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On application of Host Identity Protocol in wireless sensor networks

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3 Author(s)
Andrey Khurri ; Helsinki Institute for Information Technology and, Department of Computer Science and Engineering, Aalto University ; Dmitriy Kuptsov ; Andrei Gurtov

Recent advances in development of low-cost wireless sensor platforms open up opportunities for novel wireless sensor network (WSN) applications. Likewise emerge security concerns of WSNs receiving closer attention of research community. Well known security threats in WSNs range from Denial-of-Service (DoS), Replay and Sybil attacks to those targeted at violating data integrity and confidentiality. Public-key cryptography (PKC) as a countermeasure to potential attacks, although originally treated infeasible for resource-constrained sensor nodes, has shown its eligibility for WSNs in the past few years. However, different security and performance requirements, energy consumption issues, as well as varying hardware capabilities of sensor motes pose a challenge of finding the most efficient security protocol for a particular WSN application and scenario. In this paper, we propose to use the Host Identity Protocol (HIP) as the main component for building network-layer security in WSNs. Combining PKC signatures to authenticate wireless nodes, a Diffie-Hellman key exchange to create a pairwise secret key, a puzzle mechanism to protect against DoS attacks and the IPsec protocol for optional encryption of sensitive application data, HIP provides a standardized solution to many security problems of WSNs. We discuss how HIP can strengthen security of WSNs, suggest possible alternatives to its heavy components in particular WSN applications and evaluate their computational and energy costs on a Linux-based Imote2 wireless sensor platform.

Published in:

The 7th IEEE International Conference on Mobile Ad-hoc and Sensor Systems (IEEE MASS 2010)

Date of Conference:

8-12 Nov. 2010