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Cryptographic chain of custody from CCD to MPG, with public keys for video recording HW burned in at the factory. I don't know if that's at all feasible. Possibly only for security cameras.

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No, god damn it. As soon as the cat's out of the bag, it'll forever be an arms race (there'll be attack vectors, etc.).

Let's not just establish a new proxy for implicit trust here.

What qualifies as evidence, then? Trust is important, but it can only exist long-term if there's a way to detect lies/betrayal. Anyway, I expect market forces to steamroll both of our opinions.

I don't know – but as far as I see it, that's irrelevant in pointing out that video (in and of itself) should not be trusted by virtue of being video.

The fact that you can't imagine – and I don't provide – any alternative proposition does not make implicitly trusting video a good proposition.

But, yeah, I suspect reality will probably disappoint us both...

Uh, right, implicitly trusting video because it's video is definitely dumb. I don't think that's what I'm proposing. Trusting cryptography, as long as you're explicit about what you're doing and how it can fail, is at least not immediately foolish.

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