this post was submitted on 14 Jun 2025
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Mate, digital cinema uses this encryption /decryption method for KDMs.
The keys are tied into multiple physical hardware ids, many of which (such as player/.projector ) are also married cryptographically. Any deviation along a massive chain and you get no content.
Those playback keys are produced from DKDMs that are insanely tightly controlled. The DKDM production itself even more so.
And that's just to play a movie. This is proven tech, decades old. You're not gonna break it with premiere.
But how would one simple member of the audience easily determine if this whole chain of events is valid, when they don't even get how it works or what to look out for?
You'd have to have a public key of trusted sources that people automatically check with their browser, but all the steps in between need to be trusted too. I can imagine it is too much of a hassle for most.
But then again, that has always been the case for most.
...what audience?
I mean the viewers of the video.