A Lightweight Authentication Protocol for Low-Cost RFID

  • Authors:
  • Hung-Yu Chien;Chen-Wei Huang

  • Affiliations:
  • Department of Information Management, National Chi Nan University, Taiwan, Republic of China;Department of Information Management, National Chi Nan University, Taiwan, Republic of China

  • Venue:
  • Journal of Signal Processing Systems
  • Year:
  • 2010

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Abstract

As low-cost RFIDs with limited resources will dominate most of the RFID market, it is imperative to design lightweight RFID authentication protocols for these low-cost RFIDs. However, most of existing RFID authentication protocols either suffer from some security weaknesses or require costly operations that are not available on low-cost tags. In this paper, we analyze the security vulnerabilities of a lightweight authentication protocol recently proposed by Li et al. (2006), and then propose a new lightweight protocol to improve the security and to reduce the computational cost for identifying a tag from O(n) to O(1).