MDS矩阵构造方法  

Construction of MDS matrices

作　　者：李鹏飞[1,2] 李永强[1] LI Peng-fei LI Yong-qiang(The State Key Lab of Information Security, Institute of Information Engineering, Chinese Academy of Sciences, Beijing 100093, China University of Chinese Academy of Sciences, Beijing 100049, China)

机构地区：[1]中国科学院信息工程研究所信息安全国家重点实验室,北京100093 [2]中国科学院大学,北京100049

出　　处：《网络与信息安全学报》2016年第6期44-53,共10页Chinese Journal of Network and Information Security

基　　金：国家自然科学基金资助项目(No.61379142;No.61303255)~~

摘　　要：针对MDS矩阵的设计策略做了综述。阐述了MDS矩阵构造中的关键问题,并对当前典型和常见MDS矩阵的构造方法从原理、实现机制等方面进行了分析和讨论。另外,调研了最近几年关于轻量级MDS矩阵的研究成果。A survey for MDS matrices design strategy was made. Design strategies and the key issues during the design were elaborated, and many aspects such as principle and implementation mechanisms of some typical and common construction of MDS matrices were analyzed and discussed. In addition, the research results on lightweight MDS matrices in recent years were investigated.

关 键 词：分组密码 最优扩散层 分支数 MDS矩阵 线性变换 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]