C# .net 6.0 ChainPolicy.Build allows a CRL with a not before date in the future to pass

Richard Turbeville 1

There is a test in the Fault Bridge Test stack for the FIPS 201/Ficam Testing program that has a certificate chain that includes one with a CRL with a not before date in the future.

ChainPolicy.Build is allowing this to pass when it shouldn't.

How can I fix this?

Thanks

Jack J Jun 24,611 Reputation points Microsoft Vendor

2022-04-28T06:05:57.587+00:00

@Richard Turbeville , Welcome to Microsoft Q&A, What is your kind of your certificate? Do you use the X509Chain.Build(X509Certificate2) Method?
Richard Turbeville 1 Reputation point

2022-04-28T11:45:53.357+00:00

Hi,

Yes, I am using the X509Chain.Build method.

Not sure exactly what you mean about "kind of your certificate". The certificates I am verifying are off of the FICAM test cards used for the FIPS 201/Ficam Testing.

In this particular test there is a chain of test certificates one of which has a CRL that has a not before date in the future. The chain build allows this to pass when it appears it should not.

There is not enough allowable characters to include a sample certificate or chain in a reply. If there is a way to get them to you I would be happy to send them.

Thanks.

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C# .net 6.0 ChainPolicy.Build allows a CRL with a not before date in the future to pass

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