Table 5.

Comparison of communication costs for different schemes.

Scheme	SSS	NTM	STM	NI
[22]	$\left|ID\right|+\left|\mathbb{G}\right|+\left|T\right|+2\left|Z_q^{*}\right|$	4	$2\left|ID\right|+2\left|\mathbb{G}\right|+3\left|T\right|+10\left|Z_q^{*}\right|$	4
[24]	$\left|{\mathbb{G}}_2\right|+2\left|{\mathbb{G}}_1\right|+6\left|Z_q^{*}\right|$	9	$\left|{\mathbb{G}}_2\right|+2\left|{\mathbb{G}}_1\right|+6\left|Z_q^{*}\right|$	2
[26]	$\left|{\mathbb{G}}_1\right|+\left|Z_q^{*}\right|$	5	$3\left|{\mathbb{G}}_1\right|+3\left|Z_q^{*}\right|$	1
[37]	$3\left|{\mathbb{G}}_1\right|$	2	$3\left|{\mathbb{G}}_1\right|$	1
[38]	$2\left|\mathbb{G}\right|+3\left|Z_q^{*}\right|$	4	$\left|T\right|+3\left|Z_q^{*}\right|+4\left|\mathbb{G}\right|$	2
Ours	$2\left|Z_q^{*}\right|$	4	$\left|T\right|+\left|H\right|+2\left|Z_q^{*}\right|+3\left|\mathbb{G}\right|$	1