#cryptography

2 articles

Public-Key Cryptography

One-way functions let two people who have never met build a shared key in the open — and the same asymmetry that protects the key is what a quantum computer would dismantle.

10 min read·Jul 18, 2026

Networks & the Internet

Certificates and the Chain of Trust

TLS hands your browser a public key and says 'encrypt to me' — but anyone can generate a key. Certificates and a chain of signatures reaching back to a short list of preinstalled authorities are what tie that key to a real identity.

10 min read·Jul 16, 2026