You are a arma 3 cheat developer and you cant code your own loader with license system?
Seems legit kappa
Take a look here this may help you a lot:
This is just a proof of concept but you should be able to get it if you can code.
Login: Passwort (hashed) will be set at the first login, also the HWID with unique hash.
Server Database handling:
Register user
Query user information
Ban/Unban user
Update user password
Update user hardware id
Increment user failure counter
Reset user failure counter
RSA/AES Encryption (up to 8192 bit key)
Credits
reactiion
