Export (0) Print
Expand All

X509EnhancedKeyUsageExtension Class

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

Defines the collection of object identifiers (OIDs) that indicates the applications that use the key. This class cannot be inherited.

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

public sealed class X509EnhancedKeyUsageExtension : X509Extension
public final class X509EnhancedKeyUsageExtension extends X509Extension
public final class X509EnhancedKeyUsageExtension extends X509Extension

An enhanced key usage (EKU) extension is a collection of object identifiers (OIDs) that indicate the applications that use the key.

The following code example demonstrates how to open a user’s personal certificate store and display information about each certificate in the store. This example uses the X509EnhancedKeyUsageExtension class to display the information.

System.Object
   System.Security.Cryptography.AsnEncodedData
     System.Security.Cryptography.X509Certificates.X509Extension
      System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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

Community Additions

ADD
Show:
© 2014 Microsoft