用于文件的DES加密和解密，用matlab编的，含操作界面，其核心程序是网上DOWN的,DES for file encryption and decryption, using the matlab made, including user interface, the core of the program is online DOWN

The archive contains the code is implemented in Matlab one of the most well-known cryptographic symmetric algorithms - Algorithm DES (data encryption standard).

在matlab环境下，实现加密解密算法中的DES算法的源代码，以及GUI界面的生成-In the matlab environment, the realization of encryption decryption algorithm of DES algorithm source code, and the generation of GUI interface