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708 results

    • Seminar

    • SoSysec

    Blockchain and digital currencies: between European regulation and technological challenges

    • December 05, 2025 (11:00 - 12:00)

    • Inria Center of the University of Rennes - Aurigny room

    Speaker : Loïc Miller - CentraleSupélec

    As the European Union develops a legal framework for crypto-assets and data protection, the technological question underlying the emergence of a genuine digital currency remains open. Blockchain today stands as an interdisciplinary field of study at the crossroads of computer science, economics, and law. This presentation will place the ongoing regulatory framework in perspective with the[…]

    • SoSysec

    • Distributed systems

    • Seminar

    • Cryptography

    Attacking the Supersingular Isogeny Problem: From the Delfs–Galbraith algorithm to oriented graphs

    • January 23, 2026 (13:45 - 14:45)

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

    Speaker : Arthur Herlédan Le Merdy - COSIC, KU Leuven

    The threat of quantum computers motivates the introduction of new hard problems for cryptography.One promising candidate is the Isogeny problem: given two elliptic curves, compute a “nice’’ map between them, called an isogeny.In this talk, we study classical attacks on this problem, specialised to supersingular elliptic curves, on which the security of current isogeny-based cryptography relies. In[…]

    • Cryptography

    • Seminar

    • Cryptography

    Post-Quantum Public-Key Pseudorandom Correlation Functions for OT

    • December 12, 2025 (13:45 - 14:45)

    • Salle Guernesey à l'ISTIC

    Speaker : Mahshid Riahinia - ENS, CNRS

    Public-Key Pseudorandom Correlation Functions (PK-PCF) are an exciting recent primitive introduced to enable fast secure computation. Despite significant advances in the group-based setting, success in the post-quantum regime has been much more limited. In this talk, I will introduce an efficient lattice-based PK-PCF for the string OT correlation. At the heart of our result lie several technical[…]

  • CREACH LABS - annual postdoctoral and research engineer funding campaign

    CREACH LABS launches its 2026 call for projects to fund postdoctoral and research engineer positions.
    November 04, 2025

    • Seminar

    • SoSysec

    What you never wanted to know about vulnerability databases

    • November 21, 2025 (10:00 - 11:00)

    • Inria Center of the University of Rennes - Room Métivier

    Speaker : Henrik Plate - Endor Labs

    Vulnerability databases play a crucial role in modern software security, serving as the backbone for Application Security (AppSec) and Software Composition Analysis (SCA) tools. However, the accuracy and reliability of these databases vary significantly, often leading to misinformed security decisions. This talk explores the challenges associated with vulnerability databases, including incomplete[…]

    • Risk Assessment

    • SoSysec

    • Vulnerability management

    • 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

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