Key generator version

I want to sell my .EXE files with hardware-lock key protection through some ecommerce website (such as To be able they manage the client keys they request to send them the Key Generator.
I would like to know if XLS Padlock Key Generator PHP SDK kit meet the specification of this type of ecommerce providers.

Specifically I would like to know if it comply with requirements of ( They are asking the key generator version: UTF-8 Unicode or ISO8859-1. What version is Padlock Key Generator ?

Do you suggest any other ecommerce websites for this kind of software?

XLS Padlock deals with UTF-8.
The key generator can be used with share-it but it requires work to handle requests from share-it of course.