Author(s): Feng Dengguo, Li Chunxiang, Xiao Guozhen
Pages: 34-38
Year: 1994 Issue:  4
Journal: Journal on Communications
Keyword:  nd-order walsh spectrum; quadratic bent functions; Boolean functions;
Abstract: In this paper, we present 2nd-order walsh spectrum using matrix form and discuss its properties. In addition, we introduce quadratic bent functions and describe the cryptographic applications of them.