Robert Fouquet

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—The paper analyzes and proposes some enhancements of Ring Oscillators based Physical Unclonable Functions (PUFs). PUFs are used to extract a unique signature of an integrated circuit in order to authenticate a device and/or to generate a key. We show that designers of RO PUFs implemented in FPGAs need a precise control of placement and routing and an(More)
In data security systems, general purpose processors (GPPs) are often extended by a cryptographic accelerator. The article presents three ways of extending GPPs for symmetric key cryptography applications. Proposed extensions guarantee secure key storage and management even if the system is facing protocol, software and cache memory attacks. The system is(More)
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