Data Communication and Computer Networks - Computer Network

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46. Which of the following is not a part of round 10 in AES-128?

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Option : C
Explanation :

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47. Let g be a primitive root of the finite field F_p and y, z be a non-zero element of F_p and x ∈ F_p.
Discrete Logarithm Problem (DLP) is to find _____

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Option : A
Explanation :

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48. Suppose Alice and Bob use the Diffie-Hellman Key exchange technique with a common prime p = 23 and a primitive root g = 7. If Alice chooses the secret key a = 3 and Bob chooses the secret key b = 6, then the common secret key shared between Alice and Bob is ____

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Option : A
Explanation :

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49. The number of primitive roots in the group G = (Z₁₇^*, X) is ______

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Option : A
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50. If 4 ≡ 3^x(mod 7), then the value of x is _______

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Option : D
Explanation :

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