1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_InfoCard

    17  * @subpackage Zend_InfoCard_Cipher

    18  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    19  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    20  * @version    $Id: Abstract.php 20096 2010-01-06 02:05:09Z bkarwin $

    21  */

    22 

    23 /**

    24  * Zend_InfoCard_Cipher_Pki_Interface

    25  */

    26 require_once 'Zend/InfoCard/Cipher/Pki/Interface.php';

    27 

    28 /**

    29  * An abstract class for public-key ciphers

    30  *

    31  * @category   Zend

    32  * @package    Zend_InfoCard

    33  * @subpackage Zend_InfoCard_Cipher

    34  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    35  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    36  */

    37 abstract class Zend_InfoCard_Cipher_Pki_Adapter_Abstract implements Zend_InfoCard_Cipher_Pki_Interface

    38 {

    39     /**

    40      * OAEP Padding public key encryption

    41      */

    42     const OAEP_PADDING = 1;

    43 

    44     /**

    45      * No padding public key encryption

    46      */

    47     const NO_PADDING = 2;

    48 

    49     /**

    50      * The type of padding to use

    51      *

    52      * @var integer one of the padding constants in this class

    53      */

    54     protected $_padding;

    55 

    56     /**

    57      * Set the padding of the public key encryption

    58      *

    59      * @throws Zend_InfoCard_Cipher_Exception

    60      * @param integer $padding One of the constnats in this class

    61      * @return Zend_InfoCard_Pki_Adapter_Abstract

    62      */

    63     public function setPadding($padding)

    64     {

    65         switch($padding) {

    66             case self::OAEP_PADDING:

    67             case self::NO_PADDING:

    68                 $this->_padding = $padding;

    69                 break;

    70             default:

    71                 require_once 'Zend/InfoCard/Cipher/Exception.php';

    72                 throw new Zend_InfoCard_Cipher_Exception("Invalid Padding Type Provided");

    73                 break;

    74         }

    75 

    76         return $this;

    77     }

    78 

    79     /**

    80      * Retruns the public-key padding used

    81      *

    82      * @return integer One of the padding constants in this class

    83      */

    84     public function getPadding()

    85     {

    86         return $this->_padding;

    87     }

    88 }