查看更多>>摘要：A further characterization of the bent-negabent functions is presented.Based on the concept of complete mapping polynomial,we provide a necessary and sufficient condition for a class of quadratic Boolean functions to be bent-negabent.A new characterization of negabent functions can be described by using the parity of Hamming weight.We further generalize the classical convolution theorem and give the nega-Hadamard trans-form of the composition of a Boolean function and a vec-torial Boolean function.The nega-Hadamard transform of a generalized indirect sum is calculated by this composi-tion method.
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