Full professor (professor catedràtic contractat) in Applied Mathematics at Universitat Rovira i Virgili.
Computer Engineering and Mathematics Dept (DEIM).
Coordinator of the PhD programme in Computer Science and Mathematics of Security.
email: oriol.farras [at] urv.cat
Address: Office 137, ETSE, Campus Sescelades, E-43007 Tarragona, Catalonia, Spain.
Research interests: secret sharing schemes, cryptography, information theory, matroid theory, and combinatorics.
Upcoming events:
CHES. October 11-15, Antalya.
International Conference on Isogenies, Cryptography & Explicit Arithmetic GEometry (ICEAGE). October 28-30, Lleida.
TCC. November 10-13, New York.
Asiacrypt. December 7-11, Hong Kong.
Periodic seminars: Seminar on Algorithmic Aspects of Information Theory, LIMDA seminars, Barcelona Mathematics and Machine Learning Colloquium Series (b=M2L), Three talks in combinatorics,
News:
Ideal Secret Sharing Schemes over Small Domains, a joint work with Amos Beimel, Aner Ben-Efraim, and Adriana Moya, accepted at TCC 2026. Full version at eprint.
Information-Theoretic Strong Traceable Secret Sharing Schemes, a joint work with Miquel Guiot, accepted at ASIACRYPT 2026. Full version at eprint.
Aritmètica entera, cossos finits i codis correctors d’errors, a book written with Maria Bras-Amorós, will soon be published with Publicacions URV.
Revisiting Beimel-Weinreb Weighted Threshold Secret Sharing Schemes, a joint work with Miquel Guiot, accepted at CSF 2026. Full version at eprint.
Traceable Secret Sharing Schemes for General Access Structures, a joint work with Miquel Guiot, presented at Eurocrypt 2026. Full version at eprint.
Teaching:
(1st sem.) Cryptography and Information Security (MESIIA).
(2nd sem.) Cryptography and Blockchain Technology (MECMAT), Matemàtica Discreta II (GEI).
Current PhD students:
Óscar Fidalgo (2025-)
Miquel Guiot (2024-)
Adriana Moya (2023-)
Research groups and Projects: CRISES, Discrete and Algorithmic Mathematics Spanish network, Red RISC-V, CYBERCAT, DRAC.
Program Committee (latest): Workshop on Secret Sharing Schemes, EUROCRYPT 2025, CCS 2024, ACNS 2023, Encuentro Ibérico de Matemáticas 2022, Latincrypt 2021, TCC 2020, Itinerant Cryptography Seminars, RECSI, DCSM 2022-26.
Editorial Board: Designs, Codes and Cryptography (2026)