amri-tah / secure-file-transfer

Python-based system using Fernet encryption and Merkle trees for secure and reliable file exchange. 🔐

Secure File Transfer System with Merkle Tree

This repository contains a secure file transfer system implemented in Python, providing a reliable and encrypted method for uploading, downloading, and displaying files between a client and server. The system incorporates Fernet symmetric encryption for secure data transmission and uses Merkle trees for integrity verification.

Features

• Secure Communication:

  • Utilizes sockets for reliable communication between the client and server.
  • Implements Fernet symmetric encryption to secure file data during transmission.

• Merkle Tree Integrity Verification:

  • Breaks files into chunks and constructs a Merkle tree to verify data integrity.
  • Ensures files are transferred without corruption or loss.

• User-Friendly Interface with Streamlit:

  • A Streamlit web application provides an intuitive interface for users.
  • Supports file upload, download, and file listing functionalities.

• Logging and Error Handling:

  • Implements logging for better traceability and debugging.
  • Error handling to manage unexpected scenarios.

Repository Structure

• client.py: Client-side implementation, including functions for file upload, download, and displaying available files.

• server.py: Server-side implementation, managing client connections, handling file transfers, and implementing Merkle tree verification.

• logs.csv: Log file storing important events, timestamps, and the status of file transfers.

• requirements.txt: Lists necessary dependencies for running the system.

How to Use

1. Clone the repository to your local machine.

   git clone https://github.com/amri-tah/Secure-File-Transfer.git

2. Install the required dependencies.

   pip install -r requirements.txt

3. Run the server script on the server.

   python server.py

4. Open the Streamlit web application on the client side.

   python client.py

Interact with the system through the web interface to securely upload, download, and display files.

Screenshots

Show Files in Server:

Upload Files to Server:

Download Files from Server:

secure-file-transfer's Issues

upload app ui