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Trusted archive system based on block chain

A file system and blockchain technology, applied in the field of trusted file systems, can solve the problems of people's livelihood file management and trusted sharing, and achieve the effect of reducing storage costs, taking into account privacy management and control, and reducing storage space.

Active Publication Date: 2022-04-12
浙江数秦科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its technical solution cannot solve the management and credible sharing of files involving the effectiveness of credentials, such as Minsheng files.

Method used

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  • Trusted archive system based on block chain
  • Trusted archive system based on block chain
  • Trusted archive system based on block chain

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A blockchain-based trusted archive system, see appendix figure 1 , including a file receiving subsystem 20, a deposit subsystem 30, a storage subsystem 50, a retrieval subsystem 60 and a credible file generating subsystem 70, the file receiving subsystem 20 receives file scans and file description information, and the file description information includes File source department, file type and generation time, copy the scanned copy of the file as a copy, add a preset watermark on the copy, the storage subsystem 30 extracts the hash value of the scanned file as the file hash value, and extracts the hash of the copy The value is recorded as the copy hash value 84, and the file hash value and the copy hash value 84 are uploaded to the block chain 10 for storage, and the corresponding block height is obtained. The storage subsystem 50 assigns and stores the file name for the scanned copy of the file and the copy, The retrieval subsystem 60 establishes a file directory, and t...

Embodiment 2

[0052] A trusted file system based on blockchain. This embodiment proposes a further solution for file sharing on the basis of Embodiment 1. Please refer to the attached Figure 5 , the method for sharing files in this embodiment includes: step B01) the retrieval subsystem 60 stores a list of items, and the list of items records the set of field names required for handling each item; step B02) the file access request includes multiple required file types , after the retrieval subsystem 60 finds a plurality of matched file scans, it lists all the fields that need to be provided according to the item list, and obtains the slice area 81 corresponding to the field; step B03) according to the file scans to which the slice area 81 belongs, from the storage sub-system The system 50 reads multiple slice areas 81; step B04) the retrieval subsystem 60 sends the read multiple slice areas 81 and slice hash value sets 83 to the trusted file generation subsystem 70; step B05) trusted file T...

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Abstract

The invention relates to the technical field of information, in particular to a block chain-based trusted archive system, which comprises an archive receiving subsystem, an evidence storage subsystem, a storage subsystem, a retrieval subsystem and a trusted archive generation subsystem, the evidence storage subsystem extracts a file hash value and a copy hash value and uploads the file hash value and the copy hash value to a block chain for storage, the retrieval subsystem establishes a file catalog, receives a file retrieval request, verifies the identity of a requester and then queries whether a file scanning copy matched with a file type and a retrieval key value exists or not, if yes, a transaction item and a copy are provided for the credible file generation subsystem, and if not, the credible file generation subsystem generates a credible file; and the credible archive generation subsystem uses a preset private key to sign a transaction item and a timestamp, and if the requester verifies that the signature is consistent with the evidence storage hash value, the copy is judged to be true and credible. The method has the substantive effects that the scanned copy has legal efficacy, and the file storage cost is reduced.

Description

technical field [0001] The invention relates to the field of information technology, in particular to a blockchain-based trusted file system. Background technique [0002] People's livelihood archives are authentic records formed in the work of ensuring and improving people's livelihood. Specifically, it refers to the files related to various aspects of people's livelihood formed by various economic or social organizations, as well as individuals. For example, it involves the files required for social security, marriage, retirement, second child, house purchase, etc. Although the electronic office has been popularized in recent years, a large number of application forms and qualification certificates are still made in paper. People's livelihood archives involve people's vital interests and are the original evidence for safeguarding various rights and interests. The newly added paper documents need to be stored in a special area every year, and the paper documents need to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62G06F21/64
Inventor 张金琳俞学劢
Owner 浙江数秦科技有限公司
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