- WPA2 uses a 32-bit WEP key for encryption.
- WPA2 allows the caching of key information.
- WPA2 uses static key management.
- WPA2 uses AES instead of TKIP.
Explanation: WPA2 uses the encryption algorithm AES (Advanced Encryption Standard) which is a stronger algorithm than WPA is, which uses TKIP (Temporal Key Integrity Protocol.) WPA was created to replace WEP (Wired Equivalent Privacy) which was easily compromised. However, the WPA TKIP had to take into account the older devices still using WEP on the network and as a result still had some of the WEP vulnerabilities. This was overcome with the creation of WPA2.
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