Good summary, the only difference between this and the house key example is that you can "forget" the password. When you "forget" there is nothing they can do besides say you are unstable and hold you in contempt of court.
Plaintiff: "There was a dead-body in the toilet, but the defendant has been regularly flushing, thereby destroying the evidence and proving his guilt."
Judge: "Well, if you say it, it must be true!"