Loïc Masure's publications

Masking

General Security Bounds for Leakage Resilience

[6]	Julien Béguinot, Wei Cheng, Sylvain Guilley, Yi Liu, Loïc Masure, Olivier Rioul, and François-Xavier Standaert. Removing the field size loss from duc et al.'s conjectured bound for masked encodings. In Elif Bilge Kavun and Michael Pehl, editors, Constructive Side-Channel Analysis and Secure Design - 14th International Workshop, COSADE 2023, Munich, Germany, April 3-4, 2023, Proceedings, volume 13979 of Lecture Notes in Computer Science, pages 86--104. Springer, 2023. [ bib \| DOI \| http \| eprint \| slides ]
[7]	Loïc Masure and François-Xavier Standaert. Prouff and Rivain's formal security proof of masking, revisited - tight bounds in the noisy leakage model. In Helena Handschuh and Anna Lysyanskaya, editors, Advances in Cryptology - CRYPTO 2023 - 43rd Annual International Cryptology Conference, CRYPTO 2023, Santa Barbara, CA, USA, August 20-24, 2023, Proceedings, Part III, volume 14083 of Lecture Notes in Computer Science, pages 343--376. Springer, 2023. [ bib \| DOI \| http \| eprint \| slides \| video ]
[9]	Yi Liu, Julien Béguinot, Wei Cheng, Sylvain Guilley, Loïc Masure, Olivier Rioul, and François-Xavier Standaert. Improved alpha-information bounds for higher-order masked cryptographic implementations. In IEEE Information Theory Workshop, ITW 2023, Saint-Malo, France, April 23-28, 2023, pages 81--86. IEEE, 2023. [ bib \| DOI \| http ]
[13]	Loïc Masure, Olivier Rioul, and François-Xavier Standaert. A nearly tight proof of duc et al.'s conjectured security bound for masked implementations. In Ileana Buhan and Tobias Schneider, editors, Smart Card Research and Advanced Applications - 21st International Conference, CARDIS 2022, Birmingham, UK, November 7-9, 2022, Revised Selected Papers, volume 13820 of Lecture Notes in Computer Science, pages 69--81. Springer, 2022. [ bib \| DOI \| http \| eprint \| slides ]

Reduction-based Security Proofs

[1]	Julien Béguinot and Loïc Masure. On the average random probing model. IACR Cryptol. ePrint Arch., page 193, 2025. [ bib \| http ]

Prime-Field Masking

[28]	Sebastian Faust, Loïc Masure, Elena Micheli, Maximilian Orlt, and François-Xavier Standaert. Connecting leakage-resilient secret sharing to practice: Scaling trends and physical dependencies of prime field masking. In Marc Joye and Gregor Leander, editors, Advances in Cryptology - EUROCRYPT 2024 - 43rd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zurich, Switzerland, May 26-30, 2024, Proceedings, Part IV, volume 14654 of Lecture Notes in Computer Science, pages 316--344. Springer, 2024. [ bib \| DOI \| http \| eprint ]
[2]	Lorenzo Grassi, Loïc Masure, Pierrick Méaux, Thorben Moos, and François-Xavier Standaert. Generalized feistel ciphers for efficient prime field masking. In Marc Joye and Gregor Leander, editors, Advances in Cryptology - EUROCRYPT 2024 - 43rd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zurich, Switzerland, May 26-30, 2024, Proceedings, Part III, volume 14653 of Lecture Notes in Computer Science, pages 188--220. Springer, 2024. [ bib \| DOI \| http \| eprint ]
[4]	Gaëtan Cassiers, Loïc Masure, Charles Momin, Thorben Moos, and François-Xavier Standaert. Prime-field masking in hardware and its soundness against low-noise SCA attacks. IACR Trans. Cryptogr. Hardw. Embed. Syst., 2023(2):482--518, 2023. [ bib \| DOI \| http \| slides \| video ]
[8]	Loïc Masure, Pierrick Méaux, Thorben Moos, and François-Xavier Standaert. Effective and efficient masking with low noise using small-Mersenne-prime ciphers. In Carmit Hazay and Martijn Stam, editors, Advances in Cryptology - EUROCRYPT 2023 - 42nd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Lyon, France, April 23-27, 2023, Proceedings, Part IV, volume 14007 of Lecture Notes in Computer Science, pages 596--627. Springer, 2023. [ bib \| DOI \| http \| eprint \| slides \| video ]

