Attribute-Based Storage Supporting Secure Deduplication of Encrypted Data in Cloud

ABSTRACT:

Attribute based encryption (ABE) has been generally utilized in cloud computing where an information supplier outsources his/her scrambled information to a cloud specialist organization, and can impart the information to clients having particular certifications (or characteristics). In any case, the standard ABE system does not bolster secure deduplication, which is pivotal for taking out copy duplicates of indistinguishable information keeping in mind the end goal to save storage room and system transmission capacity. In this project, we exhibit a property based capacity system with secure deduplication in a half and half cloud setting, where a private cloud is in charge of copy identification and an open cloud deals with the capacity. Contrasted and the earlier information deduplication systems, our system has two details. Right off the bat, it very well may be utilized to secretly impart information to clients by indicating access strategies as opposed to sharing unscrambling keys. Besides, it accomplishes the standard thought of semantic security for information secrecy while existing systems just accomplish it by characterizing a weaker security idea. What’s more, we set forth an approach to alter a ciphertext more than one access strategy into ciphertexts of the same plaintext yet under different access strategies without uncovering the hidden plaintext.

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