Privacy Models in Wireless Sensor Networks: A Survey

Table 1

Techniques. (x): technique assumed by authors as already existing.

	Encryption	Routing	Aggregation	Packet injection	Anonymity/-anonymity/pseudonymity	Statistics
[44]		x		x	Anonymity
[39]		x
[30]	x	x
[22]			x	x
[28]					-anonymity
[25]	x					x
[52]		x		x
[29]				x
[31]		x	x		Anonymity
[21]		x
[34]					Pseudonymity
[20]		x		x
[49]	x		x
[53]	x
[16]	x (+ ring signature)				Pseudonymity
[46]		x		x
[50]					Pseudonymity
[35]				x
[54]			x
[13]	(x)	(x)
[14]	x			x	Pseudonymity
[24]				x	Anonymity
[38]		x
[18]	(x)	x		x
[47]		x
[48]			x
[26]			x			x
[42]	x				Pseudonymity
[27]		x	x
[45]	x		x
[15]	(x)	x		x
[19]	x	x		x	Pseudonymity
[32]	x
[23]	x	x		x
[17]	x				Pseudonymity
[43]	x		x
[36]	x
[33]	x
[37]	x
[40]	x	x	x
[41]	x	x	x