4 ms·
Isn't the classical solution to this encryption problem to always send packages in the same size at regular intervals. If each host adds a layer of encryption y
by maljx 11y ago
Isn't the classical solution to this encryption problem to always send packages in the same size at regular intervals. If each host adds a layer of encryption you can't match the packages at the end points. Is this just too expensive? (I'm not an expert so genuine question from my naive POV.)
- chatmasta 11y agoI don't know about "classical," but this is the approach Dissent [0] takes to thwarting traffic analysis. Communication is broken into "rounds" and intervals within those, so that every packet is indistinguishable from the outside based on size alone. [0] http://dedis.cs.yale.edu/dissent/ http://dedis.cs.yale.edu/dissent/
- nsshey 11y agoThat seems like a sensible solution to beating part of the problem. I would agree - does anyone have any insights on this method in regards to TOR?
- IneffablePigeon 11y agoCertainly a possible strategy, but for web traffic it isn't ideal: web traffic is bursty and latency-sensitive. You can also probably still do a little bit of correlation for very large, long uploads to servers with not much other usage, but admittedly that's a much smaller target.