e3fe020089
Remove the PROTOCOLS section from the source files completely and instead generate them based on the header data in the curldown files. It also generates TLS backend information for options marked for TLS as protocol. Closes #13175
63 lines
1.2 KiB
Markdown
63 lines
1.2 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_SSL_EC_CURVES
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_SSL_CIPHER_LIST (3)
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- CURLOPT_SSL_OPTIONS (3)
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- CURLOPT_TLS13_CIPHERS (3)
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Protocol:
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- TLS
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TLS-backend:
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- OpenSSL
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- wolfSSL
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---
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# NAME
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CURLOPT_SSL_EC_CURVES - key exchange curves
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_EC_CURVES, char *alg_list);
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~~~
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# DESCRIPTION
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Pass a string as parameter with a colon delimited list of (EC) algorithms. This
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option defines the client's key exchange algorithms in the SSL handshake (if
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the SSL backend libcurl is built to use supports it).
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# DEFAULT
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"", embedded in SSL backend
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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curl_easy_setopt(curl, CURLOPT_SSL_EC_CURVES, "X25519:P-521");
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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~~~
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# AVAILABILITY
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Added in 7.73.0. Supported by the OpenSSL backend.
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# RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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