Dynamic searchable public key encryption method
A public key encryption, dynamic technology, applied in the field of cryptography and cloud storage technology security, can solve problems such as dynamic update of ciphertext
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[0041] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0042] figure 1 Shown is a schematic diagram of the application environment of the present invention supporting the dynamic searchable public key encryption method. The invention is applied to a cloud storage environment, and the entire system includes three main bodies, a sender, a cloud storage server and a receiver. Specifically:
[0043] Upload file: Generate searchable cipher text of the file key...
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