Key Agreement for Heterogeneous Mobile Ad-Hoc Groups

Authors:
Mark Manulis
Affiliations:
Horst-G ortz Institute, Ruhr-University of Bochum, IC4/157, D-44801 Bochum, Germany
Venue:
ICPADS '05 Proceedings of the 11th International Conference on Parallel and Distributed Systems - Workshops - Volume 02
Year:
2005

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Abstract

In this paper we propose an efficient key agreement protocol suite for heterogeneous mobile ad-hoc groups, whose members use mobile devices with different performance limitations, e.g., laptops, PDAs, and mobile phones. Absence of a trusted central authority in ad-hoc groups requires contributory computation of the group key by interacting members. We introduce a performance ratio parameter to quantify the performance of a mobile device. Our protocols are based on elliptic curve cryptography (ECC) to achieve better computation efficiency and are proven secure.