Pierre Pébereau

pierre.pebereau[at]lip6.fr

26-00/326

Hi ! I am a PhD student at LIP6 under the supervision of Simon Abelard and Mohab Safey el Din. I am interested in post-quantum signature schemes and their cryptanalysis, using computer algebra tools. You can find my resume here.

Teaching

• M2 Polynomial System Solving: Introduction to multivariate cryptography (4h, 2024-2025)
• M1 Master thesis supervision (2024-2025)
• L1 Introduction to programming (2024-2025)
• M1 Computer Algebra (2023-2025)
• L3 Networks (2023-2024)
• L3 Cryptology (2022-2023)
• MPSI khôlles (2020-2022)

Publications

• Pierre Pébereau. Singular points of UOV and VOX. Eurocrypt 2025 [eprint] [code] [slides]
• Pierre Pébereau. One vector to rule them all: Key recovery from one vector in UOV schemes. PQC 2024 [eprint] [code] [slides]
• Eric Sageloli, Pierre Pébereau, Pierrick Méaux, Céline Chevalier. Shorter and Faster Identity-Based Signatures with Tight Security in the (Q)ROM from Lattices. ACNS 2023 [eprint]

Pre-prints

• Pierre Pébereau. Subfield attack: leveraging composite-degree extensions in the Quotient Ring transform. IACR eprint archive, February 2024 [eprint]

Talks

• Cryptanalysis of multivariate signatures from a geometric point of view. Séminaire cryptographie de l'ANSSI, 28 Mai 2025, Paris (1h) [slides]
• Cryptanalysis of multivariate signatures from a geometric point of view. Séminaire GAE, 25 Avril 2025, Rennes (1h) [slides]
• Geometric approach to the cryptanalysis of UOV-based signatures (crypto flavor). JC2 2025 (20 mins) [slides]
• Geometric approach to the cryptanalysis of UOV-based signatures (computer algebra flavor). JNCF 2025 (20 mins) [slides]
• Geometric approach to the cryptanalysis of UOV. Mathematics of post-quantum cryptanalysis 2024 (1h) [slides]
• Schémas de signature post-quantiques: Construction et cryptanalyse. Journée des doctorants 2024, Thales [slides]
• Cryptanalysis of multivariate signatures: Singular points of UOV and VOX. JNCF 2024 [slides]
• Key recovery from one vector in UOV schemes. ALMASTY Seminar, January 19, 2024 [slides]
• Multivariate signature schemes and cryptanalysis of early proposals. SIAM AG 2023, Mini-symposium "Applications of Algebraic Geometry to Post-Quantum Cryptology" [eprint] [slides]