Title: Maiorana-McFarland Functions with High Second-Order Nonlinearity.
Abstract: The second–order nonlinearity, and the best quadratic approximations, of Boolean functions are studied in this paper. We prove that cubic functions within the Maiorana–McFarland class achieve very high second order nonlinearity, which is close to an upper bound that was recently proved by Carlet et al., and much higher than the second order nonlinearity obtained by other known constructions. The structure of the cubic Boolean functions considered allows the efficient computation of (a subset of) their best quadratic approximations.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: preprint
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Cited By Count: 5
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