class AppHelper extends Helper {
	
	  /* build a link using sha1 hashing and parameters */

    function buildSecureLinkArgs()
    {               	  
	  	  $lview   = ClassRegistry::getObject('view');
	  	  $hashKey = $lview->loaded['session']->read('SecureGet.hashKey');    	    	  
	  	          
        if(!$hashKey)
             $hashKey = CAKE_SESSION_STRING;

		    $args    = func_get_args();
    	  $lid     = implode('', $args);  
    	               
    	  $args[]  =  sha1($hashKey.$lid);        
        return implode('/', $args);    
    }	
}