Mobile - Wireless Communications White Papers

Wi-Fi Protected Access 2 Data Encryption and Integrity

• Tags:
• mobile - wireless communications,
• mode,
• integrity,
• ieee

Overview Wi-Fi Protected Access 2 (WPA2) is a product certification available through the Wi-Fi Alliance that certifies wireless equipment as being compatible with the IEEE 802.11i standard. The IEEE 802.11i standard formally replaces Wired Equivalent Privacy (WEP) in the original IEEE 802.11 standard with a specific mode of the Advanced Encryption Standard (AES) known as the Counter Mode Cipher Block Chaining-Message Authentication Code (CBC-MAC) protocol (CCMP). CCMP provides both data confidentiality (encryption) and data integrity. This paper describes the details of the WPA2 implementation of AES CCMP for encryption, decryption, and data integrity validation of 802.11 wireless frames.

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