Re: [TLS] Additional changes for draft-ietf-tls-iana-registry-updates

Benjamin Kaduk <kaduk@mit.edu> Fri, 16 March 2018 20:07 UTC

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Date: Fri, 16 Mar 2018 15:07:19 -0500
From: Benjamin Kaduk <kaduk@mit.edu>
To: Sean Turner <sean@sn3rd.com>
Cc: "<tls@ietf.org>" <tls@ietf.org>
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Subject: Re: [TLS] Additional changes for draft-ietf-tls-iana-registry-updates
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On Fri, Mar 16, 2018 at 02:01:48PM +0000, Sean Turner wrote:
> During Adam Roach’s AD review of draft-ietf-tls-tls13, he noted something about the HashAlgorithm and that made me go look at what was said in draft-ietf-tls-iana-registry-updates.  Turns out that 4492bis assigned some values draft-ietf-tls-iana-registry-updates was marking as reserved.  I have fixed that up in:
> https://github.com/tlswg/draft-ietf-tls-iana-registry-updates/pull/65
> 
> One further point brought out in discussions with Adam was that if we’re really closing the HashAlgorithm and SignatureAlgorithms registry we need to also mark 224-255 as deprecated.  Currently these are marked as Reserved for Private Use.  So the question is should we mark 224-255 as deprecated in these two registries?

With no hats, yes, we should mark those ranges as deprecated, since
there is no warning about them in the SignatureScheme registry and
the latter is the way of the future.

-Ben