Just dreaming: different WEP keys per client
Andrea G. Forte
andreaf
Mon Apr 26 07:57:40 PDT 2004
How long does it take for the association process to succeed, by using
this authentication method?
Thanks a lot,
Andrea
On Fri, 23 Apr 2004, Chris Evans wrote:
>
> On Apr 22, 2004, at 11:42 PM, Konstantin Klubnichkin wrote:
>
> > Hello people!
> >
> > I was dreaming last evening about per client WEP encryption.
> > As far as I understand (please correct me) there are 2 ways to
> > encrypt/decrypt data - in firmware and in hostapd.
> >
> > In case we use second way it's may be interesting to implement such
> > feature.
> >
> > I thought about it in a scope of public WiFi cafe. When client gets
> > (buys) account information (login/password) and wants to encrypt
> > his/her traffic we also give him WEP key. The problem is - once you
> > know WEP key of one client - you know WEP key for whole network.
> > It's allmost impossible to force client to use WPA-PSK because of
> > complexity of the process. Moreover once "bad guy" gets passphrase he
> > can decrypt all WiFi traffic in our network.
> >
> > Any ideas?
>
> I think 802.1x can do this. I think the system I have set up for my
> work uses x509 certificates to authenticate, and each station gets a
> different WEP key, and furthermore every 5 minutes the WEP changes.
> --
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> _.-| | |\__/,| (`\ | Chris Evans
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> "-.|___| _.( T ) ` / | cwevans at acm.org
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> .+|______|__.-||__)`-'(((/ (((/ | "Any technology distinguishable
> | from magic, is not advanced
> Nika plays with a computer mouse | enough" -- Gregory Benford
> BY: Mike Rosulek |
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