Major memory management overhaul. Added arena support. Use the secure

[u/mdw/catacomb] / mpmont-mexp.c

diff --git a/mpmont-mexp.c b/mpmont-mexp.c
index b541f8c..0e5da91 100644 (file)
--- a/mpmont-mexp.c
+++ b/mpmont-mexp.c
@@ -1,8 +1,8 @@
 /* -*-c-*-
  *
- * $Id: mpmont-mexp.c,v 1.3 1999/12/10 23:18:39 mdw Exp $
+ * $Id: mpmont-mexp.c,v 1.4 2000/06/17 11:45:09 mdw Exp $
  *
- * Multiplle simultaneous exponentiations
+ * Multiple simultaneous exponentiations
  *
  * (c) 1999 Straylight/Edgeware
  */
@@ -30,6 +30,11 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: mpmont-mexp.c,v $
+ * Revision 1.4  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 1.3  1999/12/10 23:18:39  mdw
  * Change interface for suggested destinations.
  *
@@ -121,6 +126,9 @@ mp *mpmont_mexpr(mpmont *mm, mp *d, mpmont_factor *f, size_t n)
    *
    * I must scan the exponents from left to right, which is a shame.  It
    * means that I can't use the standard @mpscan@ stuff, in particular.
+   *
+   * If any of the exponents are considered secret then make the accumulator
+   * automatically set the secret bit.
    */
 
   {
@@ -132,6 +140,8 @@ mp *mpmont_mexpr(mpmont *mm, mp *d, mpmont_factor *f, size_t n)
       s[i].len = MP_LEN(f[i].exp);
       if (s[i].len > o)
        o = s[i].len;
+      if (f[i].exp->f & MP_BURN)
+       spare = MP_NEWSEC;
     }
     b = 0;
   }