Consider a cipher that has three keys, three plaintexts, and four ciphertexts that are combined…

Consider a cipher that has three keys, three plaintexts, and four ciphertexts that are combined using the following encryption table (table 2): Suppose further that the plaintexts and keys are used with the following probabilities: f(m1) = f(m2) = 2 5 ; f(m3) = 1 5 f(k1) = f(k2) = f(k3) = 1 3 . Does the above cryptosystem has perfect secrecy?