一类二次APN函数的Walsh谱.pdf

VOL NO J O U RN A L O F H U BEI E N GIN EE RIN G U N IV E RSI T Y M AY A P N W al s h Walsh Walsh Walsh Gold Walsh Walsh A PN T N A A PN A PN n n Fn A PN Fn Fn Walsh A PN Fn F a b Fn Fn Fx Fx a b A PN Walsh Fn F A PN A PN Walsh Gold Almost Perf ect Nonlinear A PN Walsh n n Fn F F Walsh A PN W F Fn Fn Z Walsh Tr bx aF x A PN Walsh W F a b x F n l k cd l k g n l k k l k k l Tr x x x x x F x x x cx c x n k l l k l k F k k dx