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The Round Constant is dependent on the s-box values.

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in Cryptograph & Network Security by (60.0k points)
The Round Constant is dependent on the s-box values.

(a) True

(b) False

I have been asked this question in exam.

My doubt stems from Whirlpool Algorithm topic in division Message Authentication Codes, Whirlpool Algorithm and Key Management and Distribution of Cryptograph & Network Security

1 Answer

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Correct option is (a) True

Easiest explanation: The Round Constant is given by S[8(r-1)+j] where S is the s-box permutation.

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