Information Security in Cloud Computing with Third Party Administration

Computer Applications

It is challenging to guarantee the integrity of consumers outsourced data because they no longer physically possess it. Although recently proposed methods like "provable data possession" and "proofs of retrievability" are aimed at addressing this problem, they are designed to audit static archive material and hence do not support dynamic data. Additionally, despite the fact that users may occasionally act inappropriately, threat models in these schemes frequently assume an honest data owner and concentrate on identifying a dishonest cloud service provider. The public auditing approach presented in this work includes data dynamics and fair adjudication of any differences. To get over the current schemes' restrictions on index usage in tag calculation and effectively manage data dynamics, we designed an index switcher. We extend existing threat models and employ the signature exchange technique to create fair arbitration procedures that may resolve every prospective dispute fairly, resolving the fairness issue and ensuring that no party may act improperly without being noticed. The security study indicates that our technique is probably secure, and the performance evaluation shows that the overhead of data dynamics and dispute arbitration is controllable.

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