We use a cubic equation in which the variables and coefficients all take on values in the set of integers from 0 through p - 1 and in which calculations are performed modulo p for a over zp.

We use a cubic equation in which the variables and coefficients all take on values in the set of integers from 0 through p - 1 and in which calculations are performed modulo p for a __Prime Curve_ over Zp.

Explanation:

Two families of elliptic curves are used in cryptographic applications

b. xor is the correct answer

amazon is a website were you shop cosmetics such as clothes, electronics and food. amazon also makes there own thechnology such as kindle book readers and tablets or the alexa which is an inteligent ai. and they also have a streaming service which is called prime video.