Re: [Emu] [saag] Fwd: New Version Notification for draft-aura-eap-noob-00.txt

[Mohit Sethi]

Hi Stefan

It is hard to have an exact number on how many "home" access points / 
integrated all-layer-devices do or do not support 802.1X. In many cases, 
support can be added to the APs with a software update if there is 
demand. We believe that given the benefits of this solution and the 
added security, the deployment of such NAS would increase in general.


/--Mohit

PS: Let's keep the future discussion for this draft on the SAAG mailing 
list for now.


On 02/19/2016 09:31 AM, Stefan Winter wrote:

Hi,


Of course, the benefits of EAP-NOOB will be greater in organizations which 
already use 802.1X authentication and which have larger numbers of IoT devices 
than a single home.

Particularly because many "home" access points / integrated
all-layer-devices do not support 802.1X so do not qualify as a NAS.

Which is unfortunate and yes it would be great to have 802.1X NASes
everywhere. :-) But for your scenario, it's a significant limitation if
you exclude a large percentage of homes.

(I don't dare make up any real percentage numbers; I'm sure this varies
a lot per country and per operator)

Greetings,

Stefan Winter



Anything else that we need to address?

Tuomas



-Original Message-
From: Josh Howlett [mailto:josh.howl...@jisc.ac.uk]
Sent: Thursday, 18 February, 2016 19:28
To: Mohit Sethi ; s...@ietf.org; emu@ietf.org
Cc: Aura Tuomas 
Subject: RE: [saag] Fwd: New Version Notification for draft-aura-eap-noob-00.txt

Hi Mohit,

This is an interesting draft, but I'm struggling to understand how this would 
be deployed in the consumer settings that the document alludes to. For example, 
who do you anticipate will be operating the NAS (the consumer?), AAA server 
(the vendor?), and the AAA fabric between these actors?

Josh.


-Original Message-
From: saag [mailto:saag-boun...@ietf.org] On Behalf Of Mohit Sethi
Sent: 08 February 2016 15:34
To: s...@ietf.org; emu@ietf.org
Cc: tuomas.a...@aalto.fi
Subject: [saag] Fwd: New Version Notification for
draft-aura-eap-noob-00.txt

Dear all

We have just submitted a new IETF Draft titled “Nimble out-of-band
authentication for EAP (EAP-NOOB)”.

The draft defines an EAP method where the authentication is based on a
user-assisted out-of-band (OOB) channel between the server and peer.
It is intended as a generic bootstrapping solution for
Internet-of-Things devices which have no pre-configured authentication
credentials and which are not yet registered on the authentication
server. Consider devices you just bought or borrowed.

The EAP-NOOB method is more generic than most ad-hoc bootstrapping
solutions in that it supports many types of OOB channels. We specify
the exact in-band messages but only the OOB message contents and not
the OOB channel details. Also, EAP-NOOB supports ubicomp devices with
only output (e.g. display) or only input (e.g. camera). Moreover, it
makes combined use of both secrecy and integrity of the OOB channel
for more robust security than the ad-hoc solutions. We have put a lot
of effort into designing a robust security protocol.

For one application example, we have used an earlier version of the
protocol for bootstrapping security for ubiquitous displays: the user
can configure wireless network access, link the device to a cloud
service, and register ownership of the device for a specific cloud
user – all in one simple step of scanning a QR code with a smart
phone. There seemed to more potential to this idea than just using it
for our own system, and thus we decided to write a generic EAP method for 
out-of-band authentication.

The draft is available here:
https://tools.ietf.org/html/draft-aura-eap-noob-00

Please see if you can make use of it. We look forward to your feedback
and comments.

Regards
/--Mohit


 Forwarded Message 
Subject:New Version Notification for draft-aura-eap-noob-00.txt
Date:   Mon, 08 Feb 2016 04:30:35 -0800
From:   internet-dra...@ietf.org
To: Tuomas Aura , Mohit Sethi




A new version of I-D, draft-aura-eap-noob-00.txt has been successfully
submitted by Tuomas Aura and posted to the IETF repository.

Name:   draft-aura-eap-noob
Revision:   00
Title:  Nimble out-of-band authentication for EAP (EAP-NOOB)
Document date:  2016-02-08
Group:  Individual Submission
Pages:  35
URL:https://www.ietf.org/internet-drafts/draft-aura-eap-noob-00.txt
Status:https://datatracker.ietf.org/doc/draft-aura-eap-noob/
Htmlized:https://tools.ietf.org/html/draft-aura-eap-noob-00


Abstract:
 Extensible Authentication Protocol (EAP) [RFC3748] provides support
 for multiple authentication methods.  This document defines the EAP-
 NOOB authentication method for nimble out-of-band (OOB)
 authentication and key derivation.  This EAP method is intended for
 bootstrapping all kinds of Internet-of-Things (IoT) devices that have
 a minimal user interface 

Re: [Emu] [saag] Fwd: New Version Notification for draft-aura-eap-noob-00.txt

[Aura Tuomas]

Hi Josh,

Good observation; we may need to be clearer about the intended usage scenarios 
for EAP-NOOB.

