[Retracted] An Anonymous Authentication Scheme in VANETs of Smart City Based on Certificateless Group Signature

Table 3

Signature generation and verification calculation overhead.

Scheme	Signature generation		Signature verification
	Calculation overhead	Time overhead (ms)	Calculation overhead	Time overhead (ms)
Scheme [14]		19.3416		11.9874
Scheme [15]		4.085		23.9748
This scheme		1.5344		1.4749