Chapter 8: Problem 7 Previous Problem Problem List Next Problem (1 point) Alice and Bob are using the ElGamal cipher with the parameters p = 83 and a = - 2. Their parameters are small and we decide to crack the cipher. = 75 and Bob sends public key Suppose Alice is observed sending public ephemeral key ke B = 51. Alice is observed transmitting the ciphertext y = 62. = a) What is the masking key km? b) What is the plaintext