--- /dev/null
+//-----------------------------------------------------------------------------
+// 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.
+//-----------------------------------------------------------------------------
+// CRC64 ECMA
+//-----------------------------------------------------------------------------
+
+#ifndef __CRC64_H
+#define __CRC64_H
+
+void crc64 (const uint8_t *data, const size_t len, uint64_t *crc) ;
+
+#endif