This is a discussion on Re: FreeBSD Security Advisory FreeBSD-SA-03:09.signal - FreeBSD ; At 10:31 AM +0100 2003/08/13, Paul Robinson wrote: > Great, so I send you 10Mb of WEP traffic caught off the air, you > can decrypt it for me? You see, to me it's just a big mess of > ...
At 10:31 AM +0100 2003/08/13, Paul Robinson wrote:
> Great, so I send you 10Mb of WEP traffic caught off the air, you
> can decrypt it for me? You see, to me it's just a big mess of
> encrypted traffic, but you obviously have some secret technique
> (or should that be "t3kni|<" ?) for breaking it trivially. If
> you can't, you've just shown it has some security advantage. Which
> it has.
Given the weak 24-bit IV that is common to both 64-bit and
128-bit WEP, and the way this IV is frequently used, it should be
pretty easy to crack. Just a few hours near a busy wireless access
point is usually more than enough.
If you really do have 10MB of WEP traffic, odds are that's got
enough information to be useful.
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
-Benjamin Franklin, Historical Review of Pennsylvania.
GCS/IT d+(-) s:+(++)>: a C++(+++)$ UMBSHI++++$ P+>++ L+ !E-(---) W+++(--) N+
!w--- O- M++ V PS++(+++) PE- Y+(++) PGP>+++ t+(+++) 5++(+++) X++(+++) R+(+++)
tv+(+++) b+(++++) DI+(++++) D+(++) G+(++++) e++>++++ h--- r---(+++)* z(+++)
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