Revoked Certificates - Revoked Certificates

Revoked Certificates - CRL and OCSP

Q

What are CRL (Certificate Revocation List) and OCSP (Online Certificate Status Protocol)? I want to know how to determine if an X.509 digital certificate has been revoked or not.

✍: FYIcenter.com

A

Here is a collection of tutorials on CRL (Certificate Revocation List) and OCSP (Online Certificate Status Protocol) compiled by FYIcenter.com team.

OCSP (Online Certificate Status Protocol)

What Is OCSP (Online Certificate Status Protocol)

Find OCSP Server URL of Certificate CA

8gwifi.org OCSP Test Tool

CRL (Certificate Revocation List)

What Is CRL (Certificate Revocation List)

Retrieve CRL File from Certificate CA

Open and View CRL File

CRL File Format and Fields

Certificate Revocation Reason Codes

Examples of Revoked Certificates

DigiNotar Fraudulent Certificates

"Hosted by GTI Group Corporation" Certificates

Other Examples of Revoked Certificates

⇒ OCSP (Online Certificate Status Protocol)

2019-07-19, 5019👍, 0💬

CRL (Certificate Revocation List)
Where to find answers to frequently asked questions on CRL (Certificate Revocation List)? Here is a collection of tutorials on CRL (Certificate Revocation List) compiled by FYIcenter.com team. What Is CRL (Certificate Revocation List) Retrieve CRL File from Certificate CA Open and View CRL File CRL ... 2016-11-06, 1668👍, 2💬

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What Is CRL (Certificate Revocation List)
What is CRL (Certificate Revocation List)? A CRL (Certificate Revocation List) is a digitally signed file containing a list of revoked X.509 digital certificates. After a CA (Certificate Authority) has issued a digital certificate for a public key of a given entity, it may decide to revoke this cert... 2019-07-19, 1468👍, 0💬

"DigiNotar Root CA" Not Trusted in Firefox
Why "DigiNotar Root CA" certificate is shown as "not trusted" in Firefox? It seems be a root CA. "DigiNotar Root CA" used be a trusted root CA. But as of September 2011, it's root CA status has been revoked due to a security breach that resulted in the fraudulent issuing of certificates by hackers. ... 2019-07-19, 1465👍, 0💬

5 Certificate Categories in Firefox
What are different categories of certificates in Firefox? I see Firefox lists certificates in 5 categories on Certificate Manager. Firefox stores certificates in 5 categories. You can see them listed on 5 tabs on the Certificate Manager: 1. Run Firefox and go to "Tools > Options" menu. 2. Cli... 2016-08-30, 1055👍, 0💬

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