This paper introduces a completely nonsingular matrix based substitution permutation network that can effectively improve the performance of the block cipher against linear cryptanalysis.
论文介绍了一种基于全非奇异矩阵的代替置换网络，它可有效的提高分组密码抗线性密码分析的能力。
Applying permutation matrix, the association and the system isomorphism between contractual relationship modeling in theory and its operation in practice were verified.
采用置换矩阵，验证了契约关系模型理论构建与现实运作间的关联关系及系统的同构性。
The method used a parity-check matrix of a short LDPC code as its mother matrix upon which a long code was constructed with circulant permutation matrices.
该方法利用一个短的LDPC码的校验矩阵作为其母矩阵，在此基础上采用循环置换矩阵构造一个长的LDPC码。
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