You are absolutely correct. The key generation thing is just a _product_
convenience. The standard only specifies how the keys themselves are
represented and used.

-M

On Sat, 21 Apr 2001, Leonard Ye wrote:

> Ok, some of my new understanding. The IEEE802.11 and IEE802.11b just
> specify how to encrypt data using the key that generated by the generation
> string, it simply don't care about what the string is. If you have the APs
> and STAs from the same company, then, you will be able to get the same key
> from the same string for both the AP and STA sides. Otherwise, there is no
> guarantee at all.
>
> Am I right?
>
> Happy weekend.
>
> Reards,
> Leonared Ye
>
> At 11:38 PM 4/20/2001, you wrote:
>
> >I have no idea how to fix this. The extension of nwepgen to 128 bits was
> >contributed by a user. This is the first confirmation I've received that
> >it doesn't work.
> >
> >-M
> >
> >
> >On Fri, 20 Apr 2001, Leonard Ye wrote:
> >
> > > Hi all,
> > >
> > > If I am not wrong, WEP algorithm is platform independent. Thus, the same
> > > generation string should generate the same set of keys for both windows OS
> > > and Linux OS. However, the test I have done shows that the same set of
> > > keys are generated at 64 bits, but not at 128 bits. Here is the detail.
> > >
> > > Generation String: test
> > >
> > > WEP program on linux: nwepgen on 0.1.8pre11. Its document says that it
> > > uses algorithm from Neesus Datacom Inc.
> > >
> > > WEP program on Windows: An application provided by Neesus Datacom Inc.
> > >
> > > At bit 64, both of them generate the same set of keys.
> > >
> > > At bit 128,
> > >
> > > linux generates:
> > > 1b:9d:da:48:3d:94:1e:41:48:d0:91:b3:cd
> > > f0:63:e3:8d:00:86:c9:31:55:05:13:3b:b7
> > > 97:6d:3d:c6:74:00:48:96:67:38:a8:9d:24
> > > cb:ce:cf:dd:f7:8e:07:10:0b:8b:a9:a3:28
> > >
> > > windows generates:
> > > Key 1: 9f:df:3b:fd:fb:10:af:eb:09:25:ef:96:05
> > > (the application only generates 1 key at 128-bit)
> > >
> > > Any hints here?
> > >
> > > Regards,
> > > Leonard Ye
> > >
> > > -----------------------------------------------
> > > The Linux WLAN User's Mailing List
> > > For more information about this list see:
> > > http://www.absoval.com/linux-wlan/lists.html
> > >
> >
> >--
> >
> >Mark S. Mathews
> >
> >AbsoluteValue Systems Web: http://www.linux-wlan.com
> >P.O. Box 410670 e-mail: marklinux-wlan.com
> >Melbourne, FL 32941-0670 Phone: 321.259.0737
> >USA Fax: 321.259.0286
> >
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> >For more information about this list see:
> >http://www.absoval.com/linux-wlan/lists.html
>
> -----------------------------------------------
> The Linux WLAN User's Mailing List
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> http://www.absoval.com/linux-wlan/lists.html
>

-- 
Mark S. Mathews
AbsoluteValue Systems      Web:    http://www.linux-wlan.com
P.O. Box 410670            e-mail: marklinux-wlan.com
Melbourne, FL 32941-0670   Phone:  321.259.0737
USA                        Fax:    321.259.0286
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