An Efficient Homomorphic Aggregate Signature Scheme Based on Lattice

Table 1

Comparison of several lattice-based linearly homomorphic signature schemes.

Scheme	Multiuser supporting	Public key; length	Signature length	Signing cost	Verifying cost; (Space overhead)
Boneh’s [5]	No
Wang’s [7]	No
Zhang’s [16]	Yes				4
Our scheme	Yes