Introduction - If you have any usage issues, please Google them yourself
DES encryption chat tool contains three files: chat.cpp, des.h, makefile. Compile: command line mode, switch to the code directory, enter make press Enter. Run: Command line mode input/chat, and then select the program to perform the role (client or server). If you select a server, the program automatically opens the port to start listening If you choose a client, you need to enter the server address. Finally, enter the quit command to exit the program.