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On The Feasibility of a New Defense Layer for Wireless Sensor Networks using RF Ranging

Chung, Tony and Roedig, Utz (2009) On The Feasibility of a New Defense Layer for Wireless Sensor Networks using RF Ranging. In: International Conference on Network and Service Security, 2009. N2S '09. IEEE, pp. 1-6. ISBN 978-2-9532-4431-1

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Abstract

Cryptography is commonly used to provide link-layer message authentication in wireless sensor networks. However, keys are susceptible to compromise and introduce management requirements. Avoiding keys can therefore deliver security and management benefits. Our paper introduces and discusses the feasibility of RTTMAP, a protocol that uses radio frequency ranging for message authentication. RTTMAP uses secure round-trip-time with hash functions to determine the minimum distance of a transmitter. Transmissions from outside of a defined radius are rejected without requiring keys. We provide our motivation, an evaluation of our findings and continuing research challenges. We find RTTMAP offers higher security, costs about twice the energy of keyed message authentication but complicates MAC protocol selection.

Item Type: Contribution in Book/Report/Proceedings
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 42459
Deposited By: ep_importer_comp
Deposited On: 01 Mar 2010 10:04
Refereed?: No
Published?: Published
Last Modified: 10 Apr 2014 01:00
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/42459

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