Question: Entities A and B apply the Diffie - Hellman key exchange technique with a common prime p = 9 7 and a primitive root r

Entities A and B apply the Diffie-Hellman key exchange technique with a common prime p=97 and a primitive root r=5. User A picks a secret private number a=7, and user B has secret private number b=3. Determine the shared secret key of both users.

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