In the home setting, the AAA server would typically be a cloud-based service, 
where the consumer can register a user account. This does require the 802.1X 
authentication (i.e. WPA2-Enterprise) to be configured at the home NAS, so that 
authentication for "@eap-noob.net" is forwarded to the cloud-based AAA server. 
You only need to configure the NAS once, and all future devices can be 
connected without touching the NAS.

This is a change from the way home wireless routers are configured today. We 
think that, as the number of IoT devices grows, configuring them with a shared 
passphrase will be too inconvenient. Obviously, the shared passphrase is also 
vulnerable to a single untrusted IoT device that may leak the passphrase, and 
using EAP helps to isolate the devices. 

Of course, the benefits of EAP-NOOB will be greater in organizations which 
already use 802.1X authentication and which have larger numbers of IoT devices 
than a single home. 

Anything else that we need to address?

Tuomas



-Original Message-
From: Josh Howlett [mailto:josh.howl...@jisc.ac.uk] 
Sent: Thursday, 18 February, 2016 19:28
To: Mohit Sethi ; s...@ietf.org; emu@ietf.org
Cc: Aura Tuomas 
Subject: RE: [saag] Fwd: New Version Notification for draft-aura-eap-noob-00.txt

Hi Mohit,

This is an interesting draft, but I'm struggling to understand how this would 
be deployed in the consumer settings that the document alludes to. For example, 
who do you anticipate will be operating the NAS (the consumer?), AAA server 
(the vendor?), and the AAA fabric between these actors?

Josh.

> -Original Message-
> From: saag [mailto:saag-boun...@ietf.org] On Behalf Of Mohit Sethi
> Sent: 08 February 2016 15:34
> To: s...@ietf.org; emu@ietf.org
> Cc: tuomas.a...@aalto.fi
> Subject: [saag] Fwd: New Version Notification for 
> draft-aura-eap-noob-00.txt
> 
> Dear all
> 
> We have just submitted a new IETF Draft titled “Nimble out-of-band 
> authentication for EAP (EAP-NOOB)”.
> 
> The draft defines an EAP method where the authentication is based on a 
> user-assisted out-of-band (OOB) channel between the server and peer. 
> It is intended as a generic bootstrapping solution for 
> Internet-of-Things devices which have no pre-configured authentication 
> credentials and which are not yet registered on the authentication 
> server. Consider devices you just bought or borrowed.
> 
> The EAP-NOOB method is more generic than most ad-hoc bootstrapping 
> solutions in that it supports many types of OOB channels. We specify 
> the exact in-band messages but only the OOB message contents and not 
> the OOB channel details. Also, EAP-NOOB supports ubicomp devices with 
> only output (e.g. display) or only input (e.g. camera). Moreover, it 
> makes combined use of both secrecy and integrity of the OOB channel 
> for more robust security than the ad-hoc solutions. We have put a lot 
> of effort into designing a robust security protocol.
> 
> For one application example, we have used an earlier version of the 
> protocol for bootstrapping security for ubiquitous displays: the user 
> can configure wireless network access, link the device to a cloud 
> service, and register ownership of the device for a specific cloud 
> user – all in one simple step of scanning a QR code with a smart 
> phone. There seemed to more potential to this idea than just using it 
> for our own system, and thus we decided to write a generic EAP method for 
> out-of-band authentication.
> 
> The draft is available here:
> https://tools.ietf.org/html/draft-aura-eap-noob-00
> 
> Please see if you can make use of it. We look forward to your feedback 
> and comments.
> 
> Regards
> /--Mohit
> 
> 
>  Forwarded Message 
> Subject:  New Version Notification for draft-aura-eap-noob-00.txt
> Date: Mon, 08 Feb 2016 04:30:35 -0800
> From: internet-dra...@ietf.org
> To:   Tuomas Aura , Mohit Sethi
> 
> 
> 
> 
> A new version of I-D, draft-aura-eap-noob-00.txt has been successfully 
> submitted by Tuomas Aura and posted to the IETF repository.
> 
> Name: draft-aura-eap-noob
> Revision: 00
> Title:Nimble out-of-band authentication for EAP (EAP-NOOB)
> Document date:2016-02-08
> Group:Individual Submission
> Pages:35
> URL:https://www.ietf.org/internet-drafts/draft-aura-eap-noob-00.txt
> Status:https://datatracker.ietf.org/doc/draft-aura-eap-noob/
> Htmlized:https://tools.ietf.org/html/draft-aura-eap-noob-00
> 
> 
> Abstract:
> Extensible Authentication Protocol (EAP) [RFC3748] provides support
> for multiple authentication methods.  This document defines the EAP-
> NOOB authentication method for nimble out-of-band (OOB)
> authentication and key derivation.  This EAP method