Libraries Used in Secure P2P Chat

PyNaCl (libsodium)

High-level cryptography library based on libsodium.

• Protection of sensitive memory
• Secure data wiping in RAM
• Modern and secure cryptographic functions

PySpx (SPHINCS+)

Implementation of SPHINCS+, a post-quantum digital signature system.

• Quantum-resistant digital signatures
• Message integrity verification
• Secure peer authentication

Kademlia

Implementation of the Kademlia DHT (Distributed Hash Table) protocol.

• Decentralized P2P routing
• Automatic peer discovery
• Distributed key storage

PySocks

Support for SOCKS4, SOCKS5, and HTTP proxy connections.

• Tor network integration
• Anonymous traffic routing
• SOCKS proxy support

aiohttp

Asynchronous HTTP client/server framework.

• HTTP server for health checks
• Asynchronous connection handling
• REST API for monitoring

Zstandard (zstd)

High-performance real-time compression algorithm.

• Efficient message compression
• Bandwidth usage reduction
• Fast and reliable decompression

Tkinter

Python's standard GUI framework.

• Cross-platform graphical interface
• Native operating system widgets
• UI event handling

asyncio

Library for asynchronous programming in Python.

• Concurrent connection handling
• Non-blocking I/O event loop
• Coroutines for parallel operations

logging

Python's standard logging system.

• Structured event logging
• Multiple verbosity levels
• Automatic log rotation

Tor

Tor client for anonymous communication.

• Onion routing for anonymity
• Hidden services (.onion)
• Multi-layer encryption