[Resource Topic] 2015/937: End-to-end Design of a PUF-based Privacy Preserving Authentication Protocol

Welcome to the resource topic for 2015/937

Title:
End-to-end Design of a PUF-based Privacy Preserving Authentication Protocol

Authors: Aydin Aysu, Ege Gulcan, Daisuke Moriyama, Patrick Schaumont, Moti Yung

Abstract:

We demonstrate a prototype implementation of a provably secure protocol that supports privacy-preserving mutual authentication between a server and a constrained device. Our proposed protocol is based on a physically unclonable function (PUF) and it is optimized for resource-constrained platforms. The reported results include a full protocol analysis, the design of its building blocks, their integration into a constrained device, and finally its performance evaluation. We show how to obtain efficient implementations for each of the building blocks of the protocol, including a fuzzy extractor with a novel helper-data construction technique, a truly random number generator (TRNG), and a pseudo-random function (PRF). The prototype is implemented on a SASEBO-GII board, using the on-board SRAM as the source of entropy for the PUF and the TRNG. We present three different implementations. The first two execute on a MSP430 soft-core processor and have a security level of 64-bit and 128-bit respectively. The third uses a hardware accelerator and has 128-bit security level. To our best knowledge, this work is the first effort to describe the end-to-end design and evaluation of a privacy-preserving PUF-based authentication protocol.

ePrint: https://eprint.iacr.org/2015/937

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