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An Enhanced Multi-Layered Cryptosystem Based Secure and Authorized auditing deduplication Model in Cloud Storage System( Vol-3,Issue-4,April 2017 ) |
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Author(s): K. Mamatha, D.Nandini, K. Raja Manohar Reddy |
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Keywords: |
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cloud storage, data deduplication, secure auditing, proof of ownership protocol, Proof of retrievability, proof of ownership. |
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Abstract: |
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As the cloud computing technology develops during the recent days, outsourcing data to cloud service for storage becomes an attractive trend, which benefits in sparing efforts on heavy data maintenance and management. Nevertheless, since the outsourced cloud storage is not fully trustworthy, it raises security concerns on how to realize data deduplication in cloud while achieving integrity auditing. In this work, we study the problem of integrity auditing and secure deduplication on cloud data. Specifically, willing achieving both data integrity and deduplication in cloud, we propose two secure systems, namely SecCloud and SecCloud. SecCloud introduces an auditing entity with maintenance of a Map Reduce cloud, which helps clients generate data tags before uploading still audit the integrity of data having been stored in cloud. Compared with previous work, the computation by user in SecCloud is greatly reduced during the file uploading and auditing phases. SecCloud is designed motivated individually fact that customers always must encrypt their data before uploading, and enables integrity auditing and secure deduplication on encrypted data. |
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