Uh, Josh, MD5()
http://php.net/manual/en/function.md5.php
It would take literally a few lines of code to put that in, although now that I think about it you would need to some way to extract the firmware from the SDK… Hmmm.
Its not a problem to just hash the local files, its just that once a new SDK is up I’ll have to update Panel to show that as well.