publications
publications in reversed chronological order
2024
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Fast Secure Computations on Shared Polynomials and Applications to Private Set Operations
In 5th Conference on Information-Theoretic Cryptography, ITC 2024, August 14-16, 2024, Stanford, CA, USA (Divesh Aggarwal, ed), Schloss Dagstuhl - Leibniz-Zentrum für Informatik, Leibniz International Proceedings in Informatics (LIPIcs), vol. to appear, (2024).
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Preliminary Cryptanalysis of the Biscuit Signature Scheme
IACR Comm. in Cryptology. 1, 1, (2024).
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Towards the Impossibility of Quantum Public Key Encryption with Classical Keys from One-Way Functions
IACR Comm. in Cryptology. 1, 1, (2024).
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Secure Multi-Party Linear Algebra with Perfect Correctness
IACR Comm. in Cryptology. 1, 1, (2024).
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Lattice attacks on pairing-based signatures
Inf. Secur. J. A Glob. Perspect. 33, 2, pp. 138-157 (2024).
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2023
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Mathematical studies of arithmetical pseudo-random numbers generators. (Étude de générateurs pseudo aléatoires en cryptographie mathématique)
Thèse de doctorat. Sorbonne Université (2023).
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Fault Attacks Sensitivity of Public Parameters in the Dilithium Verification
In Smart Card Research and Advanced Applications - 22nd International Conference, CARDIS 2023, Amsterdam, The Netherlands, November 14-16, 2023, Revised Selected Papers (Shivam Bhasin, and Thomas Roche, eds), Springer, Lecture Notes in Computer Science, vol. 14530, pp. 62–83 (2023).
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We are on the Same Side. Alternative Sieving Strategies for the Number Field Sieve
In Advances in Cryptology - ASIACRYPT 2023 - 29th International Conference on the Theory and Application of Cryptology and Information Security, Guangzhou, China, December 4-8, 2023, Proceedings, Part IV (Jian Guo, and Ron Steinfeld, eds), Springer, Lecture Notes in Computer Science, vol. 14441, pp. 138–166 (2023).
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Cryptanalysis of an Outsourced Modular Inversion Protocol
Math. Cryptol. 3, 1, pp. 29–43 (2023).
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Exploiting Intermediate Value Leakage in Dilithium: A Template-Based Approach
IACR Trans. Cryptogr. Hardw. Embed. Syst. 2023, 4, pp. 188–210 (2023).
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Cryptanalysis of a Generalized Subset-Sum Pseudorandom Generator
In 48th International Symposium on Mathematical Foundations of Computer Science, MFCS 2023, August 28 to September 1, 2023, Bordeaux, France (Jérôme Leroux, Sylvain Lombardy, and David Peleg, eds), Schloss Dagstuhl - Leibniz-Zentrum für Informatik, LIPIcs, vol. 272, pp. 23:1–23:15 (2023).
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Reciprocal space temperature-dependent phonons method from ab-initio dynamics
Journal of Physics: Condensed Matter 35, 39, pp. 395402 (2023).
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VerifMSI: Practical Verification of Hardware and Software Masking Schemes Implementations
In Proceedings of the 20th International Conference on Security and Cryptography, SECRYPT 2023, Rome, Italy, July 10-12, 2023 (Sabrina De Capitani Vimercati, and Pierangela Samarati, eds), SCITEPRESS, pp. 520–527 (2023).
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Unifying Freedom and Separation for Tight Probing-Secure Composition
In Advances in Cryptology - CRYPTO 2023 - 43rd Annual International Cryptology Conference, CRYPTO 2023, Santa Barbara, CA, USA, August 20-24, 2023, Proceedings, Part III (Helena Handschuh, and Anna Lysyanskaya, eds), Springer, Lecture Notes in Computer Science, vol. 14083, pp. 440–472 (2023).
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Quantum security of subset cover problems
In 4th Conference on Information-Theoretic Cryptography, ITC 2023, June 6-8, 2023, Aarhus, Denmark (Kai-Min Chung, ed), Schloss Dagstuhl - Leibniz-Zentrum für Informatik, Leibniz International Proceedings in Informatics (LIPIcs), vol. 267, pp. 9:1–9:17 (2023).
