Associate professor (agregat) at Universitat Rovira i Virgili. Computer Engineering and Mathematics Dept.
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:
Conference on Information Theoretic Cryptography. August 16-17, Santa Barbara.
Combinatorial Geometries and Geometric Combinatorics. Fall 2025. CRM
News:
Optimizing Extension Techniques for Discovering Non-Algebraic Matroids, a joint work with Michael Bamiloshin, published at Journal of Algebraic Combinatorics. Also at arXiv.
Improving the Selection Rule of Correlation Attacks for Remote Power Analysis, a joint work with Vicent Grosso, Miquel Guiot and Carlos-Andres Lara-Nino, at eprint.
A Note on Extension Properties and Representations of Matroids, a joint work with Michael Bamiloshin and Carles Padró, published at Discrete Applied Mathematics. At arXiv.
Traceable Secret Sharing Schemes for General Access Structures, a joint work with Miquel Guiot, at eprint
Presentation at Jornada d’Impuls i Balanç de les Àrees Digitals de Catalunya.
PhD thesis defense of Emanuele Giunta: On the Limitations of Black-Box Constructions in Cryptography. Congratulations! Member of the thesis committee.
Organizer of the Workshop on Secret Sharing Schemes, May 12-14, Tarragona. It was fantastic!!!
Report at diari digital de la URV.
Organization of Doctoral Workshop in Computer Science and Mathematics. April 3, Tarragona
Polynomial Secret Sharing Schemes and Algebraic Matroids, a joint work with Amos Beimel and Adriana Moya, at eprint.
PhD thesis defense of Ricard Vilar Algueró: Quantum analogs of classical codes. Congratulations! Member of the thesis committee.
Evaluation of Optimized PQC Standards ML-KEM and ML-DSA on Sargantana RV64GBV, a joint work with Xavier Carril Gil, Emanuele Parisi, Narcís Rodas Quiroga, Raúl Gilabert Gámez, Juan Antonio Rodríguez Gracia and Miquel Moreto, accepted at RISC-V Europe 2025.
Cryptography session at Bojos per les Matemàtiques.
Revisiting Beimel-Weinreb Weighted Threshold Secret Sharing Schemes, a joint work with Miquel Guiot, at eprint.
Presentation at the "Physical layer security for trustworthy and resilient 6G systems" (6G-PHYSEC) COST-action meeting. January 28, UAB.
Reducing the Share Size of Weighted Threshold Secret Sharing Schemes via Chow Parameters Approximation, a joint work with Miquel Guiot, presented at TCC 2024. Full version: eprint.
Secret-Sharing Schemes for High Slices, a joint work with Amos Beimel, Or Lasri and Oded Nir, presented at TCC 2024. Full version: eprint.
Leveraging HLS to Design a Versatile & High-Performance Classic McEliece Accelerator, a joint work with Vatistas Kostalabros, Xavier Carril, Jordi Ribes-González, Carles Hernández and Miquel Moretó, accepted at ACM Transactions on Embedded Computing Systems.
Hardware Acceleration for High-Volume Operations of CRYSTALS-Kyber and CRYSTALS-Dilithium, a joint work with Xavier Carril, Charalampos Kardaris, Jordi Ribes-González, Carles Hernández, Vatistas Kostalabros, Joel Ulises González-Jiménez i Miquel Moretó, published in ACM TRETS.
Teaching:
(1st sem.) Cryptography and Information Security (MESIIA, URV), Projectes d'Enginyeria (GEMiF, URV).
(2nd sem.) Cryptography and Blockchain Technology (MECMAT, URV-UOC), Estructures Algebraiques (GEMiF, URV), Matemàtica Discreta II (GEI, URV).
Research groups and Projects: CRISES, Discrete and Algorithmic Mathematics Spanish network, Red RISC-V, CYBERCAT, DRAC, COPRICA.
Program Committee (latest): EUROCRYPT 2025, CCS 2024, ACNS 2023, Encuentro Ibérico de Matemáticas 2022, Latincrypt 2021, TCC 2020, Itinerant Cryptography Seminars, RECSI, DCSM 2022-25.