Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC for status change for draft‑ietf‑ntp‑update‑registries
Miroslav Lichvar <mlichvar@redhat.com> Tue, 09 August 2022 09:31 UTC
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Date: Tue, 09 Aug 2022 11:31:31 +0200
From: Miroslav Lichvar <mlichvar@redhat.com>
To: Harlan Stenn <stenn@nwtime.org>
Cc: ntp@ietf.org
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References: <PH0PR06MB70611F2331D8255F7E2B6604C2999@PH0PR06MB7061.namprd06.prod.outlook.com> <0b4c7efa-3977-b588-0974-33b6a9437e52@nwtime.org> <62F0E9D3020000A10004C2EC@gwsmtp.uni-regensburg.de> <2d66fa3e-f750-e3d2-511e-594fa40d993d@nwtime.org> <62F0F4C7020000A10004C310@gwsmtp.uni-regensburg.de> <8faf7c64-8896-97ca-fa2e-2d762c7da1d8@nwtime.org> <YvEIf3g+Jjm27pUz@localhost> <f6b2b8ce-c4f8-72d9-8004-2bb13e1176e4@nwtime.org> <YvIUeUAkpXR7/lDS@localhost> <c109d057-bcce-862a-e264-69523f232fed@nwtime.org>
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Subject: Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC for status change for draft‑ietf‑ntp‑update‑registries
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On Tue, Aug 09, 2022 at 02:11:11AM -0700, Harlan Stenn wrote: > > > > 04 1b 00 14 cc e2 c8 47 71 95 79 64 c4 71 e8 72 7e bf fb cd > > It's the UDP data following the NTP header. > > I don't do this stuff in my head as well as I used to. > > Is there a symmetric key for keyID 1051? If so, what hash algorithm was > used? If interpreted as a MAC, the key ID would be 0x041b0014 (68878356), i.e. in the Autokey range. The hash algorithm depends on the configuration. It's not in the message. > I'm not seeing that it's a valid EF (either V1 or V2). It's a valid 20-octet EF with a type of 0x041b. That is a value that could be assigned in future. With RFC7822 we know it has to be a MAC, because it's too short to be an EF. Without that we could only guess, e.g. by trying to authenticate the message, but that wouldn't work if the client had an old Autokey cookie (e.g. after server restart). -- Miroslav Lichvar
- [Ntp] Quick review of WGLC for status change for … Karen O'Donoghue
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Karen O'Donoghue
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Karen O'Donoghue
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Quick review of WGLC for status change … Sanjeev Gupta
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Miroslav Lichvar
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- [Ntp] Antw: [EXT] Re: Quick review of WGLC for st… Ulrich Windl
- [Ntp] Antw: [EXT] Re: Quick review of WGLC for st… Ulrich Windl
- [Ntp] Antw: [EXT] Re: Quick review of WGLC for st… Ulrich Windl
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Ulrich Windl
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Salz, Rich
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Salz, Rich
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Hal Murray
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Martin Burnicki
- [Ntp] Antw: Re: Antw: [EXT] Re: Quick review of W… Ulrich Windl
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Martin Burnicki
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Hal Murray
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Martin Burnicki
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Martin Burnicki
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Martin Burnicki
- [Ntp] Antw: Re: Antw: [EXT] Re: Quick review of W… Ulrich Windl
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Martin Burnicki
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Hal Murray
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Miroslav Lichvar
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Martin Burnicki
- [Ntp] Antw: Re: Antw: [EXT] Re: Quick review of W… Ulrich Windl
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- [Ntp] Antw: [EXT] Re: Quick review of WGLC for st… Ulrich Windl
- Re: [Ntp] Quick review of WGLC for status change … Karen ODonoghue
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Leif Johansson
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Ulrich Windl
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Ulrich Windl
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Harlan Stenn
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Harlan Stenn
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… James
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… James Browning
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Leif Johansson
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- [Ntp] Antw: [EXT] Re: Quick review of WGLC for st… Ulrich Windl
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Quick review of WGLC for status change … Danny Mayer
- Re: [Ntp] Quick review of WGLC for status change … Heiko Gerstung
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Miroslav Lichvar
- Re: [Ntp] Quick review of WGLC for status change … Heiko Gerstung
- Re: [Ntp] Quick review of WGLC for status change … Miroslav Lichvar
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Miroslav Lichvar
- Re: [Ntp] Quick review of WGLC for status change … Danny Mayer
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Heiko Gerstung
- Re: [Ntp] Quick review of WGLC for status change … Miroslav Lichvar
- Re: [Ntp] Quick review of WGLC for status change … Miroslav Lichvar
- [Ntp] Antw: [EXT] Re: Quick review of WGLC for st… Ulrich Windl
- [Ntp] Antw: [EXT] Re: Quick review of WGLC for st… Ulrich Windl
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Heiko Gerstung
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Heiko Gerstung
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Quick review of WGLC for status change … Danny Mayer
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- [Ntp] Antw: Re: Antw: [EXT] Re: Quick review of W… Ulrich Windl
- [Ntp] Antw: Re: Antw: [EXT] Re: Quick review of W… Ulrich Windl
- [Ntp] Antw: [EXT] Re: Quick review of WGLC for st… Ulrich Windl
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Quick review of WGLC for status change … Miroslav Lichvar
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Heiko Gerstung
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Harlan Stenn
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Ulrich Windl
- [Ntp] Antw: Re: Antw: [EXT] Re: Quick review of W… Ulrich Windl
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Quick review of WGLC for status change … Salz, Rich
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Danny Mayer
- Re: [Ntp] Quick review of WGLC for status change … Harlan Stenn
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Miroslav Lichvar
- [Ntp] Antw: Re: Antw: [EXT] Re: Quick review of W… Ulrich Windl
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… kristof.teichel
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… kristof.teichel
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… kristof.teichel
- Re: [Ntp] Antw: [EXT] Re: Quick review of WGLC fo… Harlan Stenn
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Harlan Stenn
- [Ntp] Antw: Re: Antw: [EXT] Re: Quick review of W… Ulrich Windl
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Ulrich Windl
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Harlan Stenn
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Harlan Stenn
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … James Browning
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Ulrich Windl
- Re: [Ntp] Antw: Re: Antw: [EXT] Re: Quick review … Ulrich Windl