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

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

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.

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

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

Asymmetric encryption algorithms and protocols

A modular cryptography engine implementing an optimized ElGamal pipeline with large-prime generation, block-level file encryption, and multithreaded acceleration. Demonstrates practical skills in number theory, security engineering, performance optimization, and high-throughput Python system design

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

Showcasing confidential document workflows and cryptographic traceability in Industry 5.0, organized as a hands-on IEEE Student Branch workshop for engineering students.

Encrypt and decrypt messages using RSA.

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.

Implementation of Various Asymmetric Crypto systems in pure python.

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.

CryptoGuard Keys is a professional desktop application for secure generation, management, and analysis of cryptographic key pairs.

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.

my own asymmetric key testing

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