I have to retrieve X509Certificate2 from the currently inserted SmartCard for passing Client Credentials in an https Connection to and digitally signing message.
I try:

            CryptokiCollection template = new CryptokiCollection();

            template.Clear();

            template.Add(new ObjectAttribute(ObjectAttribute.CKA_CLASS, Storage.CKO_CERTIFICATE));
            template.Add(new ObjectAttribute(ObjectAttribute.CKA_CERTIFICATE_TYPE, Certificate.CKC_X_509));

            // Launchs the search specifying the template just created
            CryptokiCollection objects = session.Objects.Find(template, 10);

            //Cryptware.NCryptoki.X509Certificate cert;

            foreach (Object obj in objects)
            {
                X509Certificate2 cert2 = Utils.ConvertCertificate((Cryptware.NCryptoki.X509Certificate)obj);
                Utils.ShowCertificate(cert2);
                MessageBox.Show(cert2.HasPrivateKey.ToString());
            }

but HasPrivateKey is always FALSE.
When I install certificate in Windows store and read them, HasPrivateKey is True and I can use this to
create X509SecurityToken (WSE3.0).

How can I retrieve X509Certificate2 with PrivateKey from SmartCard ?

Thanks for your help,