EMAP: An efficient mutual authentication protocol for passive RFID tags

  • Authors:
  • Guo-Rui Li;Ying Wang;Cui-Rong Wang;Jing-Sha He

  • Affiliations:
  • Electronic Information Department, Northeastern University at Qinhuangdao, Qinhuangdao, PRC 066004;Department of Information Engineering, Qinhuangdao Institute of Technology, Qinhuangdao, PRC 066000;Electronic Information Department, Northeastern University at Qinhuangdao, Qinhuangdao, PRC 066004;School of Software Engineering, Beijing University of Technology, Beijing, PRC 100124

  • Venue:
  • International Journal of Automation and Computing
  • Year:
  • 2012

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Abstract

Radio frequency identification (RFID) system is a contactless automatic identification system, which uses small and low cost RFID tags. The primary problem of current security and privacy preserving schemes is that, in order to identify only one single tag, these schemes require a linear computational complexity on the server side. We propose an efficient mutual authentication protocol for passive RFID tags that provides confidentiality, untraceability, mutual authentication, and efficiency. The proposed protocol shifts the heavy burden of asymmetric encryption and decryption operations on the more powerful server side and only leaves lightweight hash operation on tag side. It is also efficient in terms of time complexity, space complexity, and communication cost, which are very important for practical large-scale RFID applications.