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Title:
On CCZ-equivalence and its use in secondary constructions of bent functions
Authors: Lilya Budaghyan, Claude Carlet
Abstract:We prove that, for bent vectorial functions, CCZ-equivalence coincides with EA-equivalence. However, we show that CCZ-equivalence can be used for constructing bent functions which are new up to CCZ-equivalence. Using this approach we construct classes of nonquadratic bent Boolean and bent vectorial functions.
ePrint: https://eprint.iacr.org/2009/042
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