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CIPHERS.md: Mention the options used to set TLS 1.3 ciphers

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Closes https://github.com/curl/curl/pull/3159
This commit is contained in:
Jay Satiro 2018-10-23 00:49:12 -04:00
parent db1338474c
commit a023dfa19a
1 changed files with 12 additions and 3 deletions
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15
docs/CIPHERS.md
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@ -1,7 +1,16 @@
# Ciphers # Ciphers
With curl's options `CURLOPT_SSL_CIPHER_LIST` and `--ciphers` users can With curl's options
control which ciphers to consider when negotiating TLS connections. [`CURLOPT_SSL_CIPHER_LIST`](https://curl.haxx.se/libcurl/c/CURLOPT_SSL_CIPHER_LIST.html)
and
[`--ciphers`](https://curl.haxx.se/docs/manpage.html#--ciphers)
users can control which ciphers to consider when negotiating TLS connections.
TLS 1.3 ciphers are supported since curl 7.61 with options
[`CURLOPT_TLS13_CIPHERS`](https://curl.haxx.se/libcurl/c/CURLOPT_TLS13_CIPHERS.html)
and
[`--tls13-ciphers`](https://curl.haxx.se/docs/manpage.html#--tls13-ciphers)
.
The names of the known ciphers differ depending on which TLS backend that The names of the known ciphers differ depending on which TLS backend that
libcurl was built to use. This is an attempt to list known cipher names. libcurl was built to use. This is an attempt to list known cipher names.
@ -146,7 +155,7 @@ When specifying multiple cipher names, separate them with colon (`:`).
### TLS 1.3 cipher suites ### TLS 1.3 cipher suites
(Note: the TLS 1.3 cipher suites are set with a separate option.) (Note these ciphers are set with `CURLOPT_TLS13_CIPHERS` and `--tls13-ciphers`)
`TLS13-AES-256-GCM-SHA384` `TLS13-AES-256-GCM-SHA384`
`TLS13-CHACHA20-POLY1305-SHA256` `TLS13-CHACHA20-POLY1305-SHA256`