A scalable key management and clustering scheme for wireless ad hoc and sensor networks

  • Authors:
  • Jason H. Li;Bobby Bhattacharjee;Miao Yu;Renato Levy

  • Affiliations:
  • Intelligent Automation Inc., 15400 Calhoun Drive, Ste 400, Rockville, MD, 20855, USA;Department of Computer Science, University of Maryland, College Park, MD, 20742, USA;Department of Mechanical Engineering, University of Maryland, College Park, MD, 20742, USA;Intelligent Automation Inc., 15400 Calhoun Drive, Ste 400, Rockville, MD, 20855, USA

  • Venue:
  • Future Generation Computer Systems
  • Year:
  • 2008

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Abstract

This paper describes a scalable key management and clustering scheme for secure group communications in ad hoc and sensor networks. The scalability problem is solved by partitioning the communicating devices into subgroups, with a leader in each subgroup, and further organizing the subgroups into hierarchies. Each level of the hierarchy is called a tier or layer. Key generation, distribution, and actual data transmissions follow the hierarchy. The distributed, efficient clustering approach (DECA) provides robust clustering to form subgroups, and analytical and simulation results demonstrate that DECA is energy-efficient and resilient against node mobility. Comparing with most other schemes, our approach is extremely scalable and efficient, provides more security guarantees, and is selective, adaptive and robust.