Shared Data Integrity Using Public Auditing Mechanism

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Provided by: Creative Commons
Topic: Security
Format: PDF
Cloud providers assure a safer and dependable environment to the users, the honesty of data in the cloud may still be cooperation, due to the survival of hardware/software failures and human errors. To make certain shared data honesty can be established publicly, users in the group require calculating signatures on all the blocks in shared data. Dissimilar blocks in shared data are usually signed by different users due to data changes do by different users. For security reasons, once a user is cancelled from the group, the blocks which were beforehand signed by this revoked user must be resigned by an existing user.
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