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Commitments with Efficient Zero-Knowledge Arguments from Subset Sum Problems
In Computer Security - ESORICS 2023 - 28th European Symposium on Research in Computer Security, The Hague, The Netherlands, September 25-29, 2023, Proceedings, Part I (Gene Tsudik, Mauro Conti, Kaitai Liang, and Georgios Smaragdakis, eds), Springer, Lecture Notes in Computer Science, vol. 14344, pp. 189–208 (2023).
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Efficient Zero-Knowledge Arguments and Digital Signatures via Sharing Conversion in the Head
In Computer Security - ESORICS 2023 - 28th European Symposium on Research in Computer Security, The Hague, The Netherlands, September 25-29, 2023, Proceedings, Part I (Gene Tsudik, Mauro Conti, Kaitai Liang, and Georgios Smaragdakis, eds), Springer, Lecture Notes in Computer Science, vol. 14344, pp. 435–454 (2023).
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2022
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Les attaques cryptographiques sont-elles toujours meilleures que la force brute ?
Habilitation à diriger des recherches. Sorbonne Université (2022).
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Zero-Knowledge Protocols for the Subset Sum Problem from MPC-in-the-Head with Rejection
In Advances in Cryptology - ASIACRYPT 2022 - 28th International Conference on the Theory and Application of Cryptology and Information Security, Taipei, Taiwan, December 5-9, 2022, Proceedings (Shweta Agrawal, and Dongdai Lin, eds), Springer, Lecture Notes in Computer Science, vol. 13792, pp. 371–402 (2022).
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On Polynomial Modular Number Systems over Z/pZ
Adv. in Math. of Comm. to appear, (2022).
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Practical Seed-Recovery of Fast Cryptographic Pseudo-Random Number Generators
In Applied Cryptography and Network Security - 20th International Conference, ACNS 2022, Rome, Italy, June 20-23, 2022, Proceedings (Giuseppe Ateniese, and Daniele Venturi, eds), Springer, Lecture Notes in Computer Science, vol. 13269, pp. 212–229 (2022).
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Secure storage - Confidentiality and Authentication
Comput. Sci. Rev. 44, pp. 100465 (2022).
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IronMask: Versatile Verification of Masking Security
In 43rd IEEE Symposium on Security and Privacy, SP 2022, San Francisco, CA, USA, May 22-26, 2022 IEEE, pp. 142–160 (2022).
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Attacks on Pseudo Random Number Generators Hiding a Linear Structure
In Topics in Cryptology - CT-RSA 2022 - Cryptographers’ Track at the RSA Conference 2022, Virtual Event, March 1-2, 2022, Proceedings (Steven D. Galbraith, ed), Springer, Lecture Notes in Computer Science, vol. 13161, pp. 145–168 (2022).
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Cryptanalysis of Modular Exponentiation Outsourcing Protocols
Comput. J. 65, 9, pp. 2299-2314 (2022).
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A Simple Deterministic Algorithm for Systems of Quadratic Polynomials over F2
In 5th SIAM symposium on simplicity in algorithms, SOSA 2022, co-located with SODA 2022, virtual, in January 10–11, 2022. Proceedings. pp. 285-296 (2022).
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2021
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Drinfeld modules with complex multiplication, Hasse invariants and factoring polynomials over finite fields
J. Symb. Comput. 105, pp. 199–213 (2021).
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Computational records with aging hardware: Controlling half the output of SHA-256
Parallel Comput. 106, pp. 102804 (2021).
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Privately Outsourcing Exponentiation to a Single Server: Cryptanalysis and Optimal Constructions
Algorithmica 83, 1, pp. 72–115 (2021).
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Speeding-up verification of digital signatures
J. Comput. Syst. Sci. 116, pp. 22–39 (2021).
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Lower and Upper Bounds on the Randomness Complexity of Private Computations of AND
SIAM J. Discret. Math. 35, 1, pp. 465–484 (2021).
