An Efficient Pairing-Free Certificateless Signature Scheme with KGC Trust Level 3 for Wireless Sensor Network

Table 3

A comparative summary: performance (ms).

Scheme	Sign phase	Verify phase	In total
Jia et al. [14]			1.612511
Du et al. [15]		4	1.617666
Thumbur et al. [16]			1.285016
Xu et al. [17]			1.614102
Our scheme			1.285016