通过上机操作，使学生对高级加密标准AES算法的执行过程、密钥编排方案和加密算法的实现过程等有一个更加清晰地认识。通过本次实验，加深学生对分组密码的认识。(Through the operation of the computer, we have a clearer understanding of the implementation process of the AES algorithm, the key arrangement scheme and the implementation