Output::requestSign

private function requestSign($type, $str): string
{
	if (
		$type == self::TYPE_BITRIX24
		&& function_exists('bx_sign')
	)
	{
		$result = (string)bx_sign($str);
	}
	else
	{
		$LICENSE_KEY = '';
		include($_SERVER['DOCUMENT_ROOT'] . '/bitrix/license_key.php');
		$result = md5($str. md5($LICENSE_KEY));
	}

	return $result;
}