     the handshake. This call always returns immediately. The asynchronous
            operation will continue until one of the following conditions is true:
          </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
                The request is received and the response is sent.
              </li>
<li class="listitem">
                An error occurs.
              </li>
</ul></div>
<p>
            The algorithm, known as a <span class="empha