Re: [Anima] Shepherd review draft-ietf-anima-bootstrapping-keyinfra-09

Toerless Eckert <tte@cs.fau.de> Tue, 20 February 2018 22:04 UTC

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Date: Tue, 20 Feb 2018 23:04:26 +0100
From: Toerless Eckert <tte@cs.fau.de>
To: Michael Richardson <mcr+ietf@sandelman.ca>
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References: <20180214010910.GA27823@faui40p.informatik.uni-erlangen.de> <11878.1518662730@obiwan.sandelman.ca> <89C98637-ACD2-423A-A8C4-52191C35FA53@cisco.com> <19137.1519158417@obiwan.sandelman.ca>
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Subject: Re: [Anima] Shepherd review draft-ietf-anima-bootstrapping-keyinfra-09
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I always welcome, support and root for removal, avoidance and rephrasing of
redundant, unnecessary, confusing, contradicting or otherwise irritating words,
sentences, phrases or other elements of IETF drafts.

I just reserve the right to be pretty bad at it myself, given how i was raised
with a language that is defective in this regard. See also:

https://www.cs.utah.edu/~gback/awfgrmlg.html

Cheers
    Toerless

On Tue, Feb 20, 2018 at 03:26:57PM -0500, Michael Richardson wrote:
> 
> Max Pritikin (pritikin) <pritikin@cisco.com> wrote:
>     >>> b)  Key infrastructure
>     >> 
>     >>> There  is no definition/reference for this term.  Please describe on
>     >>> first use and in terminology.  Is there a difference
>     >>> between "key infrastructure" and  "keying material" ? If not, then
>     >>> maybe remove one term otherwise pls. describe difference.
>     >> 
>     >> The term is in the title and in section 1.
>     >> And you are right that it does not appear again, nor is it defined.
>     >> I think it generally refers to the mechanism of PKI, but I'm not sure what to do.
> 
>     > An ???infrastructure??? is the basic entities and protocols necessary for
>     > the operations of key management. I think it comes from the common
>     > language term and can???t find a normative definition within IETF
>     > document. As a native english speaker who has used the concept in IETF
>     > interactions for eons it feels silly to try and define it. Odd.
> 
> The words "keying material" is used in the "Other Bootstrapping Approaches"
> only.  In that paragraph, it refers to some "other" stuff... I'm loath to
> boil the ocean to define what we aren't doing...
> 
> I suggest the insertion of the marked text:
> 
>         without external help is also an impossibility. Today it is commonly
>         accepted that the initial connections between nodes are insecure, until
>         key distribution is complete, or that domain-specific keying material
> *new*   (often pre-shared keys, including mechanisms like SIM cards)
>         is pre-provisioned on each new device in a costly and non-scalable
>         manner. Existing mechanisms are known as non-secured 'Trust on
> 
> Now, to the term Key Infrastructure:
> 
>             <t hangText="(Public) Key Infrastructure:"> The collection of systems and
>             processes that sustain the activities of a public key system.
>             In an ANIMA Autonomic system, this includes a Domain
>             Certification Authority (CA), (Join) Registrar which acts as an
>             <xref target="RFC5280" /> Registrar, as well as appropriate
>             certificate revocation list (CRL) distribution points and/or OCSP
>             (<xref target="RFC6960" />) servers.</t>
> 
> I note that RFC6960 doesn't bother to define Key Infrastructure at all, or
> even use the term except in the title...
> 
> -- 
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
>  -= IPv6 IoT consulting =-
> 
> 
> 



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