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Re: [Cfrg] RFC 5742 conflict review for draft-dolmatov-kuznyechik

"Paterson, Kenny" <Kenny.Paterson@rhul.ac.uk> Tue, 02 February 2016 11:16 UTC

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From: "Paterson, Kenny" <Kenny.Paterson@rhul.ac.uk>
To: Alexey Melnikov <alexey.melnikov@isode.com>, "cfrg@irtf.org" <cfrg@irtf.org>
Thread-Topic: RFC 5742 conflict review for draft-dolmatov-kuznyechik
Thread-Index: AQHRW53H5PTCWrurkU6QZdK+UwdC1Z8Yr9cA
Date: Tue, 02 Feb 2016 11:16:39 +0000
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Cc: Nevil Brownlee <rfc-ise@rfc-editor.org>
Subject: Re: [Cfrg] RFC 5742 conflict review for draft-dolmatov-kuznyechik
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Hi,

Not strictly relevant for this conflict review, but since we're discussing
it anyway...

Is anyone on the CFRG list aware of any cryptanalysis of the block cipher
Kuznyechik? 

I realise it's a relatively new algorithm, although it seems to be a
development of previous ciphers from the same stable, but my search engine
of choice only turned up a couple of references.

So what's the state-of-the-art here?

Cheers

Kenny 

On 30/01/2016 20:39, "Alexey Melnikov" <alexey.melnikov@isode.com> wrote:

>
>Dear CFRG participants,
>
>
>On February 4th the IESG will be doing the conflict review for a draft
>[1] that describes GOST R 34.12-2015: Block Cipher "Kuznyechik". Stephen
> Farrell is handling this document on behalf of IESG. Stephen asked for
>feedback from CFRG.
>
>Since national algorithms are typically documented as independent
>submission stream RFCs, I think this one does not represent a conflict
>with ongoing IETF work or process. If you disagree, please let Stephen
>and CFRG chairs know.
>
>
>Should someone want code points for using this algorithm in IETF
>protocols, that would of course go through the normal IETF consensus
>process. See RFC 5742 [2] for details of what this bit of process is
> about.
>
>If you have comments on the draft content then please send those to the
>authors and cc the independent submissions editor, Nevil Brownlee
>(rfc-ise@rfc-editor.org).
>
>Best Regards,
>Alexey, on behalf of CFRG chairs.
>
>[1] https://datatracker.ietf.org/doc/draft-dolmatov-kuznyechik/
>[2] https://tools.ietf.org/html/rfc5742
>

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