A onetime pad would be a good example of something I would not like to have on me if got grabbed by some oppressive regime. That is the kind of problem I mean.

A onetime pad would be a good example of something I would not like to have on me if got grabbed by some oppressive regime. That is the kind of problem I mean. Tor is not a solution, because it could be found on your computer. Radiowaves - I don't know, I would also expect them to be easily detectable, but I'll look it up.