Prof. dr. ir. Bart Preneel
Professor Bart Preneel of K.U. Leuven heads the COSIC (COmputer Security and Industrial Cryptography) research group. His main research area is information security with a focus on cryptographic algorithms and protocols as well as their applications to both computer and network security, and mobile communications.
In the 1990s, serious weakness were identified by Dobbertin and others in the most widely used hash functions MD4 and MD5. Later on, the US