一款顶级AES加密解密的例子，很好用，需要设置保护的用户可以参考。-AES encryption and decryption, a top example of good use, the need for the protection of the user can refer to.

用于文件的DES加密和解密，用matlab编的，含操作作界面，其核心程序是网上DOWN的， -DES encryption and decryption for files, using matlab, with the operation for the interface, its core program online DOWN

DES加密解密MATLAB程序附赠详细解释和各分步结果输出(DES MATLAB encryption and decryption process with detailed explanation and output results of each step)

main函数文件输入明文，调用秘钥留生成函数（get_k文件）以及加解密函数（encrypt_fcn文件），完成对明文的加密和解密(Encryption and decryption of plaintext are accomplished by inputting main function file into plaintext, calling secret key generation function (get_k file) and encryption and decryptio