HttpRequest.ClientCertificate Property

Gets the current request's client security certificate.

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

public HttpClientCertificate ClientCertificate { get; }

Property Value

Type: System.Web.HttpClientCertificate
An HttpClientCertificate object containing information about the client's security certificate settings.

The following code example sends the client's certificate settings back to the client in an HTML page.


HttpClientCertificate cs = Request.ClientCertificate;

Response.Write("ClientCertificate Settings:<br>");
Response.Write("Certificate = " + cs.Certificate + "<br>");
Response.Write("Cookie = " + cs.Cookie + "<br>");
Response.Write("Flags = " + cs.Flags + "<br>");
Response.Write("IsPresent = " + cs.IsPresent + "<br>");
Response.Write("Issuer = " + cs.Issuer + "<br>");
Response.Write("IsValid = " + cs.IsValid + "<br>");
Response.Write("KeySize = " + cs.KeySize + "<br>");
Response.Write("SecretKeySize = " + cs.SecretKeySize + "<br>");
Response.Write("SerialNumber = " + cs.SerialNumber + "<br>");
Response.Write("ServerIssuer = " + cs.ServerIssuer + "<br>");
Response.Write("ServerSubject = " + cs.ServerSubject + "<br>");
Response.Write("Subject = " + cs.Subject + "<br>");
Response.Write("ValidFrom = " + cs.ValidFrom + "<br>");
Response.Write("ValidUntil = " + cs.ValidUntil + "<br>");
Response.Write("What's this = " + cs.ToString() + "<br>");
 


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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