Re: [TLS] PR#28: Converting cTLS to QUIC-style varints

Rob Sayre <sayrer@gmail.com> Tue, 06 October 2020 05:11 UTC

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From: Rob Sayre <sayrer@gmail.com>
Date: Mon, 5 Oct 2020 22:11:26 -0700
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To: Christian Huitema <huitema@huitema.net>
Cc: Eric Rescorla <ekr@rtfm.com>, Marten Seemann <martenseemann@gmail.com>, "TLS@ietf.org" <tls@ietf.org>
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Subject: Re: [TLS] PR#28: Converting cTLS to QUIC-style varints
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On Mon, Oct 5, 2020 at 9:59 PM Christian Huitema <huitema@huitema.net>
wrote:

> 1994 called. It wanted to talk about distinguished encoding rules.
>

Could you expand on this idea?

I am not sure what you mean, because most things from circa 1994 are pretty
naive, to my eye.

thanks,
Rob




> On 10/5/2020 8:08 PM, Eric Rescorla wrote:
>
> I don't have a strong opinion on whether to require a minimal encoding,
> but if we're not going to use QUIC's encoding as-is, then I would rather
> stick with the existing scheme, which has twice as large a range for the 1
> byte encoding and is thus more compact for a range of common cases.
>
> -Ekr
>
>
> On Mon, Oct 5, 2020 at 7:31 PM Marten Seemann <martenseemann@gmail.com>
> wrote:
>
>> In that case, why use QUIC's encoding at all? It would just put the
>> burden on the receiver to check that the minimal encoding was used.
>> Would it instead make more sense to modify QUIC's encoding, such that the
>> 2-byte encoding doesn't encode the numbers from 0 to 16383, but the numbers
>> from 64 to (16383 + 64), and equivalently for 4 and 8-byte encodings?
>>
>> On Tue, Oct 6, 2020 at 9:22 AM Salz, Rich <rsalz@akamai.com> wrote:
>>
>>> Can you just say “QUIC rules but use the minimum possible length”?
>>>
>>
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