置换的优势等价类及其性质

Accord advantage equivalent class of permutation and its properties

置换是现代密码设计中常用的手段.对加密函数的输入和输出进行符合优势的分析是密码分析的基本方法.本文用优势分析的方法讨论了置换的有关性质.

Permutation is a popluar method in morden cryptology. Researching the relation of the input and output of the crypto-function is a basic method in cryptoanalysis. In this paper, the properties of permutation are discussed by accord advantage analysis.