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A class of semi-bent functions with an even number of variables is constructed by using the values of Kloosterman sums.These semi-bent functions are Boolean functions with four trace terms.Moreover,it is shown that the algebraic degrees of the new semi-bent functions attain the maximum values.
A class of semi-bent functions with an even number of variables is constructed by using the values of Kloosterman sums. These semi-bent functions are Boolean functions with four trace terms. Moreover, it is shown that the algebraic degrees of the new semi- bent functions attain the maximum values.