Did some more reading... The other bits are internal to the WEP Protocol...
(they provide a dynamically public part for the overall encryption) so now I
have an encrypted network (suitable for now.. at least until I get & install
the upgrade to WPA for my router)
Thanks everyone!
"Bruce" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed) om...
> The reason is that WEP only actually uses 104 bits for the encryption
> key when you select 128bit encryption. The other 24 bits (=3
> characters) are used for other stuff (not sure what but not
> encryption). So if you are asked for a ASCII key for 128bit just enter
> 13 characters (not 16) on both the WAP and the client PC. Let us know
> how you get on.
>
> Thanks,
>
> Bruce.
>
>
>
>
> "Tony Coyle" <(E-Mail Removed)> wrote in message
news:<bpbgqf$h42$(E-Mail Removed)>...
> > Not exactly sure HOW this could be the same...
> >
> > I sure don't know how to create a 64 bit key that is identical to a 40
bit
> > key....
> >
> > or do I just ignore 24 bits (3 characters)... if so - which three?
> >
> > hopefully, not the first three 
> >
> > THANKS
> >
> > "ian" <(E-Mail Removed)> wrote in message
> > news:bp2f0s$31a$(E-Mail Removed)...
> >
> > <CLIPPED>
> > > > Problem: XP wants WEP network keys of 40 or 104 bits... but the USR
> > config
> > > > wants to create 64, 128, or 256 bits.
> >
> > > 40 = 64
> > > 104=128
> > >
> > > difference relates to overheads in the system - select 40 on one and
64 on
> > > the other and it should work fine!
> > >
> > > HTH
> > > Ian
> > >
> > >