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Re: [TLS] Adam Roach's Yes on draft-ietf-tls-tls13-26: (with COMMENT)

Adam Roach <adam@nostrum.com> Mon, 12 March 2018 19:59 UTC

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To: Eric Rescorla <ekr@rtfm.com>
Cc: The IESG <iesg@ietf.org>, draft-ietf-tls-tls13@ietf.org, tls-chairs <tls-chairs@ietf.org>, Sean Turner <sean@sn3rd.com>, "<tls@ietf.org>" <tls@ietf.org>
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From: Adam Roach <adam@nostrum.com>
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Date: Mon, 12 Mar 2018 14:58:52 -0500
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Subject: Re: [TLS] Adam Roach's Yes on draft-ietf-tls-tls13-26: (with COMMENT)
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On 3/7/18 12:58 PM, Eric Rescorla wrote:
> > >  -  TLS SignatureScheme Registry: Values with the first byte in the
> > >     range 0-253 (decimal) are assigned via Specification Required
> > >     [RFC8126].  Values with the first byte 254 or 255 (decimal) are
> > >     reserved for Private Use [RFC8126].  Values with the first byte in
> > >     the range 0-6 or with the second byte in the range 0-3 that are
> > >     not currently allocated are reserved for backwards compatibility.
> >
> > Unless I misunderstand the compatibility mechanisms here, the 
> reservation of
> > first byte=0-6 seems to assume that no further assignments will be 
> made from
> > the "TLS HashAlgorithm Registry" (after 4492bis lands). If this is 
> the case, I
> > would expect the IANA considerations section to include a request 
> that the IANA
> > close the table to further registrations. The same comment applies 
> to TLS
> > SignatureAlgorithm Registry.
>
> Agreed, but I'd like to hear from the chairs.


I think we're still waiting to hear from the chairs on this topic.

/a

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