version 1.2, 5/26/99 Designed by Bruce Schneier Featured in Neal Stephenson’s Cryptonomicon This page has been translated into German by Nils Plaumann, into French by Fernandes Gilbert, into Spanish by Jesús Cea Avión, into Italian by Silvio Coccaro, and into Czech by Michal Altair Valášek. In Neal Stephenson’s novel Cryptonomicon, the character Enoch Root describes a cryptosystem code-named “Pont
Apple Turns on iPhone Tracking in iOS6 This is important: Previously, Apple had all but disabled tracking of iPhone users by advertisers when it stopped app developers from utilizing Apple mobile device data via UDID, the unique, permanent, non-deletable serial number that previously identified every Apple device. For the last few months, iPhone users have enjoyed an unusual environment in which a
When Will We See Collisions for SHA-1? On a NIST-sponsored hash function mailing list, Jesse Walker (from Intel; also a member of the Skein team) did some back-of-the-envelope calculations to estimate how long it will be before we see a practical collision attack against SHA-1. I’m reprinting his analysis here, so it reaches a broader audience. According to E-BASH, the cost of one block of a SHA-1
Did NSA Put a Secret Backdoor in New Encryption Standard? Bruce SchneierWiredNovember 15, 2007 Random numbers are critical for cryptography: for encryption keys, random authentication challenges, initialization vectors, nonces, key-agreement schemes, generating prime numbers and so on. Break the random-number generator, and most of the time you break the entire security system. Which is why you sh
SHA-3 to Be Announced NIST is about to announce the new hash algorithm that will become SHA-3. This is the result of a six-year competition, and my own Skein is one of the five remaining finalists (out of an initial 64). It’s probably too late for me to affect the final decision, but I am hoping for “no award.” It’s not that the new hash functions aren’t any good, it’s that we don’t really need on
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