WEP

CWNA Summary Notes: Legacy 802.11 Security | Static WEP Encryption

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Static WEP Encryption

This is a layer 2 encryption method using RC4 streaming cipher.

Main goals of WEP Encryption were:

  • Confidentiality (Data privacy through encryption)
  • Access Control ( Authorization if static WEP keys match)
  • Data Integrity ( Data Integrity Check-sum is computed before encryption to ensure that the data has not been tampered with)

Can be entered as a hex (0 – 9) or ASCII (A – F) characters.

Static WEP Encryption was on 2 forms: Read the rest of this entry »

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CWNA Summary Notes: Legacy 802.11 Security | Legacy Authentication

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Legacy Authentication

Legacy authentication methods were more of an authentication of capability (verification between two devices that they were valid 802.11 devices) and not so much an authentication of user identity.

They are of two types: Read the rest of this entry »