From the course: Wireless Networking Essential Training
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Wired Equivalent Privacy (WEP)
From the course: Wireless Networking Essential Training
Wired Equivalent Privacy (WEP)
- Built into the original 802.11 standard was a security feature called WEP. And WEP stands for Wired Equivalent Privacy. And the name implies that WEP gives your wireless communication the same privacy that you would have with a wired communication link. And that's not true, at all. Let's take a look at some of the characteristics of Wired Equivalent Privacy. First, it was part of the original 802.11 standard, so it's been around for a while. And it uses the RC4 encryption algorithm. But it's really how that encryption algorithm is implemented that makes WEP so weak. Here's what's going on. With the RC4 encryption algorithm, we use something called an initialization vector, or IV for short. And this IV is combined with the shared secret key that we configure on our access point, and our wireless clients. And that's applied to the string of data we want to encrypt, and the resulting encrypted string of data is…
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