d where a state is specific to the DTLS protocol. Otherwise TLS is used.</p>

<p><b>role</b> is one of CR, CW, SR or SW to indicate &quot;client reading&quot;, &quot;client writing&quot;, &quot;server reading&quot; or &quot;server writing&quot; respectively.</p>

<p><b>message</b> is the name of a handshake message that is being or has been sent, or is being or has been processed.</p>

<p>Additionally there are some special states that do not conform to the above format. These are:</p>

<dl>

<dt id="TLS_ST