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DIGITAL CISPA Summer School 2021

Coding Techniques & Advanced Post-Quantum Cryptography


August 30 – September 3, 2021




Free of charge


Coding techniques and related assumptions are at the core of several exciting recent developments in cryptography. In particular, code-based assumptions have attracted attention as they offer conjectured post-quantum security and allow for very efficient and versatile implementations.

During this summer school, leaders of the field will present and discuss new developments concerning constructions of advanced cryptographic primitives based on code-based assumptions, as well as novel cryptanalytic methods to study these assumptions and understand the security they offer.



There are 2 options to participate. 

  1. If you do not want a certificate of attendance, please register stating your name, affiliation, and e-mail address. Shortly before the event, we will send you the link to our Summer School.
  2. If you would like a certificate of attendance, please register stating some additional information and uploading your CV. At the end of our Summer School, you will take a short Quiz and we will issue a certificate for the event.
Register Now

Questions? Contact our summer-school team at



Monday, August 30, 2021


1:45  – 2pm         Opening Remarks by Antoine Joux and Nico Döttling (both CISPA)

2pm – 3pm        Benny Applebaum (Tel-Aviv University) “On the Cryptographic Hardness of Random Linear Codes”
3pm – 4pm        Zvika Brakerski (Weizmann Institute) ”Worst-Case Hardness for LPN and Cryptographic Hashing via Code Smoothing”

Tuesday, August 31, 2021

2pm – 3 pm     Magali Bardet (Laboratoire LITIS, Université de Rouen) “Algebraic cryptanalysis of the Minrank, RSD and RSL problems and applications in Post-Quantum Cryptography”
3pm – 4pm       Alexander May (Ruhr Universität Bochum) “Information Set Decoding - Algorithms and Practical Results”

Wednesday, September 1, 2021 


10am 11am        Yuval Ishai (Technion) “Low-Complexity Cryptography and Error-Correcting Codes”
2pm – 3pm     Geoffroy Couteau (CNRS, IRIF, Université de Paris) “How to generate correlated pseudorandomness from (variants of) LPN - Part I”
3pm – 4pm     Lisa Kohl (CWI Amsterdam) “How to generate correlated pseudorandomness from (variants of) LPN - Part II”

Thursday, September 2, 2021 


Afternoon        Discussion and Q&A Session
7pm – 8pm      Amit Sahai (University of California, Los Angeles) “Hardness of decoding random linear codes and advanced cryptographic feasibility”

Friday, September 3, 2021 

9am – 10am      Chaoping Xing (Shanghai Jiaotong University) “A brief survey on list decoding of classical block codes”
10am - 11am      Leo Ducas (CWI Amsterdam) “An Algorithmic Reduction Theory for Binary Codes: LLL and more”
2pm – 3pm        Alain Couvreur (LIX,  Inria Saclay, École Polytechnique)  “Cryptanalysis of algebraic codes endowed with the Hamming metric”

Past Schools 

Digital CISPA Summer School 2020

In 2020, our first digital event featured 1,5 weeks of IT-Security talks and discussions by CISPA researchers and invited speakers.