Blockchain-based data cloud storage encryption method and system
A blockchain and data technology, applied in the field of information security, can solve the problems of key security and encrypted data security threats, cloud storage data confidentiality cannot be guaranteed, etc., to achieve security, access control, and encrypted storage Effect
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[0046] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Some, but not all, embodiments of the invention. 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.
[0047] The block chain-based data cloud storage encryption method provided by the embodiment of the present invention solves the problem of encrypted and secure storage of data files on the cloud, and at the same time solves the problem of centralized key management in traditional key management systems by combining re-encryption technology and attribute encryption tech...
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