Re: [TLS] Protocol Action: 'IANA Registry Updates for Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS)' to Proposed Standard (draft-ietf-tls-iana-registry-updates-05.txt)

Jeffrey Walton <> Wed, 30 May 2018 01:15 UTC

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From: Jeffrey Walton <>
Date: Tue, 29 May 2018 21:15:47 -0400
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To: "Salz, Rich" <>
Cc: Benjamin Kaduk <>, Peter Gutmann <>, "" <>, "" <>
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Subject: Re: [TLS] Protocol Action: 'IANA Registry Updates for Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS)' to Proposed Standard (draft-ietf-tls-iana-registry-updates-05.txt)
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On Tue, May 29, 2018 at 4:21 PM, Salz, Rich
<> wrote:
>>    There's a tradeoff between respecting the official allocation processes
>     and avoiding real-world breakage.  I think we can all make our own assessments
>     on the former, but for the latter, all the evidence we have so far is a claim
>     from Peter that there exists software that hardcodes this number, with no
>     indication of scale of deployment or ease of updating such software.
> Peter tried very hard to play by all the rules, whether they were enshrined in formal documents, or "just" decisions by WG chairs, and everything in-between.
> Peter says the number is in use.
> I believe him.
> Give him the damn number.


I also delivered an OpenSSL-based TLS-LTS prototype to a Hoteliers
working group for their smart locks last year. I have no idea how much
of the code they are going to reuse (if any at all).