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Probing Security through Input-Output Separation and Revisited Quasilinear Masking
IACR Trans. Cryptogr. Hardw. Embed. Syst. 2021, 3, pp. 599–640 (2021).
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Hardware security without secure hardware: How to decrypt with a password and a server
Theor. Comput. Sci. 895, pp. 178–211 (2021).
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Dynamic Random Probing Expansion with Quasi Linear Asymptotic Complexity
In Advances in Cryptology - ASIACRYPT 2021 - 27th International Conference on the Theory and Application of Cryptology and Information Security, Singapore, December 6-10, 2021, Proceedings, Part II (Mehdi Tibouchi, and Huaxiong Wang, eds), Springer, Lecture Notes in Computer Science, vol. 13091, pp. 157–188 (2021).
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On the Power of Expansion: More Efficient Constructions in the Random Probing Model
In Advances in Cryptology - EUROCRYPT 2021 - 40th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zagreb, Croatia, October 17-21, 2021, Proceedings, Part II (Anne Canteaut, and François-Xavier Standaert, eds), Springer, Lecture Notes in Computer Science, vol. 12697, pp. 313–343 (2021).
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The Key-Dependent Message Security of Key-Alternating Feistel Ciphers
In Topics in Cryptology - CT-RSA 2021 - Cryptographers’ Track at the RSA Conference 2021, Virtual Event, May 17-20, 2021, Proceedings (Kenneth G. Paterson, ed), Springer, Lecture Notes in Computer Science, vol. 12704, pp. 351–374 (2021).
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2020
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Leak study of cryptosystem implementations in randomized RNS arithmetic. (Étude des fuites d’implémentations de cryptosystème en arithmétique RNS randomisée)
Thèse de doctorat. Sorbonne Université (2020).
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Lattice algorithms and lattice-based cryptography. (Algorithmes de réseaux et cryptographie basée sur les réseaux)
Thèse de doctorat. Sorbonne Université (2020).
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A First Approach To Asymmetric White-Box Cryptography and a Study of Permutation Polynomials Modulo 2n in Obfuscation
Thèse de doctorat. Sorbonne Université (2020). -
Aspects algorithmique des réseaux algébriques
Thèse de doctorat. Sorbonne Université (2020). -
On a Dual/Hybrid Approach to Small Secret LWE - A Dual/Enumeration Technique for Learning with Errors and Application to Security Estimates of FHE Schemes
In Progress in Cryptology - INDOCRYPT 2020 - 21st International Conference on Cryptology in India, Bangalore, India, December 13-16, 2020, Proceedings (Karthikeyan Bhargavan, Elisabeth Oswald, and Manoj Prabhakaran, eds), Springer, Lecture Notes in Computer Science, vol. 12578, pp. 440–462 (2020).
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Practical seed-recovery for the PCG Pseudo-Random Number Generator
IACR Trans. Symmetric Cryptol. 2020, 3, pp. 175–196 (2020).
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Comment on "Efficient and Secure Outsourcing Scheme for RSA Decryption in Internet of Things"
IEEE Internet Things J. 7, 11, pp. 11327–11329 (2020).
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Inferring sequences produced by elliptic curve generators using Coppersmith’s methods
Theor. Comput. Sci. 830-831, pp. 20-42 (2020).
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Public-Key Generation with Verifiable Randomness
In Advances in Cryptology - ASIACRYPT 2020 - 26th International Conference on the Theory and Application of Cryptology and Information Security, Daejeon, South Korea, December 7-11, 2020, Proceedings, Part I (Shiho Moriai, and Huaxiong Wang, eds), Springer, Lecture Notes in Computer Science, vol. 12491, pp. 97–127 (2020).
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Succinct Diophantine-Satisfiability Arguments
In Advances in Cryptology - ASIACRYPT 2020 - 26th International Conference on the Theory and Application of Cryptology and Information Security, Daejeon, South Korea, December 7-11, 2020, Proceedings, Part III (Shiho Moriai, and Huaxiong Wang, eds), Springer, Lecture Notes in Computer Science, vol. 12493, pp. 774–804 (2020).
