Table 5 Communication cost comparison.
From: A lightweight certificateless aggregate signature scheme without pairing for VANETs
Scheme | Individual Signature |
|---|---|
Zhu et al.33 | 3\(\vert G \vert\) + 2 \(\vert Z_q^*\vert\) |
Zheng et al.27 | 4\(\vert G \vert\) + 3 \(\vert Z_q^*\vert\) |
\(\Gamma\)-\(\hbox {signature}^*\) | 4\(\vert G \vert\) + 3\(\vert Z_q^*\vert\) |
Mei et al.30 | 4\(\vert G_1\vert\) + 2\(\vert Z_q^*\vert\) |
Zhong et al.31 | 4\(\vert G_1 \vert\) + \(\vert Z_q^*\vert\) |
Kumar et al.32 | 5\(\vert G_1 \vert\) + \(\vert Z_q^*\vert\) |
Wang et al.22 | 3\(\vert G_1 \vert\) + 2 \(\vert Z_q^*\vert\) |
Our Scheme | 3\(\vert G \vert\) + 3 \(\vert Z_q^*\vert\) |
