Constant-Round password-based group key generation for multi-layer ad-hoc networks

  • Authors:
  • Jin Wook Byun;Su-Mi Lee;Dong Hoon Lee;Dowon Hong

  • Affiliations:
  • Center for Information Security Technologies (CIST), Korea University, Seoul, Korea;Center for Information Security Technologies (CIST), Korea University, Seoul, Korea;Center for Information Security Technologies (CIST), Korea University, Seoul, Korea;Electronics and Telecommunications Research Institute (ETRI), Daejeon, Korea

  • Venue:
  • SPC'06 Proceedings of the Third international conference on Security in Pervasive Computing
  • Year:
  • 2006

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Abstract

In this paper, we consider a multi-layer mobile ad-hoc network (MANET) composed of several kinds of networking units (such as ground soldiers, tanks, and unmanned aerial vehicles) with heterogeneous resources to communicate and compute. In this multi-layer MANET, we first propose a password-based authenticated group key exchange scheme with members' different passwords. The proposed scheme only requires constant-round to generate a group session key under the dynamic scenario, hence it is scalable, i.e., the overhead of key generation is independent of the size of a total group. We support the proposed scheme with formal security proof. Namely, our proposed scheme is the first constant-round password-based group key exchange with different passwords for the dynamic setting of MANET.