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🔐 PKI Related Posts

  • Certificate Checking Tool

    Certificate Checking Tool

    Enter the Certificate Checking Tool! More and more communications are becoming secured with certificates issued from a Public/Private Key Infrastructure. The challenge is that certificates and more importantly, their expiry tends to not be tracked. Why is this a problem? When a certificate expires and it’s not properly documented in the applications architecture, it’s really Read more

  • Signing PowerShell Scripts from company PKI

    Signing PowerShell Scripts from company PKI

    Introduction By default a PowerShell script is not signed. What does this mean? Unless there’s a policy that allows unsigned scripts to run/execute, it’s going to fail. Microsoft uses “Code Signing” certificates to get around this. The PowerShell script is stamped with a signed certificate (issued from a trusted authority). Risks Now there are some Read more

  • Speedy editing of CRL and AIA configurations on Microsoft Subordinate Certificate Authority Servers

    If you’re like me, finding ways to quickly edit things is far more preferable than trying to edit content within an interface that hasn’t been updated in a (very) long time. In this particular example, I’m going to show you how to edit the Certificate Revocation List (CRL) and Authority Information Access (AIA) information on Read more

  • AIA Option Numbers and %Variables – What do they mean?

    What do these %Variables and option numbers mean? Not sure what I’m talking about? Take a look at the screenshot below: How are these values determined? Well for AIA’s, the values are based off the table below: Option Number Description 0 No Options Defined 1 Automatically Publish CA Certificate to this location 2 Include in Read more

  • CRL Option Numbers and %Variables – What do they mean?

    Wanting to to find a quick way to edit the CRL and AIA fields on a Microsoft Subordinate Certificate Authority? When editing the content through the registry there are some values that need to be calculated. These values are the numbers that prefix the actual line entry: How are these values determined? Well for CRL’s, Read more