1. Alan Szepieniec “On the Use of Legendre Symbols in Symmetric Cipher Design” IACR ePrint archive [paper]
  2. Jan Ferdinand Sauer and Alan Szepieniec “SoK: Gröbner Basis Algorithms for Arithmetization Oriented Ciphers” IACR ePrint archive [paper]
  3. Alan Szepieniec and Yuncong Zhang “Polynomial IOPs for Linear Algebra Relations” IACR ePrint archive [paper]
  4. Alan Szepieniec and Tomer Ashur and Siemen Dhooghe “Rescue-Prime: a Standard Specification” IACR ePrint archive [paper]
  5. Abdelrahman Aly and Tomer Ashur and Eli Ben-Sasson and Siemen Dhooghe and Alan Szepieniec “Design of Symmetric-Key Primitives for Advanced Cryptographic Protocols” ToSC 2020 [paper]
  6. Benedikt Bünz and Ben Fisch and Alan Szepieniec “Transparent SNARKs from DARK Compilers” EUROCRYPT 2020 [paper] [slides]
  7. Alan Szepieniec and Tomer Ashur. “Eaglesong: an ARX Hash with Fast Diffusion” Proc. of the Romanian Academy Series A, Vol. 21 [paper]
  8. Alan Szepieniec and Bart Preneel. “Block-Anti-Circulant Unbalanced Oil and Vinegar” SAC 2019 [paper] [slides]
  9. Carl Bootland and Wouter Castryck and Frederik Vercauteren and Alan Szepieniec “A Framework for Cryptographic Problems from Linear Algebra” Journal of Mathematical Cryptology [paper]
  10. Alan Szepieniec and Reza Reyhanitabar and Bart Preneel. “Key Encapsulation from Noisy Key Agreement in the Quantum Random Oracle Model” IACR ePrint report 2018/844 [paper]
  11. Ward Beullens and Bart Preneel and Alan Szepieniec. “Public Key Compression for Constrained Linear Signature Schemes” SAC 2018 [paper]
  12. Alan Szepieniec and Bart Preneel. “Short Solutions to Nonlinear Systems of Equations” NuTMiC 2017 [paper]
  13. Bart Mennink and Alan Szepieniec. “XOR of PRPs in a Quantum World” PQCrypto 2017 [paper]
  14. Alan Szepieniec and Ward Beullens and Bart Preneel. “MQ Signatures for PKI” PQCrypto 2017 [paper][slides]
  15. Albrecht Petzoldt and Alan Szepieniec and Mohamed Saied Emam Mohamed. “A Practical Multivariate Blind Signature Scheme” Financial Crypto 2017 [paper] [slides]
  16. Atul Luykx and Bart Preneel and Alan Szepieniec and Kan Yasuda. “On the Influence of Message Length in PMAC’s Security Bounds” EUROCRYPT 2016 [paper]
  17. Alan Szepieniec and Jintai Ding and Bart Preneel. “Extension Field Cancellation: a New Central Trapdoor for Multivariate Quadratic Systems” PQCrypto 2016 [paper] [slides]
  18. Alan Szepieniec and Bart Preneel. “New Techniques for Electronic Voting” USENIX JETS 2015 [paper] [slides]


  1. Ph.D. Dissertation: “Mathematical and Provable Security Aspects of Post-Quantum Cryptography” December 2018, KU Leuven. [pdf]


  1. “Introduction to Quantum Algorithms” March 2018 [slides]
  2. “(Digital Signatures from) Short Solutions to Nonlinear Systems of Equations” NuTMiC, September 2017, Warsaw [slides]
  3. “Quantum Attack on LWE/LPN (A strategy for a)” Quantum Cryptanalysis Research Retreat 15 September 2016, Eindhoven [slides]
  4. “Introduction to Quantum Algorithms and Quantum Cryptanalysis” Quantum Cryptanalysis Research Retreat 15 September 2016, Eindhoven [slides]
  5. “Introduction to Bitcoin” Workshop SolarCoin 30 May 2016, Brussels [slides]

Standardization Proposals

  1. Alan Szepieniec. “Ramstake” [documentation, submission package]