Never trust a bunny

  • Authors:
  • Daniel J. Bernstein;Tanja Lange

  • Affiliations:
  • Department of Computer Science, University of Illinois at Chicago, Chicago, IL;Department of Mathematics and Computer Science, Technische Universiteit Eindhoven, Eindhoven, The Netherlands

  • Venue:
  • RFIDSec'12 Proceedings of the 8th international conference on Radio Frequency Identification: security and privacy issues
  • Year:
  • 2012

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Abstract

"Lapin" is a new RFID authentication protocol proposed at FSE 2012. "Ring-LPN" (Ring-Learning-Parity-with-Noise) is a new computational problem proposed in the same paper; there is a proof relating the security of Lapin to the difficulty of Ring-LPN. This paper presents an attack against Ring-LPN-512 and Lapin-512. The attack is not practical but nevertheless violates specific security claims in the FSE 2012 paper.