依据DES加密算法的思想，在VC++6.0编辑器上实现对文件的加解密，具有加解密速度快的优点，快速实现对文件的加解密，速度优于公钥加密体制。-Based on the idea of ​ ​ the DES encryption algorithm implemented on in VC++6.0 Editor file encryption and decryption, encryption and decryption speed advantages, fast f