Locating compromised sensor nodes through incremental hashing authentication

Authors:
Youtao Zhang;Jun Yang;Lingling Jin;Weijia Li
Affiliations:
Computer Science Department, University of Pittsburgh, Pittsburgh, PA;Computer Science and Engineering Department, University of California at Riverside, Riverside, CA;Computer Science and Engineering Department, University of California at Riverside, Riverside, CA;Computer Science Department, University of Pittsburgh, Pittsburgh, PA
Venue:
DCOSS'06 Proceedings of the Second IEEE international conference on Distributed Computing in Sensor Systems
Year:
2006

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Abstract

While sensor networks have recently emerged as a promising computing model, they are vulnerable to various node compromising attacks. In this paper, we propose COOL, a COmpromised nOde Locating protocol for detecting and locating compromised nodes once they misbehave in the sensor network. We exploit a proven collision-resilient incremental hashing algorithm and design secure steps to confidently locate compromised nodes. The scheme can also be combined with existing en-route false report filtering schemes to achieve both early false report dropping and accurate compromised nodes isolation.