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Practical identity-based key agreement for secure communication in sensor networks

Szczechowiak, Piotr and Collier, Martin (2009) Practical identity-based key agreement for secure communication in sensor networks. In: ICCCN 2009 - 18th International Conference on Computer Communications and Networks, 3-6 August 2009, San Francisco, CA, USA. ISBN 978-1-4244-4581-3

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Despite much research effort key distribution in Wireless Sensor Networks (WSNs) still remains an open problem. In this paper we address this issue by proposing a simple identity- based key agreement scheme. Our protocol uses Identity-Based Cryptography (IBC) and secret key pre-distribution. We argue that IBC is in many ways a perfect solution for WSNs. It reduces the number of required keys, simplifying the key management in the network, and has a lower communications overhead than traditional public key protocols. We evaluate our proposal on a broad range of sensor platforms to show its efficiency on different CPU architectures. A complete key agreement procedure takes less than 3s on a resource- constrained Tmote Sky node without requiring any communication between two parties. To our knowledge this work is the first practical implementation of a complete IBC scheme on sensor devices. We identify a range of WSN applications which would benefit from the incorporation of a security architecture, and show that the scheme described here makes it feasible to deploy these applications in the real world.

Item Type:Conference or Workshop Item (Paper)
Event Type:Conference
Uncontrolled Keywords:cryptography; telecommunication security; wireless sensor networks;
Subjects:Engineering > Telecommunication
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Electronic Engineering
Published in:Proceedings of 18th International Conference on Computer Communications and Networks. . Institute of Electrical and Electronics Engineers. ISBN 978-1-4244-4581-3
Publisher:Institute of Electrical and Electronics Engineers
Official URL:
Copyright Information:©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
ID Code:15501
Deposited On:19 Jul 2010 11:57 by DORAS Administrator. Last Modified 19 Jul 2010 11:57

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