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Enhancing Strong PUF Security with Non-monotonic Response Quantization. (arXiv:2206.03440v1 [eess.SY])
June 8, 2022, 1:20 a.m. | Kleber Stangherlin, Zhuanhao Wu, Hiren Patel, Manoj Sachdev
cs.CR updates on arXiv.org arxiv.org
Strong physical unclonable functions (PUFs) provide a low-cost authentication
primitive for resource constrained devices. However, most strong PUF
architectures can be modeled through learning algorithms with a limited number
of CRPs. In this paper, we introduce the concept of non-monotonic response
quantization for strong PUFs. Responses depend not only on which path is
faster, but also on the distance between the arriving signals. Our experiments
show that the resulting PUF has increased security against learning attacks. To
demonstrate, we designed …
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