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On Decoding Cohen-Haeupler-Schulman Tree Codes
In Proceedings of the 2020 ACM-SIAM Symposium on Discrete Algorithms, SODA 2020, Salt Lake City, UT, USA, January 5-8, 2020 (Shuchi Chawla, ed), SIAM, pp. 1337–1356 (2020).
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2019
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Représentations adaptées à l’arithmétique modulaire et à la résolution de systèmes flous. (Representations adapted to modular arithmetic and fuzzy system resolution)
Thèse de doctorat. Sorbonne Université (2019).
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Relational *-Liftings for Differential Privacy
Logical Methods in Computer Science 15, 4, (2019).
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Subquadratic Time Encodable Codes Beating the Gilbert-Varshamov Bound
IEEE Trans. Inf. Theory 65, 10, pp. 6010–6021 (2019).
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Cryptanalysis of Server-Aided RSA Protocols with Private-Key Splitting
Comput. J. 62, 8, pp. 1194–1213 (2019).
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Polynomial interpolation of the generalized Diffie-Hellman and Naor-Reingold functions
Des. Codes Cryptogr. 87, 1, pp. 75–85 (2019).
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Lower and Upper Bounds on the Randomness Complexity of Private Computations of AND
In Theory of Cryptography - 17th International Conference, TCC 2019, Nuremberg, Germany, December 1-5, 2019, Proceedings, Part II (Dennis Hofheinz, and Alon Rosen, eds), Springer, Lecture Notes in Computer Science, vol. 11892, pp. 386–406 (2019).
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Resilience of Randomized RNS Arithmetic with Respect to Side-Channel Leaks of Cryptographic Computation
IEEE Trans. Computers 68, 12, pp. 1720–1730 (2019).
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HyPoRes: An Hybrid Representation System for ECC
In 26th IEEE Symposium on Computer Arithmetic, ARITH 2019, Kyoto, Japan, June 10-12, 2019 (Naofumi Takagi, Sylvie Boldo, and Martin Langhammer, eds), IEEE, pp. 207–214 (2019).
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GALACTICS: Gaussian Sampling for Lattice-Based Constant- Time Implementation of Cryptographic Signatures, Revisited
In Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security, CCS 2019, London, UK, November 11-15, 2019 (Lorenzo Cavallaro, Johannes Kinder, XiaoFeng Wang, and Jonathan Katz, eds), ACM, pp. 2147–2164 (2019).
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2018
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Towards Efficient Arithmetic for Ring-LWE based Homomorphic Encryption. (Vers une arithmétique efficace pour le chiffrement homomorphe basé sur le Ring-LWE)
Thèse de doctorat. Université Pierre et Marie Curie (2018).
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Proving expected sensitivity of probabilistic programs
Proc. ACM Program. Lang. 2, POPL, pp. 57:1–57:29 (2018).
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Loop-Abort Faults on Lattice-Based Signature Schemes and Key Exchange Protocols
IEEE Trans. Computers 67, 11, pp. 1535–1549 (2018).
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LWE Without Modular Reduction and Improved Side-Channel Attacks Against BLISS
In Advances in Cryptology - ASIACRYPT 2018 - 24th International Conference on the Theory and Application of Cryptology and Information Security, Brisbane, QLD, Australia, December 2-6, 2018, Proceedings, Part I (Thomas Peyrin, and Steven D. Galbraith, eds), Springer, Lecture Notes in Computer Science, vol. 11272, pp. 494–524 (2018).
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An Assertion-Based Program Logic for Probabilistic Programs
In Programming Languages and Systems - 27th European Symposium on Programming, ESOP 2018, Held as Part of the European Joint Conferences on Theory and Practice of Software, ETAPS 2018, Thessaloniki, Greece, April 14-20, 2018, Proceedings (Amal Ahmed, ed), Springer, Lecture Notes in Computer Science, vol. 10801, pp. 117–144 (2018).
