Cryptology ePrint Archive: Report 2010/132

On the claimed privacy of EC-RAC III

Junfeng Fan and Jens Hermans and Frederik Vercauteren

Abstract: In this paper we show how to break the most recent version of EC-RAC with respect to privacy. We show that both the ID-Transfer and ID&PWD-Transfer schemes from EC-RAC do not provide the claimed privacy levels by using a man-in-the-middle attack. The existence of these attacks voids the presented privacy proofs for EC-RAC.

Category / Keywords: RFID, identification protocols, elliptic curve cryptosystem

Date: received 9 Mar 2010, last revised 10 Mar 2010

Contact author: fanjunfeng at gmail com

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Version: 20100310:091745 (All versions of this report)

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