Yes, but you would probably want to have a local copy of all public keys for the OSs for verification, it would have to go over HTTPS, and You would likely need

Yes, but you would probably want to have a local copy of all public keys for the OSs for verification, it would have to go over HTTPS, and You would likely need some signature validation. The idea is really cool, specifically I'd use this for the raspberry pi. I hope someone does some major security maintenance on this