Two things: 1. This is still murky law, still being explored... but I believe you can't be compelled to reveal something you know (your password) but could be

Two things: 1. This is still murky law, still being explored... but I believe you can't be compelled to reveal something you know (your password) but could be compelled to reveal something you have (a key.) 2. Contempt of court I think is for 6 months at a time and has to be renewed, and regularly isn't renewed. If your hard drive contains crimes worse than 6mo of jail, contempt is a good way to go.