Past news
A Note on Extension Properties and Representations of Matroids, a joint work with Michael Bamiloshin and Carles Padró, at arXiv.
Kameleon, the fourth generation of the Lagarto processor series, submitted for fabrication via Europractice, June 2023.
Presentation Secret Sharing Schemes: An Introduction, presented at Seminar on Algorithmic Aspects of Information Theory, March 23.
Organizer of the parallel session of “The Mathematics of Information” of the Encuentro Ibérico de Matemáticas, October 5-7, Sevilla.
A Security Model for Randomization-based Protected Caches, a joint work with Carles Hernández, Vatistas Kostalampros, Miquel Moretó and Jordi Ribes-González, presented at CHES 2022. Full version at eprint
Talk about "Linear Programming Technique in the Search for Lower Bounds in Secret Sharing" at Algorithmic Aspects of Information Theory, July 24, Dagstuhl.
Matemàtica Discreta 2, a book written with Maria Bras-Amorós, in print. Online version via Publicacions URV.
Talk at Campus Físico-Matemàtic, July 7, Tarragona.
Talk about Secret Sharing Schemes for Almost All Access Structures at Congreso bienal de la RSME 2022.
Linear Secret-Sharing Schemes for Forbidden Graph Access Structures, a joint work with Amos Beimel, Yuval Mintz, and Naty Peter, published at IEEE TIT.
HLS-Based HW/SW Co-Design of the Post-Quantum Classic McEliece Cryptosystem, a joint work with Carles Hernández, Vatistas Kostalampros, Miquel Moretó and Jordi Ribes-González, published at FPL.
Coordinator of the PhD programme in Computer Science and Mathematics of Security since September 2021.
Associate professor (agregat) position at URV since September 2021.
Michael Bamiloshin got his PhD, July 2021.
One-out-of-q OT Combiners, a joint work with Jordi Ribes-González, at eprint.
Secret Sharing Schemes for Ports of Matroids of Rank 3, published at Kybernetika.
Talk Secret Sharing Schemes for Matroid Ports at Seminar ECO/ESCAPE, Montpellier.
Common Information, Matroid Representation, and Secret Sharing for Matroid Ports, a joint work with Michael Bamiloshin, Aner Ben-Efraim and Carles Padró, published at Designs, Codes and Cryptography.
The Share Size of Secret-Sharing Schemes for Almost All Access Structures and Graphs, a joint work with Amos Beimel, presented at TCC 2020.
Improving the Linear Programming Technique in the Search for Lower Bounds in Secret Sharing, a joint work with Tarik Kaced, Sebastià Martín and Carles Padró, published at IEEE TIT.
Press release about DRAC project at HPCWIRE.
Secret Sharing Schemes for Ports of Matroids of Rank 3, presented at the Workshop in memory of Fr. Matúš, Prague Stochastics 2019.
Secret-Sharing Schemes for General and Uniform Access Structures, a joint work with Benny Applebaum, Amos Beimel, Oded Nir, and Naty Peter, presented at EUROCRYPT 2019.
Provably secure public-key encryption with conjunctive and subset keyword search, a joint work with Jordi Ribes-González, published at International Journal of Information Security.
Presentation at V Congreso de Jóvenes Investigadores de la RSME, January 27-31, Castelló: Secret Sharing Schemes for General Access Structures.
Presentation at MAK Crypto Seminar: Secret Sharing Schemes for General Access Structures.
Local Bounds for the Optimal Information Ratio of Secret Sharing Schemes, a joint work with Jordi Ribes-González and Sara Ricci, published at Designs, Codes, Cryptography.
Itinerant Cryptography seminars at URV.
Improving the Linear Programming Technique in the Search for Lower Bounds in Secret Sharing, a joint work with Tarik Kaced, Sebastià Martín and Carles Padró, presented at EUROCRYPT 2018.
Presentation at MAK Crypto Seminar: Local Bounds for the Optimal Information Ratio of Secret Sharing Schemes.
Presentation at Congreso de la Real Sociedad Matemática Española (February 4-8, Santander): Improving the Linear Programming Technique in the Search for Lower Bounds in Secret Sharing.
