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tls: add CURLOPT_SSL_EC_CURVES and --curves

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Closes #5892
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Michael Baentsch 2020-08-29 14:09:24 +02:00 • committed by Daniel Stenberg
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2
docs/libcurl/curl_easy_setopt.3
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@ -532,6 +532,8 @@ Proxy client key type. See \fICURLOPT_PROXY_SSLKEYTYPE(3)\fP
Client key password. See \fICURLOPT_KEYPASSWD(3)\fP
.IP CURLOPT_PROXY_KEYPASSWD
Proxy client key password. See \fICURLOPT_PROXY_KEYPASSWD(3)\fP
.IP CURLOPT_SSL_EC_CURVES
Set key exchange curves. See \fICURLOPT_SSL_EC_CURVES(3)\fP
.IP CURLOPT_SSL_ENABLE_ALPN
Enable use of ALPN. See \fICURLOPT_SSL_ENABLE_ALPN(3)\fP
.IP CURLOPT_SSL_ENABLE_NPN

54
docs/libcurl/opts/CURLOPT_SSL_EC_CURVES.3 Normal file
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@ -0,0 +1,54 @@
.\" **************************************************************************
.\" * _ _ ____ _
.\" * Project ___| | | | _ \| |
.\" * / __| | | | |_) | |
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2020, 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.haxx.se/docs/copyright.html.
.\" *
.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
.\" * copies of the Software, and permit persons to whom the Software is
.\" * furnished to do so, under the terms of the COPYING file.
.\" *
.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
.\" * KIND, either express or implied.
.\" *
.\" **************************************************************************
.\"
.TH CURLOPT_SSL_EC_CURVES 3 "29 Aug 2020" "libcurl 7.73.0" "curl_easy_setopt options"
.SH NAME
CURLOPT_SSL_EC_CURVES \- set key exchange curves
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_EC_CURVES, char *alg_list);
.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), "

1
docs/libcurl/opts/Makefile.inc
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@ -331,6 +331,7 @@ man_MANS = \
CURLOPT_SSL_CIPHER_LIST.3 \
CURLOPT_SSL_CTX_DATA.3 \
CURLOPT_SSL_CTX_FUNCTION.3 \
CURLOPT_SSL_EC_CURVES.3 \
CURLOPT_SSL_ENABLE_ALPN.3 \
CURLOPT_SSL_ENABLE_NPN.3 \
CURLOPT_SSL_FALSESTART.3 \

1
docs/libcurl/symbols-in-versions
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@ -616,6 +616,7 @@ CURLOPT_SSLVERSION 7.1
CURLOPT_SSL_CIPHER_LIST 7.9
CURLOPT_SSL_CTX_DATA 7.10.6
CURLOPT_SSL_CTX_FUNCTION 7.10.6
CURLOPT_SSL_EC_CURVES 7.73.0
CURLOPT_SSL_ENABLE_ALPN 7.36.0
CURLOPT_SSL_ENABLE_NPN 7.36.0
CURLOPT_SSL_FALSESTART 7.42.0