Certificate Transparency Certificate Transparency

When I found that I was using Google Chrome to access HTTPS URLs today, I clicked on a small lock-->> connection-->> A server did not provide any certificate transparency information? Only Google browser has this hint, other browsers do not have this hint! What is certificate transparency certificate Transparency?

Certificate Transparency Certificate Transparency is a Google push to ensure the security of the certificate system transparent review technology, only the support of CT technology issued by the EV SSL certificate, Google Browser will display the green unit name, or the Chrome browser does not display the green unit name.

Certificate transparency is a new specification for Google to reduce the malicious issue of unauthorized certificates, the CA created a "pre-certificate" and sent it to a Google Certified Log server (log server), log server to the pre-visa return a " The Visa book Timestamp "(Signed Certificate Timestamp) to the CA, known as STC data, is embedded in a formally issued certificate or deployed to a Web server via TLS mode. Simply put: It is a white list of legitimate issued certificates, Google browser when verifying the certificate will also go to see if the certificate is in the whitelist. If not, the green unit name is not displayed, and the certificate transparency information is not displayed.

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Certificate transparency, like many other behaviors or industry transparency, helps build user confidence, ensures that site visitors are not harmed by malicious or faulty SSL certificates, brings more traffic and revenue to the site, enhances online user trust, and facilitates more online orders. Welcome to contact us to purchase an EV SSL certificate that supports Google Certificate Transparency certificate transparency.

Certificate Transparency Certificate Transparency