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• W2179674583 abstract "Cloud computing is a rising computing technology. It permits users, store their data, knowledge or information remotly.The purpose of this paper is to secure access control scheme for public clouds. We present a Preserving Two Layer Encryption Access control in Public Clouds, Which provides more security and privacy as compare to the tradition approaches. Current approaches to enforce access management polices(ACPs) on outsourced data using selected encryption require organizations to manages all keys and encryptions and upload encrypted data on the remote storage. Such type of approaches incur high communications and the computation cost to manage keys and encryptions whenever user make changes. To solving this problem by delegating as much of the Access Control enforcement responsibilities as possible to the cloud while reducing the information exposure risk due to colluding users and Cloud. Cloud competing share data through third party cloud service provider has never been more economical and easier. cloud computing is more popular and play important role in our life. Cloud computing bring users with many benefits such as the relief of the storage and flexible data access. they can motivate users to store their local data into the cloud and defend the privacy of users. they can combining set of existing and new techniques from research area such as Service-Oriented Architectures (SOA) and virtualization. most of the organization perform access management polices.(ACPs) suggests that which users will access that information or records. these access management policies expressed within the terms of user property is known as identity attribute by victimization access management language like XACML. control is often based on security-relevant properties of users referrers the identity attributes, the role of user in organization and project on which user are working. These access control process are called as the attribute based access control (ABAC) systems. attribute-based access control (ABAC),supports fine grained access control for data security and privacy. Approaches based on encryption have been proposed for fine-grained access control over encrypted data (2)and(3).as shown in fig.1,those approaches based on ACPs and encrypted with different symmetric key. User are given only keys for data items are allowed to access, as Extensions reduce number of keys that need distributed to the users proposed exploiting hierarchical and the other relationships data items. Such approaches have several limitations. II. TRADITIONAL APPROACH Privacy and Security propose major concerns in acquisition of cloud technologies for data storage. An approach to solve these concerns is use of Encryption. Where as encryption assures confidentiality of the data against the Cloud, use of conventional encryption approaches isn't sufficient to support enforcement of fine-grained organization Access Control Policies(ACP).Many organizations having today Access Control Policies regulating which users can be access which data, These Acp's are often intended in terms of properties of users which referred to as identity attributes, access control languages such like XACML. Such type of approach , referred as attribute-based-access-control(ABSC), to support fine grained access-control which is crucial for high assurance data privacy and security. To supporting ABAC over encrypted data is critical need in order to utilize cloud storage service's for selected data sharing among different users. Inform that often user identity attributes encode private information and thus should be strongly secure from the Cloud. Approaches based on encryption have been proposed for fine grained access control over encrypted data." @default.
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• W2179674583 date "2015-03-01" @default.
• W2179674583 modified "2023-10-06" @default.
• W2179674583 title "Privacy Preserving Delegated Access Control in Public Clouds with Two Layer Encryption" @default.
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