The $`$getPrime$`$ function imported above takes as input an integer $`$N$`$ and as output returns a random $`$N$`-$bit prime number. $($For example, $`37=32+4+1`$ written in binary is $`100101`,$ which is $6$ digits, so $`37`$ is a $6-$bit prime number. You can verify this by evaluating $`$to$\_$base$\_$b$(37,2)`$ and checking that the resulting list is length $6.$ The $`$from$\_$base$\_$b$`$ function goes in the opposite direction.$)$