On the Evolution of Boomerang Uniformity in Cryptographic S-boxes

Marko Durasevic, Domagoj Jakobovic, Luca Mariot, Sihem Mesnager, Stjepan Picek*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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Abstract

S-boxes are an important primitive that help cryptographic algorithms to be resilient against various attacks. The resilience against specific attacks can be connected with a certain property of an S-box, and the better the property value, the more secure the algorithm. One example of such a property is called boomerang uniformity, which helps to be resilient against boomerang attacks. How to construct S-boxes with good boomerang uniformity is not always clear. There are algebraic techniques that can result in good boomerang uniformity, but the results are still rare. In this work, we explore the evolution of S-boxes with good values of boomerang uniformity. We consider three different encodings and five S-box sizes. For sizes 4 × 4 and 5 × 5, we manage to obtain optimal solutions. For 6 × 6, we obtain optimal boomerang uniformity for the non-APN function. For larger sizes, the results indicate the problem to be very difficult (even more difficult than evolving differential uniformity, which can be considered a well-researched problem).

Original languageEnglish
Title of host publicationApplications of Evolutionary Computation - 26th European Conference, EvoApplications 2023, Held as Part of EvoStar 2023, Proceedings
EditorsJoão Correia, Stephen Smith, Raneem Qaddoura
PublisherSpringer
Pages237-252
Number of pages16
ISBN (Print)9783031302282
DOIs
Publication statusPublished - 9 Apr 2023
Event26th International Conference on Applications of Evolutionary Computation, EvoApplications 2023 - Brno, Czech Republic
Duration: 12 Apr 202314 Apr 2023
Conference number: 26

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume13989 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference26th International Conference on Applications of Evolutionary Computation, EvoApplications 2023
Abbreviated titleEvoApplications
Country/TerritoryCzech Republic
CityBrno
Period12/04/2314/04/23
Otherheld as part of EvoStar 2023

Keywords

  • 2024 OA procedure
  • Evolutionary Algorithms
  • Permutations
  • S-boxes
  • Boomerang Uniformity

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