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Masking the GLP Lattice-Based Signature Scheme at Any Order
In Advances in Cryptology - EUROCRYPT 2018 - 37th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Tel Aviv, Israel, April 29 - May 3, 2018 Proceedings, Part II (Jesper Buus Nielsen, and Vincent Rijmen, eds), Springer, Lecture Notes in Computer Science, vol. 10821, pp. 354–384 (2018).
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Montgomery reduction within the context of residue number system arithmetic
J. Cryptographic Engineering 8, 3, pp. 189–200 (2018).
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Malleability of the blockchain’s entropy
Cryptogr. Commun. 10, 1, pp. 211–233 (2018).
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Analysis and Improvement of an Authentication Scheme in Incremental Cryptography
In Selected Areas in Cryptography - SAC 2018 - 25th International Conference, Calgary, AB, Canada, August 15-17, 2018, Revised Selected Papers (Carlos Cid, and Michael J. Jacobson Jr., eds), Springer, Lecture Notes in Computer Science, vol. 11349, pp. 50–70 (2019).
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Polynomial factorization over finite fields by computing Euler-Poincaré characteristics of Drinfeld modules
Finite Fields Their Appl. 54, pp. 335–365 (2018).
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Fast Computation of Isomorphisms Between Finite Fields Using Elliptic Curves
In Arithmetic of Finite Fields - 7th International Workshop, WAIFI 2018, Bergen, Norway, June 14-16, 2018, Revised Selected Papers (Lilya Budaghyan, and Francisco Rodrı́guez-Henrı́quez, eds), Springer, Lecture Notes in Computer Science, vol. 11321, pp. 74–91 (2018).
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2017
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Class Group Computations in Number Fields and Applications to Cryptology. (Calcul de Groupes de Classes d’un Corps de Nombres et Applications à la Cryptologie)
Thèse de doctorat. Université Pierre et Marie Curie (2017).
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Reusing Nonces in Schnorr Signatures - (and Keeping It Secure...)
In Computer Security - ESORICS 2017 - 22nd European Symposium on Research in Computer Security, Oslo, Norway, September 11-15, 2017, Proceedings, Part I (Simon N. Foley, Dieter Gollmann, and Einar Snekkenes, eds), Springer, Lecture Notes in Computer Science, vol. 10492, pp. 224–241 (2017).
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Lattice Attacks on Pairing-Based Signatures
In Cryptography and Coding - 16th IMA International Conference, IMACC 2017, Oxford, UK, December 12-14, 2017, Proceedings (Máire O’Neill, ed), Springer, Lecture Notes in Computer Science, vol. 10655, pp. 352–370 (2017).
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Arithmetical Improvement of the Round-Off for Cryptosystems in High-Dimensional Lattices
IEEE Trans. Computers 66, 12, pp. 2005–2018 (2017).
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Efficient Reductions in Cyclotomic Rings - Application to Ring-LWE Based FHE Schemes
In Selected Areas in Cryptography - SAC 2017 - 24th International Conference, Ottawa, ON, Canada, August 16-18, 2017, Revised Selected Papers (Carlisle Adams, and Jan Camenisch, eds), Springer, Lecture Notes in Computer Science, vol. 10719, pp. 151–171 (2017).
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Side-Channel Attacks on BLISS Lattice-Based Signatures: Exploiting Branch Tracing against strongSwan and Electromagnetic Emanations in Microcontrollers
In Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security, CCS 2017, Dallas, TX, USA, October 30 - November 03, 2017 (Bhavani M. Thuraisingham, David Evans, Tal Malkin, and Dongyan Xu, eds), ACM, pp. 1857–1874 (2017).
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Computing Generator in Cyclotomic Integer Rings - A Subfield Algorithm for the Principal Ideal Problem in LΔK(1/2) and Application to the Cryptanalysis of a FHE Scheme
In Advances in Cryptology - EUROCRYPT 2017 - 36th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Paris, France, April 30 - May 4, 2017, Proceedings, Part I (Jean-Sébastien Coron, and Jesper Buus Nielsen, eds), Lecture Notes in Computer Science, vol. 10210, pp. 60–88 (2017).
