A composite key management scheme for mobile ad hoc networks

  • Authors:
  • Yingfang Fu;Jingsha He;Guorui Li

  • Affiliations:
  • College of Computer Science and Technology, Beijing University of Technology, Beijing, China;School of Software Engineering, Beijing University of Technology, Beijing, China;College of Computer Science and Technology, Beijing University of Technology, Beijing, China

  • Venue:
  • OTM'06 Proceedings of the 2006 international conference on On the Move to Meaningful Internet Systems: AWeSOMe, CAMS, COMINF, IS, KSinBIT, MIOS-CIAO, MONET - Volume Part I
  • Year:
  • 2006

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Abstract

An Ad Hoc network is a multi-path autonomous system comprised of a group of mobile nodes with wireless transceivers In this paper, we first review the present research in key management in Ad Hoc networks Then, by considering the characteristics of Ad Hoc networks in which the free movement of nodes can lead to a variety of topological changes, especially network separation and convergence, we propose a new key management scheme based on a combination of techniques, such as hierarchical topology structure, virtual CA (certification authority), offline CA and certificate chain We show that the proposed scheme would improve key management in security, expandability, validity, fault tolerance and usability.