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Cloud computing is a universal conventional system. With the exponential development of cloud data and storage room, cloud security has turned out to be one of the intriguing exploration regions of cloud registering servers. Property based encryption is an open key encryption calculation that permits cloud users to anchor their delicate data in the general population cloud servers. Credited based Quantum cryptography will anchor the user data transmission and correspondence through cloud frame programmers. Be that as it may, daze quantum registering will anchor the moment spying or getting to of data handling in cloud from any awful cloud provider or outsider. In this paper we proposed an algorithm based on blind quantum computing for to secure the communication between data owner and CSP. And enhanced the hierarchal attribute-based encryption algorithm using BCQ key sharing which provides user data providing and group accessing of cloud data. The experimental results show that the proposed mechanism is efficient than the existing CP-ABE enhancements.

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