+ * Revision 1.4 1998/01/12 16:46:02 mdw
+ * Fix copyright date.
+ *
+ * Revision 1.3 1997/09/26 09:14:58 mdw
+ * Merged blowfish branch into trunk.
+ *
+ * Revision 1.2.2.1 1997/09/26 09:08:07 mdw
+ * Use the Blowfish encryption algorithm instead of IDEA. This is partly
+ * because I prefer Blowfish (without any particularly strong evidence) but
+ * mainly because IDEA is patented and Blowfish isn't.
+ *