Re: [Ntp] [Last-Call] Last Call: <draft-ietf-ntp-yang-data-model-10.txt> (A YANG Data Model for NTP) to Proposed Standard

Martin Burnicki <> Mon, 22 February 2021 08:39 UTC

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From: Martin Burnicki <>
Organization: Meinberg Funkuhren GmbH & Co. KG, Bad Pyrmont, Germany
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Date: Mon, 22 Feb 2021 09:39:44 +0100
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Subject: Re: [Ntp] [Last-Call] Last Call: <draft-ietf-ntp-yang-data-model-10.txt> (A YANG Data Model for NTP) to Proposed Standard
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Christian Huitema wrote:
> There is another problem. Because MD5 is deprecated, some software 
> development organizations have checks that prevent use of MD5. The test 
> suites will include such checks, and the software will normally not ship 
> if the checks detect presence of MD5 in the product. Of course there are 
> ways around, but they are not quite as simple as replacing MD5 by 
> SHA256, even for those "non crypto" cases.

Imaging SHA-1 wasn't supported anymore at all, how would you be able to 
track the history of commit hashes in a git repository, which are based 
on SHA-1?

So isn't it a really silly approach to stop supporting certain features 
in general just because they aren't appropriate anymore for certain tasks?

Martin Burnicki

Senior Software Engineer

MEINBERG Funkuhren GmbH & Co. KG
Phone: +49 5281 9309-414

Lange Wand 9, 31812 Bad Pyrmont, Germany
Amtsgericht Hannover 17HRA 100322
Geschäftsführer/Managing Directors: Günter Meinberg, Werner Meinberg, 
Andre Hartmann, Heiko Gerstung