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I'm not a cryptographer, so I don't know the details on how signatures work, but this problem is already solved. It doesn't matter whether you have to have to e

I'm not a cryptographer, so I don't know the details on how signatures work, but this problem is already solved. It doesn't matter whether you have to have to establish a sidechannel for the signature -- it should still pay off for larger downloads.

Lawtonfogle 11y ago
So we would still have to rely on encryption. The system is now more complicated for the benefit of saving a few CPU cycles and allowing everyone to read the content of the message. When we tend to have plenty of CPU cycles to spare this trade off looks like a loss even not counting privacy as a virtue in and of itself.