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X509RevocationMode Enumeration

Note: This enumeration is new in the .NET Framework version 2.0.

Specifies the mode used to check for X509 certificate revocation.

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

public enum X509RevocationMode
public enum X509RevocationMode
public enum X509RevocationMode

 Member nameDescription
NoCheckNo revocation check is performed on the certificate. 
OfflineA revocation check is made using a cached certificate revocation list (CRL). 
OnlineA revocation check is made using an online certificate revocation list (CRL). 

This enumeration is used to specify whether a revocation check occurs and if it is performed online or offline.

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.
X509Chain ch = new X509Chain();
ch.Build (certificate);
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 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 .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0

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