ey are not specified (no additional certificate and key is used). As noted above some cipher suites require a certificate containing a key of a certain type. Some cipher suites need a certificate carrying an RSA key and some a DSS (DSA) key. By using RSA and DSS certificates and keys a server can support clients which only support RSA or DSS cipher suites by using an appropriate certificate.</p>

</dd>
<dt id="dcert_chain"><b>-dcert_chain</b></dt>
<dd>

<p>A file or URI of untrusted certificates to use when