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Quantum Key Distribution Library (QKDpy)
About this work
QKDpy is an open-source Python library designed to make Quantum Key Distribution (QKD) protocols more accessible for learning, experimentation, and research. The project provides a modular framework for simulating widely studied quantum communication protocols, allowing users to explore secure key exchange concepts through a clean and extensible Python interface.
The library implements protocols including BB84, E91, and Continuous Variable QKD (CV-QKD) while providing reusable abstractions for protocol execution, channel simulation, and experimentation. It was built with a strong focus on software quality, featuring automated testing, versioned releases, and an architecture that supports future protocol extensions.
Published on PyPI, QKDpy enables students, researchers, and developers to experiment with quantum cryptography concepts without having to build the underlying infrastructure from scratch. The project reflects both software engineering best practices and an interest in emerging technologies such as quantum communication and secure distributed systems.
Key Highlights
• Developed a modular Python library for Quantum Key Distribution simulations
• Implemented BB84, E91, and Continuous Variable QKD protocols
• Published the library on PyPI with multiple maintained releases
• Built comprehensive automated tests to improve reliability and maintainability
• Designed an extensible architecture for future protocol development and experimentation
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