or is not currently valid.</p>

</dd>
<dt id="CU-certificate-unknown">&quot;CU&quot;/&quot;certificate unknown&quot;</dt>
<dd>

<p>Some other (unspecified) issue arose in processing the certificate, rendering it unacceptable.</p>

</dd>
<dt id="IP-illegal-parameter">&quot;IP&quot;/&quot;illegal parameter&quot;</dt>
<dd>

<p>A field in the handshake was out of range or inconsistent with other fields. This is always fatal.</p>

</dd>
<dt id="DC-decryption-failed">&quot;DC&quot;/&quot;decryption failed&quot;</