The Side Channel

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5:05 PM

Dangit, we need the Bear back. If poncho would have participated in the election we would have had the 3 top users taking the mod spots.

I'm not entirely sure that is healthy. Maybe I should stop answering simple questions and leave them to newcomers. However, I think that I'm good at explaining them.

(this is about me moving into 3rd spot on the all time rep list)

Maarten Bodewes

5:37 PM

Actually, I miss all the persons that are not participating anymore. OTOH, most questions still get answered I suppose :)

nobody

@MaartenBodewes Why do you think it is unhealthy?

Maarten Bodewes

Dunno, seems too elitist or something, just a small core of people trying to run and do everything.

3 hours later…

Crypto HNQ

8:29 PM

Q: Is If/else vulnerable to timing side-channel attacks?

I have a branching in c++: if (x & 1) { x = function_1(x); } else { x = function_2(x); } If function_1 and function_2 are constant time and it takes the same time to compute them, is such branching still vulnerable for side-channel attacks? Can attacker somehow know which condition was e...