I agree with Joe's advice to limit the spec to what you need to
interoperate.  It's a good idea to allow algorithm rollover, but I
don't think it's useful to try and guess how people might implement
it, or to try to invent a way to send back failure reports.


>NEW:
>
>4.1.  Verifying Multiple Digests
>
> If multiple digests are present in the zone, e.g., during an
> algorithm rollover, at least one of the recipient's supported Digest
> Type algorithms MUST verify the zone.

I don't see how that's a MUST.  What else could you do?

> If multiple digests are present in the zone, it is up to the
> recipient to decide how many to check.  The zone digest is valid
> if at least one of the  digests can be verified.

R's,
John



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