About us
We, the CITS Research Group, ...


... are organizing and presently preparing the competition MysteryTwister

Since October 2001, Hans Dobbertin holds the newly founded chair for Cryptology and IT Security (CITS) in the Faculty of Mathematics at the Ruhr-University Bochum. (Bochum is a city in the Ruhr region of Germany, close to Cologne. The Ruhr-University Bochum, founded in 1962, presently has about 29,000 students.)

The CITS research group works on both foundations and practical applications of cryptology. Main topics are for instance block ciphers, stream ciphers, hash functions, multi-variate asymmetric schemes, elliptic and hyper-elliptic curves, side channel attacks.

An important crypto event this year, AES4, the Fourth Conference on the Advanced Encryption Standard (May 10 -- 12, 2004, Bonn, Germany) was an initiative of the CITS group. AES4, www.aes4.org, was organized by A. Sowa (general chair), H. Dobbertin (program chair), and V. Rijmen (program chair) from the Graz University of Technology.



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