Re: [TLS] draft-green-tls-static-dh-in-tls13-01

"Roland Dobbins" <rdobbins@arbor.net> Thu, 20 July 2017 19:51 UTC

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From: "Roland Dobbins" <rdobbins@arbor.net>
To: "Carl Mehner" <c@cem.me>
Cc: "Simon Friedberger" <simon.tls@a-oben.org>, "tls@ietf.org" <tls@ietf.org>
Date: Thu, 20 Jul 2017 21:51:15 +0200
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Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/I4yz_mT2J-xKXNDQVUnA0sGZtKs>
Subject: Re: [TLS] draft-green-tls-static-dh-in-tls13-01
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X-List-Received-Date: Thu, 20 Jul 2017 19:51:31 -0000

On 20 Jul 2017, at 21:21, Carl Mehner wrote:

> It's not an overnight change, but it is a practical one, and one that 
> could end up making these complicated applications that "need" 
> static-key-style decryption work more effectively and efficiently.

The problems of capex, opex, scale, additional complexity, and 
potentially broadening the attack surface via additional inline 
termination are also considerations - these tradeoffs may work for some 
organizations, but don't for many.

Whether or not one can obtain sufficient application/service 
instrumentation is also highly situationally-specific.

-----------------------------------
Roland Dobbins <rdobbins@arbor.net>;