Blar i Institutt for datateknologi, elektroteknologi og realfag på emneord "almost perfect nonlinear (APN)"
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On the behavior of some APN permutations under swapping points
(Peer reviewed; Journal article, 2021)We define the pAPN-spectrum (which is a measure of how close a function is to being APN) of an (n, n)-function F and investigate how its size changes when two of the outputs of a given function F are swapped. We completely ... -
Partially APN Boolean functions and classes of functions that are not APN infinitely often
(Peer reviewed; Journal article, 2019)In this paper we define a notion of partial APNness and find various characterizations and constructions of classes of functions satisfying this condition. We connect this notion to the known conjecture that APN functions ... -
Partially APN functions with APN-like polynomial representations
(Peer reviewed; Journal article, 2020)In this paper we investigate several families of monomial functions with APN-like exponents that are not APN, but are partially 0-APN for infinitely many extensions of the binary field F2. We also investigate the differential ...