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Re: Request for feedback: DOMCrypt API proposal

From: David Dahl <ddahl@mozilla.com>
Date: Thu, 2 Jun 2011 08:57:37 -0700 (PDT)
To: Stephen Farrell <stephen.farrell@cs.tcd.ie>
Cc: public-web-security@w3.org, Nico Williams <nico@cryptonector.com>
Message-ID: <1281984421.100637.1307030257658.JavaMail.root@zimbra1.shared.sjc1.mozilla.com>
Someone else also asked me about TLS key extraction, I will have to add that to my list of research to do. Can you point me to any further reading?



----- Original Message -----
From: "Stephen Farrell" <stephen.farrell@cs.tcd.ie>
To: "Nico Williams" <nico@cryptonector.com>
Cc: "David Dahl" <ddahl@mozilla.com>, public-web-security@w3.org
Sent: Thursday, June 2, 2011 10:01:21 AM
Subject: Re: Request for feedback: DOMCrypt API proposal

On 02/06/11 15:41, Nico Williams wrote:
> If people were to rely on TLS key extraction then we might as well
> kiss mutual authentication goodbye, 

Two things. First, I don't see that that follows and even if
it did it still would not necessarily be convincing. My idea
in pushing key extraction is to avoid loads of developers
re-inventing the TLS handshake (badly) at the application
layer. Secondly, mutual auth is a different (in practice)
hard problem that's also well worth trying to address.

> but mutual authentication and
> channel binding had plenty of support at the workshop (though they are
> not mentioned in the report).

If there's interest in that too, that's great, but these
things should not be seen as competing IMO.

Received on Thursday, 2 June 2011 15:58:05 UTC

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