Http::requestSign

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