netdev - Re: [PATCH] PS3: gelic: Add wireless support for PS3

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Message-ID: <20071216234228.GQ5698@jm.kir.nu>
Date:	Sun, 16 Dec 2007 15:42:28 -0800
From:	Jouni Malinen <j@...fi>
To:	Dan Williams <dcbw@...hat.com>
Cc:	Masakazu Mokuno <mokuno@...sony.co.jp>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	geoffrey.levand@...sony.com,
	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
Subject: Re: [PATCH] PS3: gelic: Add wireless support for PS3

On Sun, Dec 16, 2007 at 06:10:10PM -0500, Dan Williams wrote:
> On Sun, 2007-12-16 at 10:11 -0800, Jouni Malinen wrote:
> > It is a new key type regardless of whether it is PSK or passphrase. The
> > current key types (IW_AUTH_CIPHER_*) are WEP40, TKIP, CCMP, and WEP104..

> Ah, it's a different key because it's not set _during_ the 4-way
> handshake, but just sent to the fw directly and the fw handles it,
> right?

There are two cases here, but in both of them, them PMK (i.e., PSK for
WPA-Personal) needs to be set just before the 4-way handshake would
start. When using WPA-Personal, the PSK would be set just before (or as
part of) association request. When using WPA-Enterprise (WPA-EAP), the
PMK would be set after having completed IEEE 802.1X/EAP authentication
(and the driver/firmware would then take care of 4-way handshake). Both
cases will end up disabling the user space supplicant from taking part
in 4-way handshake, i.e., it will ignore EAPOL-Key frames should they be
delivered through the netdev and expects the driver/firmware to process
them.

-- 
Jouni Malinen                                            PGP id EFC895FA
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