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)