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X509Certificate.GetIssuerName Method

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)

'Declaration
<ObsoleteAttribute("This method has been deprecated.  Please use the Issuer property instead.  http://go.microsoft.com/fwlink/?linkid=14202")> _
Public Overridable Function GetIssuerName As String
'Usage
Dim instance As X509Certificate 
Dim returnValue As String 

returnValue = instance.GetIssuerName()

Return Value

Type: System.String
The name of the certification authority that issued the X.509 certificate.

ExceptionCondition
CryptographicException

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.

Imports System
Imports System.Security.Cryptography.X509Certificates




Public Class X509


   Public Shared Sub Main()

      ' The path to the certificate. 
      Dim Certificate As String = "Certificate.cer" 

      ' Load the certificate into an X509Certificate object. 
      Dim cert As X509Certificate = X509Certificate.CreateFromCertFile(Certificate)

      ' Get the value. 
      Dim results As String = cert.GetIssuerName()

      ' Display the value to the console.
      Console.WriteLine(results)
   End Sub   
End Class

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

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

.NET Framework

Supported in: 1.1, 1.0
Obsolete (compiler warning) in 3.5
Obsolete (compiler warning) in 3.5 SP1
Obsolete (compiler warning) in 3.0
Obsolete (compiler warning) in 3.0 SP1
Obsolete (compiler warning) in 3.0 SP2
Obsolete (compiler warning) in 2.0
Obsolete (compiler warning) in 2.0 SP1
Obsolete (compiler warning) in 2.0 SP2

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

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