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Re: [openpgp] [PATCH] RFC4880bis: Argon2i

Daniel Kahn Gillmor <dkg@fifthhorseman.net> Tue, 03 November 2015 04:44 UTC

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From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
To: ianG <iang@iang.org>, openpgp@ietf.org
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Date: Tue, 03 Nov 2015 13:43:59 +0900
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Subject: Re: [openpgp] [PATCH] RFC4880bis: Argon2i
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On Tue 2015-11-03 12:52:16 +0900, ianG wrote:
> On 3/11/2015 01:20 am, Daniel Kahn Gillmor wrote:
>> If we introduce this as a normative dependency for OpenPGP,
>
> I agree with all the rest, but can we also deprecate some old stuff as well?

Ian's proposed change actually does deprecate some old stuff.  Maybe it
doesn't go far enough, though.

> Can we construct a plan e.g., that no existing S2K be used with new keys 
> and the new form not be used with old keys?
>
> Or *something* to avoid the monotonically increasing algorithmic bloat 
> that seems so trendy.

Yes, we'll be talking about algorithm deprecation at the meeting later
today.

        --dkg

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