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Proceedings Paper

A lightweight key distribution mechanism for wireless sensor networks
Author(s): Sirisha Medidi; Murali Medidi; Lynsey E. Compton-Drake; Jiong Wang; Ray Robert Rydberg
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Paper Abstract

Security is of critical importance for many potential applications of wireless sensor networks. In order to maintain secure communication throughout the network, it is of vital importance to maintain encryption key freshness by regularly distributing new keys to all nodes. Distribution of group keys used to encrypt broadcast communication is expensive, as it is generally achieved via flooding, which taxes the limited battery life available to each node. We propose LKDT, a lightweight encryption key distribution tree building mechanism with an optional Multi- Coverage Reduction (MCR) stage to provide a framework by which to distribute keys while reducing power consumption and broadcast coverage overlap. Additionally, LKDT can configure itself quickly, allowing the base station to begin updating keys shortly after deployment.

Paper Details

Date Published: 16 April 2008
PDF: 10 pages
Proc. SPIE 6980, Wireless Sensing and Processing III, 69800E (16 April 2008); doi: 10.1117/12.778134
Show Author Affiliations
Sirisha Medidi, Washington State Univ. (United States)
Murali Medidi, Washington State Univ. (United States)
Lynsey E. Compton-Drake, Washington State Univ. (United States)
Jiong Wang, Washington State Univ. (United States)
Ray Robert Rydberg, Washington State Univ. (United States)

Published in SPIE Proceedings Vol. 6980:
Wireless Sensing and Processing III
Sohail A. Dianat; Michael D. Zoltowski, Editor(s)

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