[Retracted] An Efficient Certificate-Based Aggregate Signature Scheme for Internet of Drones

Table 2

Comparison of the proposed scheme with the existing schemes in terms of computation cost.

Schemes	Sender	Receiver	Total (ms)
Wang et al. [15]	2PM = 8.62	2P + 3PM = 42.73	51.35
Li et al. [16]	2P4PM = 47.04	4P + 3PM = 72.53	119.57
Li et al. [17]	9PML = 8.73	7PML = 6.79	15.52
Proposed scheme	3HDML = 1.44	HDML = 1.924	3.36