Characterization of Symmetric Bent Functions-An Elementary Proof

Subhamoy Maitra1, Palash Sarkar2
1 Computer and Statistical Service Centre Indian Statistical Institute 203, B.T. Road, Calcutta 700 035, INDIA
2Department of Combinatorics and Optimization University of Waterloo 200 University Avenue West Waterloo, Ontario Canada N2L 3G1

Abstract

A characterization of symmetric bent functions has been presented in [3]. Here, we provide a simple proof of the same result.