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Re: [MEXT] Well-known problem with authentication/etc. in wireless networks

<Basavaraj.Patil@nokia.com> Thu, 25 August 2011 20:23 UTC

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From: <Basavaraj.Patil@nokia.com>
To: <mccap@petoni.org>
Thread-Topic: [MEXT] Re: Well-known problem with authentication/etc. in wireless networks
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Date: Thu, 25 Aug 2011 20:24:59 +0000
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Cc: charliep@computer.org, mext@ietf.org
Subject: Re: [MEXT] Well-known problem with authentication/etc. in wireless networks
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On 8/25/11 3:15 PM, "ext Pete McCann" <mccap@petoni.org> wrote:

>On Thu, Aug 25, 2011 at 4:05 PM,  <Basavaraj.Patil@nokia.com> wrote:
>>
>> That¹s a good summarization Pete.
>> But we do multiple authentications today.
>> We do access authentication (1) and then we have to authenticate with
>>the
>> HA yet again in (3).
>> That could be optimized.
>
>Indeed.  It should be possible to borrow some keying material from (1)
>to create an SA with an HA.  And you wouldn't necessarily use that SA
>until you moved away from the initial point of attachment.
>
>-Pete

I don’t know Charlie's thoughts regarding EAP.
But if EAP is used in access authentication, then it could potentially
provide keying and bootstrapping material to the MN during the access
authentication phase. The SA with the assigned HA is then setup using that
keying material.

-Raj

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