khosb/application/classes/Auth/ORM.php

<?php defined('SYSPATH') or die('No direct access allowed.');

/**
 * This class overrides Kohana's Auth
 *
 * @package    OSB
 * @category   Modifications
 * @author     Deon George
 * @copyright  (c) 2009-2013 Open Source Billing
 * @license    http://dev.osbill.net/license.html
 */
class Auth_ORM extends Kohana_Auth_ORM {
	// Override Kohana Auth requirement to have a hash_key
	public function hash($str) {
		switch ($this->_config['hash_method']) {
			case '' : return $str;
			case 'md5': return md5($str);
			default: return hash_hmac($this->_config['hash_method'], $str, $this->_config['hash_key']);
		}
	}
}
?>