Attribute-based encryption method and device
An attribute-based encryption and user attribute technology, applied in the field of data security, can solve problems such as monotonous access control structure, failure to verify the correctness of keys, etc., and achieve the effect of reducing computing costs
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[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0042] The technical method of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0043] figure 1 It is a flow chart of the attribute-based encryption method provided by Embodiment 1 of the present invention. Such as figure 1As shown, this embodiment includes the following steps:
[0044] S110, the central institution establishes an attribute-based encryption sy...
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