Mobility

Wired Equivalent Privacy (WEP) Functionality, Weak Points, Attacks

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Executive Summary

Wired Equivalent Privacy (WEP) is part of the IEEE 802.11 standard. It was introduced in the first revision of the document in 1999. WEP was supposed to provide confidentiality for messages passed between authorized users in IEEE 802.11 compatible networks. Today WEP is not state of the art anymore. There is a number of commonly known attacks against it and more sophisticated methods have been introduced to provide security in wireless networks. Never the less WEP is still in use by a large number of mainly private operated networks. Additionally it is a nice example of protocol miss-design and its consequences.

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