Consider the following 4-message protocol: 1. AS: (B, {(A, Consider the following 4-message protocol:1. A?S: (B, {(A, K1)}KpbS)2. S?B: A3. B?S: (A, {(B, K2)}KpbS)4. S?A: (B, {K2}K1) Which one of the following statements is true, at the end of the protocol, and with regards to The purpose of the protocol: a) Both A and B establish a session key K2, and B is sure of As identityb) Both A and B establish a session key K1, and B is sure of As identityc) Both A and B establish a session key K1, and A is sure of Bs identityd) Both A and B establish a session key K1, and both B and A are sure of each others identitye) Both A and B establish a session key K2, and A is sure of Bs identityf) Both A and B establish a session key K1g) Both A and B establish a session key K2h) Both A and B authenticate each other by knowing each others identitiesi) A ends up knowing Bs identityj) B ends up knowing As identityk) None of the abovel) All of the aboveComputer Science Engineering & Technology Information Security CYBERSECUR M32324
