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643 results

    • Seminar

    • SoSysec

    Cherifying Linux: A Practical View on using CHERI

    • January 31, 2025 (11:00 - 12:00)

    • Centre Inria de l'Université de Rennes - - salle Aurigny

    Speaker : Kui Wang - Huawei

    The CHERI ISA extension enables modern RISC CPU architectures such as RISC-V to enforce memory safety in C/C++ programs. Recent academic works use CHERI for point solutions like constructing enclaves, verifying C programs, or hardening bytecode interpreters, but since the original construction of the CHERI-BSD OS - a FreeBSD port leveraging CHERI capabilities, by Cambridge University - little has[…]

    • SoSysec

    • Compartmentalization

    • Operating system and virtualization

    • Seminar

    • Cryptography

    Journées C2

    • April 04, 2025 (00:00 - 18:00)

    • Pornichet

    • Seminar

    • SoSysec

    A Universal Composability analysis of Android Protected Confirmation

    • January 17, 2025 (11:00 - 12:00)

    • Inria Center of the University of Rennes - - Petri/Turing room

    Speaker : Maïwenn Racouchot - CISPA

    As phones are used for more and more sensitive operations (such as bank transfers for example), there is a great necessity to design and deploy protocols that can ensure the security of such transactions, even in cases when the phone has been compromised. In order to accomplish that, Android in collaboration with Google have worked on a protocol called Android Protected Confirmation. The idea[…]

    • SoSysec

    • Formal methods

    • Protocols

    • Seminar

    • Cryptography

    Updatable Encryption from Group Actions

    • January 24, 2025 (13:45 - 14:45)

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

    Speaker : Maxime Romeas - ANSSI

    Updatable Encryption is a variant of symmetric encryption that allows to rotate the encryption key in the outsourced storage setting while minimizing the bandwith used. Indeed, any third party can update ciphertexts to the new key using a token provided by the key holder. UE schemes aim at providing strong confidentiality guarantees against adversaries that can corrupt keys and tokens.  In this[…]

    • Seminar

    • SoSysec

    Approches humanitaires du risque numérique : accidents de sécurité et impératif de protection

    • January 10, 2025 (11:00 - 12:00)

    • Inria Center of the University of Rennes - - Petri/Turing room

    Speaker : Laetitia Della Torre - Université de technologie de Compiègne

    Les ONG clament qu’elles ne sont pas des cibles (« not a target »), et plaident pour un arrêt des enlèvements d’humanitaires et des bombardements d’hôpitaux. Ajoutons que ce slogan est maintenant décliné dans une version « modernisée » : les ONG ne sont pas des cibles numériques (« not a digital target »). Ce slogan constitue un appel à stopper les cyberopérations contre les ONG, qui sont[…]

    • Risk management

    • SoSysec

    • Seminar

    • Cryptography

    Séminaire C2

    • January 17, 2025 (11:30 - 17:00)

    • Nancy

    11h30  Katharina Boudgoust (CR CNRS, LIRMM) : The Power of NAPs: Compressing OR-Proofs via Collision-Resistant HashingProofs of partial knowledge allow for proving the validity of t out of n different statements without revealing which ones those are. In this presentation, we describe a new approach for transforming certain proofs system into new ones that allows for proving partial knowledge. The[…]
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