[quickthrower2]

With physical coercion, all bets are off. The goal is to survive. You probably want a distress password perhaps.

[deafpolygon]

The police can coerce you using biometrics. They can't torture you for what you know.

[quickthrower2]

Ah ok, so I take it by coerced physically you mean coerced by a warrant/subpoena to physically unlock something?

[deafpolygon]

Or by a bully, girlfriend, wife, etc.