摘要
本文是杨义先以前工作(1988)的继续,利用特征矩阵分析n元H-布尔函数的结构性质,求出了目前为止最好的计数下界。
As the second part of author's serial research (1988), the cipher significant and structure properties of H-Boolean functions are investigated in further by the characteristic matrix. The best updated lower bounds are found for the enumeration of H-Boolean functions.
基金
国家杰出青年基金
国家教委跨世纪优秀人才专项基金
关键词
H-布尔函数
密码特性
构造
计数
密码学
H-Boolean functions, Cipher characteristic, Construction and enumeration
