Certificate Transparency tools

Tools for working with Static CT log tiles.

Install

GOPRIVATE=git.ipng.ch go install git.ipng.ch/certificate-transparency/ctfetch/cmd/...@latest

Tools

ctfetch

Fetch and decode entries from a Static CT log as structured JSON.

ctfetch https://halloumi2026h1.mon.ct.ipng.ch 629794635 +all

→ Full documentation

ctail

Tail a Static CT log, printing a one-liner per new cert/precert as it arrives.

ctail https://halloumi2026h1.mon.ct.ipng.ch

→ Full documentation