It is important that both the private key and the public key in the Diffie Hellm

Question

It is important that both the private key and the public key in the Diffie Hellman method are randomly selected, and are completely independent of each other.

Choose correct answer

a) The private and public keys are independent of each other, but both are primes -- not randomly selected, and their mutliplication (public key times the private key) is fully exposed.

b) Both keys are selected randomly, but they are dependent on each other through the modular logarithm formula.

c) correct

d) Only the private key is randomly selected, the public key is not, it is computed from the private key.

Explanation / Answer

The answer is

(b) Both keys are selected randomly, but they are dependent on each other through the modular logarithm formula.

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