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A Crossbred Algorithm for Solving Boolean Polynomial Systems
In Number-Theoretic Methods in Cryptology - First International Conference, NuTMiC 2017, Warsaw, Poland, September 11-13, 2017, Revised Selected Papers (Jerzy Kaczorowski, Josef Pieprzyk, and Jacek Pomykala, eds), Springer, Lecture Notes in Computer Science, vol. 10737, pp. 3–21 (2017).
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Discrete Logarithms in Small Characteristic Finite Fields: a Survey of Recent Advances (Invited Talk)
In 34th Symposium on Theoretical Aspects of Computer Science, STACS 2017, March 8-11, 2017, Hannover, Germany (Heribert Vollmer, and Brigitte Vallée, eds), Schloss Dagstuhl - Leibniz-Zentrum für Informatik, LIPIcs, vol. 66, pp. 3:1–3:1 (2017).
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Parametrizations for Families of ECM-Friendly Curves
In Proceedings of the 2017 ACM on International Symposium on Symbolic and Algebraic Computation, ISSAC 2017, Kaiserslautern, Germany, July 25-28, 2017 (Michael A. Burr, Chee K. Yap, and Mohab Safey El Din, eds), ACM, pp. 165–171 (2017).
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Loop-Abort Faults on Supersingular Isogeny Cryptosystems
In Post-Quantum Cryptography - 8th International Workshop, PQCrypto 2017, Utrecht, The Netherlands, June 26-28, 2017, Proceedings (Tanja Lange, and Tsuyoshi Takagi, eds), Springer, Lecture Notes in Computer Science, vol. 10346, pp. 93–106 (2017).
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*-Liftings for Differential Privacy
In 44th International Colloquium on Automata, Languages, and Programming, ICALP 2017, July 10-14, 2017, Warsaw, Poland (Ioannis Chatzigiannakis, Piotr Indyk, Fabian Kuhn, and Anca Muscholl, eds), Schloss Dagstuhl - Leibniz-Zentrum für Informatik, LIPIcs, vol. 80, pp. 102:1–102:12 (2017).
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Proving uniformity and independence by self-composition and coupling
In LPAR-21, 21st International Conference on Logic for Programming, Artificial Intelligence and Reasoning, Maun, Botswana, May 7-12, 2017 (Thomas Eiter, and David Sands, eds), EasyChair, EPiC Series in Computing, vol. 46, pp. 385–403 (2017).
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2016
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Le logarithme discret dans les corps finis. (Discrete logarithm in finite fields)
Thèse de doctorat. Université Pierre et Marie Curie (2016).
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Synthesizing Probabilistic Invariants via Doob’s Decomposition
In Computer Aided Verification - 28th International Conference, CAV 2016, Toronto, ON, Canada, July 17-23, 2016, Proceedings, Part I (Swarat Chaudhuri, and Azadeh Farzan, eds), Springer, Lecture Notes in Computer Science, vol. 9779, pp. 43–61 (2016).
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Technical history of discrete logarithms in small characteristic finite fields - The road from subexponential to quasi-polynomial complexity
Des. Codes Cryptogr. 78, 1, pp. 73–85 (2016).
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Loop-Abort Faults on Lattice-Based Fiat-Shamir and Hash-and-Sign Signatures
In Selected Areas in Cryptography - SAC 2016 - 23rd International Conference, St. John’s, NL, Canada, August 10-12, 2016, Revised Selected Papers (Roberto Avanzi, and Howard M. Heys, eds), Springer, Lecture Notes in Computer Science, vol. 10532, pp. 140–158 (2016).
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Reducing number field defining polynomials: an application to class group computations
LMS J. Comput. Math. 19A, pp. 315–331 (2016).
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2015
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The Multiple Number Field Sieve with Conjugation and Generalized Joux-Lercier Methods
In Advances in Cryptology - EUROCRYPT 2015 - 34th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Sofia, Bulgaria, April 26-30, 2015, Proceedings, Part I (Elisabeth Oswald, and Marc Fischlin, eds), Springer, Lecture Notes in Computer Science, vol. 9056, pp. 156–170 (2015).
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