An information validity detection method and device based on a block chain

A detection method and blockchain technology, applied in the field of information security, can solve the problems that network information is easily tampered and validity cannot be guaranteed

Active Publication Date: 2019-04-02
北京庚金科技有限公司
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  • Claims
  • Application Information

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Problems solved by technology

[0003] This application provides a blockchain-based information validity detection method and device to

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  • An information validity detection method and device based on a block chain
  • An information validity detection method and device based on a block chain
  • An information validity detection method and device based on a block chain

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Embodiment Construction

[0061] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0062] see figure 1 , which is a flow chart of a blockchain-based information validity detection method provided in an embodiment of the present application, the method comprising:

[0063] Step 101, obtain the data uploaded by the publisher in the current block node, the data at least includes: publisher data, node information, uploaded data information and unique key;

[0064] Step 102. Collect and obtain the current data hash value of the data according to t...

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Abstract

The invention provides an information validity detection method and device based on a block chain, and the method comprises the steps of obtaining the data uploaded by a publisher at a current block node, carrying out the division of a preset unified rule of the block chain, and carrying out the collection and obtaining the Hash value of the current data; using the current block node to sign the current data hash value to obtain a current signature; using the current block node to encrypt the current data hash value to obtain current encrypted information; using the current block node to storethe current encrypted information and the current signature into the block according to the Merkle Tree data storage structure, and obtain the current information; broadcasting the current information, and synchronizing the current information to other block nodes; and using any adjacent trusted block node of the current block node to receive the current information broadcast by the current blocknode, and detecting the validity of the information according to the storage structure of the current information. According to the detection method and device provided by the invention, the problemsthat the existing data is easily tampered and the effectiveness cannot be ensured, can be effectively solved.

Description

technical field [0001] The present application relates to the technical field of information security, in particular to a block chain-based information validity detection method and device. Background technique [0002] The Internet is a new way of information dissemination, which relies on the TCP / IP protocol (network communication protocol), and the bottom layer does not care about the difference between the data transmitted above - for all intermediate dependent hardware devices (including routers, switches, etc. ), all data is 0 or 1. This indiscriminate transmission creates a high-speed channel for information duplication and widespread dissemination, creating the current era of information explosion. Although the Internet solves the problem of how to disseminate information quickly, it also brings new problems of information attribution. For example, we can browse any article on the Internet or watch any video downloaded from the Internet, but we have no way of knowin...

Claims

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Application Information

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IPC IPC(8): G06F21/60G06F21/62G06F21/64
CPCG06F21/602G06F21/6218G06F21/64
Inventor 王冰
Owner 北京庚金科技有限公司
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