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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Replying to @colmmacc
Looking at the responses so far, I guess no one is concerned about encrypting 6 Million+ streams with unique keys live, no latency?
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Replying to @durumcrustulum
Well, if it's say 100 bytes per envelope, including some metadata etc, that's 600MB ... so yeah it might take a while to send all of that.
7:12 PM - 23 Oct 2018
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