 when the factory is not needed anymore, that is when all associated DSP instances have been properly destroyed</li>
<li>a unique SHA1 key of the created factory can be obtained using its <code>getSHAKey</code> method</li>
</ul>
<h4 id="savingrestoring-the-factory">Saving/restoring the factory</h4>
<p>After the DSP factory has been compiled, the application or the plugin running it might need to save it and then restore it. To get the internal factory compiled code, several functions are available:</p>
<ul>