Algorithm 4.2 The LRB algorithm

Input: A scalar v in [1, n-1] and a point P in E(Fp). Output: A scalar multiplication vP.

	- 3.1 Compute Q = 2Q.
	- 3.2 If ei =1 then Q=Q+P.
	- 3.3 Else go to step (3.4).
	- 3.4 End if
