Re: [Anima] last minute changes to BRSKI to do endpoint discovery

"Brockhaus, Hendrik" <hendrik.brockhaus@siemens.com> Wed, 22 July 2020 07:59 UTC

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From: "Brockhaus, Hendrik" <hendrik.brockhaus@siemens.com>
To: Michael Richardson <mcr+ietf@sandelman.ca>, "anima@ietf.org" <anima@ietf.org>
CC: "steffen.fries@siemens.com" <steffen.fries@siemens.com>, max pritikin <pritikin@cisco.com>, Eliot Lear <lear@cisco.com>
Thread-Topic: last minute changes to BRSKI to do endpoint discovery
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Date: Wed, 22 Jul 2020 07:59:22 +0000
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Subject: Re: [Anima] last minute changes to BRSKI to do endpoint discovery
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> Von: Michael Richardson <mcr+ietf@sandelman.ca>
> 
> 
> The BRSKI-AE authors have suggested that in order to make BRSKI more easily
> extendable that prior to using the /.well-known/est end points (both RFC7030
> ones and bootstrapping-keyinfra ones), that the pledge should ask for /.well-
> known/brski, to get back a list.
> 
> The thread ending at
> https://mailarchive.ietf.org/arch/msg/anima/MQkNXJJjMkP0nqKlNEaxDZ94RgI
> alludes to this, but the current -03 document does not include this proposal,
> because it would need to go into BRSKI itself.

I would appreciate to use /.well-known/brski for the endpoints specified in BRSKI and use /.well-known/est for those specified in RFC7030.
This offers more flexibility for future extensions like BSKI-AE.

- Hendrik

> 
>    REQ: GET /.well-known/brski
> 
>    RES: Content-Type: application/link-format   {see RFC6690}
>      </brski/voucherrequest>,ct=voucher-cms+json
>      </brski/voucher_status>,ct=json
>      </brski/requestauditlog>,ct=json
>      </brski/enrollstatus>,ct=json
> 
>      </est/cacerts>;ct=pkcs7-mime
>      </est/cacerts>;ct=pkcs7-mime
>      </est/simpleenroll>;ct=pkcs7-mime
>      </est/simplereenroll>;ct=pkcs7-mime
>      </est/fullcmc>;ct=pkcs7-mime
>      </est/serverkeygen>;ct= pkcs7-mime
>      </est/csrattrs>;ct=pkcs7-mime
> 
>       </cmp/initialization>;ct=pkixcmp
>      </cmp/certification>;ct=pkixcmp
>      </cmp/keyupdate>;ct=pkixcmp
>      </cmp/p10>;ct=pkixcmp
>      </cmp/getCAcert>;ct=pkixcmp
>      </cmp/getCSRparam>;ct=pkixcmp
> 
> This is already done in draft-ietf-ace-coap-est-18, BTW.
> But, it asks /.well-known/core?rt=ace.est rather than /.well-known/brski.
> 
> At this point, we are waiting for ACP document to be approved by the IESG.
> Assuming that our AD was amenable, I think that this could be snuck in before
> ACP is approved.   This email does not include my opinion, as it has not yet
> been formed.
> 
> --
> Michael Richardson <mcr+IETF@sandelman.ca>ca>, Sandelman Software Works  -
> = IPv6 IoT consulting =-