Subject: Re: wi(4) and WEP on NetBSD 4.0
To: None <tech-net@NetBSD.org>
From: David Young <firstname.lastname@example.org>
Date: 11/26/2007 17:07:47
On Mon, Nov 26, 2007 at 05:44:31PM +0100, Quentin Garnier wrote:
> On Mon, Nov 26, 2007 at 10:24:27AM -0600, David Young wrote:
> > On Mon, Nov 26, 2007 at 05:16:57PM +0100, Quentin Garnier wrote:
> > > On Mon, Nov 26, 2007 at 10:13:05AM -0600, David Young wrote:
> > > > Crypto works differently on wi in hostap mode than otherwise: as you
> > > > mention below, Tx WEP is broken, Rx WEP works, and net80211 is not
> > > > especially accommodating of that asymmetry.
> > >
> > > Yes but my point here is that it seems to me that the RX bug should
> > > happen in modes other than hostap. I don't see anything specific to
> > > hostap in that code path.
> > I am guessing that in other modes, the NIC decapsulates WEP frames after
> > decrypting, and it also strips the WEP flag.
> But then _F_DROPUNENC would fire just the same way, wouldn't it?
You're right. However, wi contains a grotty workaround.
David Young OJC Technologies
email@example.com Urbana, IL * (217) 278-3933 ext 24