EPPDA: An Efficient and Privacy-Preserving Data Aggregation Scheme with Authentication and Authorization for IoT-Based Healthcare Applications

Table 2

Symbol description of the proposed EPPDA solution.

Symbol	Description
IDMS	Medical sensor ID
	Health data
IDAgg	Aggregator ID
MSPvkey	Private key of medical sensor
AggPvkey	Private key of aggregator
	Stored
	Messages exchange
RN1, RN 2	Random numbers
PKMS	Public key of medical server
SKMS	Secret key shared between the medical sensor and medical server.