On Jan 8, 2020, at 3:36 PM, Viktor Dukhovni <[email protected]> wrote:
> 
> Or more simply, when Let's Encrypt, or some cloud provider asks you to
> publish a TXT RR in your zone to prove zone control, how sure are you
> that's not a hash collision in disguise?
> 

OK, that's an excellent example of a common situation where such a signature 
might be caused to occur. Thanks!

--Paul Hoffman

Attachment: smime.p7s
Description: S/MIME cryptographic signature

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