CN112115497B - Block chain-based public opinion storage information erasable treatment method - Google Patents
Block chain-based public opinion storage information erasable treatment method Download PDFInfo
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- CN112115497B CN112115497B CN202011039245.7A CN202011039245A CN112115497B CN 112115497 B CN112115497 B CN 112115497B CN 202011039245 A CN202011039245 A CN 202011039245A CN 112115497 B CN112115497 B CN 112115497B
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- G06F21/60—Protecting data
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Abstract
The invention discloses a block chain-based public opinion storage information erasable treatment method, which can realize automatic deletion of invalid public opinion information access ports, is simple and quick to operate, can prevent data from being modified or stolen, and is realized based on a public opinion storage information platform, and comprises the following steps: the public opinion storage information is obtained, encryption is carried out on the public opinion storage information, uploading and storage are carried out on the public opinion storage information, evidence is obtained on the public opinion storage information, plaintext information is obtained, when evidence collection is finished, the abstract of the plaintext information is uploaded to a blockchain for storage, meanwhile, the storage node position of the plaintext information is uploaded to an external database and stored, if the public opinion storage information in the blockchain exceeds a legal provision storage period, the public opinion storage information exceeding the period is searched by utilizing an intelligent contract of the blockchain, and the positioning of the public opinion storage information exceeding the period is cancelled.
Description
Technical Field
The invention relates to the technical field of Internet information processing, in particular to a block chain-based public opinion storage information erasable treatment method.
Background
Public opinion information is information, voice messages, intelligence, instructions, data and signals used for objectively reflecting public opinion states and motion conditions thereof in the information motion process of collecting, arranging, analyzing, reporting, utilizing and feeding back the public opinion information, one of important tasks of public opinion information work is to analyze public opinion, deeply analyze public opinion with varied disputes and variations, and can grasp the essence of the public opinion, and accurately judge the trend of the public opinion variation.
With the development of internet information technology, in order to facilitate effective management of public opinion forensic information, electronic digital forensic information is gradually developed. The electronic certificate can be stored in a large scale, and meanwhile, various defects are caused, the electronic digital certificate has the characteristics of replicability, rejection and the like, so that the electronic certificate information can be tampered, the stored public opinion information can not be used as judicial evidence, and the fact judgment can be influenced.
The existing third party evidence storage platform is mainly stored in a centralized mode, and the mode of centrally managing data in evidence storage in a short time is quite convenient. However, the centralized platform has limited storage space, and once the data storage reaches a certain limit, the data storage space is released by manually performing periodic maintenance and manually deleting the invalid public opinion deposit data content by an operating system. In addition, the centralized storage mode is also easy to suffer from single-point attack, and the data can be modified, polluted or stolen.
Disclosure of Invention
Aiming at the problems that the storage space is wasted by invalid public opinion information in the existing centralization technology, the time and the labor are wasted by manually deleting the centralized stored invalid public opinion information, and the problem that the public opinion information protection mode in the existing third party evidence storage system is insufficient in safety and is easy to be stolen due to adversary attack, the invention provides the erasable treatment method for the public opinion information based on the block chain, which can realize the automatic deletion of an invalid public opinion information access port, is simple and quick to operate and can prevent data from being modified or stolen.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the method is based on a public opinion storage information platform and is characterized by comprising the following steps:
s1, collecting public opinion information to obtain public opinion storage information;
s2, encrypting the public opinion storage information to obtain encrypted public opinion storage information;
s3, uploading and storing the encrypted public opinion storage information;
s31, uploading the encrypted public opinion storage information to a blockchain for storage;
establishing an Internet information writing mechanism based on a blockchain, and writing the encrypted public opinion storage information into the blockchain through a blockchain network;
s32, uploading the node positions corresponding to the encrypted public opinion information to an external database for storage through the public opinion information platform;
s4, obtaining evidence from the public opinion evidence information to obtain plaintext information;
s41, inquiring the node position corresponding to the encrypted public opinion storage information through the external database when obtaining evidence;
s42, calling the encrypted public opinion information of the node position from the blockchain;
s43, reversely decoding the encrypted public opinion storage information to obtain readable public opinion storage information, wherein the readable public opinion storage information is the plaintext information;
s5, uploading the abstract of the plaintext information to the blockchain for storage after evidence collection is finished, and uploading the storage node position of the abstract of the plaintext information to the external database for storage;
and S6, if the encrypted public opinion storage information in the blockchain exceeds a specified storage period, searching the public opinion storage information exceeding the storage period by utilizing an intelligent contract of the blockchain, and canceling the positioning of the public opinion storage information exceeding the storage period.
