Publications

  • A Not So Discrete Sampler: Power Analysis Attacks on HAWK signature scheme
    with Morgane Guerreau
    In the proceedings of TCHES 2024 [eprint]
  • Raccoon: A Masking-Friendly Signature Proven in the Probing Model
    with Rafaël del Pino, Shuichi Katsumata and Thomas Prest
    In the proceedins of CRYPTO 2024 [eprint]
  • A provably masked implementation of BIKE Key Encapsulation Mechanism
    with Loïc Demange.
    In the 2024th edition of the journal Communications in Cryptology (CiC) Volume 1, Issue 1 [eprint][Github]
  • I co-authored the Raccoon NIST on-ramp signature submission. More info on our dedicated website.
  • Mask Compression: High-Order Masking on Memory-Constrained Devices
    with Markku-Juhani O. Saarinen.
    In the proceedings of Selected Areas in Cryptography (SAC) 2023 [eprint]
  • Constant Input Attribute Based (and Predicate) Encryption from Evasive and Tensor LWE
    with Shweta Agrawal, Shota Yamada and Anshu Yadav
    In the proceedings of CRYPTO 2023 [eprint]
  • GeT a CAKE: Generic Transformations from Key Encaspulation Mechanisms to Password Authenticated Key Exchanges
    with Hugo Beguinet, Céline Chevalier, David Pointcheval and Thomas Ricosset.
    In the proceedings of ACNS 2023 [eprint]
  • High-Order Masking of Lattice Signatures in Quasilinear Time
    with Rafaël del Pino, Thomas Prest and Markku-Juhani O. Saarinen.
    In the proceedings of Security & Privacy (S&P) 2023
  • On the Algebraic Immunity – Resiliency trade-off, implications for Goldreich’s Pseudorandom Generator
    with Aurélien Dupin and Pierrick Méaux.
    In the 2023rd edition of Design Codes and Cryptography (DCC) journal [eprint] [Github]
  • The Hidden Parallelepiped Is Back Again: Power Analysis Attacks on Falcon.
    with Morgane Guerreau, Ange Martinelli and Thomas Ricosset.
    In the proceedings of TCHES 2022 [eprint] [GitHub]
  • Mitaka: a simpler, parallelizable, maskable variant of Falcon.
    with Thomas Espitau, Pierre-Alain Fouque, François Gérard, Akira Takahashi, Mehdi Tibouchi, Alexandre Wallet and Yang Yu.
    In the proceedings of EUROCRYPT 2022 [eprint] [GitHub]
  • LWE with Side Information: Attacks and Concrete Security Estimation.
    with Dana Dachman-Soled, Léo Ducas and Huijing Gong.
    In the proceedings of CRYPTO 2020 [eprint] [GitHub]
  • (One) failure is not an option: Bootstrapping the search for failures in lattice-based encryption schemes.
    with Jan-Pieter D’Anvers and Fernando Virdia.
    In the proceedings of EUROCRYPT 2020 [eprint]
  • Isochronous Gaussian Sampling: From Inception to Implementation.
    with James Howe and Thomas Prest and Thomas Ricosset.
    In the proceedings of PQ-Crypto 2020 [eprint] [GitHub]
  • GALACTICS: Gaussian Sampling for Lattice-Based Constant-Time Implementation of Cryptographic Signatures, Revisited.
    with Gilles Barthe, Sonia Belaïd, Thomas Espitau, Pierre-Alain Fouque and Mehdi Tibouchi.
    In the proceedings of ACM-CCS 2019 [eprint] [GitHub]
  • An Efficient and Provable Masked Implementation of qTESLA.
    with François Gérard.
    In the proceedings of CARDIS 2019 [eprint] [GitHub]
  • Assessment of the Key-Reuse Resilience of NewHope.
    with Aurélie Bauer, Henri Gilbert and Guénaël Renault.
    In the proceedings of CT-RSA 2019 [eprint] [pdf] [code]
  • On the Concrete Security of Goldreich’s Pseudorandom Generator.
    with Geoffroy Couteau, Aurélien Dupin, Pierrick Méaux and Yann Rotella.
    In the proceedings of ASIACRYPT 2018 [eprint] [pdf] [code]
  • Masking the GLP Lattice-Based Signature Scheme at Any Order.
    with Gilles Barthe, Sonia Belaïd, Thomas Espitau, Pierre-Alain Fouque, Benjamin Grégoire and Mehdi Tibouchi.
    In the proceedings of EUROCRYPT 2018 [blog post] [eprint] [pdf] [code]
    Also in the 2024th edition of Journal of Cryptology, Volume 37, article 5
  • A side channel assisted cryptanalytic attack against QcBits.
    with Mike Hamburg, Michael Hutter and Mark E. Marson.
    In the proceedings of CHES 2017 [eprint] [pdf] [code]

Conference Talks

  • PQC Transition in France (update) – ANSSI Views
    Presented in RWPQC 2023 (and other seminars), Tokyo, March 26th [Slides]
  • Side-channel countermeasures for lattice-based cryptography
    VeriSiCC Seminar, Paris, Sept 22nd 2022
  • (In French) Sécurité étendue de la cryptographie fondée sur les réseaux euclidiens: tour d’horizon des techniques d’attaque et de protection [Slides]
    Journées C2, Hendaye, April 13th 2022
  • PQC Transition in France – ANSSI Views
    Presented in PQ-CRYPTO 2021 and other seminars [Slides]
  • Assessing residual security of lattice-based cryptography
    CRISIS 2020, November 3rd
  • Isochronous Gaussian Sampling: From Inception to Implementation.
    PQCrypto, 2020, September 22nd, pre-recorded video for the remote conference (due to the Covid19 situation) [Youtube]
  • LWE with Side Information: Attacks and Concrete Security Estimation.
    Crypto, 2020, August 17th, pre-recorded video for the remote conference (due to the Covid19 situation) [Youtube]
  • (One) failure is not an option: Bootstrapping the search for failures in lattice-based encryption schemes.
    Eurocrypt, 2020 May 15th, pre-recorded video for the remote conference (due to the Covid19 situation)
  • Isochrony techniques for lattice-based signatures.
    RISQ workshop, 2020 March 24th, presented remotely (due to the Covid19 situation) [slides]
  • Simple, Fast and Constant-Time Gaussian Sampling over the Integers for FALCON.
    NIST PQC workshop, 2019 August 23rd, Santa Barbara, USA [slides]
  • Assessment of the Key-Reuse Resilience of NewHope.
    RSA Conference, 2019 March, San Francisco, USA [slides]
  • On the Concrete Security of Goldreich’s Pseudorandom Generator.
    ASIACRYPT, 2018 December 4th, Brisbane, Australia [slides]
  • Masking the GLP Lattice-Based Signature Scheme at Any Order.
    EUROCRYPT, 2018 May 1st, Tel Aviv, Israel [slides] [Youtube]
  • Masking Lattice-based Fiat-Shamir-with-aborts Signatures at Any Order.
    CryptoAction Symposium, 2018 April 5th, Sutomore, Montenegro
  • A side channel assisted cryptanalytic attack against QcBits.
    CHES, 2017 September 26th, Taipei, Taiwan [slides] [Youtube]

Program Committee

PKC 2020, TCHES 2022, TCHES 2023, ITW 2023, ACNS 2023, CRYPTO 2023, Journées C2 2023, TCHES 2024, EUROCRYPT 2024, PQ-CRYPTO 2024, CASCADE 2025 (second issue), PQ-CRYPTO 2025