Preserving Privacy for Access Policies for Secure Data Storage in Clouds
Journal Title: International Journal of Computer Science & Engineering Technology - Year 2015, Vol 6, Issue 7
Abstract
Cloud computing is well known for its ubiquitous behavior, as the users can store and avail the data from cloud at any point of time irrespective of the location through internet. In the current era, cloud computing is receiving lots of attention from the researchers to enhance the access control policies of the user in retrieving confidential data stored in the cloud. This paper addresses the problem of securing the highly sensitive data stored in the clouds. As the cloud server is aware of accessibility policy of each record stored in it, a novel and enhanced privacy preserving framework is proposed based on cipher-text policy attribute based encryption mechanism. In this case, the user can assign a security policy based on the attributes and restrict the unauthorized and anonymous users accessing the confidential data. In general, during cipher-text policy attributes based encryption cipher-texts are allied with access policies as well as the keys are allied attribute set. The proposed schema specifies that, it is not necessary to associate the access policy along with the cipher text such that the user privacy is guaranteed. For this purpose, Paillier algorithm is used for hiding user access policies.
Authors and Affiliations
K. Rohini , Dr. K. Madhavi
Keywords
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