Re: [Rats] Call for charter consensus

Carsten Bormann <cabo@tzi.org> Thu, 24 January 2019 16:54 UTC

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From: Carsten Bormann <cabo@tzi.org>
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Date: Thu, 24 Jan 2019 17:53:58 +0100
Cc: Carl Wallace <carl@redhoundsoftware.com>, "Nancy Cam-Winget (ncamwing)" <ncamwing@cisco.com>, "rats@ietf.org" <rats@ietf.org>
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To: Benjamin Kaduk <kaduk@MIT.EDU>
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Subject: Re: [Rats] Call for charter consensus
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On Jan 19, 2019, at 02:23, Benjamin Kaduk <kaduk@MIT.EDU> wrote:
> 
> On the one hand,
> there's the raw crypto bits of "this is what signature validation/MIC
> verification/etc. you have to do in order to get the cryptographic
> validation that key X generated data Y [at time Z]”,

I would call that “verification” (related to “authentication”).

> but once you've done
> that, the decision of verifying that Y and Z are something you find
> trustworthy to perform action W is not really something we can standardize.

I would call that “policy realization” (related to “authorization”).

> My understanding is that we plan to talk about the crypto but not, at least
> at first, what you do after confirming that the crypto has not been
> tampered with.

That is also my understanding: we enable verification, but we don’t do the policy.

Grüße, Carsten