Certificateless-Based Anonymous Authentication and Aggregate Signature Scheme for Vehicular Ad Hoc Networks

Table 3

Comparison of our proposed scheme with other related schemes.

Scheme	Individual sign	Individual verify	Aggregate verify	Coalition attacks resistance	With pairing
Kamil et al. [6]	3+2+3	2++	2+	No	No
Kumar et al. [12]	4+2+3	+3+4	++	No	Yes
Yang et al. [13]	4+2+3	3+3++4	+++4	Yes	Yes
Cui et al. [17]		3		No	No
Zhao et al. [23]	+2	4+3		No	No
Malhi et al. [24]	4+2+	3+3++2	3+++	No	Yes
Our scheme	+=	++	++	Yes	No