[Cryptography] Two physics experiment questions

[Ralf Senderek]

On Mon, 25 May 2026, Jon Callas wrote:

> We need to do a PQC conversion NOW because history tells us we need to.

> We know from the upgrade from DES to AES that it takes about twenty years. 
> We know from the upgrade from integer systems to ECC that it takes about twenty years. 
> So it stands to reason that if a cryptographically relevant quantum computer is coming around 2050,
> then we really, really, really need to do this conversion for 2030! Snap to it!

You picked the 2050 figure out of thin air, with no empirical justification.
It could also be 2075 or 2126, nobody knows (including you and me).

I know you said the following in a different context, BUT ..

> It also means that everything else is off the table (and that's not good, but a different not good)
> while we do it.

that's what is already happening.

Take the total silence on this list to Peter's posting about copy fail.
How many similar issues will be burried in the archives, if we'd take your urgency plea seriously,
because it deprives resources from fixing things that make us unsafe today.

Ralf.