Lawrence Berkeley National Laboratory
University of California

Olivier Chevassut
Staff Scientist

e-mail: OChevassut@lbl.gov 

1 Cyclotron Road, MS 50B-2239, Berkeley, CA 94720, USA 
Tel: +1-510-486-4664, Fax: +1-510-495-2998 



Biographical Sketch

MS, University of Bordeaux (France), 1998; PhD, University Catholique de Louvain (Belgium), 2002; MBA, Columbia University, 2008.

Joined Lawrence Berkeley National Laboratory in 1998.

Dr. Olivier Chevassut's research focuses on the theoretical and practical aspects of both cryptography and network security.


Publications

Dr. Olivier Chevassut has co-authored 19 peer-reviewed articles on cryptographic research for leading international conferences and journals, and has one patent.

Journal papers

    Provably-Secure Authenticated Group Diffie-Hellman Key Exchange, E. Bresson, O.Chevassut, and D. Pointcheval, ACM Transactions on Information and System Security Journal (ACM TISSEC), 2007.

  1. Strong Password-based Authentication in TLS Using the Three-Party Group Diffie-Hellman Protocol, M. Abdalla, E. Bresson, O.Chevassut, B. Moeller, and D. Pointcheval, International Journal of Security and Networks (IJSN), 2006.

International conference papers

  1. The Twist-Augmented Technique for Key Exchange, O.Chevassut, P. A . Fouque, P. Gaudry, and D. Pointcheval, International Workshop on Practice and Theory in Public Key Cryptography (PKC 2006), New York City, USA, April 2006.

  2. Provably Secure Password-Based Authentication in TLS, M. Abdalla, E. Bresson, O.Chevassut, B. Moeller, and D. Pointcheval, Proceedings of the ACM Symposium on InformAtion, Computer and Communications Security (ASIACCS'06), Taipei, Taiwan, March 2006.

  3. A Simple Threshold Authenticated Key Exchange from Short Secrets, M. Abdalla, O.Chevassut, P. A . Fouque, and D. Pointcheval, Proceedings of the Asiacrypt 2005 Conference, India, Dec 2005.

  4. One-time Verifier-based Encrypted Key Exchange, M. Abdalla, O.Chevassut and D. Pointcheval, Proceedings of the International Workshop on Practice and Theory in Public Key Cryptography (PKC), Switzerland, Feb 2005.

  5. Secure Password-based Authenticated Key Exchange for Web Services, L. Fang, S. Meder, O.Chevassut and F. Siebenlist, ACM Workshop on Secure Web Services, Washington, Oct 2004.

  6. New Security Results on Encrypted Key Exchange, E. Bresson, O.Chevassut and D. Pointcheval, Proceedings of the International Workshop on Practice and Theory in Public Key Cryptography (PKC), Singapore, March 2004.

  7. Security Proofs for an Efficient Password-based Key Exchange, E. Bresson, O.Chevassut and D. Pointcheval, Proceedings of the 10th ACM Conference on Computer and Communications Security, Washington, DC, USA, October 2003.

  8. Password-based Group key Exchange in a Constant Number of Rounds, M. Abdalla, E. Bresson, O.Chevassut and D. Pointcheval, International Workshop on Practice and Theory in Public Key Cryptography (PKC 2006), New York City, USA, April 2006.

  9. A Security Solution for IEEE 802.11's Ad-hoc Mode: Password-Authentication and Group Diffie-Hellman Key Exchange, E. Bresson, O.Chevassut and D. Pointcheval, International Journal of Wireless and Mobile Computing (IJWMC)--Special Issue on Security of Computer Network and Mobile Systems, 2006.

  10. Mutual Authentication and Group Key Agreement for Low-Power Mobile Devices, E. Bresson, O.Chevassut, A. Essiari, and D. Pointcheval, Journal of Computer Communications - Special Issue on Security and Performance in Wireless and Mobile Networks, Elsevier, 2004; extended abstract in Proceedings of the 5th IFIP-TC6 International Conference on Mobile and Wireless Communications Networks, Singapore, October 2003

  11. Group Diffie-Hellman Key Exchange Secure Against Dictionary Attacks, E. Bresson, O.Chevassut and D. Pointcheval, Proceedings of Asiacrypt'02, Queenstown, New Zealand, Dec 2002.

  12. The Group Diffie-Hellman Problems, E. Bresson, O.Chevassut and D. Pointcheval, Proceedings of Selected Areas in Cryptography (SAC'02), St John's, Newfoundland, Canada, August 2002.

  13. Two Formal Views of Authenticated Group Diffie-Hellman Key Exchange, E. Bresson, O. Chevassut, O. Pereira, D. Pointcheval, and J.-J Quisquater, Cryptographic Protocols in Complex Environments, DIMACS Workshop, May 2002.

  14. Group Diffie-Hellman Key Exchange under Standard Assumptions, E. Bresson, O. Chevassut and D. Pointcheval, Proceedings of Eurocrypt'02, Amsterdam, Netherlands, April 2002.

  15. Provably Authenticated Group Diffie-Hellman Key Exchange - The Dynamic Case, E. Bresson, O. Chevassut and D. Pointcheval, Proceedings of Asiacrypt'01, Dec 9-13, Gold Coast, Queensland, Australia, 2001.

  16. Provably Authenticated Group Diffie-Hellman Key Exchange, E. Bresson, O. Chevassut, D. Pointcheval, and J. J. Quisquater, Proceedings of the 8th ACM Conference on Computer and Communications Security, Philadelphia, Pennsylvania, USA, Nov 2001.

  17. An Integrated Solution for Secure Group Communication in Wide-Area Networks, D. A. Agarwal, O. Chevassut, M. R. Thompson and G. Tsudik Proceedings of the 6th IEEE Symposium on Computers and Communications, Hammamet, Tunisia, July 3-5, 2001.

Patent

  1. "Cryptography for Secure Dynamic Group Communications: Method, Apparatus, and Signal", patent pending No. IB1973P. See Berkeley Lab Technology Transfer .
Publications available here list 1 and list 2 .


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