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Efficient and practical authentication of PUF-based RFID tags in supply chains

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5 Author(s)
Cortese, P.F. ; Dip. Inf. e Autom., Roma Tre Univ., Rome, Italy ; Gemmiti, F. ; Palazzi, B. ; Pizzonia, M.
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We propose new methodologies for the authentication of RFID tags along supply chains, exploiting tags equipped with a Physical Unclonable Function (PUF) device. Unlike state-of-the-art approaches that require sharing a large database of challenge-response pairs (CRPs), we achieve a constant amount of shared secret data, oblivious of the number of CRPs and tags to be handled. Such data can be distributed using a secure hardware token. The rest of the data can be released over an insecure one-way communication channel that can be realized by shipping storage media along with goods. We discuss the applicative scenario and perform experiments on pre-production PUF-based tags in order to assess the applicability of our approaches.

Published in:

RFID-Technology and Applications (RFID-TA), 2010 IEEE International Conference on

Date of Conference:

17-19 June 2010