Describe the main characteristics of the shared key authentication method.
What will be an ideal response?
Shared key authentication is an authentication method in which the WEP default key is used. A wireless device sends a frame to the AP and the AP sends back a framethat contains a block of text known as the challenge text. The wireless device must encrypt the text with the default key and return it to the AP. The AP will then decrypt what was returned to see if it matches the original challenge text. If it does, the device is authenticated and allowed to become part of the network (known as association). Shared key authentication is based upon the fact that only pre-approved wireless devices are given the shared key.
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