Certificate Revocation is a process through which we make sure that those certificates that are not considered valid are not used by relying parties.

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Specify port for cRLDistributionPoint?

cRLDistributionPoints is OID 2.5.29.31. Here's what one looks like under Gutmann's dumpasn1: SEQUENCE { OBJECT IDENTIFIER cRLDistributionPoints (2 5 29 31) OCTET STRING, encapsulates { ...
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Cetificate Pinning. How do we handle the situation where a website is visited for the first time?

What I essentially mean to ask is, how is the scenario where a user who visits a website for the first time (the certificate for the website is not pinned in the browser) handled ? Additionally how is ...
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How to test rootCA for issue subCA certificate

Can I check rootCA for issue subCA test certificate before issue real subCA cert? If rootCA issue test certificate and revoke immediately, then all operation log is recorded. Do this compliance with ...
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How to generate “CRL numbers” for X.509 CRL

(Context: I'm working a process to publish a CRL periodically -- eg once every day.) With standard X.509 certificates, "serial numbers" are required to be positive integers, but they do not need to ...
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Do any certificate revocation schemes revoke certificates issued before a certain date?

In the case of a large number of certificates needing to be revoked, the certificate revocation list may get quite long. This could be difficult to distribute over low bandwidth connections or to ...