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<?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
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: XmlEnc.php 16214 2009-06-21 19:34:03Z thomas $
*/
/**
* Zend_InfoCard_Xml_EncryptedData/Abstract.php
*/
require_once 'Zend/InfoCard/Xml/EncryptedData/Abstract.php';
/**
* An XmlEnc formatted EncryptedData XML block
*
* @category Zend
* @package Zend_InfoCard
* @subpackage Zend_InfoCard_Xml
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_InfoCard_Xml_EncryptedData_XmlEnc extends Zend_InfoCard_Xml_EncryptedData_Abstract
{
/**
* Returns the Encrypted CipherValue block from the EncryptedData XML document
*
* @throws Zend_InfoCard_Xml_Exception
* @return string The value of the CipherValue block base64 encoded
*/
public function getCipherValue()
{
$this->registerXPathNamespace('enc', 'http://www.w3.org/2001/04/xmlenc#');
list(,$cipherdata) = $this->xpath("//enc:CipherData");
if(!($cipherdata instanceof Zend_InfoCard_Xml_Element)) {
throw new Zend_InfoCard_Xml_Exception("Unable to find the enc:CipherData block");
}
list(,$ciphervalue) = $cipherdata->xpath("//enc:CipherValue");
if(!($ciphervalue instanceof Zend_InfoCard_Xml_Element)) {
throw new Zend_InfoCard_Xml_Exception("Unable to fidn the enc:CipherValue block");
}
return (string)$ciphervalue;
}
}
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