A new construction of highly nonlinear S-boxes

被引:2
|
作者
Beelen, Peter [1 ]
Leander, Gregor [1 ]
机构
[1] Tech Univ Denmark, DTU Math, DK-2800 Lyngby, Denmark
关键词
Boolean functions; Linear codes; Nonlinearity; Reed-Muller codes; Concatenation;
D O I
10.1007/s12095-011-0052-4
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
In this paper we give a new construction of highly nonlinear vectorial Boolean functions. This construction is based on coding theory, more precisely we use concatenation to construct Boolean functions from codes over F-q containing a first-order generalized Reed-Muller code. As it turns out this construction has a very compact description in terms of Boolean functions, which is of independent interest. The construction allows one to design functions with better nonlinearities than known before.
引用
收藏
页码:65 / 77
页数:13
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