Uniquely identify PC based on software/hardware

Question

For a requirement to generate per-PC license keys, I need some code which will return a stable and (near) unique key on any PC. It doesn\'t have to be guaranteed un

Answer 1

For a pretty brain dead test I am using the ProductID code of the OS and the computer name - both extracted from the registry. Not really secure, but its all pretend security anyway.

edit

To answer John's question about what keys I am reading:

SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProductID

SYSTEM\CurrentControlset\Control\ComputerName\ComputerName\ComputerName