Quantum readout of physical unclonable functions
AFRICACRYPT'10 Proceedings of the Third international conference on Cryptology in Africa
Security analysis of image-based PUFs for anti-counterfeiting
CMS'12 Proceedings of the 13th IFIP TC 6/TC 11 international conference on Communications and Multimedia Security
Strong PUFs and their (physical) unpredictability: a case study with power PUFs
Proceedings of the Workshop on Embedded Systems Security
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Anti-counterfeiting is a global problem. Brand owners turn to advanced anti-counterfeiting techniques to seek for a good technical solution. An anti-counterfeiting system normally binds a product with a digital identifier, which per se is encoded by a physical identifier. The physical identifier then is attached with the product. If the physical identifier is cloneable or reusable, the counterfeit products could easily cheat the anti-counterfeiting system. In this paper, we propose an anti-counterfeiting system applying physical uncloneable function (PUF) as the physical identifier. We use a random pattern formed by scattering particles as PUF and we encode the digital identifier in the random pattern. The randomness makes the pattern utmost difficult to be physically cloned. The contributions of this paper are two-fold: (1) a method to encode and decode the digital identifier in the random pattern is proposed, and (2) a user-friendly anti-counterfeiting system using PUF is built.