Re: [TLS] Security review of TLS1.3 0-RTT

Viktor Dukhovni <ietf-dane@dukhovni.org> Wed, 03 May 2017 18:23 UTC

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From: Viktor Dukhovni <ietf-dane@dukhovni.org>
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Date: Wed, 03 May 2017 14:20:58 -0400
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Subject: Re: [TLS] Security review of TLS1.3 0-RTT
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> On May 3, 2017, at 12:15 PM, Salz, Rich <rsalz@akamai.com> wrote:
> 
> We disagree.  And I think the concerns Colm has raised show that others are also in agreement.

I see all the talk of STEKs (session ticket encryption keys) breaking forward-secrecy as FUD.
All kinds of poor implementation and/or operational practices may compromise confidentiality,
The (mis)use of long-term STEKs is not particularly special among such practices.

If libraries implement "long-term" STEKs, that's a library bug, not a protocol issue.

-- 
	Viktor.