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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 (1) Seminar (1) Academic year Academic year 2025 - 2026 (2) 2024 - 2025 (1) 2023 - 2024 (3) 2022 - 2023 (2) 2021 - 2022 (3) 2020 - 2021 (2) (-) 2019 - 2020 (2) 2018 - 2019 (3) Active filters 2019 - 2020 2019 - 2020 Lecture Mechanized semantics : when the machine reasons about its languages Xavier Leroy 28 Nov 2019 → 13 Feb 2020 28 Nov 2019 → 13 Feb 2020 Seminar Mechanized semantics : when the machine reasons about its languages Xavier Leroy 12 Dec 2019 → 13 Feb 2020 12 Dec 2019 → 13 Feb 2020
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
Lecture Mechanized semantics : when the machine reasons about its languages Xavier Leroy 28 Nov 2019 → 13 Feb 2020 28 Nov 2019 → 13 Feb 2020
Seminar Mechanized semantics : when the machine reasons about its languages Xavier Leroy 12 Dec 2019 → 13 Feb 2020 12 Dec 2019 → 13 Feb 2020