public function generateHiddenFields()
    {
        $name = $this->generateFormName();
        $token = $this->generateToken($name);
        $html = '<input type="hidden" name="' . self::REQUEST_TOKEN_NAME . '" value="' . $name . '" />';
        $html .= '<input type="hidden" name="' . self::REQUEST_TOKEN_VALUE . '" value="' . $token . '" />';
        return $html;
    }