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2002
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Using the Fluhrer, Mantin, and Shamir Attack to Break WEP

12 years 29 days ago
Using the Fluhrer, Mantin, and Shamir Attack to Break WEP
We implemented an attack against WEP, the link-layer security protocol for 802.11 networks. The attack was described in a recent paper by Fluhrer, Mantin, and Shamir. With our implementation, and permission of the network administrator, we were able to recover the 128 bit secret key used in a production network, with a passive attack. The WEP standard uses RC4 IVs improperly, and the attack exploits this design failure. This paper describes the attack, how we implemented it, and some optimizations to make the attack more efficient. We conclude that 802.11 WEP is totally insecure, and we provide some recommendations.
Adam Stubblefield, John Ioannidis, Aviel D. Rubin
Added 15 Jul 2010
Updated 15 Jul 2010
Type Conference
Year 2002
Where NDSS
Authors Adam Stubblefield, John Ioannidis, Aviel D. Rubin
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