Equivalence classes of Niho bent functions

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2 Citations (Scopus)

Abstract

Equivalence classes of Niho bent functions are in one-to-one correspondence with equivalence classes of ovals in a projective plane. Since a hyperoval can produce several ovals, each hyperoval is associated with several inequivalent Niho bent functions. For all known types of hyperovals we described the equivalence classes of the corresponding Niho bent functions. For some types of hyperovals the number of equivalence classes of the associated Niho bent functions are at most 4. In general, the number of equivalence classes of associated Niho bent functions increases exponentially as the dimension of the underlying vector space grows. In small dimensions the equivalence classes were considered in detail.

Original languageEnglish
Pages (from-to)1509-1534
Number of pages26
JournalDesigns, Codes, and Cryptography
Volume89
Issue number7
DOIs
Publication statusPublished - Jul 2021

Keywords

  • Bent functions
  • Hyperovals
  • Line ovals
  • Niho bent functions
  • Ovals

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Computer Science Applications
  • Discrete Mathematics and Combinatorics
  • Applied Mathematics

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