title: How to compare certificate thumbprint
body: <p>I use the following code to get certificate (x.509) from file upload,
  how should I compare this certificate ,i.e. I need to get the certificate thumbprint or something to compare it with other certificate and see if they are equal,
  how should I do that ?</p>
  
  <pre><code>HttpPostedFileBase myFile = Request.Files[FileName];
  byte[] cerFile = SecurityHelper.GetFileBinary(myFile);
  </code></pre>