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.TH CURLOPT_PROXY_SSLCERTTYPE 3 "May 31, 2017" "libcurl 7.58.0" "curl_easy_setopt options"

.SH NAME
CURLOPT_PROXY_SSLCERTTYPE \- specify type of the proxy client SSL certificate
.SH SYNOPSIS
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSLCERTTYPE, char *type);
.SH DESCRIPTION
Pass a pointer to a zero terminated string as parameter. The string should be
the format of your client certificate used when connecting to a HTTPS proxy.

Supported formats are "PEM" and "DER", except with Secure Transport. OpenSSL
(versions 0.9.3 and later) and Secure Transport (on iOS 5 or later, or OS X
10.7 or later) also support "P12" for PKCS#12-encoded files.

The application does not have to keep the string around after setting this
option.
.SH DEFAULT
"PEM"
.SH PROTOCOLS
All
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
  curl_easy_setopt(curl, CURLOPT_PROXY, "https://proxy");
  curl_easy_setopt(curl, CURLOPT_PROXY_SSLCERT, "client.pem");
  curl_easy_setopt(curl, CURLOPT_PROXY_SSLCERTTYPE, "PEM");
  curl_easy_setopt(curl, CURLOPT_PROXY_SSLKEY, "key.pem");
  curl_easy_setopt(curl, CURLOPT_PROXY_KEYPASSWD, "s3cret");
  ret = curl_easy_perform(curl);
  curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.52.0

If built TLS enabled.
.SH RETURN VALUE
Returns CURLE_OK if TLS is supported, CURLE_UNKNOWN_OPTION if not, or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.
.SH "SEE ALSO"
.BR CURLOPT_PROXY_SSLCERT "(3), " CURLOPT_PROXY_SSLKEY "(3), "
.BR CURLOPT_SSLCERTTYPE "(3), "