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.TH CURLOPT_SSLENGINE_DEFAULT 3 "May 31, 2017" "libcurl 7.70.0" "curl_easy_setopt options"

.SH NAME
CURLOPT_SSLENGINE_DEFAULT \- make SSL engine default
.SH SYNOPSIS
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLENGINE_DEFAULT, long val);
.SH DESCRIPTION
Pass a long set to 1 to make the already specified crypto engine the default
for (asymmetric) crypto operations.

This option has no effect unless set after \fICURLOPT_SSLENGINE(3)\fP.
.SH DEFAULT
None
.SH PROTOCOLS
All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
  curl_easy_setopt(curl, CURLOPT_SSLENGINE, "dynamic");
  curl_easy_setopt(curl, CURLOPT_SSLENGINE_DEFAULT, 1L);
  ret = curl_easy_perform(curl);
  curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Only if the SSL backend is OpenSSL built with engine support.
.SH RETURN VALUE
CURLE_OK - Engine set as default.

CURLE_SSL_ENGINE_SETFAILED - Engine could not be set as default.

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

CURLE_UNKNOWN_OPTION - Option not recognized.

CURLE_OUT_OF_MEMORY - Insufficient heap space.
.SH "SEE ALSO"
.BR CURLOPT_SSLENGINE "(3), " CURLOPT_SSLCERT "(3), "