🔐 An Introduction to Cryptography – University of Leeds & Click Start

This repository contains notes, labs, cheatsheets, case studies, resources, and a certificate of completion for the
An Introduction to Cryptography course by University of Leeds & Click Start on FutureLearn.
The program covers symmetric and asymmetric encryption, hashing, digital signatures, cryptographic protocols, attacks, and real-world applications.

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📚 Notes

• 📄 01-introduction.md – Introduction to cryptography
• 📄 02-symmetric-encryption.md – Symmetric key cryptography
• 📄 03-asymmetric-encryption.md – Public key cryptography
• 📄 04-hashing-and-signatures.md – Hashing & digital signatures
• 📄 05-cryptographic-protocols.md – Secure protocols
• 📄 06-cryptographic-attacks.md – Common attacks on crypto
• 📄 07-real-world-applications.md – Applications in practice

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🧪 Labs

• 🔧 symmetric-encryption-lab.md – Hands-on with symmetric ciphers
• 🔧 rsa-encryption-lab.md – RSA key pair generation & encryption
• 🔧 hashing-lab.md – Hash functions & integrity checks
• 🔧 digital-signature-lab.md – Digital signatures

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📋 Cheatsheets

• 📘 symmetric-vs-asymmetric.md – Key differences
• 📘 common-algorithms.md – RSA, AES, DES, ECC, SHA
• 📘 applications.md – Cryptography in the real world
• 📘 attacks-on-crypto.md – Brute force, side-channel, chosen-plaintext
• 📘 best-practices.md – Security recommendations

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🔬 Extras

• 📑 case-studies.md – Famous cryptography use cases
• 📑 resources.md – Useful books & links
• 📆 timeline.md – Historical timeline of cryptography

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📖 Docs

• 📘 index.md – Course overview
• 📘 glossary.md – Cryptography terminology
• 📘 references.md – References & citations
• 📘 roadmap.md – Learning roadmap
• 📘 syllabus.md – Course syllabus

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📸 Screenshots

Step	Screenshot
📚 Week 1 – Intro
🔑 Week 1 – Symmetric
🔐 Week 1 – Asymmetric
📝 Week 2 – Hashing
✅ Week 2 – Applications

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📜 Certificate

🎓 Certificate of Achievement – An Introduction to Cryptography

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📝 Personal Review

This course provided me with a practical foundation in cryptography,
from understanding symmetric/asymmetric algorithms to real-world applications in security protocols.
The labs and cheatsheets were especially useful for hands-on practice and quick revision.

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✍️ Author

Thành Danh – Red Team Learner & Security Researcher

• GitHub: @ngvuthdanhh
• Email: ngvu.thdanh@gmail.com

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📄 License

This project is licensed under the terms of the MIT License. See LICENSE for full details.
© 2025 ngvuthdanhh. All rights reserved.