public function verify()
    {
        if ($this->_verified)
            return true;

        $output = $this->getRequest('identification/bankid/mobile/verify');

        if (empty($output->status))
            throw new Exception('Mobile BankID cannot be verified. Maybe a session timeout.', 11);

        $this->_verified = ($output->status == 'COMPLETE');

        $this->saveSession();

        return $this->_verified;
    }