Location dependent key management using random key-predistribution in sensor networks

  • Authors:
  • Farooq Anjum

  • Affiliations:
  • Telcordia Technology, Piscataway, NJ

  • Venue:
  • WiSe '06 Proceedings of the 5th ACM workshop on Wireless security
  • Year:
  • 2006

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Abstract

In this paper we propose a location aware approach for key management in sensor networks. As a result, this approach not only provides for better connectivity of sensor nodes in the network but also provides for containment of node compromise. This approach which we call as location dependent key (LDK) management does not require any knowledge about the deployment of sensor nodes. LDK starts off with loading a random set of keys on each sensor node prior to deployment. The actual keys are then derived from this set after the sensor nodes are deployed. LDK also allows for additions of sensor nodes to the network at any point in time. We study the proposed scheme in detail using simulations. The proposed scheme is also compared with some existing key management schemes designed for sensor networks.