diff options
Diffstat (limited to 'docs/cmdline-opts/curves.d')
| -rw-r--r-- | docs/cmdline-opts/curves.d | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/docs/cmdline-opts/curves.d b/docs/cmdline-opts/curves.d new file mode 100644 index 000000000..47870a278 --- /dev/null +++ b/docs/cmdline-opts/curves.d @@ -0,0 +1,18 @@ +Long: curves +Arg: <algorithm list> +Help: (EC) TLS key exchange algorithm(s) to request +Protocols: TLS +Added: 7.73.0 +Category: tls +--- +Tells curl to request specific curves to use during SSL session establishment +according to RFC 8422, 5.1. Multiple algorithms can be provided by separating +them with ":" (e.g. "X25519:P-521"). The parameter is available identically +in the "openssl s_client/s_server" utilities. + +--curves allows a OpenSSL powered curl to make SSL-connections with exactly +the (EC) curve requested by the client, avoiding intransparent client/server +negotiations. + +If this option is set, the default curves list built into openssl will be +ignored. |