Ldasip: A Lightweight Dynamic Audit Approach for Sensitive Information Protection in Cloud Storage

Table 6

Algorithms of different audit schemes in signature generation stage.

Stage	Scheme [9]	Scheme [10]	Ldasip
Signature generation			γ=(H1(R)) ^skid; Γ=(H1(R∗)) ^skID
Challenge response	,		,
Verification

Note. represents user identity, and represents a random for each user ID.