Re: [Tls-reg-review] Question about the TLS cipher suite registry

Yoav Nir <ynir.ietf@gmail.com> Thu, 05 March 2020 04:13 UTC

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From: Yoav Nir <ynir.ietf@gmail.com>
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Date: Thu, 05 Mar 2020 06:13:19 +0200
In-Reply-To: <9ED5942D-EDA8-42C8-8786-EC16C4E2AD97@akamai.com>
Cc: Adam Foltzer <acfoltzer@fastly.com>, Mark Nottingham <mnot@mnot.net>, "tls-reg-review@ietf.org" <tls-reg-review@ietf.org>
To: "Salz, Rich" <rsalz=40akamai.com@dmarc.ietf.org>
References: <D8454EC5-D056-4627-934D-8BEB2A654B5D@mnot.net> <CAB8hvnH3ZPMXmSw7cC+m7r1JPrZjFpJpKm6O5wZ60V8Z_pjLZg@mail.gmail.com> <9ED5942D-EDA8-42C8-8786-EC16C4E2AD97@akamai.com>
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Subject: Re: [Tls-reg-review] Question about the TLS cipher suite registry
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No, the range immediately (not) after that:  0xFA,0xCA -F9

0xFA,0x00-C9	Unassigned			
0xFA,0xFA	Reserved	Y	N	[RFC8701 <https://www.iana.org/go/rfc8701>]
0xFA,0xFB-FF	Unassigned
It’s not assigned to anything, but it seems to be missing.

> On 5 Mar 2020, at 4:36, Salz, Rich <rsalz=40akamai.com@dmarc.ietf.org> wrote:
> 
> Using the tls-reg-review mail alias so that IANA sees this.
>  
> I don’t know how the csv or XHTML files are maintained.  Looking athttps://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-4 <https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-4>, I see this:
>         0xFA,0x00-C9
> Unassigned
>  
> Is that the range you mean?
>  
> From: Adam Foltzer <acfoltzer@fastly.com>
> Date: Wednesday, March 4, 2020 at 6:58 PM
> To: Mark Nottingham <mnot@mnot.net>
> Cc: Yoav Nir <ynir.ietf@gmail.com>, Rich Salz <rsalz@akamai.com>, Nick Sullivan <nick@cloudflare.com>
> Subject: Re: Question about the TLS cipher suite registry
>  
> Thanks, Mark! 
>  
> Hi everyone,
>  
> I was working with the CSV of the cipher suite registry (https://www.iana.org/assignments/tls-parameters/tls-parameters-4.csv <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.iana.org_assignments_tls-2Dparameters_tls-2Dparameters-2D4.csv&d=DwMFaQ&c=96ZbZZcaMF4w0F4jpN6LZg&r=4LM0GbR0h9Fvx86FtsKI-w&m=dpcjQ2TVZH5UswHqtHodv3nFO9QiYT-91jWev8I1OVg&s=oWGFQzXXyHhRfUn7HdSz_GjjhhIOk39VO5CKXJ1mG38&e=>) and noticed that the value range 0xFA,0xCA-F9 is missing both from the CSV and the XHTML table. As far as I can tell, this is the only missing range.
>  
> I wanted to bring this to your attention, as well as ask whether it'd be correct to treat these values as Unassigned for the time being.
>  
> Thank you!
>  
> Adam
>  
> On Wed, Mar 4, 2020 at 3:38 PM Mark Nottingham <mnot@mnot.net <mailto:mnot@mnot.net>> wrote:
>> Gents,
>> 
>> One of my colleagues, Adam (CC:ed) has a question about the TLS cipher suite registry.
>> 
>> Over to you, Adam!
>> 
>> Cheers,
>> 
>> --
>> Mark Nottingham   https://www.mnot.net/ <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.mnot.net_&d=DwMFaQ&c=96ZbZZcaMF4w0F4jpN6LZg&r=4LM0GbR0h9Fvx86FtsKI-w&m=dpcjQ2TVZH5UswHqtHodv3nFO9QiYT-91jWev8I1OVg&s=SHPGhce_r4u8Yg6qhyG0JBGpU5AMG_DFPiqHswyyPGc&e=>
> 
>  
> -- 
> Adam C. Foltzer | Senior Software Engineer
> fastly.com <https://urldefense.proofpoint.com/v2/url?u=http-3A__fastly.com&d=DwMFaQ&c=96ZbZZcaMF4w0F4jpN6LZg&r=4LM0GbR0h9Fvx86FtsKI-w&m=dpcjQ2TVZH5UswHqtHodv3nFO9QiYT-91jWev8I1OVg&s=VXi94D-mlhEn_pyKojowqvnn4s_EtDXYYUZAnU6uKwI&e=> | @fastly
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