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

Table 4

Compared with the communication cost of existing solutions.

Scheme	Data tag value, signature upload	Audit challenge	Audit proof	Data update
Scheme [9]	n (|p|+|m|)	c (|n|+|q|)	|p|+|q|	-
Scheme [10]	(3n+1)|p|+n|m|	c (|n|+|q|)	s|q| + (2c+1)|p|	-
Ldasip	(n+2)|p|+n|m|	c (|n|+|q|)	(c+3)|p|+|q|	(l+7)|p|+|m|