9.6. In practice, a and k are both in the range p ? 2(power of150 • • • 2250), and computing T = a • P and y0 = k • P is doneusing the Double-and-Add algorithm as shown in the correspondingslide on ECC. 1. Illustrate how the algorithm works for a = 19 andfor a = 160. Do not perform elliptic curve operations, but keep P avariable. 2. How many (i) point additions and (ii) point doublingsare required on average for one “multiplication”? Assume that allintegers have n=log 2 p ] bit . 3. Assume that all integers have
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