Welcome to the resource topic for 2014/968
Title:
Attacks on Secure Ownership Transfer for Multi-Tag Multi-Owner Passive RFID Environments
Authors: Jorge Munilla, Mike Burmester, Albert Peinado
Abstract:Sundaresan et al proposed recently a novel ownership transfer protocol for multi-tag multi-owner RFID environments that complies with the EPC Class1 Generation2 standard. The authors claim that this provides individual-owner privacy and prevents tracking attacks. In this paper we show that this protocol falls short of its security objectives. We describe attacks that allow: a) an eavesdropper to trace a tag, b) the previous owner to obtain the private information that the tag shares with the new owner, and c) an adversary that has access to the data stored on a tag to link this tag to previous interrogations (forward-secrecy). We then analyze the security proof and show that while the first two cases can be solved with a more careful design, for lightweight RFID applications strong privacy remains an open problem.
ePrint: https://eprint.iacr.org/2014/968
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