Journal
COMPUTER COMMUNICATIONS
Volume 111, Issue -, Pages 120-141Publisher
ELSEVIER
DOI: 10.1016/j.comcom.2017.07.006
Keywords
Cloud data storage; Security requirements; Privacy; Data confidentiality; Data integrity; Proof of data possession; Proof of retrievability; Cryptographic cloud trends
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Recent technological advances have sparked the popularity and success of cloud. This new paradigm is gaining an expanding interest, since it provides cost efficient architectures that support the transmission, storage, and intensive computing of data. However, these promising storage services bring many challenging design issues, considerably due to both loss of data control and abstract nature of clouds. The objective of this survey is to provide a consistent view about both data security concerns and privacy issues that are faced by clients in cloud storage environments. This survey brings a critical comparative analysis of cryptographic defense mechanisms, and beyond this, it explores research directions and technology trends to address the protection of outsourced data in cloud infrastructures. (C) 2017 Elsevier B.V. All rights reserved.
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