Some things never change
You know, this sounds suspiciously like what IBM, Amdahl and some of the larger mini-computer manufacturers were doing in the '60s, '70s and '80s with microcoded processor extensions.
Pay a fortune, have an engineer turn up with a super secret floppy disk, and get a whole load of new instructions added to your processor.
The only difference now is that we have the Internet, so they have to protect this code with cryptography, to prevent it leaking.
Biting the hand that feeds IT
