There's a significant legal difference between keys and passwords in the US: you can't be legally compelled to divulge the latter. And I imagine that based on t

There's a significant legal difference between keys and passwords in the US: you can't be legally compelled to divulge the latter. And I imagine that based on the principle of non-self-incrimination in other countries' laws, it may very well be very similar in other countries as well.