Title:
PRIVATE DATA CHAINING METHOD, DEVICE, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/179737
Kind Code:
A1
Abstract:
A private data chaining method, a device, and a storage medium. The method comprises: respectively encrypting private data according to public keys of a current user and several other service parties to generate at least two pieces of encrypted information (S11); and packaging according to each piece of encrypted information to generate a first encrypted transaction and sending same to an alliance chain node for broadcasting, packaging and executing (S13). A main account book and a sub-account book are configured in a database of the alliance chain node, the main account book is used for storing execution results of unencrypted ordinary transactions, and the sub-account book is used for storing an execution result of an encrypted transaction in which one piece of encrypted information in a transaction is successfully decrypted by means of a held private key; a Merkle tree root of an alliance chain block is generated according to the main account book. The method satisfies the requirements of recording and chaining private data and internal data privacy only disclosed for service parties.
Inventors:
YUAN HAILEI (CN)
WANG ZHIWEN (CN)
WU SIJIN (CN)
WANG ZHIWEN (CN)
WU SIJIN (CN)
Application Number:
PCT/CN2020/138885
Publication Date:
September 16, 2021
Filing Date:
December 24, 2020
Export Citation:
Assignee:
JIANGSU FUZAMEI TECH CO LTD (CN)
International Classes:
G06F21/62; G06F21/60; G06Q40/04
Foreign References:
| CN111400756A | 2020-07-10 | |||
| CN109635572A | 2019-04-16 | |||
| CN110445845A | 2019-11-12 | |||
| CN110661790A | 2020-01-07 | |||
| CN107294709A | 2017-10-24 | |||
| CN108600272A | 2018-09-28 |
Attorney, Agent or Firm:
NINGBO RAYMOND IP AGENCY FIRM (CN)
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