#tls

2 articles

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

Networks & the Internet

TLS: Encrypting the Web

Plaintext HTTP let anyone on the path read your passwords. TLS wraps the connection in encryption by using slow asymmetric crypto only to authenticate the server and agree a key, then switching to fast symmetric crypto for the data.

10 min read·Jul 14, 2026