You can't trust the compiler so you would have to type it in to assembly, and even that is questionable since huge amounts of the hardware's microcode is now re

You can't trust the compiler so you would have to type it in to assembly, and even that is questionable since huge amounts of the hardware's microcode is now reprogrammable. I still think air-gapping works it's just that you need a pretty large airgap. Turn on the shower, fire up the microwave, move around, and hit some incorrect keys with lots of deleting when entering passwords.