That depends on who you ask...marketing guys like bigger numbers and
therefore mean the 104+24 variant when they say 'WEP128'.
Engineers like to be precise and usually say 'WEP104' when they refer to
the 104+24 variant. Longer WEP key lengths are not mentioned in the
original 802.11 standard. If you look a bit closer into the 802.11i
document, you will find that the 104+24 variant is called 'WEP104'. By
the time 802.11i came out, 'WEP128' however already had become such a
widely accepted term that it is difficult to get out of people's heads -
though this marketing term is a major annoyance. We regularly had
customers who complained that they could only enter 104 bits of key data
for WEP128...
Atheros chips provide both variants (104+24 and 128+24), so it's probably
better to explicitly speak of '40 bit WEP keys' or '104 bit WEP keys' and
avoid the terms WEP64/128 where possible. I heard that some TI-based
cards even support WEP256 - whatever this means (256+24 or 232+24)...
Best regards
Alfred Arnold
--
Alfred Arnold E-Mail: alfred@ccac.rwth-aachen.de
Computer Club at the http://john.ccac.rwth-aachen.de:8000/alf/
Technical University Phone: +49-241-406526
of Aachen Fax: +49-241-406527
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