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- As the application of orthomorphic permutations in cryptography, we simply emphasize the advantage provided by such permutation in increasing the security of a block cipher. 简要强调了利用正形置换强化分组密码的优点;利用正形置换设计了一种密码安全布尔函数。
- orthomorphic permutation polynomial 正形置换多项式
- generalized orthomorphic permutation 广义正形置换
- We develop a necessary and sufficient condition under which an orthomorphic permutation is linear, and also improve the method available of constructing nonlinear orthomorphic permutations. 给出了一类线性正形置换的计数方法;对现有的非线性正形置换的构造方法进行了改进;
- Keywords block ciphers. finite filed, permutation polynomials.,,,, orthomorphic permutation ,quick trickle permutation,,,,, Boolean permutation, arrangment, mult-output du 分组密码;有限域;置换多项式;正形置换;全距置换;布尔函数;多输出函数;弹性函数;拉丁方;排列;排序;
- orthomorphic permutation 正形置换
- Keywords Block cipher;Finite fields;Permutations;Orthomorphic permutations;Orthomorphic permutation polynomials;Orthomorphic matrices;Circle of permutations;Boolean functions; 分组密码;有限域;置换;正形置换;最大线性正形置换;置换的圈分解;正形置换多项式;
- Construction of orthomorphic permutations and A lower bound for number of them 正形置换的构造
- Such a permutation is called a derangement. 这样的一个排列称为错位排列。
- IQ switching can support high speed permutation with low cost. 基于Crossbar的输入交换机能在低成本的条件下支持高速交换.
- Unique because that particular permutation has not appeared before. 之所以独一无二,是因为那种独特的基因排列组合以前不曾出现过。
- The permutation module and the substitution module are designed. 给出了加密算法的置乱模块和替代模块。
- At the end, the permutation forms is definiteed on the p... 该推导公式对截齿排列形式的选择有一定的理论指导意义。
- I just found out the above combination and permutation. 我刚发现了以上的组合和变换。
- orthomorphic permutations 正形置换
- Every sort of permutation and combination is possible in human nature. 火的本性可能有各种交织和组合的情况。
- The permutation is even if the number of inversions it contains is even. 如果一个排列中含有的反序的个数是偶数,则称它为偶排列。
- Fengler, F., Permutation lock, U.S.Patent No. 3,115,765, December 31, 1963. 胡家琛,锁,徐氏基金会出版社,台北,1992。
- Other enumeration problems lead us to the study of orbits of permutation groups. 其它的计数问题引导我们去研究置换群的轨道。
- This classification is called the parity of the permutation analogous to the definition of parity of integers. 这种分类叫作置换的奇偶性,类似于整数偶性的定义。