Question: Assume that you have encrypted a message M using the El Gamal encryption scheme and get a ciphertext CT = ( C 1 , C

Assume that you have encrypted a message M using the El Gamal encryption scheme and get a ciphertext CT =(C1, C2)=(g^r, h^r * M) 'You are asked to prove that M = g^100 or M = g^200 without leaking any additional information.'

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