Table 1 Comparison of main parameters in (Ling et al. 2017) and our work
From: An efficient full dynamic group signature scheme over ring
Indicators | |gpk| | |gsk[i]| | |Σ| |
|---|---|---|---|
Schemes | |||
\(\tilde {O}\left (\lambda ^{2}+\lambda \cdot l\right)\) | \(\tilde {O}(\lambda)+l\) | \(\tilde {O}(\lambda \cdot l)\) | |
Our work | \(\tilde {O}(\lambda ^{1.5})+l\cdot O(\log \lambda)\) | l+O(logλ) | \(\tilde {O}(\lambda)+l\cdot O\left (\log \lambda ^{1.5}\right)\) |