WEP
Wired Equivalent Privacy
The IEEE 802.11b WLAN (Wireless Local Area Network) standard incorporates a confidentiality and integrity provision called WEP. To protect the data, WEP uses the stream cipher RC4 from RSA Security Inc. There are two levels of WEP commonly available; one based on a 40bit encryption key and 24bit initialization vector (64bit encryption) and one based on a 104bit encryption key and 24bit initialization vector (128bit encryption).
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