News

2024

  • February 1, 2024: We are joined by a new postdoc Bora Bugra Sezer.
  • January 31, 2024: Our paper "Constant-Size zk-SNARKs in ROM from Falsifiable Assumptions" (Helger Lipmaa, Roberto Parisella, Janno Siim) was accepted to the Eurocrypt 2024 Conference!
  • January 11, 2024: We will coorganize the next Estonian-Latvian Joint Theory Days (2-4 February, 2024)

2023

  • December 22, 2023: Our paper "Title: Lookup Arguments: Improvements, Extensions and Applications to Zero-Knowledge Decision Trees" (Matteo Campanelli, Antonio Faonio, Dario Fiore, Tianyu Li, Helger Lipmaa) was accepted to the PKC 2024 conference! See https://eprint.iacr.org/2023/1518 for the eprint version.
  • December 7, 2023: Helger Lipmaa presented his paper On Black-Box Knowledge-Sound Commit-And-Prove SNARKs at Asiacrypt 2023. See fpr the video.
  • December 2, 2023: Roberto Parisella presented our paper Algebraic Group Model with Oblivious Sampling (Helger Lipmaa, Roberto Parisella, Janno Siim) at TCC 2023. See for the video (start at 39:00).
  • November 1, 2023: Helger Lipmaa rejoins the cryptography group as a leader. Many thanks to Dominique Unruh, who did it before that! (Dominique continues with 20%.)

2018 --- 2023

This news feed was not maintained.

2018

2017

  • Helger Lipmaa has several positions within a new Horizon 2020 project
  • December 1, 2017: Open Position: Research Fellow in Cryptography
    • Helger Lipmaa has a permanent position in his group
  • November 24-26, 2017: Estonian-Latvian Joint Theory Days is organized in Tartu
  • November 21-28, 2017: Research visit by Bingsheng Zhang
  • November 6-8, 2017: Nordsec 2017 is organized in Tartu
  • November 4-10, 2017: Research visit by Prastudy Fauzi
  • November 7, 2017 (and following Tuesdays): Presentation of student projects in Research Seminar in Cryptography: see schedule
  • October 2017: Our paper "A Subversion-Resistant SNARK" (Behzad Abdolmaleki, Karim Baghery, Helger Lipmaa, Michał Zając) from Asiacrypt 2017 was one of the three papers to be invited to Journal of Cryptology
  • August 2017: Helger Lipmaa the scientific coordinator for University of Tartu of the H2020 European project "PRIViLEDGE" (Privacy-Enhancing Cryptography in Distributed Ledgers), that focuses on Blockchain technology. The project starts from Jan 1, 2018.
  • August 2017: Three papers from University of Tartu were accepted to Asiacrypt 2017
  • June 5, 2017: PhD defense of Jaak Randmets
  • April 12, 2017: Ph.D. defense of Rafik Chaabouni at EPFL. Helger Lipmaa was cosupervisor
  • February 17, 2017: Ph.D. defense of Prastudy Fauzi
  • February 16, 2017: Invited talk by Carla Ràfols

2016

  • October 1, 2016: Helger Lipmaa's group was joined by new MSc student Annabell Kuldmaa
  • April 1, 2016: Helger Lipmaa's group was joined by new PhD students Behzad Abdolmaleki and Karim Baghery
  • March 15, 2016: Invited talk by Kurt Rohloff
  • March 14, 2016: Ph.D. defense of Riivo Talviste
  • From January 1, 2016, we were joined by Michal Zajac (his responsibility is local coordination of the Panoramix project) and Janno Siim.

2014

04.07.2014 New PhD students accepted: Ivo Kubjas and Yauhen Yakimenka (both supervised by Vitaly Skachek)

2013