diff options
Diffstat (limited to 'lib/ssl/doc/src/ssl.xml')
| -rw-r--r-- | lib/ssl/doc/src/ssl.xml | 49 |
1 files changed, 46 insertions, 3 deletions
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml index 82bede69d0..17842c71ad 100644 --- a/lib/ssl/doc/src/ssl.xml +++ b/lib/ssl/doc/src/ssl.xml @@ -421,7 +421,6 @@ fun(srp, Username :: string(), UserState :: term()) -> <warning><p>Using <c>{padding_check, boolean()}</c> makes TLS vulnerable to the Poodle attack.</p></warning> - </section> <section> @@ -522,9 +521,45 @@ fun(srp, Username :: string(), UserState :: term()) -> be supported by the server for the prevention to work. </p></warning> </item> - </taglist> + <tag><marker id="client_signature_algs"/><c>{signature_algs, [{hash(), ecdsa | rsa | dsa}]}</c></tag> + <item> + <p>In addition to the algorithms negotiated by the cipher + suite used for key exchange, payload encryption, message + authentication and pseudo random calculation, the TLS signature + algorithm extension <url + href="http://www.ietf.org/rfc/rfc5246.txt">Section 7.4.1.4.1 in RFC 5246</url> may be + used, from TLS 1.2, to negotiate which signature algorithm to use during the + TLS handshake. If no lower TLS versions than 1.2 are supported, + the client will send a TLS signature algorithm extension + with the algorithms specified by this option. + Defaults to + + <code>[ +%% SHA2 +{sha512, ecdsa}, +{sha512, rsa}, +{sha384, ecdsa}, +{sha384, rsa}, +{sha256, ecdsa}, +{sha256, rsa}, +{sha224, ecdsa}, +{sha224, rsa}, +%% SHA +{sha, ecdsa}, +{sha, rsa}, +{sha, dsa}, +%% MD5 +{md5, rsa} +]</code> + + The algorithms should be in the preferred order. + Selected signature algorithm can restrict which hash functions + that may be selected. + </p> + </item> + </taglist> </section> - + <section> <title>SSL OPTION DESCRIPTIONS - SERVER SIDE</title> @@ -651,6 +686,14 @@ fun(srp, Username :: string(), UserState :: term()) -> <item>If true, use the server's preference for cipher selection. If false (the default), use the client's preference. </item> + + <tag><c>{signature_algs, [{hash(), ecdsa | rsa | dsa}]}</c></tag> + <item><p> The algorithms specified by + this option will be the ones accepted by the server in a signature algorithm + negotiation, introduced in TLS-1.2. The algorithms will also be offered to the client if a + client certificate is requested. For more details see the <seealso marker="#client_signature_algs">corresponding client option</seealso>. + </p> </item> + </taglist> </section> |