Research Article
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| |
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