curl/docs/libcurl/opts/CURLOPT_SSL_EC_CURVES.3
Daniel Stenberg f98344c4ae
man pages: simplify the .TH sections
- remove the version numbers
- simplify the texts

The date and version number will be put there for releases when maketgz
runs the updatemanpages.pl script.

Closes #11029
2023-04-26 10:17:13 +02:00

59 lines
2.1 KiB
Groff

.\" **************************************************************************
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.\" * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
.\" * are also available at https://curl.se/docs/copyright.html.
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * SPDX-License-Identifier: curl
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.\" **************************************************************************
.\"
.TH CURLOPT_SSL_EC_CURVES 3 "29 Aug 2020" libcurl libcurl
.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's 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
HTTP
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
curl_easy_setopt(curl, CURLOPT_SSL_EC_CURVES, "X25519:P-521");
ret = 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_OPTIONS "(3), " CURLOPT_SSL_CIPHER_LIST "(3), "
.BR CURLOPT_TLS13_CIPHERS "(3), "