Identity-Based Public Auditing Scheme for Cloud Storage with Strong Key-Exposure Resilience

Table 2

Comparison of computation time in terms of number of operations.

Schemes	Updation of secret keys	Tag generation	Proof generation	Proof verification
Scheme (2016)	TH + 4Te + 2Tm	n (TH + 2Te + 2Tm) + Te	cTe + cTm	(c + 1)TH + 3Tp + (c + 2 + bl)Te+ 2Tm
Scheme (2017)	2TH + 2Te + Tm	n (TH + 2Te + 2Tm) + Te	cTe + cTm	(c + 1)TH + 3Tp + (c + 2)Te + 2Tm
Scheme (2018)	Te	n (TH + 2Te + Tm)	cTe + cTm	cTH + 2Tp + (c + 3)Te + (c + 4)Tm
Proposed scheme	2TH + Te + Tinv + 2Tm	n (2Te + Tm) + Te	(c + 1)Te + cTm	2TH + 4Tp + 2Te