Certificate Transparency in Chrome

This page describes how to observe Chrome's CT state for a secure site.
A new UI, showing detailed SCT information is available in Chrome's Developer Tools under the Security panel.


Detailed Signed Certificate Timestamp information

The exact Signed Certificate Timestamps Chrome sees and their validation status is available through Chrome's NetLog, accessible via chrome://net-internals.
The chrome NetLog should be opened before visiting a website. Then switch to the Events view from the drop-down and look for a 'SOCKET' event type.
Past the certificate chain, the SCTs received, their origin and validation status will show:



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