HttpClientCertificate Class

Provides the client certificate fields issued by the client in response to the server's request for the client's identity.

Namespace: System.Web
Assembly: System.Web (in system.web.dll)

public class HttpClientCertificate : NameValueCollection
public class HttpClientCertificate extends NameValueCollection
public class HttpClientCertificate extends NameValueCollection
Not applicable.

If a Web browser uses the SSL3.0/PCT1 protocol (the URL begins with https:// instead of http://) to connect to a server and the server requires client certificates, the browser sends the client certificate fields contained in its digital certificate.

For more information on digital certificates, see the document X.509: Public-key and attribute certificate frameworks, available on the International Telecommunication Union (ITU) site at

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 Server 2000 SP4, 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, 1.1, 1.0

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