X509Certificate.GetIssuerName Method ()


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obsoleteCodeEntityP:System.Security.Cryptography.X509Certificates.X509Certificate.Issuer Note: This API is now obsolete.

Returns the name of the certification authority that issued the X.509v3 certificate.

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

[ObsoleteAttribute("This method has been deprecated.  Please use the Issuer property instead.  http://go.microsoft.com/fwlink/?linkid=14202")]
public virtual string GetIssuerName()

Return Value

Type: System.String

The name of the certification authority that issued the X.509 certificate.

Exception Condition

An error with the certificate occurs. For example:

  • The certificate file does not exist.

  • The certificate is invalid.

  • The certificate's password is incorrect.

The following example uses the GetIssuerName method to return the certificate issuer's name 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.GetIssuerName();

        // Display the value to the console.



.NET Framework
Available since 1.1
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