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The Diffie-Hellman key exchange stands as one of the most revolutionary breakthroughs in modern cryptography, fundamentally changing how secure communications are established across insecure networks.
DSA was the U.S. government's answer to a simple question: how do you prove a message came from you, without RSA's patent? Learn how the Digital Signature Algorithm works, and why a single reused number sank Sony's PS3 security.
What if you could add two numbers together without ever decrypting them? Paillier encryption makes that possible — the mathematical trick behind private vote tallying and secure multi-party computation.
RSA is the algorithm that made public-key cryptography practical for the world. This comprehensive guide explores how RSA works, why it's secure, where it's used, and where it's headed as quantum computing looms.
Schnorr signatures are what DSA might have been if a 20-year patent hadn't gotten in the way. Simpler, provably secure, and now at the heart of Bitcoin's Taproot upgrade — here's how they work.
