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CCMP uses which block cipher mode of operation?

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CCMP uses which block cipher mode of operation?

(a) OFB

(b) CFB

(c) CTR

(d) CBC

I had been asked this question in a job interview.

Query is from IEEE 802.11i WLAN Security topic in portion Wireless Network Security and Network Security Overview of Cryptograph & Network Security

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Best answer
Correct answer is (c) CTR

Explanation: CCMP uses the CTR mode of operation for AES encryption.

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