期刊名称：APSIPA Transactions on Signal and Information Processing
印刷版ISSN：2048-7703
电子版ISSN：2048-7703
出版年度：2014
卷号：3
DOI：10.1017/ATSIP.2014.6
出版社：Cambridge University Press
摘要：Cloud Computing has become a well-known primitive nowadays; many researchers and companies are embracing this fascinating technology with feverish haste. In the meantime, security and privacy challenges are brought forward while the number of cloud storage user increases expeditiously. In this work, we conduct an in-depth survey on recent research activities of cloud storage security in association with cloud computing. After an overview of the cloud storage system and its security problem, we focus on the key security requirement triad, i.e., data integrity, data confidentiality, and availability. For each of the three security objectives, we discuss the new unique challenges faced by the cloud storage services, summarize key issues discussed in the current literature, examine, and compare the existing and emerging approaches proposed to meet those new challenges, and point out possible extensions and futuristic research opportunities. The goal of our paper is to provide a state-of-the-art knowledge to new researchers who would like to join this exciting new field.
关键词：Cloud computing; Data security; Data integrity; Confidentiality; Access control; Searchable encryptions; Data availability
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