Writing tagged: cryptography
- 2026-04-05
How to Read a TLS 1.3 Cipher Suite
A TLS 1.3 cipher suite names just two things: an AEAD cipher and a hash. How to read one, and where the key exchange and signature moved to.
- 2026-04-12
X.509 Certificate Chains: Path Building vs. Path Validation
Certificate chaining is two processes most writeups blur: path building assembles a candidate, path validation checks it. Built and broken with OpenSSL.