+ * Revision 1.9 2001/06/22 19:37:59 mdw
+ * New interface to enquire whether a key has expired.
+ *
+ * Revision 1.8 2001/02/03 11:57:38 mdw
+ * Allow creating keyfiles with no file attached.
+ *
+ * Revision 1.7 2000/12/06 20:33:27 mdw
+ * Make flags be macros rather than enumerations, to ensure that they're
+ * unsigned.
+ *