--- loncom/auth/londes.js	2000/06/28 22:49:24	1.1
+++ loncom/auth/londes.js	2016/02/17 19:15:40	1.10
@@ -1,7 +1,33 @@
-<script language="JavaScript">
+<script type="text/javascript" language="JavaScript">
+// <![CDATA[
 // The LearningOnline Network with CAPA
 // Encryption Routines according to Data Encryption Standard DES
 // Federal Information Processing Standards Publication 46-2 (1993 Dec 30)
+//
+// $Id: londes.js,v 1.10 2016/02/17 19:15:40 raeburn Exp $
+//
+// Copyright Michigan State University Board of Trustees
+//
+// This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+//
+// LON-CAPA is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// LON-CAPA is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with LON-CAPA; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+// /home/httpd/html/adm/gpl.txt
+//
+// http://www.lon-capa.org/
+//
 // JavaScript Implementation by Gerd Kortemeyer
 // 1997,06/27/00,06/28 Gerd Kortemeyer
 
@@ -129,6 +155,7 @@ function shift(sreg) {
 // Initialize key-arrays according to uextkey and lextkey
 
 function initkeys() {
+     init();
 // Constants  
      var celements="574941332517 9 158504234261810 259514335271911 360524436";
      var delements="63554739312315 762544638302214 661534537292113 5282012 4";
@@ -349,4 +376,22 @@ function crypted(text) {
     return(hexstring(b3)+hexstring(b2)+hexstring(b1)+hexstring(b0));
 }
 
+function getCrypted(text) {
+    var cryptedtext = '';
+    if (text.length > 0) {
+        var rem = text.length % 15;
+        var count = Math.floor(text.length/15);
+        if (rem > 0) {
+            count ++;
+        }
+        for (var i=0; i<count; i++) {
+            var start = i*15;
+            cryptedtext += crypted(text.substr(start,15));
+        }
+    }
+    return cryptedtext;
+}
+
+
+// ]]>
 </script>