Add HMAC DRBG from SP800-90
diff --git a/CHANGES b/CHANGES
index c4dc27a..011df12 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,10 @@
 
  Changes between 1.0.1 and 1.1.0  [xx XXX xxxx]
 
+  *) Add support for HMAC DRBG from SP800-90. Update algorithm and POST
+     to handle HMAC cases.
+     [Steve Henson]
+
   *) Add GCM support to TLS library. Some custom code is needed to split
      the IV between the fixed (from PRF) and explicit (from TLS record)
      portions. This adds all GCM ciphersuites supported by RFC5288 and