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    • 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

    • Upcoming

    • Conference

    Conférence sur la sécurité couche physique protocolaire

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

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

    • Upcoming

    • Conference

    BITFLIP 2025 : CyBer, reliability and Tolerance of FauLts in electronic components

    • From November 19, 2025 to November 20, 2025 (09:00 - 18:00)

    • Couvent des Jacobins , 20 Place Saint-Anne, 35000 Rennes (France) - - Metro lines A & B - Station : Place Saint-Anne

    Following the success of the first edition of the “BITFLIP by DGA” conference (CyBer, reliability and Tolerance of FauLts in electronic components) in 2023, CREACH LABS in partnership with the DGA Information Superiority is organizing the second edition of BITFLIP during the European Cyber Week 2025.

    • Seminar

    • Cryptography

    Wagner’s Algorithm Provably Runs in Subexponential Time for SIS^∞

    • November 21, 2025 (13:45 - 14:45)

    • Salle Guernesey à l'ISTIC

    Speaker : Johanna Loyer - Inria Saclay

    At CRYPTO 2015, Kirchner and Fouque claimed that a carefully tuned variant of the Blum-Kalai-Wasserman (BKW) algorithm (JACM 2003) should solve the Learning with Errors problem (LWE) in slightly subexponential time for modulus q = poly(n) and narrow error distribution, when given enough LWE samples. Taking a modular view, one may regard BKW as a combination of Wagner’s algorithm (CRYPTO 2002), run[…]

    • Cryptography

    • Seminar

    • SoSysec

    CHERIoT RTOS: An OS for Fine-Grained Memory-Safe Compartments on Low-Cost Embedded Devices

    • November 21, 2025 (11:00 - 12:00)

    • Inria Center of the University of Rennes - Room Markov

    Speaker : Hugo Lefeuvre - The University of British Columbia

    Embedded systems do not benefit from strong memory protection, because they are designed to minimize cost. At the same time, there is increasing pressure to connect embedded devices to the internet, where their vulnerable nature makes them routinely subject to compromise. This fundamental tension leads to the current status-quo where exploitable devices put individuals and critical infrastructure[…]

    • SoSysec

    • Compartmentalization

    • Operating system and virtualization

    • Hardware/software co-design

    • Hardware architecture

    • Seminar

    • Cryptography

    Présentations des nouveaux doctorants Capsule

    • October 03, 2025 (13:45 - 14:45)

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

    Speaker : Alisée Lafontaine et Mathias Boucher - INRIA Rennes

    2 nouveaux doctorants arrivent dans l'équipe Capsule et présenteront leurs thématiques de recherche. Alisée Lafontaine, encadrée par André Schrottenloher, présentera son stage de M2: "Quantum rebound attacks on double-block length hash functions"  Mathias Boucher, encadré par Yixin Shen, parlera de "quantum lattice sieving" 
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