Table 1 Comparison of DRE Schemes from Lattices

# of

# of

# of

Other

Schemes

\(\mathbb {Z}_{q}^{n\times m}\) matrix

\(\mathbb {Z}_{q}^{m\times m}\) matrix

\(\mathbb {Z}_{q}^{m}\) vector

Assumption

Security

primitives

|pk|^∗

|sk|^∗

|c|^∗