AES算法的结构分析与优化实现  

Structure Analysis and Optimization Implementation of Advanced Encryption Standard Algorithm

作　　者：袁巍[1] 胡亮[1] 林宇[1] 张云龙[1] 黄瑞[1] 李宏图[1] 

机构地区：[1]吉林大学计算机科学与技术学院,长春130012

出　　处：《吉林大学学报（理学版）》2008年第5期885-890,共6页Journal of Jilin University:Science Edition

基　　金：国家自然科学基金(批准号:60473099);新世纪优秀人才支持计划项目基金(批准号:NCET-06-0300)

摘　　要：描述了高级加密标准(Advanced Encryption Standard,AES)算法的各部分功能,并分析了AES算法的结构及实现.对算法单轮执行步骤进行了优化合并.为降低解密算法的实现复杂度,改变了解密算法的工作顺序,使解密算法与加密算法具有相同的结构.To explain the function of each part of the algorithm we make a detailed analysis of the structure and implementation of AES algorithm. Researching the details of the algorithm, we summarized the character-istics of it, optimized and merged the steps of each round of the algorithm. In order to reduce the complexity of decryption algorithm and make it have the same structure with the encryption algorithm, we changed the order of the decryption algorithm and proved the correctness of this change.

关 键 词：高级加密标准 子密钥 加密算法 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]