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Secure Data Storage in Cloud with Decentralized Access Control Scheme and Anonymous Authentication

S. RamaLakshmi, V. Suganya, B. Saranya, V. Srinivasan


Our paper proposes a decentralized access control scheme for storing data or file in cloud securely with anonymous authentication. Authenticity of the content will be verified without knowing the user’s identity with the help of attribute based signature. Data will be encrypted under attribute based encryption and it will be decrypted only for users with attributes specified by the access policy using their key. Encryption and decryption keys are provided through decentralized scheme with two or more KDC’s and access control is provided by access control schemes which defines who have access to data.


Access Control, Cloud Storage, Attribute Based Encryption, Attribute Based Signature, Decentralized,

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