lowing list: openssl, mscrypto, nss, gnutls, gcrypt (if no crypto engine is specified then the default one is used) </dd>
</dd>
<dt> <b>--crypto-config</b> &lt;path&gt; <dt></dt>
</dt>
<dd> <dd>path to crypto engine configuration </dd>
</dd>
<dt> <b>--verbose</b> <dt></dt>
</dt>
<dd> <dd>print detailed error messages </dd>
</dd>
<dt> <b>--repeat</b> &lt;number&gt; <dt></dt>
</dt>
<dd> <dd>repeat the operation &lt;number&gt; times </dd>
</dd>
<dt> <b>--base64-line-size</b> &lt;size&gt; <dt></dt>
</dt>
<dd> <