I don't know if a law compelling you to reveal encryption keys to the government/police/courts is valid in the UK. I do, however, know that such a law is morally reprehensible. Quite frankly, it is in the interest of the people to ensure encryption tools are entirely useable by criminals, gangsters, and terrorists, because that ensures they are entirely useable by lawful citizens as well. Unlike guns (something possi…
Let's say I have a hard drive full of illegal material, the police suspect it and have enough evidence to obtain a warrant, should I not then be obligated to show the contents of the hard drive? Much like a warrant for a home or business premises, why should it not be enforceable for digital things too?
In most countries the police don't get a search warrant for your head - except where you are wearing an orange jumpsuit and having water poured down your throat.