New classes of generalized boolean bent functions over Z4
Nian Li, Xiaohu Tang, Tor Helleseth
Abstract
Nian Li, Xiaohu Tang, Tor Helleseth
Abstract
New quadratic bent functions in polynomial forms are constructed in this paper. The constructions give new boolean bent and generalized boolean bent functions. Based on Z4-valued quadratic forms, a simple method provides several new constructions of generalized boolean bent functions. From these generalized boolean bent functions a method is presented to transform them into binary bent and semi-bent functions.
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New quadratic bent functions in polynomial forms are constructed in this paper. The constructions give new boolean bent and generalized boolean bent functions. Based on Z4-valued quadratic forms, a simple method provides several new constructions of generalized boolean bent functions. From these generalized boolean bent functions a method is presented to transform them into binary bent and semi-bent functions.
Key concepts: Bent molecular geometry, Boolean function, Bent function, Quadratic equation, Discrete mathematics, Mathematics, Binary number, Combinatorics