+ * Revision 1.9 2000/06/17 11:45:09 mdw
+ * Major memory management overhaul. Added arena support. Use the secure
+ * arena for secret integers. Replace and improve the MP management macros
+ * (e.g., replace MP_MODIFY by MP_DEST).
+ *
+ * Revision 1.8 1999/12/22 15:55:00 mdw
+ * Adjust Karatsuba parameters.
+ *
+ * Revision 1.7 1999/12/11 01:51:14 mdw
+ * Use a Karatsuba-based reduction for large moduli.
+ *
+ * Revision 1.6 1999/12/10 23:18:39 mdw
+ * Change interface for suggested destinations.
+ *
+ * Revision 1.5 1999/11/22 13:58:40 mdw
+ * Add an option to disable Montgomery reduction, so that performance
+ * comparisons can be done.
+ *
+ * Revision 1.4 1999/11/21 12:27:06 mdw
+ * Remove a division from the Montgomery setup by calculating
+ * %$R^2 \bmod m$% first and then %$R \bmod m$% by Montgomery reduction of
+ * %$R^2$%.
+ *