A Reconstruction Attack Scheme on Secure Outsourced Spatial Dataset in Vehicular Ad-Hoc Networks

Algorithm 1

Reconstruction of the spatial dataset index.

	Input:attack granularity , dataset, access patterns
	Output: x index and y index of all records in the dataset
(1)	Map
(2)	Map
(3)	FOR each
(4)	get
(5)
(6)
(7)	For each record in
(8)
(9)	END FOR
(10)	END FOR
(11)	FOR each
(12)	get
(13)
(14)
(15)	For each record in
(16)
(17)	END FOR
(18)	END FOR
(19)	RETURN