Compression-Ratio Side Channel

I'm working through the matasano crypto challenges, and I'm onto set 7, where they describe an attack on encryption/compression oracles. I am having trouble understanding the attacks, more so the logic behind the attack and am having difficulty finding any papers on it. If anyone knows about this type of attack and how it works, it would be much appreciated if someone could explain it.

For reference, here is the link to the challenge:

Much appreciated.

Thanks, Austin.


Category: encryption Time: 2016-07-29 Views: 1

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