What is OCSP (Online Certificate Status Protocol)?

The Online Certificate Status Protocol (OCSP) is the Internet protocol used by web browsers to determine the revocation status of SSL/TLS certificates supplied by HTTPS websites. While SSL/TLS certificates are always issued with an expiration date, there are certain circumstances in which a certificate must be » Continue Reading.

Glossary of PKI Terms

Affiliate: A corporation, partnership, joint venture or other entity controlling, controlled by, or under common control with another entity, or an agency, department, political subdivision, or any entity operating under the direct control of a Government Entity. American Institute of Certified Public Accountants (AICPA): AICPA » Continue Reading.

How Do I Install a Certificate?

This page includes lists of all SSL.com how-to articles covering certificate installation on various platforms.  If you have any questions or need additional information about generating your CSR, please contact us at support@ssl.com, call 1-877-SSL-SECURE, or just click the chat link at the bottom right of this page. SSL/TLS » Continue Reading.

Questions about Certificate Transparency

What is Certificate Transparency? Certificate Transparency (CT) is a project started by Google, aiming to eliminate various structural flaws in the SSL certificate system. CT allows anyone to detect SSL certificates that have been mistakenly issued by a Certificate Authority (CA), or maliciously acquired from » Continue Reading.