2024-03-16 02:55:33 +00:00
|
|
|
.\" generated by cd2nroff 0.1 from CURLOPT_SSL_EC_CURVES.md
|
2024-06-01 20:49:19 +00:00
|
|
|
.TH CURLOPT_SSL_EC_CURVES 3 "2024-06-01" libcurl
|
2024-03-16 02:55:33 +00:00
|
|
|
.SH NAME
|
|
|
|
CURLOPT_SSL_EC_CURVES \- key exchange curves
|
|
|
|
.SH SYNOPSIS
|
|
|
|
.nf
|
|
|
|
#include <curl/curl.h>
|
|
|
|
|
|
|
|
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_EC_CURVES, char *alg_list);
|
|
|
|
.fi
|
|
|
|
.SH DESCRIPTION
|
|
|
|
Pass a string as parameter with a colon delimited list of (EC) algorithms. This
|
|
|
|
option defines the client\(aqs key exchange algorithms in the SSL handshake (if
|
|
|
|
the SSL backend libcurl is built to use supports it).
|
|
|
|
.SH DEFAULT
|
|
|
|
\&"", embedded in SSL backend
|
|
|
|
.SH PROTOCOLS
|
2024-03-30 18:28:04 +00:00
|
|
|
All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
|
|
|
|
|
|
|
|
This option works only with the following TLS backends:
|
|
|
|
OpenSSL and wolfSSL
|
2024-03-16 02:55:33 +00:00
|
|
|
.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_SSL_EC_CURVES, "X25519:P-521");
|
|
|
|
res = curl_easy_perform(curl);
|
|
|
|
curl_easy_cleanup(curl);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
.fi
|
|
|
|
.SH AVAILABILITY
|
|
|
|
Added in 7.73.0. Supported by the OpenSSL backend.
|
|
|
|
.SH RETURN VALUE
|
|
|
|
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
|
|
|
|
.SH SEE ALSO
|
|
|
|
.BR CURLOPT_SSL_CIPHER_LIST (3),
|
|
|
|
.BR CURLOPT_SSL_OPTIONS (3),
|
|
|
|
.BR CURLOPT_TLS13_CIPHERS (3)
|