Key establishment and authentication mechanism for secure sensor networks

  • Authors:
  • Inshil Doh;Kijoon Chae

  • Affiliations:
  • Dept. of Computer Science and Engineering, Ewha Womans University;Dept. of Computer Science and Engineering, Ewha Womans University

  • Venue:
  • APWeb'06 Proceedings of the 2006 international conference on Advanced Web and Network Technologies, and Applications
  • Year:
  • 2006

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Abstract

For secure sensor network communication, we propose a key establishment mechanism applying polynomial-based key predistribution scheme under the clustered sensor network architecture, and propose authentication mechanism. Every pair of neighboring nodes can calculate its own pairwise key using polynomial shares predistributed. Gateway nodes interconnecting the clusters play the role of stepping stones. For hop-by-hop authentication, every node adds MAC computed using pairwise key between its upstream node and itself. Broadcast authentication can be achieved using one-time digital signature.