DES算法的加密解密，借用别人的代码，自己编写的小界面。可以加密八位以下的字符，解密后输出为十六进制，并且可以正确解密。希望对大家有用-DES algorithm for encryption and decryption, to borrow someone else' s code, I have written a small interface. The following eight characters can be encrypted, decrypted output to