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Title:
Code Constructions for Physical Unclonable Functions and Biometric Secrecy Systems
Authors: Onur Günlü, Onurcan Iscan, Vladimir Sidorenko, Gerhard Kramer
Abstract:The two-terminal key agreement problem with biometric or physical identifiers is considered. Two linear code constructions based on Wyner-Ziv coding are developed. The first construction uses random linear codes and achieves all points of the key-leakage-storage regions of the generated-secret and chosen-secret models. The second construction uses nested polar codes for vector quantization during enrollment and error correction during reconstruction. Simulations show that the nested polar codes achieve privacy-leakage and storage rates that improve on existing code designs. One proposed code achieves a rate tuple that cannot be achieved by existing methods.
ePrint: https://eprint.iacr.org/2019/759
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