4 ms·
I'm completely overwhelmed by security topics, so please pardon this stupid question. But could you expound on this part: But ultimately, the conditions necess
by qeorge 14y ago
I'm completely overwhelmed by security topics, so please pardon this stupid question. But could you expound on this part:
But ultimately, the conditions necessary for this type attack are not generally realistic, and I don't believe it should be characterized as a real risk.
Shouldn't it be possible to factor out the network jitters? I'm reminded of this post by Nate Lawson about Keyczar.
http://rdist.root.org/2009/05/28/timing-attack-in-google-keyczar-library/ http://rdist.root.org/2009/05/28/timing-attack-in-google-key...
Is this attack unrealistic because taking enough samples to factor out the jitters would be very obvious to an administrator? Or is it exceedingly unlikely that a public network will ever have low enough latency to perform this sort of timing attack on this particular vector? Or am I misunderstanding your point entirely?
I really appreciate your taking the time to explain this stuff to people like me! Its fascinating.
- BCM43 14y agoIf I understand both correctly, the issue with network jitters is you need a large number of samples for each packet from which you are trying to get timing information. This causes the total samples to increase to less obtainable numbers.