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Bart Preneel (born 15 October 1963 in Leuven, Belgium) is a Belgian
cryptographer Cryptography, or cryptology (from "hidden, secret"; and ''graphein'', "to write", or '' -logia'', "study", respectively), is the practice and study of techniques for secure communication in the presence of adversarial behavior. More gen ...
and
cryptanalyst Cryptanalysis (from the Greek ''kryptós'', "hidden", and ''analýein'', "to analyze") refers to the process of analyzing information systems in order to understand hidden aspects of the systems. Cryptanalysis is used to breach cryptographic se ...
. He is a professor at
Katholieke Universiteit Leuven KU Leuven (Katholieke Universiteit Leuven) is a Catholic research university in the city of Leuven, Belgium. Founded in 1425, it is the oldest university in Belgium and the oldest university in the Low Countries. In addition to its main camp ...
, in the
COSIC The Computer Security and Industrial Cryptography research group, commonly called COSIC, is a research group at the Department of Electrical Engineering of KU Leuven, which is headed by Bart Preneel. Research Research and expertise in digital ...
group. He was the president of the
International Association for Cryptologic Research The International Association for Cryptologic Research (IACR) is a non-profit scientific organization that furthers research in cryptology and related fields. The IACR was organized at the initiative of David Chaum at the CRYPTO '82 conference. ...
in 2008–2013 and project manager of ECRYPT.


Education

In 1987, Preneel received a degree in Electrical Engineering from the Katholieke Universiteit, Leuven. In 1993, Preneel received a PhD in Applied Sciences from the
Katholieke Universiteit Leuven KU Leuven (Katholieke Universiteit Leuven) is a Catholic research university in the city of Leuven, Belgium. Founded in 1425, it is the oldest university in Belgium and the oldest university in the Low Countries. In addition to its main camp ...
. His dissertation in computer science, entitled ''Analysis and Design of Cryptographic Hash Functions'', was advised by Joos (Joseph) P. L. Vandewalle and René J. M. Govaerts.


Career

Along with Shoji Miyaguchi, he independently invented the Miyaguchi–Preneel scheme, a structure that converts a
block cipher In cryptography, a block cipher is a deterministic algorithm that operates on fixed-length groups of bits, called ''blocks''. Block ciphers are the elementary building blocks of many cryptographic protocols. They are ubiquitous in the storage a ...
into a
hash function A hash function is any Function (mathematics), function that can be used to map data (computing), data of arbitrary size to fixed-size values, though there are some hash functions that support variable-length output. The values returned by a ...
, used eg. in the hash function
Whirlpool A whirlpool is a body of rotating water produced by opposing currents or a current running into an obstacle. Small whirlpools form when a bath or a sink is draining. More powerful ones formed in seas or oceans may be called maelstroms ( ). ''Vo ...
. He is one of the authors of the RIPEMD-160 hash function. He was also a co-inventor of the
stream cipher stream cipher is a symmetric key cipher where plaintext digits are combined with a pseudorandom cipher digit stream ( keystream). In a stream cipher, each plaintext digit is encrypted one at a time with the corresponding digit of the keystrea ...
MUGI which would later become a Japanese standard, and of the stream cipher
Trivium The trivium is the lower division of the seven liberal arts and comprises grammar, logic, and rhetoric. The trivium is implicit in ("On the Marriage of Philology and Mercury") by Martianus Capella, but the term was not used until the Carolin ...
which was a well-received entrant to the eSTREAM project. He has also contributed to the cryptanalysis of RC4, SOBER-t32,
MacGuffin In fiction, a MacGuffin (sometimes McGuffin) is an object, device, or event that is necessary to the plot and the motivation of the characters, but insignificant, unimportant, or irrelevant in itself. The term was originated by Angus MacPhail fo ...
,
Helix A helix (; ) is a shape like a cylindrical coil spring or the thread of a machine screw. It is a type of smooth space curve with tangent lines at a constant angle to a fixed axis. Helices are important in biology, as the DNA molecule is for ...
,
Phelix Phelix is a high-speed stream cipher with a built-in single-pass message authentication code (MAC) functionality, submitted in 2004 to the eSTREAM contest by Doug Whiting, Bruce Schneier, Stefan Lucks, and Frédéric Muller. The cipher uses onl ...
, Py, TPypy, the HAVAL
cryptographic hash function A cryptographic hash function (CHF) is a hash algorithm (a map (mathematics), map of an arbitrary binary string to a binary string with a fixed size of n bits) that has special properties desirable for a cryptography, cryptographic application: ...
, and the SecurID hash function.


References


External links


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Living people 1963 births Belgian cryptographers Flemish scientists Academic staff of KU Leuven Modern cryptographers {{crypto-bio-stub