5. (2 points) Tampering message is an attack of 6. (3 points). What would the output be for the S4 box for each one of the following binary input 110010. The S4 box is given in the figure below. 7 13 14 3 0 6910 2 8 5 112 415 S4 13 1 56 15 0 347 2 121 10 149 10 6 9 012 11 7 13 15 13 14 5 284 3 15 06 101 13 4 5 11 127 2 14 7. (4 points). What is the key space of AES with 128 bits of key? On average, how many keys need to be tested before the attacker can find the key using exhaustive key search