Markus Schofnegger
Markus Schofnegger
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2022
Proving Resistance Against Infinitely Long Subspace Trails: How to Choose the Linear Layer
Designing cryptographic permutations and block ciphers using a substitution-permutation network (SPN) approach where the nonlinear part …
Mar 24, 2022
Athens, Greece
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Video
2021
Poseidon: A New Hash Function for Zero-Knowledge Proof Systems
The area of practical computational integrity proof systems, like SNARKs, STARKs, Bulletproofs, is seeing a very dynamic development …
Aug 11, 2021
Vancouver, Canada (Virtual Event)
Slides
Video
2020
An Algebraic Attack on Ciphers with Low-Degree Round Functions: Application to Full MiMC
Algebraically simple PRFs, ciphers, or cryptographic hash functions are becoming increasingly popular, for example due to their …
Dec 8, 2020
Daejeon, South Korea (Virtual Event)
Slides
Video
On a Generalization of Substitution-Permutation Networks: The HADES Design Strategy
Keyed and unkeyed cryptographic permutations often iterate simple round functions. Substitution-permutation networks (SPNs) are an …
May 13, 2020
Zagreb, Croatia (Virtual Event)
Video
2019
Algebraic Cryptanalysis of Variants of Frit
Frit is a cryptographic 384-bit permutation recently proposed by Simon et al. and follows a novel design approach for built-in …
Aug 14, 2019
Waterloo, Canada
Algebraic Cryptanalysis of Jarvis and Friday
In this rump session talk we present our preliminary results regarding new algebraic attacks on Jarvis and Friday.
Mar 27, 2019
Paris, France
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