SPN is a popular overall structure of block cipher, and the differential cryptanalysis and linear cryptanalysis are the most powerful approaches to attack most symmetric block ciphers.
SPN结构是一种流行的分组密码总体结构；差分和线性分析是攻击分组密码的最强有力的方法。
The general structure of SAFER block ciphers adopts SP network. It's design has some original features.
SAFER系列密码算法的总体结构采用SP 网络，它的设计具有其独到的几个特色。
The general structure of SAFER block ciphers adopts SP network. It's design has some original features. In this paper, the design technique of SAFER block cipher is analyzed.
SAFER系列密码算法的总体结构采用SP网络，它的设计具有其独到的几个特色。
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