Need help!! please explain — crypto math thank you!! 7. Alice and Bob use the ElGamal public key cryptosystem with p 19, and a 3. Bob chooses the secret x = 4, What is β? Alice sends the cipher...
Question1: Alice and Bob use the Diffie–Hellman key exchange technique with a common prime q = 1 5 7 and a primitive root a = 5. a. If Alice has a private key XA = 15, find her public key YA. b. If Bob has a private key XB = 27, find his public key YB. c. What is the shared secret key between Alice and Bob? Question2: Alice and Bob use the Diffie-Hellman key exchange technique with a common...