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cs.IT2021★ 5 cited
Trims and Extensions of Quadratic APN Functions
Christof Beierle, Gregor Leander, Léo Perrin
In this work, we study functions that can be obtained by restricting a vectorial Boolean function to an affine hyperplane of di…
cs.IT2021★ 9 cited
A Further Study of Quadratic APN Permutations in Dimension Nine
Christof Beierle, Claude Carlet, Gregor Leander +1
Recently, Beierle and Leander found two new sporadic quadratic APN permutations in dimension 9. Up to EA-equivalence, we present a single trivariate representation of those two per…