<?php
// +-----------------------------------------------------------------------+
// | Copyright (c) 2002-2003 Richard Heyes |
// | All rights reserved. |
// | |
// | Redistribution and use in source and binary forms, with or without |
// | modification, are permitted provided that the following conditions |
// | are met: |
// | |
// | o Redistributions of source code must retain the above copyright |
// | notice, this list of conditions and the following disclaimer. |
// | o Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution.|
// | o The names of the authors may not be used to endorse or promote |
// | products derived from this software without specific prior written |
// | permission. |
// | |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// | |
// +-----------------------------------------------------------------------+
// | Author: Richard Heyes <[email protected]> |
// +-----------------------------------------------------------------------+
//
// $Id$
/**
* Implmentation of CRAM-MD5 SASL mechanism
*
* @author Richard Heyes <[email protected]>
* @access public
* @version 1.0
* @package Auth_SASL
*/
require_once('Auth/SASL/Common.php');
class Auth_SASL_CramMD5 extends Auth_SASL_Common
{
/**
* Implements the CRAM-MD5 SASL mechanism
* This DOES NOT base64 encode the return value,
* you will need to do that yourself.
*
* @param string $user Username
* @param string $pass Password
* @param string $challenge The challenge supplied by the server.
* this should be already base64_decoded.
*
* @return string The string to pass back to the server, of the form
* "<user> <digest>". This is NOT base64_encoded.
*/
function getResponse($user, $pass, $challenge)
{
return $user . ' ' . $this->_HMAC_MD5($pass, $challenge);
}
}
?>