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IEICE TRANSACTIONS on Fundamentals

Highly Nonlinear Vector Boolean Functions

Takashi SATOH, Kaoru KUROSAWA

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Summary :

In this paper we study n-input m-output Boolean functions (abbr. (n,m)-functions) with high nonlinearity. First, we present a basic construction method for a balanced (n,m)-function based on a primitive element in GF(2m). With an iterative procedure, we improve some lower bounds of the maximum nonlinearity of balanced (n,m)-functions. The resulting bounds are larger than the maximum nonlinearity achieved by any previous construction method for (n,m)-functions. Finally, our basic method is developed to construct an (n,m)-bent function and discuss its maximum algebraic degree.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E82-A No.5 pp.807-814
Publication Date
1999/05/25
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Type of Manuscript
Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
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