Public opinion evidence storage information erasable disposal method based on block chain

Abstract

The invention discloses a public opinion evidence storage information erasable disposal method based on a block chain. The method can realize automatic deletion of a failed public opinion informationaccess port, is simple and quick to operate, can prevent data from being modified or stolen, is realized based on a public opinion evidence storage information platform. The method comprises the following steps of: obtaining public opinion evidence storage information; encrypting the public opinion evidence storage information; uploading and storing the public opinion evidence storage information;obtaining evidences of the public opinion evidence storage information; obtaining plaintext information; and uploading abstracts of the plaintext information to a block chain for storage at the end of evidence taking, and uploading storage node position of the plaintext information to an external database, and storing the storage node position; and under the condition that the public opinion storage information in the block chain exceeds a storage life specified by the law, searching the public opinion storage information exceeding the storage life by utilizing a smart contract of the block chain, and cancelling the positioning of the public opinion evidence storage information exceeding the storage life.

Description

technical field [0001] The invention relates to the technical field of Internet information processing, in particular to a block chain-based erasable disposal method for public opinion evidence storage information. Background technique [0002] Public opinion information refers to the information, news, news, intelligence, instructions, and data used to objectively reflect the state of public opinion and its movement during the information movement process of collecting, sorting, analyzing, reporting, utilizing, and giving feedback on the social and political attitudes of the people. One of the important tasks of public opinion information work is to analyze public opinion. Only by in-depth analysis of complex and changeable public opinion can we grasp the essence of public opinion and accurately judge the trend of public opinion changes. [0003] With the development of Internet information technology, in order to facilitate the effective management of public opinion eviden...

AI Technical Summary

Problems solved by technology

[0005] In view of the waste of storage space for invalid public opinion information existing in the existing centralized technology, the time-consuming and labor-intensive way of artificially deleting the invalid public opinion information stored in the centralization, and the lack of security of public opinion information protection in the existing third-party certificate storage system, it is easy to In order to solve the problem of information being stolen due to the attack of an opponent, the present invention provides a blockchain-based erasable disposal method for public opinion evidence storage information, which can realize automatic deletion of invalid public opinion information access ports, simple and fast operation, and can prevent Data was modified or stolen

Images