Question: Alice and Bob use D-H Algorithm to share a key, where prime n=19 and its primitive root g=2. Then Alice sends X=2x=3 to Bob and

Alice and Bob use D-H Algorithm to share a key, where prime n=19 and its primitive root g=2. Then Alice sends X=2x=3 to Bob and Bob sends Y=2y=5 to Alice, compute the shared key.

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