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Re: Packet number encryption

Dmitri Tikhonov <dtikhonov@litespeedtech.com> Fri, 02 February 2018 15:08 UTC

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Date: Fri, 02 Feb 2018 10:08:13 -0500
From: Dmitri Tikhonov <dtikhonov@litespeedtech.com>
To: "Brian Trammell (IETF)" <ietf@trammell.ch>
Cc: Martin Duke <martin.h.duke@gmail.com>, Ted Hardie <ted.ietf@gmail.com>, Roberto Peon <fenix@fb.com>, Mirja Kühlewind <mirja.kuehlewind@tik.ee.ethz.ch>, Christian Huitema <huitema@huitema.net>, Jana Iyengar <jri@google.com>, Eric Rescorla <ekr@rtfm.com>, QUIC WG <quic@ietf.org>, Martin Thomson <martin.thomson@gmail.com>
Subject: Re: Packet number encryption
Message-ID: <20180202150812.GA12313@ubuntu-dmitri>
Mail-Followup-To: "Brian Trammell (IETF)" <ietf@trammell.ch>, Martin Duke <martin.h.duke@gmail.com>, Ted Hardie <ted.ietf@gmail.com>, Roberto Peon <fenix@fb.com>, Mirja Kühlewind <mirja.kuehlewind@tik.ee.ethz.ch>, Christian Huitema <huitema@huitema.net>, Jana Iyengar <jri@google.com>, Eric Rescorla <ekr@rtfm.com>, QUIC WG <quic@ietf.org>, Martin Thomson <martin.thomson@gmail.com>
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On Fri, Feb 02, 2018 at 10:35:41AM +0100, Brian Trammell (IETF) wrote:
> > On 2 Feb 2018, at 01:47, Martin Duke <martin.h.duke@gmail.com> wrote:
> > as the true packet number will start at 0 (boo!) or 1 (yay!).
> 
> I actually have strong opinions on both sides of this argument, so
> I think I’ll go off in the corner and have a pointless fight with
> myself on this one.

How strong is the preference for starting off the packet sequence with
zero?  Zero is such a convenient (and efficient) special value,
programming-wise.

  - Dmitri.

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