Introduction - If you have any usage issues, please Google them yourself
* The use of DES encryption and decryption, can be byte [], String type ciphertext encryption and decryption can use String, byte [] storage.** Method: void getKey (String strKey) note from strKey generate a Key** String getEncString (String strMing) to encrypt strMing, String ciphertext return String* getDesString (String strMi) to decrypt strMin, return String expressly** byte [] getEncCode (byte [] byteS) byte [] encryption type byte [] getDesCode (byte []* byteD) byte [] type of decryption