Data Sharing Method Based On Blockchain And Related To Private Data

  • Published: May 31, 2017
  • Earliest Priority: Dec 12 2016
  • Family: 1
  • Cited Works: 0
  • Cited by: 4
  • Cites: 2
  • Additional Info:
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Abstract

The invention relates to the technical field of information security and provides a data sharing method based on blockchain and related to private data. The method includes the steps that a private key S is allocated by the blockchain and held by four slave nodes A, B, C and D, when the private key S is generated, a piece of verification information is written into each part in the private key, and through comparison of the verification information, one certain node in the blockchain judges the identity of another node on the basis; the private data of each slave node uses the corresponding part of private key in an encrypted mode, and a network needs to be informed of which node can obtain what data during encryption; when one certain slave node intends to have access to the private data uploaded by other nodes, the network makes the verification information compared with verification information carried by part of the private key of an upload data node, and when the verification result is one of the nodes informed by the upload data node, the node applying at the moment can have access to the private data uploaded by another node. The method is capable of guaranteeing safety of exchange and obtaining of the private data in the blockchain.


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Document History
  • Publication: May 31, 2017
  • Application: Dec 12, 2016
    CN CN 201611142035 A
  • Priority: Dec 12, 2016
    CN CN 201611142035 A

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