It is further characterized in that the specific time of the shelf life set in the smart contract is flexibly set according to actual demands, the shelf life being 1 year, 2 years, 5 years, 10 years, etc.;
in step S31, the encrypted public opinion information is uploaded to the blockchain for storage and then converted into endogenous data;
deleting the public opinion storage information exceeding a deadline by adopting the intelligent contract, wherein the method comprises the following steps of: initializing the mapping position of the encrypted public opinion storage information exceeding the deadline in the blockchain;
deleting the corresponding mapping position in the external database;
the public opinion storage information platform comprises at least one platform internal processor, an internal memory connected with the platform internal processor and a network interface, wherein the network interface is an Internet and blockchain Ethernet network interface and is used for connecting public opinion storage information data flow with a blockchain Ethernet network and realizing communication connection between the public opinion storage information platform and an external database through the Ethernet network.
The structure of the invention can achieve the following beneficial effects: the public opinion storage information is uploaded to the blockchain after being encrypted, and the encrypted public opinion storage information is uploaded to an external database, and plaintext information can be obtained only by reversely decoding the encrypted public opinion storage information when obtaining evidence, so that data is prevented from being stolen; when the evidence collection is finished, service personnel can only upload the abstract of the plaintext information to the blockchain for storage, so that the data is prevented from being modified; the method utilizes the intelligent contracts of the blockchain to search the encrypted public opinion storage information exceeding the deadline, cancels the positioning of the encrypted public opinion storage information exceeding the deadline, deletes the node position information of the encrypted public opinion storage information corresponding to the blockchain from an external database, thereby deleting the block link entry of the invalid public opinion storage information, and business personnel cannot search the corresponding public opinion storage information block through the external database, thereby realizing the automatic deletion of the invalid public opinion information access entry, and being simple and quick to operate.
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FIG. 1 is a flow chart of the present invention.
Detailed Description
Referring to fig. 1, a public opinion information erasable processing method based on a blockchain is based on an existing public opinion information platform, wherein the public opinion information platform comprises at least one platform internal processor, an internal memory connected with the platform internal processor, and a network interface, and the internal memory can be used as the blockchain to store public opinion information;
the public opinion information platform is connected with an external server through an Ethernet, and the external server comprises an external memory which can be used as an external database to store public opinion information uploaded by the public opinion information platform; the external database is connected with an information input module and a display module, the information input module comprises a touch display or a keyboard, service personnel send out evidence obtaining instructions through the touch display or the keyboard, and meanwhile, the node positions of public opinion information and public opinion information are displayed through the display in the display module.
External memory, internal memory, including non-persistent memory in a computer-readable medium;
based on the existing public opinion information platform and an external processor, the public opinion information is erased and the like, and the public opinion information erasing treatment method comprises the following steps:
s1, public opinion information acquisition, namely acquiring public opinion storage information X by adopting an existing public opinion monitoring system;
s2, encrypting the public opinion storage information X to obtain encrypted public opinion storage information, wherein a safe encryption engine module is arranged in the public opinion storage information platform, and the public opinion storage information X is converted by adopting the existing RSA algorithm and CCEP algorithm by utilizing the safe encryption engine module, so that the public opinion storage information X is converted into a message which cannot be read by anyone without a correct computer key, and therefore the public opinion storage information is prevented from being stolen;
s3, uploading and storing the encryption public opinion storage information X;
s31, uploading the encrypted public opinion storage information X to an internal memory, namely storing the encrypted public opinion storage information X through block chain storage;
before uploading, firstly establishing an Internet information writing mechanism based on a blockchain, establishing a communication node through a network module, writing the encrypted public opinion information into the blockchain, uploading the encrypted public opinion information to the blockchain for storage, and then converting the encrypted public opinion information into endogenous data to form a chained structure;
s32, uploading the node positions corresponding to the encrypted public opinion storage information to an external database through a public opinion storage information platform, and storing the node positions; in this embodiment, after the encrypted public opinion information is stored in the blockchain, each public opinion information is stored in a public opinion block mode, including public opinion information 1 and public opinion information 2 … … public opinion information n, where n is an integer greater than or equal to zero;
s4, obtaining evidence from public opinion evidence information to obtain plaintext information;
s41, inquiring the node position corresponding to the encrypted public opinion evidence storage information through an external database and issuing evidence obtaining instructions through a keyboard during evidence obtaining;
s42, the external database calls the encrypted public opinion information of the node position from the blockchain;
