摘要
主要讨论m阶相关免疫函数的构造和计数问题,并给出了m阶相关免疫函数个数的一个新的下界和一些特殊情况下的精确值。
Construction and enumeration of correlation-immune Boolean functions of m-order are discussed in this paper and the formula of lower bounds given by the authors (1997) formerly is improved greatly.
关键词
相关免疫
流密码
正交矩阵
布尔函数
Correlation-immune, Stream ciphers, Orthogonal array, Boolean functions
