Cryptography people: using modern primitives, how would you build pay-per-view cable-tv style encryption? Assume a unidirectional and broadcast channel (everyone gets the same data, and can't send) because that's the hard part. Digital video though, not analog.
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Oh, I was taking it as a thought experiment, but also feeling like (as we do find out) “it depends”. I shall ponder on your response.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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