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Nikolay Stoyanov Kaleyski's picture

Nikolay Stoyanov Kaleyski

Associate Professor
  • E-mailNikolay.Kaleyski@uib.no
  • Visitor Address
    HIB - Thormøhlens gate 55
    5006 Bergen
  • Postal Address
    Postboks 7803
    5020 Bergen

My research focuses on the analysis and construction of cryptographically optimal Boolean functions, most prominently Almost Perfect Nonlinear (APN) functions.

Academic article
  • Show author(s) (2022). On Two Fundamental Problems on APN Power Functions. IEEE Transactions on Information Theory. 3389-3403.
  • Show author(s) (2021). On the behavior of some APN permutations under swapping points. Cryptography and Communications. 27 pages.
  • Show author(s) (2021). Invariants for EA- and CCZ-equivalence of APN and AB functions. Cryptography and Communications. 995-1023.
  • Show author(s) (2021). Generalization of a class of APN binomials to Gold-like functions. Lecture Notes in Computer Science (LNCS). 195-206.
  • Show author(s) (2021). Deciding EA-equivalence via invariants. Cryptography and Communications. 20 pages.
  • Show author(s) (2020). Partially APN functions with APN-like polynomial representations. Designs, Codes and Cryptography. 1159-1177.
  • Show author(s) (2020). On the Distance Between APN Functions. IEEE Transactions on Information Theory. 5742-5753.
  • Show author(s) (2020). Classification of quadratic APN functions with coefficients in F2 for dimensions up to 9. Finite Fields and Their Applications. 16 pages.
  • Show author(s) (2020). A New Family of APN Quadrinomials. IEEE Transactions on Information Theory. 7081-7087.
  • Show author(s) (2019). Partially APN Boolean functions and classes of functions that are not APN infinitely often. Cryptography and Communications. 1-19.
  • Show author(s) (2019). Changing APN functions at two points. Cryptography and Communications. 1165-1184.
Academic lecture
  • Show author(s) (2020). On the sensitivity of some permutation APN functions to swapping points.
  • Show author(s) (2018). Partially APN Boolean functions.
Doctoral dissertation
  • Show author(s) (2021). Towards a deeper understanding of APN functions and related longstanding problems.

More information in national current research information system (CRIStin)