public function initialize(array $config)
{
parent::initialize($config);
if (Configure::read('Users.GoogleAuthenticator.login')) {
$this->tfa = new TwoFactorAuth(Configure::read('Users.GoogleAuthenticator.issuer'), Configure::read('Users.GoogleAuthenticator.digits'), Configure::read('Users.GoogleAuthenticator.period'), Configure::read('Users.GoogleAuthenticator.algorithm'), Configure::read('Users.GoogleAuthenticator.qrcodeprovider'), Configure::read('Users.GoogleAuthenticator.rngprovider'), Configure::read('Users.GoogleAuthenticator.encryptionKey'));
}
}