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

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Message-ID: <20071216181159.GP5698@jm.kir.nu>
Date:	Sun, 16 Dec 2007 10:11:59 -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 12:49:14PM -0500, Dan Williams wrote:

> Yeah, I was going to propose that on Friday but got side-tracked.  What
> would require a new key type?  Are there some firmwares that _only_
> accept the WPA passphrase?  Because if there aren't (PS3 accepts WPA hex
> keys too) then the supplicant could just pass the hex key.  Not quite
> sure what you mean here with "new key type".

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..

I don't know whether there are any Linux drivers that would use WPA
passphrase, but at least the Mac OS X driver interface seems to only use
passphrase for WPA-Personal, so it is apparently possible to design such
a architecture ;-). Anyway, I would be fine with just adding
IW_AUTH_CIPHER_PMK for now (and the new capability to figure out whether
this is needed). That PMK would be PSK for WPA-Personal, but it could
also be used as PMK for WPA-Enterprise, so the more generic PMK name.

-- 
Jouni Malinen                                            PGP id EFC895FA
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