OK, and? That's not the part I was replying to.

The part I specifically replied to was:

I don't quite understand the hate for algorithm agility.  Suppose we had
> no algorithm agility, then what?  We'd occasionally have to retire
> entire protocols and switch to new ones that differ mainly only as to
> algorithms, easy, right?  But wait! we'd have to support negotiation and
> deal with downgrade attacks, so it'd be back to algorithm agility, only
> with extra steps.  No thanks.


I'm not interested in whatever Jan was talking about. You expressed curious
ignorance towards a position, so I explained the position.

On Tue, Jul 7, 2026 at 4:01 PM Nico Williams <[email protected]> wrote:

> On Tue, Jul 07, 2026 at 03:29:11PM -0400, Soatok Dreamseeker wrote:
> > Respectfully, when we're talking about "negotiation", I mean any
> situation
> > where anyone ever decides to use Algorithm A instead of Algorithm B in
> any
> > conceptual way. That definition is too broad to be useful.
>
> This sub-thread starts with:
>
> | On Tue, Jul 7, 2026 at 11:05 AM Jan Zerebecki <[email protected]>
> wrote:
> | > I think we should have learned from history of TLS and other protocols
> | > that having multiple possible algorithms is a security problem.
>
>
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