EPPSA: Efficient Privacy-Preserving Statistical Aggregation Scheme for Edge Computing-Enhanced Wireless Sensor Networks

Algorithm 7

Statistical aggregation

(i)	Input: Vectors , where m.
	Output: Ciphertext of arithmetic mean, mean of square, and weighted mean in the Montgomery domain of each dimension, denoted by , , and , .
(1)	, , ,
(2)	for up to
(3)	for up to
(4)	,
(5)
(6)	for up to
(ii)	for up to
(8)	,
(9)
(10)	for up to
(11)	for up to
(12)	,
(13)
(14)	return