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I have been reading about “Timing Attacks on RSA: Revealing Your Secrets through the Fourth Dimension” by Wing H. Wong. I was wondering if this attack is feasible while signing with RSA and, if yes, how?

Also, how this kind of attack is applied with DH?

Talking about timing attacks in general, in which way AES is affected and how to solve it? (I mean, with RSA the "problem" is at multiplication level, while for AES where is the problem that makes the cipher implementation key or data dependent?)

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