--- /dev/null
+Code in this directory written at the IDA Supercomputing Research Center
+carries the following copyright and license.
+
+ Copyright 1993 United States Government as represented by the
+ Director, National Security Agency. This software may be used
+ and distributed according to the terms of the GNU General Public License,
+ incorporated herein by reference.
+
+ In addition to the disclaimers in the GPL, SRC expressly disclaims any
+ and all warranties, expressed or implied, concerning the enclosed software.
+ This software was developed at SRC for use in internal research, and the
+ intent in sharing this software is to promote the productive interchange
+ of ideas throughout the research community. All software is furnished
+ on an "as-is" basis. No further updates to this software should be
+ expected. Although updates may occur, no commitment exists.