Introduction - If you have any usage issues, please Google them yourself
DES and RSA encryption based chat tool contains four files: chat.cpp, des.h, rsa.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), such as selecting 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. In addition, the code is implemented asynchronously, select and general three kinds of IO model, you need by defining the macro control.