/**
* Constructor.
*
* @param array $params Configuration parameters:
* - backends: (array) The explicit list of backend drivers
* (Horde_Crypt_Pgp_Backend objects) to use.
* - program: (string) The path to the GnuPG binary.
* - temp: (string) Location of temporary directory.
*/
public function __construct($params = array())
{
parent::__construct($params);
}