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repo/core/curl/files/CURLOPT_SSLKEYTYPE.3
2024-03-15 21:55:38 -05:00

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.\" generated by cd2nroff 0.1 from CURLOPT_SSLKEYTYPE.md
.TH CURLOPT_SSLKEYTYPE 3 "March 15 2024" libcurl
.SH NAME
CURLOPT_SSLKEYTYPE \- type of the private key file
.SH SYNOPSIS
.nf
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLKEYTYPE, char *type);
.fi
.SH DESCRIPTION
Pass a pointer to a null\-terminated string as parameter. The string should be
the format of your private key. Supported formats are "PEM", "DER" and "ENG".
The format "ENG" enables you to load the private key from a crypto engine. In
this case \fICURLOPT_SSLKEY(3)\fP is used as an identifier passed to the engine. You
have to set the crypto engine with \fICURLOPT_SSLENGINE(3)\fP. "DER" format key file
currently does not work because of a bug in OpenSSL.
The application does not have to keep the string around after setting this
option.
.SH DEFAULT
\&"PEM"
.SH PROTOCOLS
All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
.SH EXAMPLE
.nf
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
curl_easy_setopt(curl, CURLOPT_SSLCERT, "client.pem");
curl_easy_setopt(curl, CURLOPT_SSLKEY, "key.pem");
curl_easy_setopt(curl, CURLOPT_SSLKEYTYPE, "PEM");
curl_easy_setopt(curl, CURLOPT_KEYPASSWD, "s3cret");
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
}
.fi
.SH AVAILABILITY
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_SSLKEYTYPE (3),
.BR CURLOPT_SSLCERT (3),
.BR CURLOPT_SSLKEY (3)