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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