Chaac – BISRR

Blocked Informal School on Recent cryptographic Research

Welcome to Chaac’s very own school for discussing recent results concerning cryptography. Initial editions consist of a day of research presentations by staff members of the chair and invited experts on a chosen topic. More details can be found here.



Proof Systems, 28.11.2019

  • From Laconic Zero-Knowledge to Public Key Cryptography   PDF
        Presenters: Katharina Fech and Sri Aravinda Krishnan Thyagarajan
  • Separating Succint Non-Interactive Arguments from All Falsifiable Assumptions PDF
        Presenter: Christoph Egger
  • Non-Interactive Zer0 Knowledge for NP from (Plain) Learning With Errors PDF
        Presenter: Albrecht Petzoldt
  • Transparent SNARKS from DARK Compilers PDF
        Presenter: Viktoria Ronge


CCA secure Public Key Encryption, 12.03.2020

  • CCA Security and Trapdoor Functions via Key-Dependent-Message Security PDF
        Presenter: Sri Aravinda Krishnan Thyagarajan
  • A Modular Analysis of Fujisaki-Okamoto Transformation PDF
        Presenter: Christoph Egger


Quantum Algorithms, 25.05.2020