HGLAP - Hierarchical group-index based lightweight authentication protocol for distributed RFID system

  • Authors:
  • JeaCheol Ha;HwanKoo Kim;JeaHoon Park;SangJae Moon;Juanma Gonzalez Nieto;Colin Boyd

  • Affiliations:
  • Dept. of Information Security, Hoseo Univ., Korea;Dept. of Information Security, Hoseo Univ., Korea;School of Electrical Eng. and Computer Science, Kyungpook National Univ., Korea;School of Electrical Eng. and Computer Science, Kyungpook National Univ., Korea;Information Security Institute, Queensland Univ. of Technology, Brisbane, QLD, Australia;Information Security Institute, Queensland Univ. of Technology, Brisbane, QLD, Australia

  • Venue:
  • EUC'07 Proceedings of the 2007 conference on Emerging direction in embedded and ubiquitous computing
  • Year:
  • 2007

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Abstract

This paper presents a low-cost and secure authentication protocol to reduce the computational load on both the back-end database and the tags in a distributed RFID system. The proposed protocol is based on a hierarchical group-index to reduce the search time for a tag ID in the back-end database. Thus, when a tag is included in the k-th-level subgroup, the database system takes at most (k+1) ċ (k+1)√m hash operations to find the tag to be authenticated, where m is the number of tags. Furthermore, the proposed protocol also guarantees most security requirements, including robustness against replay and spoofing attacks, synchronization, and indistinguishability.