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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