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

Table 4

Comparison between EPPDA and other solutions in the IoT-based healthcare.

Solutions	Security features					Efficiency
	Confidentiality	Integrity	Authentication	Freshness	Scalability	Computational cost	Communication cost	Communication overhead
PHDA [15]	Yes	No	Yes	Yes	No	Very high	High	Large
PPM-HAD [16]	Yes	Yes	No	No	No	High	High	Very high
LSDA [17]	No	Yes	Yes	No	No	Very high	Very high	Fair
RESDA [18]	Yes	Yes	Yes	Yes	No	Medium	Medium	Fair
ERCS [19]	Yes	Yes	No	No	⊗	Very	Medium	Medium
CBCSES [20]	Yes	No	Yes	Yes	No	Low	Very high	Large
EPPDA	Yes	Yes	Yes	Yes	Yes	Small	Very low	Very small