Linear Secret-Sharing Schemes for Forbidden Graph Access Structures, a joint work with Amos Beimel, Yuval Mintz, and Naty Peter, presented at TCC 2017.
Resource-Efficient OT-combiners with Active Security, a joint work with Ignacio Cascudo, Ivan Damgård, and Samuel Ranellucci, presented at TCC 2017. eprint.
On the Information Ratio of Non-Perfect Secret Sharing Schemes, a joint work with Torben Hansen, Tarik Kaced, and Carles Padró, now in Algorithmica.
Private Outsourced Kriging Interpolation, a joint work with James Alderman, Benjamin R. Curtis, Keith M. Martin and Jordi Ribes-González, presented at WAHC'17
Local Bounds for the Optimal Information Ratio of Secret Sharing Schemes, presented at the Cryptography Seminar of the Ben Gurion University of the Negev. February 7.
Talk about secret sharing at the Winter School of the Department of Decision-Making Theory. Mariánská. January 29-February 2.
Tenure track position ("professor lector") at the Department of Computer Engineering and Maths of URV since December 2016.
Bounds on the Information Ratios of Secret Sharing Schemes for Close Access Structures, presented at the Workshop on Mathematics of Information-Theoretic Cryptography, Singapore. September 2016. Find the slides here.
Self-enforcing protocols via co-utile reputation management, a joint work with Josep Domingo-Ferrer, Oriol Farràs, Sergio Martínez, David Sánchez, Jordi Soria-Comas, now at Information Sciences.
Itinerant Cryptography Seminars at Universidad Rey Juan Carlos. September 9.
Secret Sharing for Dense Forbidden Graphs, a joint work with Amos Beimel and Naty Peter, published in SCN 2016.
Recent Advances in Non-Perfect Secret Sharing Schemes, published in the proceedings of CiE 2016.
A Note on Non-Perfect Secret Sharing Schemes, a joint work with Sebastià Martín and Carles Padró, now at eprint.
Secret-Sharing Schemes for Very Dense Graphs, a joint work with Amos Beimel and Yuval Mintz, now at Journal of Cryptology.
Contributory Broadcast Encryption with Efficient Encryption and Short Ciphertexts, a joint work with Qianhong Wu, Bo Qin, Lei Zhang, Josep Domingo-Ferrer, and Jesús Manjón, now at IEEE Transactions on Computers.
Itinerant Cryptography Seminars. UPC. Barcelona, September 28.
Talk at Congreso de Jóvenes Investigadores de la RSME. Murcia. September 2015.
Server-Aided Two-Party Computation with Minimal Connectivity in the Simultaneous Corruption Model, a joint work with Ignacio Cascudo, Ivan Damgård, and Samuel Ranellucci, now at eprint.
Crypto Seminars Day @ IMDEA, 22 January 2015.
Joined CLARUS H2020 project.
Joined Co-Utility Templeton WCF project.
Optimal Non-Perfect Uniform Secret Sharing Schemes, a joint work with Torben Hansen, Tarik Kaced and Carles Padró, published in CRYPTO'14. Now at youtube.
Extending Brickell-Davenport Theorem to Non-Perfect Secret Sharing Schemes, a joint work with Carles Padró, now at Designs Codes and Cryptography.
Juan de la Cierva grantholder since May 2014.
Privacy-Preserving Trust Management Mechanisms from Private Matching Schemes, a joint work with Josep Domingo-Ferrer and Alberto Blanco-Justicia, presented at DPM 2013.
Secret Sharing For Very Dense Graphs, presented at Workshop on the Mathematics of Information-Theoretic Cryptography, May 2013, Lorentz Center, Leiden.
Talk on Secret Sharing Schemes and Codes, International School on Coding Theory and Applications, February 2013, Tarragona.
Talk on Esquemas de Compartición de Secretos para Grafos, presented at Congreso de la Real Sociedad Matemática Española, January 2013, Santiago de Compostela.
Secret Sharing For Very Dense Graphs, a joint work with Amos Beimel and Yuval Mintz, published in CRYPTO'12.
Joined INTER-TRUST FP7 project.
Extending Brickell-Davenport Theorem to Non-Perfect Secret Sharing Schemes, a joint work with Carles Padró, presented at Nanyang Technological University, Singapore. April 2012. Slides.