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

"Fossati, Thomas (Nokia - GB)" <thomas.fossati@nokia.com> Tue, 15 November 2016 09:30 UTC

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From: "Fossati, Thomas (Nokia - GB)" <thomas.fossati@nokia.com>
To: Martin Thomson <martin.thomson@gmail.com>, Nikos Mavrogiannopoulos <nmav@redhat.com>
Thread-Topic: [ALU] Re: [TLS] extending the un-authenticated DTLS header
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Date: Tue, 15 Nov 2016 09:30:35 +0000
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Cc: Hannes Tschofenig <Hannes.Tschofenig@arm.com>, "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] [ALU] Re: extending the un-authenticated DTLS header
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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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