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Construction engineering electronic file evidence storage method and system based on block chain technology

A technology of electronic archives and construction projects, applied in the field of blockchain, can solve problems such as low trust and poor anti-tampering of engineering archives, and achieve the effect of improving credibility and efficiency

Pending Publication Date: 2020-08-07
ZHEJIANG ELECTRIC POWER DESIGN INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: the technical problem of poor tamper resistance and low trust degree of engineering archives at present

Method used

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  • Construction engineering electronic file evidence storage method and system based on block chain technology
  • Construction engineering electronic file evidence storage method and system based on block chain technology

Examples

Experimental program
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Embodiment 1

[0019] A method for depositing certificates in electronic archives of construction projects based on blockchain technology, such as figure 1 As shown, this embodiment includes the following steps: organize the electronic archives of the construction project into preset design result metadata 100, and upload the data to the block chain in the form of data blocks, such as figure 2 As shown, the data block 300 includes one or more design result information packages, and the design result information package includes several design result metadata 100 and its digital fingerprint 200 . Design result metadata 100 includes design result identification data 101 and general management data 102, design result identification data 101 includes but not limited to: sending unit name and code, one or more receiving unit names and codes, construction project name, sub-item Name, stage name and code, design result volume name, volume number, drawing title, drawing number and version number, g...

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Abstract

The invention relates to the technical field of block chains, in particular to a construction engineering electronic file evidence storage method and system based on the block chain technology, and the method comprises the steps: extracting a digital fingerprint of a construction engineering electronic file, marking the digital fingerprint with an identification code, and uploading the digital fingerprint with the identification code to a block chain; sending the electronic archives and the identification codes to an archive demander; and enabling the demander to extract the digital fingerprint of the received electronic file in the same way, download the digital fingerprint corresponding to the identification code from the blockchain and compare the digital fingerprints, if the digital fingerprints are consistent, regarding that the received electronic file is judged not to be changed and accepted, and if the digital fingerprints are different from each other, regarding that the received electronic file is judged to be changed and not accepted. The pharmaceutical composition has the substantial effects that by means of the scheme of extracting and chaining the digital fingerprint,diffusion controllability of the enterprise electronic archive file is guaranteed, it can be proved that the original electronic archive file is real, reliable and safe through the block chain, the extraction efficiency of the high-capacity electronic archive digital fingerprint is improved, and the management quality of modification and upgrading of large-scale construction engineering design achievements is improved.

Description

technical field [0001] The invention relates to the technical field of block chains, in particular to a method and system for depositing certificates in electronic files of construction projects based on block chain technology. Background technique [0002] With the development of information technology, many non-paper electronic archives such as 3D designs, BIM models, audio and video materials urgently need to be archived. The "four characteristics" of electronic archives, namely authenticity, integrity, usability, and security, are important standards to ensure that electronic archives have the nature of archives, and are of great significance to the value of electronic archives. In terms of convenience of use, electronic documents are beyond the reach of paper documents, but the variability of electronic documents has long restricted people's trust in them. The current technical means to prevent forgery and modification mainly rely on digital certification (CA) technolo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62G06F21/64G06F16/11
CPCG06F16/11G06F21/64G06F21/6209
Inventor 鲁鉴袁勤勇金坚路军芳孙余墉
Owner ZHEJIANG ELECTRIC POWER DESIGN INST
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