/*
 * Created by Derek A. Atkins (warlord@mit.edu)
 *
 * Copyright 1994 Derek A. Atkins and the Massachusetts Institute of
 * Technology
 *
 * 	Export of software employing encryption from the United States
 *	of America is assumed to require a specific license from the United
 *	States Government.  It is the responsibility of any person or
 *	organization contemplating export to obtain such a license before
 *	exporting.
 *
 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
 * distribute this Software and its Documentation for non-commercial
 * purposes is hereby granted, provided that (i) the above copyright
 * notice and this permission notice appear on all copies of the
 * Software and Documentation, including portions thereof; (ii) any
 * software which embeds any portion of the Software or is designed to
 * operate with the Software includes an attribution to MIT Key Signer
 * and its creator in both the software and documentation; (iiI) the
 * names of M.I.T. and/or Derek Atkins are not used in advertising or
 * publicity pertaining to the distribution of any portion of the
 * Software without prior written permission from Derek Atkins and
 * M.I.T.; and (iv) copies of any modifications made to the source
 * code, including but not limited to enhancements, ports and
 * bug-fixes, are forwarded to the author.  Derek Atkins and
 * M.I.T. are hereby granted permission to incorporate any such
 * modifications into the next release of the Software and distribute
 * them under the appropriate copyright notice and this permission
 * notice.  Unmodified portions of the Software may be incorporated
 * into other software programs without sending copies of the
 * derivative work to the author.  Commercial distribution of any
 * portion of the Software requires the further written permission of
 * Derek Atkins and M.I.T.
 *
 * M.I.T. and Derek Atkins disclaim all liability for your use of the
 * Software and Documentation.  Neither M.I.T. nor Derek Atkins makes
 * any representations about the suitability of this software for any
 * purpose.  THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
 * KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO, WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGMENT.  
 */