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Cloud computing data removal based on encryption t
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Application background it is useful for deduplication process in cloud storage, the duplicated data or information storage by different user can lead to high storage. hence it required to delete the repeated data Key Technology we enhance our system in security. Specifically, we present an advanced scheme to support stronger security by encrypting the file with differential privilege keys. In this way, the users without corresponding privileges cannot perform the duplicate check. Furthermore, such unauthorized users cannot decrypt the cipher text even collude with the S-CSP. Security analysis demonstrates that our system is secure in terms of the definitions specified in the proposed security model.
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