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Updated: Thursday, June 13, 2019
 
 

CURLOPT_TLS13_CIPHERS (3)

Name

CURLOPT_TLS13_CIPHERS - specify ciphers suites to use for TLS 1.3

Synopsis

#include <curl/curl.h>

CURLcode  curl_easy_setopt(CURL  *handle,  CURLOPT_TLS13_CIPHERS,  char
*list);

Description

CURLOPT_TLS13_CIPHERS(3)   curl_easy_setopt options   CURLOPT_TLS13_CIPHERS(3)



NAME
       CURLOPT_TLS13_CIPHERS - specify ciphers suites to use for TLS 1.3

SYNOPSIS
       #include <curl/curl.h>

       CURLcode  curl_easy_setopt(CURL  *handle,  CURLOPT_TLS13_CIPHERS,  char
       *list);

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 syn-
       tactically 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.

DEFAULT
       NULL, use internal default

PROTOCOLS
       All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.

EXAMPLE
       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);
       }

AVAILABILITY
       Added in 7.61.0.  Available when built with OpenSSL >= 1.1.1.

RETURN VALUE
       Returns CURLE_OK if supported, CURLE_NOT_BUILT_IN otherwise.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       +---------------+------------------+
       |ATTRIBUTE TYPE | ATTRIBUTE VALUE  |
       +---------------+------------------+
       |Availability   | web/curl         |
       +---------------+------------------+
       |Stability      | Uncommitted      |
       +---------------+------------------+
SEE ALSO
       CURLOPT_SSL_CIPHER_LIST(3),         CURLOPT_SSLVERSION(3),         CUR-
       LOPT_PROXY_SSL_CIPHER_LIST(3),   CURLOPT_PROXY_TLS13_CIPHERS(3),   CUR-
       LOPT_PROXY_SSLVERSION(3), CURLOPT_USE_SSL(3),



NOTES
       This    software    was    built    from    source     available     at
       https://github.com/oracle/solaris-userland.    The  original  community
       source   was    downloaded    from     https://github.com/curl/curl/ar-
       chive/curl-7_64_0.zip

       Further information about this software can be found on the open source
       community website at http://curl.haxx.se/.



libcurl 7.61.0                    25 May 2018         CURLOPT_TLS13_CIPHERS(3)