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Cooperative strategies for pairwise secure communication channels in sensor networks

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/3277

Cooperative strategies for pairwise secure communication channels in sensor networks

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Title: Cooperative strategies for pairwise secure communication channels in sensor networks
Author: Oelschlaeger, Peter
Advisor(s): Heileman, Greg
Committee Member(s): Shu, Wei Wennie
Maccabe, Arthur B. "Barney"
Department: University of New Mexico. Dept. of Electrical and Computer Engineering
Subject: sensor networks
secure
channel
network
sensor
key management
Degree Level: Masters
Abstract: Establishing secure communication channels in sensor networks is made especially difficult because of low power resources, hostile environments, and wireless communication. The power requirements of traditional cryptographic methods create the need for alternative strategies for secure communication in sensor networks. This thesis explores key distribution techniques in sensor networks. Specifically, we study in depth one method that enables sensors to establish pairwise secure communication channels. This strategy relies on a cooperative set of peer sensors to construct a unique key between two sensors. We built a unique network simulator to test secure communication parameters in a typical deployment scenario. This research tests the strategy by which the cooperative set of sensors is chosen. The results demonstrate that a strategy favoring neighbor nodes consumes significantly less energy than other alternatives at the expense of vulnerability to geographically localized attacks.
Graduation Date: July 2007
URI: http://hdl.handle.net/1928/3277


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