Group-based key management protocol for energy efficiency in long-lived and large-scale distributed sensor networks

Kwang Jin Paek, Jongwan Klm, Chong Sun Hwang, Sang-Geun Lee, Ui Sung Song

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

As wireless sensor networks grow, so does the need for effective security mechanisms. We propose a cryptographic key-management protocol, called energy-efficient key-management (eekm) protocol. Using a location-based group key scheme, the protocol supports the revocation of compromised nodes and energy-efficient rekeying. The design is motivated by the observation that unicast-based rekeying does not meet the security requirements of periodic rekeying in long-lived wireless sensor networks. eekm supports broadcast-based rekeying for low-energy key management and high resilience. In addition, to match the increasing complexity of encryption keys, the protocol uses a dynamic composition key scheme. eekm also provides group-management protocols for secure group communication. We analyzed the energy efficiency and security of eekm and compared it to other key-management protocols using a network simulator.

Original languageEnglish
Pages (from-to)743-756
Number of pages14
JournalComputing and Informatics
Volume27
Issue number5
Publication statusPublished - 2008

Keywords

  • Energy efficiency
  • Key management
  • Location-based
  • Security
  • Sensor network

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Computer Networks and Communications
  • Computational Theory and Mathematics

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