Elimination of deduplication and reduce communication overhead in cloud

We extend an attribute-based storage system with safe deduplication in a hybrid cloud setting, where a private cloud is accountable for duplicate detection and a public cloud manages the storage. Related with the prior data deduplication systems, our system has two compensations. It can be used to private portion data with users by agreeing access policies slightly distribution of decryption keys. It realizes the typical view of semantic security for data privacy while existing systems only accomplish it by critical and punier security notion. In adding, we set into view an organization to alter a cipher text over one starter policy into cipher texts of the equal plaintext but beneath other starter guidelines deprived of revealing the basic plaintext

A new deduplication and reduce communication overhead in cloud

We exhibited a novel way to deal with understand a property based capacity framework supporting secure deduplication. Our capacity framework is worked under a mixture cloud engineering, where a private cloud controls the calculation and an open cloud deals with the capacity. The private cloud is given a trapdoor key related with the comparing ciphertext, with which it can exchange the ciphertext more than one access strategy into ciphertexts of the equivalent plaintext under some other access approaches without monitoring the fundamental plaintext. Subsequent to accepting a capacity ask for, the private cloud first checks the legitimacy of the transferred thing through the appended evidence. On the off chance that the confirmation is legitimate, the private cloud runs a label coordinating calculation to see whether similar information hidden the ciphertext has been put away. Provided that this is true, at whatever point it is vital, it recovers the ciphertext into a ciphertext of the equivalent plaintext over an entrance approach which is the association set of both access strategies

Communications and Multimedia Security: 12th IFIP TC 6 / TC 11 International Conference, CMS 2011, Ghent, Belgium, October 19-21,2011. Proceedings

International audienceBook Front Matter of LNCS 702