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A technique to build a secret key in integrated circuits for identification and authentication applications | IEEE Conference Publication | IEEE Xplore

A technique to build a secret key in integrated circuits for identification and authentication applications


Abstract:

This paper describes a technique that exploits the statistical delay variations of wires and transistors across ICs to build a secret key unique to each IC. To explore it...Show More

Abstract:

This paper describes a technique that exploits the statistical delay variations of wires and transistors across ICs to build a secret key unique to each IC. To explore its feasibility, we fabricated a candidate circuit to generate a response based on its delay characteristics. We show that there exists enough delay variation across ICs implementing, the proposed circuit to identify individual ICs. Further. the circuit, functions reliably over a practical range of environmental variation such as temperature and voltage.
Date of Conference: 17-19 June 2004
Date Added to IEEE Xplore: 25 October 2004
Print ISBN:0-7803-8287-0
Conference Location: Honolulu, HI, USA

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