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X509RevocationFlag Enumeration

Specifies which X509 certificates in the chain should be checked for revocation.

Namespace: System.Security.Cryptography.X509Certificates
Assembly: System (in system.dll)

Public Enumeration X509RevocationFlag
Dim instance As X509RevocationFlag

public enum X509RevocationFlag
public enum X509RevocationFlag

 Member nameDescription
EndCertificateOnlyOnly the end certificate is checked for revocation. 
EntireChainThe entire chain of certificates is checked for revocation. 
ExcludeRootThe entire chain, except the root certificate, is checked for revocation. 

Use this enumeration to specify which certificates in the chain are checked for revocation.

The following example opens the current user's personal certificate store, allows the user to select a certificate, then writes certificate and certificate chain information to the console. The output depends on the certificate you select.

'Output chain information of the selected certificate.
Dim ch As New X509Chain()
Console.WriteLine("Chain Information")
ch.ChainPolicy.RevocationMode = X509RevocationMode.Online
Console.WriteLine("Chain revocation flag: {0}", ch.ChainPolicy.RevocationFlag)
Console.WriteLine("Chain revocation mode: {0}", ch.ChainPolicy.RevocationMode)
Console.WriteLine("Chain verification flag: {0}", ch.ChainPolicy.VerificationFlags)
Console.WriteLine("Chain verification time: {0}", ch.ChainPolicy.VerificationTime)
Console.WriteLine("Chain status length: {0}", ch.ChainStatus.Length)
Console.WriteLine("Chain application policy count: {0}", ch.ChainPolicy.ApplicationPolicy.Count)
Console.WriteLine("Chain certificate policy count: {0} {1}", ch.ChainPolicy.CertificatePolicy.Count, Environment.NewLine)

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0