ers may either be &quot;built-in&quot; or in the form of a separate loadable module file (typically one ending in &quot;.so&quot; or &quot;.dll&quot; dependent on the platform). A built-in provider is one that is either already present in <code>libcrypto</code> or one that the application has supplied itself directly. Third parties can also supply providers in the form of loadable modules.</p>

<p>If you don&#39;t load a provider explicitly (either in program code or via config) then the OpenSSL built-in &q