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Re: [kitten] Requesting WG adoption of several SCRAM related documents

Alexey Melnikov <alexey.melnikov@isode.com> Fri, 05 November 2021 15:50 UTC

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To: Dave Cridland <dave@cridland.net>
Cc: "kitten@ietf.org" <kitten@ietf.org>, Robbie Harwood <rharwood@redhat.com>
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From: Alexey Melnikov <alexey.melnikov@isode.com>
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Date: Fri, 05 Nov 2021 15:49:57 +0000
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Subject: Re: [kitten] Requesting WG adoption of several SCRAM related documents
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Dave,

On 05/11/2021 15:41, Dave Cridland wrote:
> The obvious downside of the approach we took is that it requires
> changes to the SASL profiles of the application protocols - this is
> certainly undesirable.

I like your approach of stacking mechanisms, but I fear this is going to 
be a multi-year approach to implement and deploy.

So yes, happy to work on this as well, but I am not happy to not work on 
simpler/quicker ways to deploy 2FA with SCRAM that can be done in a 
couple of months time.

> It could be side-stepped by providing a
> meta-mechanism, which in turn handled the enhanced exchange
> internally, but this is very much a compatibility layer and (I
> suspect) less efficient. In any case, XEP-0388 provides a better
> profile for XMPP for various unrelated reasons.

Best Regards,

Alexey

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