Hi all,
I just posted an update of the draft for BRSKI-AE.
Besides the already addressed approach using authenticated self-contained
objects (signed objects) during the enrollment to address situations in which
no direct connectivity to a PKI is available, a second approach is described.
This approach targets situations in which the pledge is not able to talk to the
domain registrar directly. This may be the case if a different protocol stack
is used on the pledge or if there is no direct network connectivity. The draft
introduces a pledge agent, which may be part of a commissioning tool. To
perform the onboarding the concept of authenticated self-contained objects is
leveraged.
The draft has already been presented in the last IETF meetings. The authors
think that based on its current state it would be ready for a call to WG
adoption during the next meeting. We plan to ask for a presentation slot in the
agenda for discussing the draft.
Best regards
Steffen
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Sent: Freitag, 6. März 2020 14:57
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Subject: I-D Action: draft-fries-anima-brski-async-enroll-03.txt
A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Support of asynchronous Enrollment in BRSKI
Authors : Steffen Fries
Hendrik Brockhaus
Eliot Lear
Filename : draft-fries-anima-brski-async-enroll-03.txt
Pages : 33
Date : 2020-03-06
Abstract:
This document discusses enhancements of bootstrapping of a remote
secure key infrastructure (BRSKI) to also operate in domains
featuring no or only timely limited connectivity to backend services
offering enrollment functionality, specifically a Public Key
Infrastructure (PKI). The enhancements proposed to enable this are
also applied to further set of use cases in which a pledge may not
have a direct connection to the registrar and is served by for
instance by a commissioning tool as an agent providing registrar
connectivity. In the context of deploying new devices the design of
BRSKI allows for online (synchronous object exchange) and offline
interactions (asynchronous object exchange) with a manufacturer's
authorization service. For this it utilizes an authenticated self-
contained voucher to transport the domain credentials as a signed
object to establish an initial trust between a pledge and the target
deployment domain. The currently supported enrollment protocol for
request and distribution of deployment domain specific device
certificates provides only limited support for asynchronous PKI
interactions. This memo motivates the enhancement of supporting
authenticated self-contained objects for certificate management by
using an abstract notation. The enhancement allows on one hand off-
site operation of PKI services outside the deployment domain of the
pledge. This addresses specifically scenarios, in which the final
authorization of a certification request of a pledge cannot be made
in the deployment domain and is therefore delegated to a operator
backend. On the other hand, this enhancement also facilitates the
exchange of certificate management information via a pledge agent.
The goal is to enable the usage of existing and potentially new PKI
protocols supporting authenticated self-containment for certificate
management exchanges.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-fries-anima-brski-async-enroll/
There are also htmlized versions available at:
https://tools.ietf.org/html/draft-fries-anima-brski-async-enroll-03
https://datatracker.ietf.org/doc/html/draft-fries-anima-brski-async-enroll-03
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-fries-anima-brski-async-enroll-03
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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