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IEICE TRANSACTIONS on Fundamentals

Open Access
A Note on the Algebraic Immunity of the Enhanced Boolean Functions

Deng TANG

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Summary :

In 2015, Carlet and Tang [Des. Codes Cryptogr. 76(3): 571-587, 2015] proposed a concept called enhanced Boolean functions and a class of such kind of functions on odd number of variables was constructed. They proved that the constructed functions in this class have optimal algebraic immunity if the numbers of variables are a power of 2 plus 1 and at least sub-optimal algebraic immunity otherwise. In addition, an open problem that if there are enhanced Boolean functions with optimal algebraic immunity and maximal algebraic degree n-1 on odd variables n≠2k+1 was proposed. In this letter, we give a negative answer to the open problem, that is, we prove that there is no enhanced Boolean function on odd n≠2k+1 variables with optimal algebraic immunity and maximal algebraic degree n-1.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E103-A No.1 pp.366-369
Publication Date
2020/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.2019EAL2049
Type of Manuscript
LETTER
Category
Cryptography and Information Security

Authors

Deng TANG
  Southwest Jiaotong University,Guangxi Key Laboratory of Cryptography and Information Security

Keyword