Re: [saag] Revision of "Attacks on Cryptographic Hashes in Internet Protocols"

Paul Hoffman <paul.hoffman@vpnc.org> Thu, 15 November 2012 00:39 UTC

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From: Paul Hoffman <paul.hoffman@vpnc.org>
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Date: Wed, 14 Nov 2012 16:39:32 -0800
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To: Andrey Jivsov <openpgp@brainhub.org>
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Subject: Re: [saag] Revision of "Attacks on Cryptographic Hashes in Internet Protocols"
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On Nov 14, 2012, at 4:33 PM, Andrey Jivsov <openpgp@brainhub.org> wrote:

> On 11/14/2012 03:42 PM, Paul Hoffman wrote:
>> On Nov 14, 2012, at 3:35 PM, Andrey Jivsov <openpgp@brainhub.org> wrote:
>> 
>>> On 11/14/2012 02:33 PM, Paul Hoffman wrote:
>>>> On Nov 14, 2012, at 1:40 PM, Andrey Jivsov <openpgp@brainhub.org> wrote:
>>>> 
>>>>> SHA-2 is well-supported today, but there are no solid reasons why SHA-3 will not be supported equally well in the future.
>>>> 
>>>> In that future, we can re-look at support for it in IETF protocols. For now, algorithm agility might be sufficient.
>>> 
>>> I would agree, but the document such as RFC 4270 influence the future. If the message it sends is that the SHA-3 is an odd bifurcation in the SHA line, SHA-3 won't gain critical mass.
>> 
>> If we have suggested that in the draft, we should change the text. Can you say where you got that feeling?
> 
> "However, the authors do not believe that any push to start using SHA-3 is warranted at any time soon."

We disagree that that sentence indicates "that the SHA-3 is an odd bifurcation in the SHA line".

--Paul Hoffman