Encrypt/Decrypt Symmetrically/Asymmetrically files with Integrity verification using signature

Python public-key encryption / decryption (simple RSA implementation example)

A menu app using python that allows you to make a 2-factor authentication + hashing ,encryption, encoding of a message + chatroom with rsa

Send and receive encrypted messages between IoT devices

Asymmetric encryption algorithms and protocols

"A collection of implemented symmetric and asymmetric cryptographic algorithms."

Auction Manager: a blockchain-based management system for multiple auction types.

Encrypt and decrypt messages using RSA.

An another Python implementation of HPKE (Hybrid Public Key Encryption)

This repository provides a comprehensive guide to cryptography fundamentals and practical applications. It includes examples of symmetric encryption (AES), asymmetric encryption (RSA), digital signatures, and common cryptographic combinations. All code examples are available in Python.

Lab Exercises about asymmetric encryption with RSA & Diffie-Hellman.

🔐 Explore cryptography fundamentals, including encryption, hashing, and digital signatures, through hands-on practice and clear concepts for beginners.

Cryptographic algorithms written (mostly) from scratch for educational purposes.

Trabajo final de la asignatura Programación de Servicios y Procesos. El conocido juego El Precio Justo desde un entorno cliente-servidor con gestión de hilos simultáneos en el servidor y encriptación asimétrica.

Asymmetric encryption, email spoofing, mitm attacks

TokenVault is a lightweight, serverless authentication solution that stores encrypted user tokens in a single file with asymmetric encryption. It's designed for developers who need secure user management without the complexity and cost of traditional identity providers.

Implementation of Various Asymmetric Crypto systems in pure python.