X509Certificate.GetSerialNumberString Method ()

 

Returns the serial number of the X.509v3 certificate as a hexadecimal string.

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

public virtual string GetSerialNumberString()

Return Value

Type: System.String

The serial number of the X.509 certificate as a hexadecimal string.

The following example uses the GetSerialNumberString method to return a certificate's serial number as a string and displays it to the console.


using System;
using System.Security.Cryptography.X509Certificates;


public class X509
{

    public static void Main()
    {

        // The path to the certificate.
        string Certificate =  "Certificate.cer";

        // Load the certificate into an X509Certificate object.
        X509Certificate cert = X509Certificate.CreateFromCertFile(Certificate);

        // Get the value.
        string results = cert.GetSerialNumberString();

        // Display the value to the console.
        Console.WriteLine(results);



    }

}

.NET Framework
Available since 1.1
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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