Some new classes of (almost) perfect c-nonlinear permutations

08/01/2022

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by   Mohit Pal, et al.

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The concept of differential uniformity was recently extended to the c-differential uniformity. An interesting problem in this area is the construction of functions with low c-differential uniformity and a lot of research has been done in this direction in the recent past. Here, we present three classes of (almost) perfect c-nonlinear permutations over finite fields of even characteristic.