Privacy Models in Wireless Sensor Networks: A Survey

Table 2

Goals analysis.

	Location privacy: source/sink/both	Data confidentiality	Anonymity	Access control	Authentication
[44]	Both
[39]	Source
[30]		x (query)
[22]		x (sensor data)
[28]	Source
[25]			x (source)
[52]	Sink
[29]		x (events)
[31]		x (query)	x (aggregator)
[21]	Source
[34]			x
[20]	Source
[49]		x
[53]		x
[16]		x (events)
[46]	Source
[50]	Source
[35]			x (source)
[54]		x
[13]				x
[14]	Both
[24]	Source
[38]	Source
[18]	Source
[47]	Both
[48]
[26]		x
[42]	Source
[27]	Sink
[45]
[15]	Both
[19]	Source
[32]		x (query and query results)			x
[23]	Source
[17]				x (query and query results)
[43]
[36]					x
[33]				x (query and query results)
[37]					x
[40]		x
[41]