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RFID tags are a new generation of small devices used for identification in many applications today. RFID authentication plays an important role in applications where security and privacy is a major concern. As an example, RFID has gained appreciation as an emerging technology to thwart counterfeiting problems. Public key cryptography (PKC) provides an impeccable solution to the counterfeiting problem. One recent family of public key cryptosystem is elliptic curve cryptography (ECC) which is a better choice than RSA cryptographic system because of its shorter key length. In this paper, we propose a secure, mutual offline authentication protocol which is based on ECC. Finally, we present security analysis of our proposed authentication protocol.
Date of Conference: 21-23 Oct. 2008