简易版AES算法设计及教学实践  

Design and Teaching Practice of Simple AES Algorithm

作　　者：王秀英 杨峻 雷家浩 WANG Xiuying;YANG Jun;LEI Jiahao(Intelligent Manufacturing College,Tianjin Sino-German University of Applied Sciences,Tianjin 300350,China)

机构地区：[1]天津中德应用技术大学智能制造学院,天津300350

出　　处：《信息与电脑》2023年第3期217-219,共3页Information & Computer

基　　金：天津市高等学校本科教学质量与教学改革研究计划项目“基于实践教学导向的通专融合课程体系研究”(项目编号:B201210502);学校一流大学建设,教材编写出版项目(项目编号:6007063302)。

摘　　要：S-高级加密标准(Advanced Encryption Standard,AES)算法基于AES算法,重新定义了列混合变换中的二阶可逆矩阵,并描述行移位运算,设置密钥扩展运算参数。同时,S-AES算法完全保留了AES算法的基本运算和整体结构,通过压缩明文分组和初始密钥长度,采用减少轮函数执行次数的方式,减少了算法运算量,便于学生通过数据验证深刻理解AES算法的设计方法和思想。The S-Advanced Encryption Standard(AES)algorithm is based on the AES algorithm,and redefines the second-order invertible matrix in the column mixed transformation,re-describes the row shift operation,and resets the key expansion operation parameters.At the same time,the S-AES algorithm completely retains the basic operation and overall structure of the AES algorithm.By compressing the plaintext packet and the initial key length,and reducing the number of round function executions,the amount of algorithm operations is reduced,which is convenient for students to deeply understand the design methods and ideas of the AES algorithm.

关 键 词：教学实践 高级加密标准(AES)算法 列混合 密钥扩展 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]