Publications

  • 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]
  • 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

  • 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]