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Re: Help add strong crypto to AirPorts

daemon@ATHENA.MIT.EDU (William Allen Simpson)
Wed Jun 14 18:26:02 2000

Message-ID: <3947A446.9899A22D@greendragon.com>
Date: Wed, 14 Jun 2000 11:27:22 -0400
From: William Allen Simpson <wsimpson@greendragon.com>
MIME-Version: 1.0
To: Lucky Green <shamrock@cypherpunks.to>
Cc: "Cypherpunks@Openpgp. Net" <cypherpunks@openpgp.net>,
        "Cryptography@C2. Net" <cryptography@c2.net>
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Lucky Green wrote:
> 
> Apple is taking a customer survey which features to add to the next
> generation Apple AirPort (IEEE 802.11). The current version only does weak
> crypto. You can cast your vote for strong crypto here:
> 
> http://survey.apple.com/AirPort/
> 
I did, having actually tried it (iBooks only).  But, I was unable to add 
a Lucent card to my powerbook g3 (wallstreet), because it was impossible 
to run with security, and I won't run without it. 

The major problem was the setup of the key.  Apple has a special hash.  
Silly! 

But part of this is a problem with the Lucent design.  There is only one 
key for the entire network.  Evil.  There should be a separate key for 
each user (or card), probably based on the MAC address (the card address).

I've heard that there is a project to run PPPoE on top of 802.11, to give 
this per user capability.  That seems even sillier to me!

What's wrong with the design for IEEE ethernet security, that it cannot 
be used per user?

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