(6.3) WPA2 and CCMP
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WPA2 and CCMP
CCMP security services • Data confidentiality, authentication, and access control
WPA2 and CCMP
CCMP block cipher mode • Uses AES for data confidentiality • 128-bit key and a 128-bit block size • Requires additional computing resources
WPA2 and CCMP
WPA2 certification began in 2004 • AES (Advanced Encryption Standard) replaced RC4 • CCMP (Counter Mode with Cipher Block Chaining Message Authentication Code Protocol) replaced TKIP