TU Wien

• 192.124 Symmetric Cryptography (VU 4,0) 2025S

• 192.125 Introduction to Cryptography (VU 4,0) 2024W

• 192.124 Symmetric Cryptography (VU 4,0) 2024S

• 193.052 Scientific Writing (Cryptography, SE 2,0) 2024S

• 193.052 Scientific Writing (Security & Privacy, SE 2,0) 2022S

• 192.124 Symmetric Cryptography (VU 4,0) 2021W

Previously taught

• Course on Advanced Topics in Cryptology (2020S), DTU, Denmark

• Course on Practical Cryptology (2019W), DTU, Denmark

• Course on Advanced Methods in Cryptography, Provable security (2009 - 2018), KU Leuven, Belgium

• Lectures on Applications of Authenticated Encryption (2018) ECRYPT-NET School on Integrating Advanced Cryptography with Applications, Kos, Greece

• Intensive Course on Introduction to Cryptography (2016), Habib University

• Lectures on Hash Functions: Provable Security and SHA-3 Results and The CAESAR AE Cryptographic Competition (2015), CryptoBG Summer School, Oriahovitza, Bulgaria

• Lectures on Security Aspects of Authenticated Encryption (2014), Summer School on Design and Security of Cryptographic Algorithms and Devices for Real-World Applications, Shibenik, Croatia

• Intensive Course on Symmetric Cryptography (2012), University of Cheikh Anta Diop

• Intensive Course on Hash Functions (2012), University of Oulu

• Lectures on Theoretical Aspects of Hash Function Security, ECRYPT Summer School on Design and Security of Cryptographic Algorithms and Devices, Albena, Bulgaria, 2011

• Lectures on Herding and Generic Hash Function Attacks, ECRYPT Summer School on Hash^3: Proofs, Analysis, and Implementation, Tenerife, Spain, 2009

• Lectures on Hash Functions: Past, Present and Future, International Symposium on Recent Developments in Cryptography and Information Security, Oriahovitza, Bulgaria, 2008

PhD students

• supervision: Stefano Trevisani (2023-) and Andreas Weninger (2021 - ongoing), TU Wien, Austria

• co-supervision (with prof. Bart Preneel): Amit Singh Bhati (2020-), KU Leuven, Belgium

• assessor: Erik Pohle (2021-), KU Leuven, Belgium

• assessor: Atul Luykx, The Design and Analysis of Message Authentication and Authenticated Encryption Schemes, KU Leuven, Belgium, 2016

• external PhD committee member: Mayank Raikwar, Cryptography for Innovative Blockchain Services, NTNU, Norway, 2022

• external PhD committee member: Ahto Truu, Hash-Based Server-Assisted Digital Signature Solutions, Tallinn University of Technology, Estonia, 2020

• external PhD committee member: Louiza Khati, Full Disk Encryption and Beyond, ENS, Paris, France, 2019

• external PhD committee member: Tuomas Kortelainen, On iteration-based security flaws in modern hash functions, Oulu University, Finnland, 2014

Master and Bachelor thesis students

• Josef Ramber, Skye and its Application in ASMesh, Evaluating the use and performance of Skye in a Double Ratchet based messaging protocol, Bachelor thesis at TU Wien, 2024

• Àlex Mitjans Llorach, Implementation of algebraic cryptographic primitives in the Plonk Framework, Erasmus bachelor thesis, Universitat Politècnica de Catalunya and TU Wien, 2024

• Anisha Dutta, A Catalogue for Provably Secure Symmetric Modes and Primitives, Master thesis at KU Leuven, 2021

• Dilyana Dimitrova, Cryptanalsyis techniques,, Master thesis at N. Vapcarov Academy, 2021

• Ferdinand Sauer, Interpolation Cryptanalysis of Unbalanced Feistel Networks, Master thesis at KU Leuven, 2020

• Tom De Keyser, Implementation of a verifiable mix network, Master thesis at KU Leuven, 2017

• Robin Ankele, Provable Security of Submissions to the CAESAR Cryptographic Competition, Master thesis at KU Leuven, 2015

• Willem Schroe, Cryptanalysis of Submission to the CAESAR Cryptographic Competition iFeed, graduated 2015

• Atul Luykx, The scope of indifferentiability and its application to BLAKE, Master thesis at KU Leuven, 2012

• Marjan Skrobot, Provable Security Analysis of SHA-3 Candidates, Master thesis at KU Leuven, 2012

• Raoul Ghosh, Overview and Security Analysis of Tree-based Domain Extenders for Hash Functions, Master thesis at KU Leuven, 2009