diff -rupN old/includes/DataUtil.class.php new/includes/DataUtil.class.php
--- includes/DataUtil.class.php	2008-12-08 13:31:42.000000000 -0500
+++ includes/DataUtil.class.php	2009-08-23 19:48:25.169290742 -0400
@@ -448,9 +448,9 @@ class DataUtil
                 return bin2hex(mhash(MHASH_SHA256, $string));
             } else {
                 if (!class_exists('SHA256')) {
-                    Loader::requireOnce('includes/classes/hashes/sha256.class.php');
+                #    Loader::requireOnce('includes/classes/hashes/sha256.class.php');
                 }
-                return SHA256::hash($string);
+                return hash('sha256', $string);
             }
         }
         else if ($type == 'md5') {