--------

Bas Westerbaan <[email protected]> wrote:
    > [1] A validator should insist on a signature with algorithm A if the
    > availability of A is signalled by the existence of the corresponding DS
    > and A has more confidence in the security of A than the other available
    > algorithms. We can do the same if it's not one preferred, but a couple
    > are equipreferable.

The DS record for alg A is the signal that the authoritative server(s) want
algorithm A used :-)
It's not a new signal, but it's a good one.

Resolvers will need to do their due diligent on which things they support,
and how they react to algorithm A failing signatures while algorithm B
signature seems just fine.  (Clue: it's probably B that was broken... but...)

There is still the possibility (fading, I think) that one of the quantum-safe
algorithms will fall to a non-quantum attack: That's why everyone wants hybrids.

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        | network architect  [
]     [email protected]  http://www.sandelman.ca/        |   ruby on rails    [

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