diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/InfoCard/Xml/Security/Transform/EnvelopedSignature.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/InfoCard/Xml/Security/Transform/EnvelopedSignature.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,60 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_InfoCard
+ * @subpackage Zend_InfoCard_Xml_Security
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: EnvelopedSignature.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Zend_InfoCard_Xml_Security_Transform_Interface
+ */
+require_once 'Zend/InfoCard/Xml/Security/Transform/Interface.php';
+
+/**
+ * A object implementing the EnvelopedSignature XML Transform
+ *
+ * @category   Zend
+ * @package    Zend_InfoCard
+ * @subpackage Zend_InfoCard_Xml_Security
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_InfoCard_Xml_Security_Transform_EnvelopedSignature
+    implements Zend_InfoCard_Xml_Security_Transform_Interface
+{
+    /**
+     * Transforms the XML Document according to the EnvelopedSignature Transform
+     *
+     * @throws Zend_InfoCard_Xml_Security_Transform_Exception
+     * @param string $strXMLData The input XML data
+     * @return string the transformed XML data
+     */
+    public function transform($strXMLData)
+    {
+        $sxe = simplexml_load_string($strXMLData);
+
+        if(!$sxe->Signature) {
+            require_once 'Zend/InfoCard/Xml/Security/Transform/Exception.php';
+            throw new Zend_InfoCard_Xml_Security_Transform_Exception("Unable to locate Signature Block for EnvelopedSignature Transform");
+        }
+
+        unset($sxe->Signature);
+
+        return $sxe->asXML();
+    }
+}