A Lightweight Identity-Based Cloud Storage Auditing Supporting Proxy Update and Workload-Based Payment

Table 2

Functionality comparison of different cloud storage auditing schemes.

Schemes	Public verifiability	Lightweight computation	Proxy update	Certificate management simplification	Workload-based payment
Wang et al. [5]	Yes	Yes	No	Yes	No
Shen et al. [6]	Yes	Yes	No	No	No
Yu et al. [18]	Yes	No	No	No	No
Zhang et al. [25]	Yes	No	No	Yes	No
Shacham et al. [30]	Yes	No	No	No	No
Wang et al. [31]	No	No	No	No	No
Ours	Yes	Yes	Yes	Yes	Yes