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POC# client authenticate 2 Certificates?
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copied!<p>I live in Israel , Google also has <code>google.co.il</code>.</p> <p>I created a webrequest to <strong>google.com</strong> ( And I want to connect <em>only</em> to google.com !)</p> <p>But in the <code>ServerCertificateValidationCallback</code> function , it seems I'm getting <em>2</em> certificates .</p> <p>Here is the code : </p> <pre><code>ServicePointManager.ServerCertificateValidationCallback = (sender, certificate, chain, policyError) => { var subject = ((X509Certificate2)certificate).GetName(); Console.WriteLine(subject); // return true; return XXX==YYY; // ????the 2'nd question is about this line }; WebRequest oRequest; WebResponse oResponse; oRequest = WebRequest.Create("https://www.google.com/"); oResponse = oRequest.GetResponse(); </code></pre> <p>the result for the code (when <code>return true</code> ) is <em>enabled</em> is : </p> <pre><code>C=US, S=California, L=Mountain View, O=Google Inc, CN=www.google.com C=US, S=California, L=Mountain View, O=Google Inc, CN=*.google.co.il </code></pre> <p>But Im facing a problem : </p> <p>Now that it emits 2 certificates :</p> <ol> <li><p>Why do I get 2 certifictes ? </p></li> <li><p>which value should be in "<code>XXX</code>" and which value whould be in "<code>YYY</code>" ?</p> <p>( I mean , should I equate <code>CN</code> or <code>O</code> or <em>_</em>_ to the corresponding Google's value ?</p> <p>and what if I get (firstly) the google.com certificate (which is the desired) , and later I get the google.co.il certificate ( which is <em>not</em> desired) ? </p></li> </ol>

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