--- /dev/null
+//-----------------------------------------------------------------------------
+// Merlok - June 2011
+// Roel - Dec 2009
+// Unknown author
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// MIFARE Darkside hack
+//-----------------------------------------------------------------------------
+
+#ifndef MFKEY_H
+#define MFKEY_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "mifare.h"
+
+extern bool mfkey32(nonces_t data, uint64_t *outputkey);
+extern bool mfkey32_moebius(nonces_t data, uint64_t *outputkey);
+extern int mfkey64(nonces_t data, uint64_t *outputkey);
+
+#endif