Inner-Product Masking

[2]	Sebastian Faust, Loïc Masure, Elena Micheli, Hai Hoang Nguyen, Maximilian Orlt, and François-Xavier Standaert. Efficient IP masking with generic security guarantees under minimum assumptions. IACR Cryptol. ePrint Arch., page 337, 2025. [ bib \| http ]

Machine learning

General Methodology

[5]	Loïc Masure, Gaëtan Cassiers, Julien M. Hendrickx, and François-Xavier Standaert. Information bounds and convergence rates for side-channel security evaluators. IACR Trans. Cryptogr. Hardw. Embed. Syst., 2023(3):522--569, 2023. [ bib \| DOI \| http \| slides \| video ]
[21]	Loïc Masure, Cécile Dumas, and Emmanuel Prouff. A comprehensive study of deep learning for side-channel analysis. IACR Trans. Cryptogr. Hardw. Embed. Syst., 2020(1):348--375, 2020. [ bib \| DOI \| http \| eprint \| slides \| video ]
[24]	Loïc Masure, Cécile Dumas, and Emmanuel Prouff. Gradient visualization for general characterization in profiling attacks. In Ilia Polian and Marc Stöttinger, editors, Constructive Side-Channel Analysis and Secure Design - 10th International Workshop, COSADE 2019, Darmstadt, Germany, April 3-5, 2019, Proceedings, volume 11421 of Lecture Notes in Computer Science, pages 145--167. Springer, 2019. [ bib \| DOI \| http \| eprint \| slides ]

Against Masking

[2]	Loïc Masure and Rémi Strullu. Side-channel analysis against ANSSI's protected AES implementation on ARM: end-to-end attacks with multi-task learning. J. Cryptogr. Eng., 13(2):129--147, 2023. [ bib \| DOI \| http \| eprint ]
[3]	Loïc Masure, Valence Cristiani, Maxime Lecomte, and François-Xavier Standaert. Don't learn what you already know scheme-aware modeling for profiling side-channel analysis against masking. IACR Trans. Cryptogr. Hardw. Embed. Syst., 2023(1):32--59, 2023. [ bib \| DOI \| http \| slides \| video ]
[12]	Olivier Bronchain, François Durvaux, Loïc Masure, and François-Xavier Standaert. Efficient profiled side-channel analysis of masked implementations, extended. IEEE Trans. Inf. Forensics Secur., 17:574--584, 2022. [ bib \| DOI \| http ]

Against Code Polymorphism

[22]

Loïc Masure, Nicolas Belleville, Eleonora Cagli, Marie-Angela Cornelie, Damien Couroussé, Cécile Dumas, and Laurent Maingault. Deep learning side-channel analysis on large-scale traces - A case study on a polymorphic AES.
In Liqun Chen, Ninghui Li, Kaitai Liang, and Steve A. Schneider, editors, Computer Security - ESORICS 2020 - 25th European Symposium on Research in Computer Security, ESORICS 2020, Guildford, UK, September 14-18, 2020, Proceedings, Part I, volume 12308 of Lecture Notes in Computer Science, pages 440--460. Springer, 2020. [ bib | DOI | http | eprint | video ]

[30]

Nicolas Belleville and Loïc Masure. Combining loop shuffling and code polymorphism for enhanced AES side-channel security.
In Romain Wacquez and Naofumi Homma, editors, Constructive Side-Channel Analysis and Secure Design - 15th International Workshop, COSADE 2024, Gardanne, France, April 9-10, 2024, Proceedings, volume 14595 of Lecture Notes in Computer Science, pages 260--280. Springer, 2024. [ bib | DOI | http | slides ]

Publications

Thesis Manuscript