Ah, paranoia is a good motivator to learn more. You might want to see this[1], for example. I think his solution is likely to be a trap, ie. not actually safe,

Ah, paranoia is a good motivator to learn more. You might want to see this[1], for example. I think his solution is likely to be a trap, ie. not actually safe, but the presentation is at least a good example of how complicated it is to get security right. [1] Open Source is Insufficient to Solve Trust Problems in Hardware [video] https://media.ccc.de/v/36c3-10690-open_source_is_insufficient_to_solve_trust_problems_in_hardware https://media.ccc.de/v/36c3-10690-open_source_is_insufficien...