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748 results

    • Seminar

    • Cryptography

    Lightweight (AND, XOR) Implementations of Large-Degree S-boxes

    • March 20, 2026 (13:45 - 14:45)

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

    Speaker : Marie Bolzer - LORIA

    The problem of finding a minimal circuit to implement a given function is one of the oldest in electronics. In cryptography, the focus is on small functions, especially on S-boxes which are classically the only non-linear functions in iterated block ciphers. In this work, we propose new ad-hoc automatic tools to look for lightweight implementations of non-linear functions on up to 5 variables for[…]

    • Cryptography

    • Symmetrical primitive

    • Implementation of cryptographic algorithm

    • Seminar

    • Cryptography

    Predicting Module-Lattice Reduction

    • December 19, 2025 (13:45 - 14:45)

    • Batiment 22-23 salle 16 (en face de l'amphi Lebesgue)

    Speaker : Paola de Perthuis - CWI

    Is module-lattice reduction better than unstructured lattice reduction? This question was highlighted as `Q8' in the Kyber NIST standardization submission (Avanzi et al., 2021), as potentially affecting the concrete security of Kyber and other module-lattice-based schemes. Foundational works on module-lattice reduction (Lee, Pellet-Mary, Stehlé, and Wallet, ASIACRYPT 2019; Mukherjee and Stephens[…]

    • Cryptography

    • Seminar

    • SemSecuElec

    Passage à l’échelle des campagnes de simulations d’injections de fautes

    • October 24, 2025 (11:00 - 12:00)

    • IETR - University of Rennes - Campus de BEAULIEU - Bâtiment 11D, salle numéro 18

    Speaker : Ambre Iooss - Synacktiv

    Les injections de fautes constituent un vecteur d’attaque intéressant pour passer outre certaines protections lors de l’étude d’un système embarqué. Par exemple, corrompre le flot d’exécution d’un chargeur de démarrage peut permettre de passer outre une vérification de signature, et peut rendre possible l’exécution de code non signé. Dans le cas d’une exécution comportant un grand nombre d[…]

    • SemSecuElec

    • Fault injection

    • Seminar

    • Cryptography

    Structured-Seed Local Pseudorandom Generators and their Applications

    • December 05, 2025 (13:45 - 14:45)

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

    Speaker : Nikolas Melissaris - IRIF

    We introduce structured‑seed local pseudorandom generators (SSL-PRGs), pseudorandom generators whose seed is drawn from an efficiently sampleable, structured distribution rather than uniformly. This seemingly modest relaxation turns out to capture many known applications of local PRGs, yet it can be realized from a broader family of hardness assumptions. Our main technical contribution is a[…]

    • Cryptography

    • Conference

    • Side-channel

    • Fuzzing

    • Protocols

    • Security policies

    • Vulnerability management

    • Embedded systems

    Conférence sur la sécurité couche physique protocolaire

    • October 17, 2025 (09:00 - 15:30)

    • Centre Inria de l’Université de Rennes sur le campus de Beaulieu à Rennes. - Salle Petri-Turing

  • CREACH LABS, partner of the 2025 European Cyber Week

    We will be present at the 10th edition of the European Cyber Week 2025! Join us on November 19-20, 2025, at the Couvent des Jacobins in Rennes.
    September 30, 2025
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