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GIAC Exam GSNA Topic 1 Question 33 Discussion
Topic #: 1
Fill in the blanks with the appropriate protocol.
CCMP (Counter Mode with Cipher Block Chaining Message Authentication Code Protocol) is an IEEE encryption protocol created
to replace both TKIP and WEP.
to replace both TKIP and WEP.
created to replace both TKIP, the mandatory protocol in WPA, and WEP, the earlier, insecure protocol. CCMP is a mandatory part of the WPA2
standard, an optional part of the WPA standard, and a required option for Robust Security Network (RSN) Compliant networks. CCMP is also
used in the ITU-T home and business networking standard.
CCMP, part of the 802.11i standard, uses the Advanced Encryption Standard (AES) algorithm. Unlike in TKIP, key management and message
integrity is handled by a single component built around AES using a 128-bit key, a 128-bit block, and 10 rounds of encoding per the FIPS 197
standard.
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