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_Oauth

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

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

    19  * @version    $Id: Rsa.php 20217 2010-01-12 16:01:57Z matthew $

    20  */

    21 

    22 /** Zend_Oauth_Signature_SignatureAbstract */

    23 require_once 'Zend/Oauth/Signature/SignatureAbstract.php';

    24 

    25 /** Zend_Crypt_Rsa */

    26 require_once 'Zend/Crypt/Rsa.php';

    27 

    28 /**

    29  * @category   Zend

    30  * @package    Zend_Oauth

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

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

    33  */

    34 class Zend_Oauth_Signature_Rsa extends Zend_Oauth_Signature_SignatureAbstract

    35 {

    36     /**

    37      * Sign a request

    38      * 

    39      * @param  array $params 

    40      * @param  null|string $method 

    41      * @param  null|string $url 

    42      * @return string

    43      */

    44     public function sign(array $params, $method = null, $url = null) 

    45     {

    46         $rsa = new Zend_Crypt_Rsa;

    47         $rsa->setHashAlgorithm($this->_hashAlgorithm);

    48         $sign = $rsa->sign(

    49             $this->_getBaseSignatureString($params, $method, $url),

    50             $this->_key,

    51             Zend_Crypt_Rsa::BASE64

    52         );

    53         return $sign;

    54     }

    55 

    56     /**

    57      * Assemble encryption key

    58      * 

    59      * @return string

    60      */

    61     protected function _assembleKey()

    62     {

    63         return $this->_consumerSecret;

    64     }

    65 }