Most cited

Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 822 posts.

Any topic
2017
154

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…

156

Tom Duff on Duff's device (1988)

I normally do not read comp.lang.c, but Jim McKie told me that `` Duff's device '' had come up in comp.lang.c again. I have lost the version that was sent to netnews in May 1984, but I have reproduced below the note in which I originally proposed the device. (If anybody has a copy of the netnews version, I would…

158

ACLU History

In the years following World War I, America was gripped by the fear that the Communist Revolution that had taken place in Russia would spread to the United States. As is often the case when fear outweighs rational debate, civil liberties paid the price. In November 1919 and January 1920, in what notoriously became…

161

The Patriot Missile Failure

On February 25, 1991, during the Gulf War, an American Patriot Missile battery in Dharan, Saudi Arabia, failed to track and intercept an incoming Iraqi Scud missile. The Scud struck an American Army barracks, killing 28 soldiers and injuring around 100 other people. A report of the General Accounting office…

180

Clojure - Getting Started

Clojure is a dynamic development environment where you interact with your program while you write it, growing and adding to it while it’s running. To work with Clojure you need an editor that supports evaluation in source files and structural editing (working with nested forms in addition to character editing).