdlib.h>
+#include <ntp_md5.h>	/* provides OpenSSL digest API */
+#include "utilities.h"
+#include "sntp-opts.h"
+
+#define LEN_PKT_MAC	LEN_PKT_NOMAC + sizeof(u_int32)
+
+/* #include "sntp-opts.h" */
+
+struct key {
+	struct key *next;
+	int key_id;
+	int key_len;
+	char type[10];
+	char key_seq[64];
+};
+
+int auth_init(const char *keyfile, struct key **keys);
+void get_key(int key_id, struct key **d_key);
+int make_mac(char *pkt_data, int pkt_size, int mac_size, struct key *cmp_key, char *digest);
+int auth_md5(char *pkt_data, int pkt_size, int mac_size, struct key *cmp_key);
+
+#endif