X509Certificate.CreateFromCertFile Method

Creates an X.509v3 certificate from the specified certification file.

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

public static X509Certificate CreateFromCertFile (
	string filename
)
public static X509Certificate CreateFromCertFile (
	String filename
)
public static function CreateFromCertFile (
	filename : String
) : X509Certificate
Not applicable.

Parameters

filename

The path of the certification file from which to create the X.509 certificate.

Return Value

The newly created X.509 certificate.

Exception typeCondition

ArgumentException

The filename parameter is a null reference (Nothing in Visual Basic).

ASN.1 DER is the only certificate format supported by this class.

The following example creates an X509Certificate from a specified certification file.


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 resultsTrue = cert.ToString(true);
       
        // Display the value to the console.
        Console.WriteLine(resultsTrue);

        // Get the value.
        string resultsFalse = cert.ToString(false);
       
        // Display the value to the console.
        Console.WriteLine(resultsFalse);
  
    }

}

import System.*;
import System.Security.Cryptography.X509Certificates.*;

public class X509
{
    public static void main(String[] args)
    {
        // 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 resultsTrue = cert.ToString(true);

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

        // Get the value.
        String resultsFalse = cert.ToString(false);

        // Display the value to the console.
        Console.WriteLine(resultsFalse);
    } //main 
} //X509

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

Community Additions

ADD
Show: