3. For this task you are going to generate a key. (a) Use the quadratic residue pseudorandom generator on the prime numbers p and q of your choice, where 1000 < p.q < 3000, to generate the first five bits of your key ko, ki, k2, ka and ka. (b) Generate a key sequenct of length 40 by using the recurrence relation In+5 = In+3 + xn+1 + xn (mod 2), n20 where the initial values are the key generated in (a).

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