>>>>> "Dan" == Dan Harkins <[email protected]> writes:

    Dan>   Hi Alan,

    Dan> On Thu, June 24, 2010 5:20 am, Alan DeKok wrote:
    >> Glen Zorn wrote:
>> Alan DeKok [mailto:[email protected]] writes:
    >>>> The requirement to keep authentication credentials private,
    >>>> which is one of the reasons for choosing a TLS-based method in
    >>>> the first place.
    >>> 
    >>> Are you confused?  We're talking about being able to
    >>> authenticate the visited network, not tunnel method
    >>> requirements...
    >> 
    >> Your proposal authenticates the visited network, at the cost of
    >> exposing the users authentication credentials to the visited
    >> network, and to everyone else in the proxy chain.  This fails the
    >> privacy requirements of any TLS-based EAP method, and has nothing
    >> at all to do with the tunnel method requirements.

    Dan>   I may be missing something but the key shared by the client
    Dan> and the NAS is going to be known by the proxies in that chain
    Dan> so what sort of problem is being solved by applying these
    Dan> privacy requirements to proxies?
The MSK is a relatively short-term key.  The credentials that proxies
may be able to attack are long-term credentials.
So, I'm with Alan: the long-term credentials are more important than the
    Dan> MSK.
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