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In a real world, it is often in a group setting that sensitive information has to be stored in databases of a server. Although personal information does not need to be stored in a server, the secret information shared by group members is likely to be stored there. The shared sensitive information requires more security and privacy protection. To our best knowledge, there is no paper which deals with...
isowned by multi persons. In this approach, we haveproposed a new scheme to deal with preserving the privacyin encrypted cloud data using multi-keyword searching. Toenable cloud server to perform access securely to searchingthe data with no cognizance about the real data of bothkeywords and trapdoors.
A user stores his personal files in a cloud, and retrieves them wherever and whenever he wants. For the sake of protecting the user data privacy and the user queries privacy, a user should store his personal files in an encrypted form in a cloud, and then sends queries in the form of encrypted keywords. However, a
encrypting digital goods maybe not work well if buyers and sellers trade with the digital goods in this environment. The reason is that the cloud server could not decide which digital goods contain certain keywords requested by a buyer if the meta data of the encrypted digital goods is not searchable. In this paper, we propose
Online social networks routinely publish data of interest to third parties, but in so doing often reveal relationships, such as a friendship or contractual association, that an attacker can exploit. This systematic look at existing privacy-preservation techniques highlights the vulnerabilities of users even in networks that completely anonymize identities. Through a taxonomy that categorizes techniques...
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