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Splitting the Interpose PUF: A Novel Modeling Attack Strategy
2020
Transactions on Cryptographic Hardware and Embedded Systems
We demonstrate that the Interpose PUF proposed at CHES 2019, an Arbiter PUF-based design for so-called Strong Physical Unclonable Functions (PUFs), can be modeled by novel machine learning strategies up to very substantial sizes and complexities. Our attacks require in the most difficult cases considerable, but realistic, numbers of CRPs, while consuming only moderate computation times, ranging from few seconds to few days. The attacks build on a new divide-and-conquer approach that allows us
doi:10.13154/tches.v2020.i3.97-120
dblp:journals/tches/WisiolMPNMSDR20
fatcat:wbw6aenbbbcazddal4dfp47nuu