How many questions would be required so that a quiz has 128 bits of entropy?

After the round 1 ShiftRows layer.

After the round 1 AddRoundKey layer

If the initial state is 1010, what is the sequence of bits that will be repeated in the output to the LFSR?

How many operations are required to successfully attack a cipher with a security level of 128 bits?

After the round 1 MixColumn layer.

(4 pts) Use the Caesar cipher to encrypt the following plaintext: THE BETTER ANGELS OF OUR NATURE

If the initial state is 1010, what is the period of the LFSR?

B1∧B2{“version”:”1.1″,”math”:”B_1 \wedge B_2″}

If the initial state is 0000, what is the period of the LFSR?