Socket Programming

NTU Computer Network 2024
Socket programming based on C++

Current features

• Multithreaded server
• Authenticate
  • Login
  • Register
• Chatroom
  • Client-to-server
  • Client-to-client (through the server)
• File transfer
  • Upload file to server
  • Download file from server
• Message encryption with OpenSSL
  • Hybrid cryptosystem (RSA+AES)

Install

Install OpenSSL package.

sudo apt install libssl-dev

Compile

make

Run the code

./server
./client

• Default server address: 127.0.0.1:48763
• The files stored on the server will be placed in the serverfile folder
• Registered account information is stored in account.txt