Interesting. By making the implicit explicit you open it to questioning. Is it really either or? Backdoored encryption is an interesting concept, but suffers f

Interesting. By making the implicit explicit you open it to questioning. Is it really either or? Backdoored encryption is an interesting concept, but suffers from the problem that the bad guys could get their hands on the key. But could there be another way? Something like k-out-of-n keyholders have to agree for the backdoor to open. Shamir's secret sharing could do it, but has the drawbacks that it's one-shot and that someone has to know the key to set the scheme up. You want every investigation to require a new k-out-of-n agreement. Ultimately we ought to design society so that a large group (legitimate protest) of people can defy the government but a small group (criminal gang) cannot.