Publications

Ange Albertini, Thai Duong, Shay Gueron, Stefan Kölbl, Atul Luykx, Sophie Schmieg (2022). How to Abuse and Fix Authenticated Encryption Without Key Commitment. In Usenix 2022.

PDF Slides Code

Daniel J. Bernstein, Andreas Hülsing, Stefan Kölbl, Ruben Niederhagen, Joost Rijneveld, Peter Schwabe (2019). The SPHINCS+ Signature Framework. In ACM CCS 2019.

Gianira N. Alfarano, Christof Beierle, Takanori Isobe, Stefan Kölbl, Gregor Leander (2018). ShiftRows Alternatives for AES-like Ciphers and Optimal Cell Permutations for Midori and Skinny. In TOSC 2018.

Ralph Ankele, Stefan Kölbl (2018). Mind the Gap - A Closer Look at the Security of Block Ciphers against Differential Cryptanalysis. In SAC 2018.

Zahra Eskandari, Andreas Brasen Kidmose, Stefan Kölbl, Tyge Tiessen (2018). Finding Integral Distinguishers with Ease. In SAC 2018.

Stefan Kölbl (2018). Putting Wings on SPHINCS. In PQCrypto 2018.

PDF Code Slides

Daniel J. Bernstein, Stefan Kölbl, Stefan Lucks, Pedro Maat Costa Massolino, Florian Mendel, Kashif Nawaz, Tobias Schneider, Peter Schwabe, François-Xavier Standaert, Yosuke Todo, Benoît Viguier, Tomsilav Nad (2017). Gimli: a cross-platform permutation. In CHES 2017.

PDF Code Slides

Stefan Kölbl, Martin M. Lauridsen, Florian Mendel, Christian Rechberger (2017). Haraka - Efficient Short-Input Hashing for Post-Quantum Applications. In TOSC 2017.

PDF Code Slides

Stefan Kölbl, Elmar Tischhauser, Patrick Derbez, Andrey Bogdanov (2016). Troika: a ternary cryptographic hash function. In Designs, Codes and Cryptography.

Christof Beierle, Jérémy Jean, Stefan Kölbl, Gregor Leander, Amir Moradi, Thomas Peyrin, Yu Sasaki, Pascal Sasdrich, Siang Meng Sim (2016). The SKINNY Family of Block Ciphers and its Low-Latency Variant MANTIS. In CRYPTO 2016.

Site PDF Code Slides