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Alliance chain block chain bottom layer-based electronic archive data interaction method

A technology for electronic archives and data interaction, applied in the field of data interaction, to achieve the effect of changing the transmission method and operating system, ensuring safe interaction, and preventing malicious tampering

Pending Publication Date: 2021-09-03
江苏数予科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has obvious application advantages in the security interaction of electronic files, but there is not yet a reasonable and effective security interaction solution that can do a good job in authority supervision, security access, and encrypted communication interaction in terms of electronic file security interaction

Method used

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  • Alliance chain block chain bottom layer-based electronic archive data interaction method
  • Alliance chain block chain bottom layer-based electronic archive data interaction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] step 1:

[0035] The archives department submits the archive file package by calling the interface provided by the system described in the present invention in the original archive system, and the system smart contract invokes the virus pre-check and kill mechanism to check and kill the uploaded files, and analyzes and extracts the archive package information according to the file record specification. Store the file name, file number, package hash value, name of the file in the package, file creation time, file type, file size, file hash, etc. into the file metadata list, and then store the file metadata, encrypted package file and the signature file of the encrypted private key are submitted to the production node.

[0036] Step 2:

[0037] The production node receives the archive metadata and archive files for verification, and extracts the version number, hash value of the previous block, Merkle tree root value, and timestamp information to generate a "block header...

Embodiment 2

[0049] Please refer to figure 2 , the following combination figure 2 An implementation of the method and system described above is described.

[0050] step 1:

[0051] The archives department submits the archive file package by calling the interface provided by the system described in the present invention in the original archive system, and the system smart contract analyzes and extracts the archive package information according to the file record specification, and converts the file name, file number, package hash value, and file in the package The name, file creation time, file type, file size, archive file hash, etc. are stored in the archive meta information list, and then the archive meta information and archive package files are submitted to the production node together.

[0052] Step 2:

[0053] The production node receives the archive metadata and archive files for verification, and extracts the version number, hash value of the previous block, Merkle tree root v...

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Abstract

The invention discloses an alliance chain block chain bottom layer-based electronic archive data interaction method, which comprises a data layer, a network layer, a consensus layer and an application layer, and is characterized in that the data layer comprises block data, a chain structure, a digital signature, a Merkle tree and a timestamp; the network layer is used for constructing a P2P network, a propagation mechanism and a verification mechanism between block chain nodes; the consensus layer is used for confirming a consensus mechanism of the regional chain, and the application layer comprises an intelligent contract and a virtual machine. According to the invention, the problem of eavesdropping in the transmission process is solved by using the safety communication technology of the block chain technology; a chain type storage structure of the block chain is applied, so that the archive file can be effectively prevented from being maliciously tampered; the modification of the archive file by applying the block chain technology can be recorded and cannot be tampered, and the change track of the archive can be effectively recorded to play a traceability role; the signature encryption technology in the block chain technology is applied, so that safe interaction of archive files can be guaranteed, and the confidentiality requirement is effectively guaranteed.

Description

technical field [0001] The invention relates to the field of data interaction, and specifically refers to a method for electronic file data interaction based on the bottom layer of the alliance chain block chain. Background technique [0002] Solutions to electronic archives Electronic archives ensure that electronic archives information is eavesdropped, leaked, tampered with and forged, which is the core issue of electronic archives information security. [0003] Blockchain technology, also known as distributed ledger technology, is an emerging technology in which several computing devices jointly participate in "bookkeeping" and jointly maintain a complete distributed database. Since blockchain technology has the characteristics of decentralization, openness, transparency, and secure password mechanism, it is difficult to tamper with, traceable, each connected computing device can participate in data recording, and data synchronization between computing devices can be quic...

Claims

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Application Information

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IPC IPC(8): G06F16/13G06F16/178G06F21/56G06F21/60G06F21/62G06F21/64
CPCG06F16/137G06F16/178G06F21/568G06F21/602G06F21/6218G06F21/64
Inventor 于慧慧
Owner 江苏数予科技有限公司
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