在分组密码的设计中，提高分组密码的抗差分攻击性能是一个重要的课题。
An important problem in the design of the block cipher is to improve the performance of the resisting differential cryptanalysis.
AC分组密码的设计结合了宽轨迹策略和比特块技术，以确保算法对差分密码分析和线性密码分析的安全性。
The cipher design combines the wide trail strategy and bit-slice technology that ensure the resistance AC against differential and linear cryptanalysis.
文中以DES加密算法为例，在分析DES加密过程、密钥计算、加密函数和解密过程的基础上，探讨分组密码的设计原则。
The general design rules of block cipher is discussed by analyzing the encryption process, key generating, encryption function and decryption process of des algorithm.
扩散准则是分组密码中布尔函数设计的基本准则。
The propagation criterion is an important criterion of designing Boolean functions in block cipher.
指出了分组密码的多次迭代使对称置换结构复杂化，可以选择对称置换作为分组密码算法的扩散部分来设计。
This paper shows that Hi-times substitute makes permutation structure more complicity, so symmetrical permutation can be chosen as the diffusion module in block cipher algorithm design.
密钥编排是迭代型分组密码体制设计的一个重要环节。
Key schedule is an important part in designing iterated block cryptosystems.
设计了一种新的分组密码算法，该算法利用矩阵乘法的扩散作用与专门设计的一种矩阵运算的混乱作用实现对信息的加密。
A new block cipher is designed where the diffusion of matrix multiplication is combined with the confusion of specially designed matrix operation to encrypt information.
文章对一种适用于分组密码算法的循环移位器ip核的设计进行了研究，该IP核的可重构设计使其具有可复用性。
A sort of reconfiguration cycling shifter for Block Cipher Algorithm, which was designed as IP core for reusing, was studied in this paper.
分析了基于分组密码算法idea设计的端-端加密系统。
IDEA is a symmetrical block cipher. End-to-end encryption based on IDEA is presented and analyzed.
S盒是设计分组密码的重要组件。
Block ciphers employ substitution boxes (S-boxes) as important components.
一个自己设计的加密体制。本体制采用分组密码思想，对128位的明文分组进行加解密。
Block cipher used in this system of thought, of the 128-bit encryption and decryption expressly groups.
一个自己设计的加密体制。本体制采用分组密码思想，对128位的明文分组进行加解密。
Block cipher used in this system of thought, of the 128-bit encryption and decryption expressly groups.
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