¬B1{“version”:”1.1″,”math”:”\neg B_1″}

Which of the following best describes the Salsa20 stream cipher?

How many possible answers to each quiz question would be required so that a 16-question quiz has at least 128 bits of entropy?

Given bits b1 and b2, what does b1 ⊕ b2 produce?

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.