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X509Certificate.GetKeyAlgorithmParametersString Method

Returns the key algorithm parameters for the X.509v3 certificate as a hexadecimal string.

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

'Declaration
Public Overridable Function GetKeyAlgorithmParametersString As String

Return Value

Type: System.String
The key algorithm parameters for the X.509 certificate as a hexadecimal string.

ExceptionCondition
CryptographicException

The certificate context is invalid.

The following example uses the GetKeyAlgorithmParametersString method to return a certificate's key algorithm parameters in string format 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.GetKeyAlgorithmParametersString()

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

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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