The next ACM SigSecurity meeting is Wednesday 10/15/08 in CS209A at 7:00.
We are having a Faculty guest speaker: Dr. Chellappan. His research interests are in the areas of Network Security, Wireless Networks and Distributed Systems and at our meeting will be talking about Network Authentication.

Securely authenticating a human user without assistance from any auxiliary device in the presence of powerful passive adversaries is an important and challenging problem. Passive adversaries are those that can passively monitor, intercept, and analyze every part of the authentication procedure, except for an initial secret shared between the user and the server.
In this talk, he will propose a new secure authentication scheme called Predicate-based Authentication
Service (PAS). In this scheme, for the first time, the concept of a predicate is introduced for authentication.
He will present some analysis on the proposed scheme and implementation results of its prototype system. One of the major features of the PAS scheme is its ability to simultaneously achieve a desired level of security and user friendliness.

The website for Dr. Chellappan’s PAS can be found here: http://drtcl4.cse.ohio-state.edu/B/

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