Make ssl engine default
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLENGINE_DEFAULT, long val);
Pass a long set to 1 as parameter. Sets the actual crypto engine as the default for (asymmetric) crypto operations.
If the crypto device cannot be set, CURLE_SSL_ENGINE_SETFAILED is returned.
All TLS based protocols: HTTPS, FTPS, IMAPS, POP3, SMTPS etc.
If built TLS enabled.
Returns CURLE_OK if TLS is supported, CURLE_UNKNOWN_OPTION if not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.