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How many round keys are generated in the AES algorithm?

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How many round keys are generated in the AES algorithm?

(a) 11

(b) 10

(c) 8

(d) 12

The question was posed to me in a national level competition.

I'd like to ask this question from The AES Algorthm in chapter Advanced Encryption Algorithm and Block Cipher Operation of Cryptograph & Network Security

1 Answer

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Right choice is (a) 11

The explanation is: 11 round keys are generated. One for each of the 10 rounds and one of the initial permutations (Round 0).

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