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curl/docs/libcurl/opts/CURLOPT_TLS13_CIPHERS.3
Daniel Stenberg 050c93c46f
setopt: add TLS 1.3 ciphersuites
Adds CURLOPT_TLS13_CIPHERS and CURLOPT_PROXY_TLS13_CIPHERS.

curl: added --tls13-ciphers and --proxy-tls13-ciphers

Fixes #2435
Reported-by: zzq1015 on github
Closes #2607
2018-05-29 16:12:52 +02:00

63 lines
2.4 KiB
Groff

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.TH CURLOPT_TLS13_CIPHERS 3 "25 May 2018" "libcurl 7.61.0" "curl_easy_setopt options"
.SH NAME
CURLOPT_TLS13_CIPHERS \- specify ciphers suites to use for TLS 1.3
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TLS13_CIPHERS, char *list);
.SH DESCRIPTION
Pass a char *, pointing to a zero terminated string holding the list of cipher
suites to use for the TLS 1.3 connection. The list must be syntactically
correct, it consists of one or more cipher suite strings separated by colons.
You'll find more details about cipher lists on this URL:
https://curl.haxx.se/docs/ssl-ciphers.html
The application does not have to keep the string around after setting this
option.
.SH DEFAULT
NULL, use internal default
.SH PROTOCOLS
All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
curl_easy_setopt(curl, CURLOPT_TLS13_CIPHERS,
"TLS13-CHACHA20-POLY1305-SHA256");
ret = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.61.0.
Available when built with OpenSSL >= 1.1.1.
.SH RETURN VALUE
Returns CURLE_OK if supported, CURLE_NOT_BUILT_IN otherwise.
.SH "SEE ALSO"
.BR CURLOPT_SSLVERSION "(3), " CURLOPT_PROXY_TLS13_CIPHERS "(3), "