certificates are stored. The default is platform specific and can be
	    set at compile time. This can be overridden via the <b>SSL_CERT_DIR</b>
	    environment variable.</dd>
	<dt><strong>-cafile </strong><em>filename</em></dt>
	<dd>Specifies the file with the Certificate Authority (CA) certificates
	    to use. The default is <b>cert.pem</b>, in the OpenSSL directory. This can
	    also be overridden via the <b>SSL_CERT_FILE</b> environment variable.</dd>
	<dt><strong>-castore</strong> <em>URI</em></dt>
	<dd>URI for a store, which may be a single container or a catalog of
	    containers. On Windows, set to "org.openssl.winstore://" to use the
	    built-in Windows Cert Store. The Windows cert store only supports
	    root certificate stores.</dd>
	<dt><strong>-certfile</strong> <em>filename</em></dt>
	<dd>Specifies the file with the certificate to use in PEM format.
	    This also contains the public key.</dd>
	<dt><strong>-cert</strong> <em>binary_string</em></dt>
	<dd>Specifies the certificate to use as a DER encoded string (X.509 DER).</dd>
	<dt><strong>-cipher</strong> <em>string</em></dt>
	<dd>Specifies the list of ciphers to use for TLS 1.2 and earlier. String is a