Socket File Transfer Project

A simple Python file transfer project that demonstrates core networking, checksum, and encryption concepts using sockets. It supports both secure and unsecure file transfers between a client and a server.

Features

• Secure transfers using ChaCha20
• Unsecure (plain) file transfers
• File listing from the server
• SHA-256 integrity verification

Structure

• client_soc.py – Client downloader
• multi_sevrer_soc.py – Multi-client server
• storage/ – Server files
• folder/ – Client downloads (auto-created)

Usage

1. Clone the repository

2. Install dependencies:

   pip install -r requirements.txt

3. Start the server:

python multi_sevrer_soc.py

4. Run the client:

python client_soc.py

Choose secure (y) or unsecure (n), select a file, and it downloads to folder/.

Notes

• Default host: 127.0.0.1

• Ports:

  • Secure: 53189
  • Unsecure: 56723

• Requires Python 3.x and pycryptodomex

19/05/2025