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Secure Sharing of Data for Dynamic Group in Public Cloud

摘要


Cloud Computing has been envisioned as the next-wave system architectures of IT. Cloud storage service brings benefit of not only low cost and scalability, but also great appropriateness for group sharing, such as e-learning resource storage. In this paper, a scalable and efficient group sharing method for public cloud is proposed. It is based on the key tree approach and the well-known Diffie-Hellman cryptographic protocol. Security and performance analysis shows that our proposed scheme is secure and highly efficient for public cloud based secure storage.

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