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Paper 2009/278

Towards Electrical, Integrated Implementations of SIMPL Systems

Ulrich Rührmair and Qingqing Chen and Paolo Lugli and Ulf Schlichtmann and Martin Stutzmann and György Csaba

Abstract

This paper discusses the practical implementation of a novel security tool termed SIMPL system, which was introduced in [1]. SIMPL systems can be regarded as a public key version of physical unclonable functions (PUFs). Like the latter, a SIMPL system S is physically unique and nonreproducible, and implements an individual function FS. In opposition to a PUF, however, a SIMPL system S possesses a publicly known numerical description, which allows its digital simulation and prediction. At the same time, any such simulation must work at a detectably lower speed than the real-time behavior of S. As argued in [1], SIMPL systems have certain practicality and security advantages in comparison to PUFs, certificates of authenticity, physically obfuscated keys, and also to standard mathematical cryptotechniques. In [1], definitions, protocols, and optical implementations of SIMPL systems were presented. This manuscript focuses on concrete electrical, integrated realizations of SIMPL systems, and proposes two potential candidates: SIMPL systems derived from special SRAM-architectures (socalled “skew designs” of SRAM cells), and implementations based on Cellular Non-Linear Networks (CNNs).

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Published elsewhere. Unknown where it was published
Keywords
Physical Unclonable FunctionsPublic Key Cryptography
Contact author(s)
ruehrmai @ in tum de
History
2009-06-11: received
Short URL
https://ia.cr/2009/278
License
Creative Commons Attribution
CC BY
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