← Cryptography

Cryptography Fundamentals

The building blocks — one-way functions, symmetric ciphers, hash functions, and MACs

Before public keys and zero-knowledge proofs come the primitives they’re built on.

1. One-Way Functions 8 min

2. Symmetric Encryption 8 min

3. Hash Functions 8 min

4. MACs and Authenticated Encryption 8 min

5. Public-Key Cryptography 9 min

6. Digital Signatures 8 min

7. The TLS Handshake 9 min

8. Cryptography Foundations Check quiz

9. Lab: Hash Functions in Practice 20 min lab