+ * Revision 1.8 2001/04/19 18:26:33 mdw
+ * Add CRC as another hash function.
+ *
+ * Revision 1.7 2001/02/21 20:03:22 mdw
+ * Added support for MD2 hash function.
+ *
+ * Revision 1.6 2001/01/25 21:40:14 mdw
+ * Support for new SHA variants added.
+ *
+ * Revision 1.5 2000/12/06 20:33:27 mdw
+ * Make flags be macros rather than enumerations, to ensure that they're
+ * unsigned.
+ *
+ * Revision 1.4 2000/08/04 23:23:44 mdw
+ * Various <ctype.h> fixes.
+ *
+ * Revision 1.3 2000/07/29 17:02:43 mdw
+ * (checkhash): Be pettier about spaces between the hash and filename, for
+ * compatiblity with `md5sum'.
+ *