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X509Certificate.GetKeyAlgorithmParameters Method

Returns the key algorithm parameters for the X.509v3 certificate as an array of bytes.

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

'Declaration
Public Overridable Function GetKeyAlgorithmParameters As Byte()

Return Value

Type: System.Byte()
The key algorithm parameters for the X.509 certificate as an array of bytes.

ExceptionCondition
CryptographicException

The certificate context is invalid.

The following example uses the GetKeyAlgorithmParameters method to return a certificate's key algorithm parameters as an array of bytes 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 Byte() = cert.GetKeyAlgorithmParameters()

      ' Display the value to the console. 
      Dim b As Byte 
      For Each b In  results
         Console.Write(b)
      Next b
   End Sub   
End Class

.NET Framework

Supported in: 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 Silverlight 8.1, Windows Phone Silverlight 8

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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