The Center for Education and Research in Information Assurance and Security (CERIAS)

The Center for Education and Research in
Information Assurance and Security (CERIAS)

Sam Wagstaff - CERIAS

Students: Fall 2024, unless noted otherwise, sessions will be virtual on Zoom.

Cryptanalysis of Diffie-Hellman and Pohlig-Hellman

Jan 23, 2002

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Abstract

We describe the Diffie-Hellman key-exchange protocol and the Pohlig-Hellman cipher. We discuss discrete logarithms and the cryptanalysis of these two systems. We also describe the Mental Poker protocol.


About the Speaker

Before coming to Purdue, Professor Wagstaff taught at the Universities of Rochester, Illinois, and Georgia. He spent a year at the Institute for Advanced Study in Princeton. His research interests are in the areas of cryptography, parallel computation, and analysis of algorithms, especially number theoretic algorithms. He and J. W. Smith of the University of Georgia have built a special processor with parallel capability for factoring large integers.



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