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655 results

    • Seminar

    • SemSecuElec

    Fine-grained dynamic partitioning against cache-based side channel attacks

    • June 27, 2025 (10:00 - 11:00)

    • Inria Center of the University of Rennes - Espace de conférences

    Speaker : Nicolas Gaudin - Trasna

    The growth of embedded systems takes advantage of architectural advances from modern processors to increase performance while maintaining a low power consumption. Among these advances is the introduction of cache memory into embedded systems. These memories speed up the memory accesses by temporarily storing data close to the execution core. Furthermore, data from different applications share the[…]
    • SemSecuElec

    • Micro-architectural vulnerabilities

    • Hardware architecture

    • Seminar

    • SemSecuElec

    PHOENIX : the first crypto-agile hardware solution for ML-KEM and HQC

    • April 25, 2025 (11:00 - 12:00)

    • Inria Center of the University of Rennes - Espace de conférences

    Speaker : Antonio RAS

    The security of the public-key cryptography protecting today and tomorrow's communication is threatened by the advent of quantum computers. To address this challenge, post-quantum cryptography is employed to devise new quantum-resistant cryptosystems. The National Institute of Standards and Technology (NIST), which led the quantum-safe transition, has already standardized the first lattice KEM[…]
    • Cryptography

    • SemSecuElec

    • Hardware accelerator

    • Seminar

    • Cryptography

    Cycles of pairing-friendly abelian varieties

    • March 28, 2025 (13:45 - 14:45)

    • Salle Guernesey, ISTIC

    Speaker : Maria Corte-Real Santos - ENS Lyon

    A promising avenue for realising scalable proof systems relies on the existence of 2-cycles of pairing-friendly elliptic curves. More specifically, such a cycle consists of two elliptic curves E/Fp and E’/Fq that both have a low embedding degree and also satisfy q = #E(Fp) and p = #E’(Fq). These constraints turn out to be rather restrictive; in the decade that has passed since 2-cycles were first[…]
    • Cryptography

    • Seminar

    • Cryptography

    Constant-time lattice reduction for SQIsign

    • March 14, 2025 (13:45 - 14:45)

    • IRMAR - Université de Rennes - Campus Beaulieu Bat. 22, RDC, Rennes - Amphi Lebesgue

    Speaker : Sina Schaeffler - IBM Research

    SQIsign is an isogeny-based signature scheme which has recently advanced to round 2 of NIST's call for additional post-quantum signatures. A central operation in SQIsign is lattice reduction of special full-rank lattices in dimension 4. As these input lattices are secret, this computation must be protected against side-channel attacks. However, known lattice reduction algorithms like the famous[…]
    • Seminar

    • Cryptography

    Pairing-Free Blind Signatures from Standard Assumptions in the ROM

    • February 14, 2025 (13:45 - 14:45)

    • Salle Guernesey, ISTIC

    Speaker : Ky Nguyen - ENS

    Blind Signatures are a useful primitive for privacy preserving applications such as electronic payments, e-voting, anonymous credentials, and more. However, existing practical blind signature schemes based on standard assumptions require either pairings or lattices. We present the first practical construction of a round-optimal blind signature in the random oracle model based on standard[…]
    • Cryptography

    • Seminar

    • SemSecuElec

    Advanced techniques for fault injection attacks on integrated circuits

    • April 25, 2025 (10:00 - 11:00)

    • Inria Center of the University of Rennes - Espace de conférences

    Speaker : Paul Grandamme - Laboratoire Hubert Curien, Université Jean Monnet

    The security of integrated circuits is evaluated through the implementation of attacks that exploit their inherent hardware vulnerabilities. Fault injection attacks represent a technique that is commonly employed for this purpose. These techniques permit an attacker to alter the nominal operation of the component in order to obtain confidential information. Firstly, we propose the utilisation of[…]
    • SemSecuElec

    • Fault injection