I think this solutions provides a measure of protections. I am not so sure these protections would stay intact given the anti-cryptographic device malwares tha

I think this solutions provides a measure of protections. I am not so sure these protections would stay intact given the anti-cryptographic device malwares that are floating around, being used to attack various nation-states. Perhaps the very bespoke nature of it would make it less of a common target?