Large-scale user multi-key scenario cloud encryption database system and storage query method
A multi-key, large-scale technology, applied in the field of information security, can solve the problems of difficulty in retrieving ciphertext data, single encryption key, unable to cope with performance and security challenges, etc., to achieve convenient management, simple operation, and high efficiency to achieve large-scale User request effect
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[0041] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0042]In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importa...
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