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Colloquium - Black

Recent Progress in Cryptographic Hashing
Department of Computer Science
10/18/2007
3:30pm-4:30pm

Cryptology is typically defined as cryptography (the construction of cryptographic algorithms) and cryptanalysis (attacks on these algorithms). Both are important, but the latter is more fun. Cryptographic hash functions are one of the core building blocks within both security protocols and other application domains. In the last few decades a wealth of these functions have been developed, but the two in most widespread usage are MD5 and SHA1. Recently, there has been a great deal of activity regarding their cryptanalysis and theoretical bases for possible replacements. We survey some recent results in these areas, focusing on the speaker's contributions.

John Black is an Assistant Professor of Computer Science at the University of Colorado Boulder. Dr. Black's research interests lie primarily in cryptography and cryptanalysis, particularly in the construction of fast and provably-secure algorithms and in the analysis of cryptography applied to networks and computer systems. Dr. Black received his PhD in Computer Science from the University of California at Davis in 2000. He is the recipient of an NSF CAREER award and a check from Donald Knuth for $2.56.

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