Re: [Sidrops] WG Adoption call for draft-harrison-sidrops-manifest-numbers-01

I support adoption of this document
-- 
Tom Strickx
Principal Network Engineer
AS13335 - Cloudflare

On Thu, Apr 4, 2024 at 11:58 PM Rob Austein <sra@hactrn.net> wrote:

> I support adoption because it's worth discussing.  I'm not yet
> convinced that there's a real problem that needs solving here.
>
> On Tue, 02 Apr 2024 12:35:36 -0400, Job Snijders wrote:
> ...
> > 1) The algorithm presented by RFC 1982 ("Serial Number Arithmetic") has
> >    a significant shortcoming: there are sequence numbers for which
> >    comparison is undefined.
>
> For any given serial number there's exactly one value for which
> comparison is undefined.  Given the size of the numbers here, you're
> (much) more likely to be struck by lightening before reading the end
> of this sentence than you are to hit that case by accident, so if you
> ever do hit it you can assume it's an attack. :)
>
> >    I consider arithmetic operations on a number space this large an
> >    unwelcome complication to be avoided if possible.
>
> Implementations I've seen use bignums to hold these numbers, and the
> computational expense of one additional bignum subtraction would be
> lost in the noise compared to the signature check.
>
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>

Re: [Sidrops] WG Adoption call for draft-harrison-sidrops-manifest-numbers-01 - ENDS 04/15/2024 (April 15 2024)