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Peter Kietzmann, Cenk Gündogan, Thomas C. Schmidt, Matthias Wählisch,
A PUF Seed Generator for RIOT: Introducing Crypto-Fundamentals to the Wild,
In: Proc. of 16th ACM International Conference on Mobile Systems, Applications (MobiSys), Poster Session, ACM : New York, NY, USA, June 2018.

Abstract: In this work, we present a random seeder for the RIOT operating system based on PUFs. Following the RIOT dedication as a general-purpose IoT operating system, we design a generic PUF extractor based on SRAM memory which is available on most platforms. We design a module for RIOT that hooks into the OS startup code right before kernel initialization. The patterns of a preserved and uninitialized SRAM block are fed into a hash function to derive the desired seed value. To the best of our knowledge, this is the first recent embedded security primitive that has entered a commodity operating system.

Themes: Network Security, Internet of Things


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