A Low-Energy Key Management Protocol for Wireless Sensor Networks

  • Authors:
  • Gaurav Jolly;Mustafa C. Kusçu;Pallavi Kokate;Mohamed Younis

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ISCC '03 Proceedings of the Eighth IEEE International Symposium on Computers and Communications
  • Year:
  • 2003

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Abstract

Wireless sensor networks have a widespectrum of civil and military applications that call forsecurity, e.g., target surveillance in hostile environments.Typical sensors possess limited computation, energy, andmemory resources; therefore the use of vastly resource-consumingsecurity mechanisms is not possible. In thispaper, we propose a cryptographic key managementprotocol, which is based on the IBSK scheme, but only twosymmetric keys are required to be pre-deployed at eachsensor. The protocol supports the eviction of thecompromised nodes. Simulation shows that the energyconsumption overhead introduced by the key managementis remarkably low thanks to the multi-tier networkarchitecture in which only sensor-to-gateway securesessions are allowed, and reports order-of-magnitudeimprovement in energy saving as compared to the originalIBSK scheme, and Kerberos-like schemes.