802.11Authentication Open System Steps
1)Authentication request sent to AP
2) AP authenticates
3) Client connects to network
Client attempting to connect
Access Point (AP)
FVM318
Cable or
DLS modem
1.
2.The
3. | The station uses | and |
| sends the encrypted |
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4. | The access point decrypts the |
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| to the station’s default key. The |
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| challenge text. If the decrypted text matches | point |
| and the station share the same WEP Key and the |
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5.The station connects to the network.
If the decrypted text does not match the original challenge text (i.e., the a | do |
not share the same WEP Key), then the access point will refuse to authenticate | the |
station will be unable to communicate with either the 802.11 network or Ethernet |
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This process is illustrated in below. |
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Wireless Networking Basics |