Add XXX_PROCESS_ALT mecchanism
diff --git a/ChangeLog b/ChangeLog
index a71b4a7..a6dca89 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,9 @@
 
 Features
   * Support for DTLS 1.0 and 1.2 (RFC 6347).
+  * Ability to override xxx_process() function from a md/sha module with
+    custom implementation (eg hardware accelerated), complementing the ability
+    to override the whole module.
 
 API Changes
    * ecdsa_write_signature() gained an addtional md_alg argument and