A Fair Multi-Party Non-Repudiation Scheme for Storage Clouds
Data storage is one of the most profitable applications in Clouds. Although a transparent service model is convenient, it may be subject to the loss of data integrity. The authors' study revealed vulnerabilities in some commercial Cloud storage services. They analyzed the repudiation problem in a Cloud environment. In this paper, they propose a new Multi-Party Non-Repudiation (MPNR) scheme to fix the issue. Rationale behind the new scheme and a description of its operation are provided. They also discussed its robustness against typical network attacks.