The differential spectrum and boomerang spectrum of a class of locally-APN functions

Zhao Hu, Nian Li, Linjie Xu +2

In this paper, we study the boomerang spectrum of the power mapping $F(x)=x^{k(q-1)}$ over ${\mathbb{F}}_{q^2}$, where $q=p^m$, $p$ is a prime, $m$ is a positive integer and $\gcd(k…