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Re: [TLS] [ALU] Re: extending the un-authenticated DTLS header

Martin Thomson <martin.thomson@gmail.com> Tue, 15 November 2016 10:12 UTC

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From: Martin Thomson <martin.thomson@gmail.com>
Date: Tue, 15 Nov 2016 19:12:40 +0900
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To: "Thomas Fossati (Nokia - GB)" <thomas.fossati@nokia.com>
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Cc: Hannes Tschofenig <Hannes.Tschofenig@arm.com>, tls@ietf.org
Subject: Re: [TLS] [ALU] Re: extending the un-authenticated DTLS header
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Okay, so you are saying that every packet has the same number?

On 15 Nov 2016 6:30 PM, "Fossati, Thomas (Nokia - GB)" <
thomas.fossati@nokia.com> wrote:

> On 15/11/2016 09:20, "TLS on behalf of Martin Thomson"
> <tls-bounces@ietf.org on behalf of martin.thomson@gmail.com> wrote:
> >This means that you can guarantee privacy, but it forces
> >the server to do an exhaustive search of all of its active connections
> >(that is, O(N)) when it gets a 5-tuple mismatch.
>
> I don't think I follow.  You'd use CID as primary key to index your
> security contexts.  So, regardless your 5-tuple matches or not you'd do
> your O(1) lookup in the CID table and find the associated security context.
>
>

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