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Which mode of operation is used in the DAA?

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in Cryptograph & Network Security by (60.1k points)
Which mode of operation is used in the DAA?

(a) output feedback mode

(b) electronic code block mode

(c) cipher block chaining mode

(d) cipher feedback mode

This question was posed to me by my college professor while I was bunking the class.

The doubt is from HMAC, DAA and CMAC topic in chapter Message Authentication Codes, Whirlpool Algorithm and Key Management and Distribution of Cryptograph & Network Security

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Best answer
The correct answer is (c) cipher block chaining mode

Best explanation: The DAA is an algorithm based on the DES cipher block chaining mode.

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