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- Günlü, OnurLinköpings universitet,Informationskodning,Tekniska fakulteten (author)
Quality of Security Guarantees for and with Physical Unclonable Functions and Biometric Secrecy Systems
- Article/chapterEnglish2023
Publisher, publication year, extent ...
- MDPI,2023
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:liu-197895
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-197895URI
- https://doi.org/10.3390/e25081243DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Funding Agencies|ELLIIT funding; ZENITH Research and Leadership Career Development Fund; German Federal Ministry of Education and Research (BMBF) [16KISK001K, EXC 2050/1, 390696704]; U.S. National Science Foundation (NSF) [CNS-2128448, ECCS-2335876]
- Unique digital circuit outputs, considered as physical unclonable function (PUF) circuit outputs, can facilitate a secure and reliable secret key agreement. To tackle noise and high correlations between the PUF circuit outputs, transform coding methods combined with scalar quantizers are typically applied to extract the uncorrelated bit sequences reliably. In this paper, we create realistic models for these transformed outputs by fitting truncated distributions to them. We also show that the state-of-the-art models are inadequate to guarantee a target reliability level for all PUF outputs, which also means that secrecy cannot be guaranteed. Therefore, we introduce a quality of security parameter to control the percentage of the PUF circuit outputs for which a target security level can be guaranteed. By applying the finite-length information theory results to a public ring oscillator output dataset, we illustrate that security guarantees can be provided for each bit extracted from any PUF device by eliminating only a small subset of PUF circuit outputs. Furthermore, we conversely show that it is not possible to provide reliability or security guarantees without eliminating any PUF circuit output. Our holistic methods and analyses can be applied to any PUF type, as well as any biometric secrecy system, with continuous-valued outputs to extract secret keys with low hardware complexity.
Subject headings and genre
- NATURVETENSKAP Matematik Sannolikhetsteori och statistik hsv//swe
- NATURAL SCIENCES Mathematics Probability Theory and Statistics hsv//eng
- quality of security (QoSec); physical unclonable function (PUF); reliability on the quantization boundary; transforms without multiplications; IoT security
Added entries (persons, corporate bodies, meetings, titles ...)
- Schaefer, Rafael F.Tech Univ Dresden, Germany (author)
- Poor, H. VincentPrinceton Univ, NJ 08544 USA (author)
- Linköpings universitetInformationskodning (creator_code:org_t)
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- In:Entropy: MDPI25:81099-4300
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