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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
(Ling et al. 2017) \(\tilde {O}\left (\lambda ^{2}+\lambda \cdot l\right)\) \(\tilde {O}(\lambda)+l\) \(\tilde {O}(\lambda \cdot l)\)
Our work \(\tilde {O}(\lambda ^{1.5})+l\cdot O(\log \lambda)\) l+O(logλ) \(\tilde {O}(\lambda)+l\cdot O\left (\log \lambda ^{1.5}\right)\)