Certificates contain useful metadata including the public key, domain name, signature, etc. However, the private key can be leaked which causes the certificate to be invalid/dangerous to keep around. In that particular situation, we need a mechanism to revoke certificates and that is what I’m going to discuss in this show.

0:00 Intro

0:30 Why Certificates

12:00 Certificates can go bad

14:50 Certificate Revocation Lists (CRLs)

18:30 OCSP (Online Certificate Status Protocol)

20:40 OCSP Stapling

24:30 Best certificates are short

26:30 Summary

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