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Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,293 posts.

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2017
1961

Why Constant-Time Crypto?

In 1996, Paul Kocher published a novel attack on RSA, specifically on RSA implementations , that extracted information on the private key by simply measuring the time taken by the private key operation on various inputs. It took a few years for people to accept the idea that such attacks were practical and could be…