<?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 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) * @license    http://framework.zend.com/license/new-bsd     New BSD License * @version    $Id: XmlDSig.php 8064 2008-02-16 10:58:39Z thomas $ * @author     John Coggeshall <john@zend.com> *//** * Zend_InfoCard_Xml_KeyInfo_Abstract */require_once 'Zend/InfoCard/Xml/KeyInfo/Abstract.php';/** * Zend_InfoCard_Xml_EncryptedKey */require_once 'Zend/InfoCard/Xml/EncryptedKey.php';/** * Zend_InfoCard_Xml_KeyInfo_Interface */require_once 'Zend/InfoCard/Xml/KeyInfo/Interface.php';/** * Represents a Xml Digital Signature XML Data Block * * @category   Zend * @package    Zend_InfoCard * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) * @license    http://framework.zend.com/license/new-bsd     New BSD License * @author     John Coggeshall <john@zend.com> */class Zend_InfoCard_Xml_KeyInfo_XmlDSig    extends Zend_InfoCard_Xml_KeyInfo_Abstract    implements Zend_InfoCard_Xml_KeyInfo_Interface{    /**     * Returns an instance of the EncryptedKey Data Block     *     * @throws Zend_InfoCard_Xml_Exception     * @return Zend_InfoCard_Xml_EncryptedKey     */    public function getEncryptedKey()    {        $this->registerXPathNamespace('e', 'http://www.w3.org/2001/04/xmlenc#');        list($encryptedkey) = $this->xpath('//e:EncryptedKey');        if(!($encryptedkey instanceof Zend_InfoCard_Xml_Element)) {            throw new Zend_InfoCard_Xml_Exception("Failed to retrieve encrypted key");        }        return Zend_InfoCard_Xml_EncryptedKey::getInstance($encryptedkey);    }    /**     * Returns the KeyInfo Block within the encrypted key     *     * @return Zend_InfoCard_Xml_KeyInfo_Default     */    public function getKeyInfo()    {        return $this->getEncryptedKey()->getKeyInfo();    }}