用于学习密码学的四个基本加密源程序,可以帮助你更好地理解基本的加密算法思想.(均是本人的课程设计)-learning cryptography for the four basic encryption source, I can help you better understand the basic thinking of the encryption algorithm. (All my course design)

一个小程序，AES加密解密，课程设计可用，仅供参考-AES encryption and decryption, curriculum design are available for reference purposes only

DES加密算法的实现，包括文档在内，可以直接用作课程设计-DES encryption implementation, including documentation.

数据结构课程设计-置换加密解密算法的实现-To realize the replacement of the encryption algorithm