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Re: [Ntp] Mandatory confidentiality for ntpv5

Martin Burnicki <martin.burnicki@meinberg.de> Thu, 21 October 2021 07:40 UTC

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To: Dieter Sibold <dsibold.ietf@gmail.com>, Hal Murray <halmurray+ietf@sonic.net>
Cc: NTP WG <ntp@ietf.org>
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From: Martin Burnicki <martin.burnicki@meinberg.de>
Organization: Meinberg Funkuhren GmbH & Co. KG, Bad Pyrmont, Germany
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Subject: Re: [Ntp] Mandatory confidentiality for ntpv5
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Dieter Sibold wrote:
> On 15 Oct 2021, at 21:41, Hal Murray wrote:
>> Maybe we should encrypt everything so that we don't waste time discussing
>> whether we need to encrypt everything.
>>
> Maybe this is not a bad idea. NTS already has the capability to encrypt content.

How much of the packet would be encrypted?

If it's fully encrypted, how could a NIC find out that an incoming 
packet is an NTP packet that may need to be timestamped (if timestamping 
of NTP packets is supported at all)?


Martin
-- 
Martin Burnicki

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