Re: SCRAM with channel binding downgrade attack

From: Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Magnus Hagander <magnus(at)hagander(dot)net>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Postgres hackers <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Bruce Momjian <bruce(at)momjian(dot)us>
Subject: Re: SCRAM with channel binding downgrade attack
Date: 2018-06-29 20:42:36
Message-ID: 41559c12-4656-14ec-2b64-0d1b9c1b43cb@2ndquadrant.com
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On 29.06.18 04:16, Michael Paquier wrote:
> I am able to find easily drafts of TLS 1.3, but I am not seeing an RFC
> associated to it, which would be the base document to rely on I
> guess... So that's really hard to make any decision in this area
> without the real deal. As far as I can see tls-unique could be
> deprecated and replaced, but from OpenSSL point of view it technically
> works.

At this point, I think we can leave it as is until they came out with a
new channel binding type.

--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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