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Physically unclonable pseudorandom functions
Armknecht, Frederik
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Maes, Roel
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Sadeghi, Ahmad-Reza
;
Sunar, Berk
;
Tuyls, Pim
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Document Type:
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Conference presentation
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Year of publication:
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2009
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Conference title:
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EUROCRYPT (28. : 2009)
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Location of the conference venue:
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Köln, Germany
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Date of the conference:
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26.-30.04.2009
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Related URLs:
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Publication language:
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English
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Institution:
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School of Business Informatics and Mathematics > Kryptographie (Juniorprofessur) (Armknecht 2010-2015)
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Subject:
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004 Computer science, internet
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Abstract:
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With the proliferation of physical attacks the implicit as-sumptions made in traditional security models no longer reflect the real
world. To address this issue, a number of new security models, e.g. Algo-rithmic Tamper-Proof Security, have been proposed. In this work, we take another step and identify the cryptographic properties of a particular family of physical functions, termed as Physically Unclonable Functions (PUFs), that exploit physical phenomena at deep-submicron and nano-scale level. PUFs provide low-cost tamper-evident and tamper-resiliant implementations. Motivated by this fact, we specifically describe a gen-
eral method for constructing Pseudorandom Functions (PRFs) from a class of PUFs. We provide a formal model for certain types of PUFs
that build the basis for PRFs, which we call PUF-PRFs. Furthermore, we show experimentally that some real world PUF instantiations (e.g.,
SRAM PUFs) satisfy the model. This strongly indicates that PUF-PRFs can indeed be physically realized.
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Additional information:
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28th Annual International Conference on the Theory and Applications of Cryptographic Techniques
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 Search Authors in
BASE:
Armknecht, Frederik
;
Maes, Roel
;
Sadeghi, Ahmad-Reza
;
Sunar, Berk
;
Tuyls, Pim
Google Scholar:
Armknecht, Frederik
;
Maes, Roel
;
Sadeghi, Ahmad-Reza
;
Sunar, Berk
;
Tuyls, Pim
ORCID:
Armknecht, Frederik  ORCID: 0009-0003-9935-8095 ; Maes, Roel ; Sadeghi, Ahmad-Reza ; Sunar, Berk ; Tuyls, Pim
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