fast reduction for NIST curves

Submitted by: Nils Larsch
diff --git a/CHANGES b/CHANGES
index c211f4b..c22b945 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,12 @@
 
  Changes between 0.9.7 and 0.9.8  [xx XXX 2002]
 
+  *) Implement fast modular reduction for pseudo-Mersenne primes
+     used in NIST curves (crypto/bn/bn_nist.c, crypto/ec/ecp_nist.c).
+     EC_GROUP_new_curve_GFp() will now automatically use this
+     if applicable.
+     [Nils Larsch <nla@trustcenter.de>]
+
   *) Change the ENGINE framework to automatically load engines
      dynamically from specific directories unless they could be
      found to already be built in or loaded.  Move all the