A practical inter-sensor broadcast authentication scheme

  • Authors:
  • Joon Wan Kim;Yong Ho Kim;Hwaseong Lee;Dong Hoon Lee

  • Affiliations:
  • Center for Information Security Technologies, Korea University;Center for Information Security Technologies, Korea University;Center for Information Security Technologies, Korea University;Center for Information Security Technologies, Korea University

  • Venue:
  • UAHCI'07 Proceedings of the 4th international conference on Universal access in human computer interaction: coping with diversity
  • Year:
  • 2007

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Abstract

For inter-sensor broadcast authentication in wireless sensor networks, Chen et al. proposed a bootstrapping scheme which enables to save only neighboring nodes' hash-chain commitments, much fewer than whole network size, before deployment [2]. However, the scheme lacks scalability and is not tolerant for node isolation. Therefore, we suggest new mechanism providing scalability and present its modified version with node-redemption which makes most of nodes participate in broadcast authentication with a little additional memory.