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The chair Biography and publications Public lectures Guest lecturers Annual summaries Audios and videos News Upcoming Previous Lecture 6 Nov 2025 09:30 to 11:00 Xavier Leroy Secure calculation: introduction and case study Lecture 13 Nov 2025 09:30 to 11:00 Xavier Leroy Totally homomorphic encryption: calculating on encrypted data (1) Seminar 13 Nov 2025 11:15 to 12:15 Pierrick Gaudry Cryptographic tools for electronic voting Lecture 20 Nov 2025 09:30 to 11:00 Xavier Leroy Totally homomorphic encryption: calculating on encrypted data (2) Seminar 20 Nov 2025 11:15 to 12:15 Damien Stehlé Fully homomorphic CKKS encryption Lecture 27 Nov 2025 09:30 to 11:00 Xavier Leroy Secure multiparty computing: sharing secrets Seminar 27 Nov 2025 11:15 to 12:15 Ilaria Chillotti Fully homomorphic encryption: overview, applications and new directions Lecture 4 Dec 2025 09:30 to 11:00 Xavier Leroy Secure multiparty computing: scrambled circuits and unconscious transfer Seminar 4 Dec 2025 11:15 to 12:15 Geoffroy Couteau Safe calculation and correlated hazard, from theory to practice Lecture 11 Dec 2025 09:30 to 11:00 Xavier Leroy Verifiable calculation and zero-knowledge proofs Seminar 11 Dec 2025 11:15 to 12:15 Michele Orrù From zero-knowledge proofs to online anonymity Lecture 18 Dec 2025 09:30 to 11:00 Xavier Leroy Secure calculation: new directions and conclusions Seminar 18 Dec 2025 11:15 to 12:15 David Pointcheval Functional encryption: aggregating sensitive data Next 2 series Filters Event type Event type Lecture (8) Seminar (7) (-) Symposium (2) Opening lecture (1) Academic year Academic year 2023 - 2024 (1) 2021 - 2022 (1) Active filters Symposium 2023 - 2024 Symposium AI and its challenges Philippe Aghion, Xavier Leroy, Benoît Sagot 28 Sep 2023 28 Sep 2023 2021 - 2022 Symposium Probabilistic Programming Xavier Leroy 29 Jun 2022 → 30 Jun 2022 29 Jun 2022 → 30 Jun 2022
Lecture 13 Nov 2025 09:30 to 11:00 Xavier Leroy Totally homomorphic encryption: calculating on encrypted data (1)
Lecture 20 Nov 2025 09:30 to 11:00 Xavier Leroy Totally homomorphic encryption: calculating on encrypted data (2)
Seminar 27 Nov 2025 11:15 to 12:15 Ilaria Chillotti Fully homomorphic encryption: overview, applications and new directions
Lecture 4 Dec 2025 09:30 to 11:00 Xavier Leroy Secure multiparty computing: scrambled circuits and unconscious transfer
Seminar 4 Dec 2025 11:15 to 12:15 Geoffroy Couteau Safe calculation and correlated hazard, from theory to practice
Seminar 18 Dec 2025 11:15 to 12:15 David Pointcheval Functional encryption: aggregating sensitive data
