Serge Fehr

Senior Researcher, Cryptology Group, CWI Amsterdam

Professor, Mathematical Institute, Leiden University

Serge is a scientific staff member of the Cryptology Group at CWI, the Dutch Center for Mathematics and Computer Science in Amsterdam, and a (part-time) full professor in the Faculty of Science at Leiden University. He is also a member of QuSoft, the Dutch research center for quantum software. He is supported by NWO, the Dutch Research Council, and by DIAMANT, the Dutch national mathematics research network on Discrete, Interactive & Algorithmic Mathematics, Algebra & Number Theory.

Research interest: Foundations of cryptology, cryptographic protocols, information-theoretic and quantum cryptography, secret sharing and secure multiparty computation.

Current and upcoming activities: Local co-organizer of QCrypt 2020. Editorial board member of Journal of Cryptology and of IEEE Transactions on Information Theory. Co-chair of the steering committee of QCrypt. Reviewer for AMS Mathematical Reviews.

Recent publications:
 J. Don, S. Fehr, C. Majenz, C. Schaffner. Security of the Fiat-Shamir Transformation in the Quantum Random-Oracle Model. In CRYPTO 2019.
 S. Fehr, C. Yuan. Towards Optimal Robust Secret Sharing with Security against a Rushing Adversary. In EUROCRYPT 2019.
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