CURLOPT_SSLENGINE(3)       curl_easy_setopt options       CURLOPT_SSLENGINE(3)

NAME
       CURLOPT_SSLENGINE - set SSL engine identifier

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLENGINE, char *id);

DESCRIPTION
       Pass  a  pointer  to  a zero terminated string as parameter. It will be
       used as the identifier for the crypto engine you want to use  for  your
       private key.

       The  application  does not have to keep the string around after setting
       this option.

DEFAULT
       NULL

PROTOCOLS
       All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.

EXAMPLE
       TODO

AVAILABILITY
       Only if the SSL backend is OpenSSL built with engine support.

RETURN VALUE
       CURLE_OK - Engine found.

       CURLE_SSL_ENGINE_NOTFOUND - Engine not found, or OpenSSL was not  built
       with engine support.

       CURLE_SSL_ENGINE_INITFAILED - Engine found but initialization failed.

       CURLE_NOT_BUILT_IN  - Option not built in, OpenSSL is not the SSL back-
       end.

       CURLE_UNKNOWN_OPTION - Option not recognized.

       CURLE_OUT_OF_MEMORY - Insufficient heap space.

SEE ALSO
       CURLOPT_SSLENGINE_DEFAULT(3), CURLOPT_SSLKEY(3),

libcurl 7.54.0                 December 21, 2016          CURLOPT_SSLENGINE(3)