mborov@o2.pl (borovA) wrote in message news:<18ace4c6.0310020842.156527da@posting.google.com>...
> I am trying to access an Web. The problem is that they
> expect the client to submit a certificate. I can access the site from
> my browser, but it always asks which certificate I want to use. How
> can I do this in my code.
>
> So far I can get the certificate. It's properly
> formatted, and I can instantiate a X509Certificate object
> with it. But I can't figure out how to add it to the Root
> store, so it is trusted. Even if I add it to the Root
> with IE, I still get the "The underlying connection was
> closed: Could not establish trust relationship with remote
> server." error message, when I connect to the HTTPS
> resource via C#.
>
> here is my code:
>
> using System;
> using System.IO;
> using System.Net;
> using System.Security.Cryptography.X509Certificates;
>
> public class CertPolicy : ICertificatePolicy
> {
> public bool CheckValidationResult(ServicePoint sp, X509Certificate cert,
> WebRequest request, int problem)
> {
> return true;
> }
> }
>
> public class CertTest
> {
>
> public static void Main()
> {
> try
> {
> HttpWebRequest objRequest =
> (HttpWebRequest)WebRequest.Create("https://myweb/");
> objRequest.Method = "POST";
> X509Certificate myCert =
> X509Certificate.CreateFromCertFile(@"d:\a\cert.der");
> X509CertificateCollection x509 = objRequest.ClientCertificates;
> x509.Add (myCert);
> objRequest.ClientCertificates.Add(myCert);
> ServicePointManager.CertificatePolicy = new CertPolicy();
>
> HttpWebResponse objResponse = (HttpWebResponse)objRequest.GetResponse();
> }
> catch( Exception e )
> {
> Console.WriteLine( e.ToString() );
> }
> }
> }

>
>