From caa2a7c81d19907a6125438bc1e71b6a2f5e16d6 Mon Sep 17 00:00:00 2001 From: Jeremy Harris Date: Sun, 10 Jan 2021 20:10:21 +0000 Subject: channel binding notes --- doc/doc-docbook/spec.xfpt | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'doc') diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index bb053ed78..4c79e87cf 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -28181,6 +28181,10 @@ supplied by the server. .option server_channelbinding gsasl boolean false Do not set this true and rely on the properties without consulting a cryptographic engineer. +. Unsure what that's about. It might be the "Triple Handshake" +. vulnerability; cf. https://www.mitls.org/pages/attacks/3SHAKE +. If so, we're ok, requiring Extended Master Secret if TLS +. Session Resumption was used. Some authentication mechanisms are able to use external context at both ends of the session to bind the authentication to that context, and fail the -- cgit v1.2.3