s43, reversely decoding the encrypted public opinion storage information to obtain readable public opinion storage information, namely plaintext information; the existing RSA algorithm and CCEP algorithm are adopted to carry out decryption operation, so that an independent shared key is obtained, the shared key is used for decrypting the identification key, a random key is obtained, and a technician inputs the random key to an external server through a keyboard to decrypt the encrypted public opinion storage information;
s5, uploading the abstract of the plaintext information to a blockchain for storage when the evidence collection is finished, and uploading the storage node position of the abstract of the plaintext information to an external database for storage;
and S6, if the encrypted public opinion storage information in the blockchain exceeds the legal storage life, searching the encrypted public opinion storage information exceeding the life by utilizing the intelligent contract of the blockchain, and canceling the positioning of the encrypted public opinion storage information exceeding the life, namely deleting the storage node position of the encrypted public opinion storage information exceeding the life in the external database. The storage life set in the intelligent contract of the embodiment is five years, the intelligent contract on the blockchain triggers the index deletion event, and the invalid public opinion deposit information on the chain is processed, and the intelligent contract method comprises the following steps: firstly, initializing the mapping position of encrypted public opinion storage information exceeding a deadline in a blockchain; and secondly, deleting the corresponding mapping position in the external database, namely signaling the external database through the public opinion information platform, and automatically deleting the storage position information of the related endogenous encrypted public opinion information by utilizing the intelligent contract to operate the external distributed storage database, so that the automatic deletion of an invalid public opinion information access port is realized, and a business person cannot find a corresponding public opinion information block through the external database.
The invention is applied to an internet information management and public opinion supervision system, the rights and interests of an information main body are practically maintained by constructing an intelligent contract which satisfies logical elimination of public opinion storage information about to lose efficacy for a plurality of years, and the public opinion storage platform established by utilizing the characteristics of transparent disclosure and high efficiency of a blockchain is used for storing and obtaining evidence of the public opinion information, and meanwhile, the safety and accuracy of the public opinion storage information in a legal protection range are ensured; public opinion forensic information outside the legal protection range is always encrypted and placed on a chain, and the position of deleting the public opinion forensic information is set by automatic combination, so that the expiration information cannot be accurately positioned; in this embodiment, steps S1 to S5 are mainly operated by technicians, and step S6 is mainly operated by service personnel, which can be the supervisory personnel of government authorities, and when the public opinion information is managed by a computer or other devices, the service personnel cancel the positioning of the public opinion information corresponding to the blockchain from the external database, so that after deleting the link, the corresponding public opinion information can not be accurately found, and the management of the public opinion information is facilitated. And the invalid public opinion deposit information in the block chain is also encrypted, and can not be referred on the premise of not obtaining a specific decryption mode, thereby preventing data from being modified or stolen.
The above are only preferred embodiments of the present application, and the present invention is not limited to the above examples. It is to be understood that other modifications and variations which may be directly derived or contemplated by those skilled in the art without departing from the spirit and concepts of the present invention are deemed to be included within the scope of the present invention.
Claims (4)
1. The method is realized based on a public opinion resident information platform and is characterized by comprising the following steps:
obtaining public opinion storage information;
encrypting the public opinion storage information to obtain encrypted public opinion storage information;
uploading and storing the encrypted public opinion storage information: uploading the encrypted public opinion storage information to a blockchain for storage; uploading the node positions corresponding to the encrypted public opinion information to an external database through the public opinion information platform, and storing the node positions;
the public opinion forensic information obtains evidence and obtains plaintext information: inquiring the node position corresponding to the public opinion storage information through the external database during evidence collection; invoking the encrypted public opinion forensic information of the node location from the blockchain; performing reverse decoding on the encrypted public opinion storage information to obtain readable public opinion storage information, wherein the readable public opinion storage information is the plaintext information; uploading the abstract of the plaintext information to the blockchain for storage after evidence collection is finished, and uploading the storage node position of the abstract of the plaintext information to the external database for storage;
if the encrypted public opinion information in the blockchain exceeds a specified preservation period, searching the node position of the encrypted public opinion information exceeding the period by utilizing an intelligent contract of the blockchain, and canceling the positioning of the public opinion information exceeding the period.
2. The blockchain-based public opinion information erasable treatment method of claim 1, wherein the smart contract is employed to cancel the positioning of the public opinion information beyond a deadline, the cancellation method comprising: firstly, initializing the mapping position of the encrypted public opinion storage information exceeding the deadline in the blockchain; and secondly, deleting the corresponding mapping position in the external database.
3. The method for erasable treatment of public opinion information based on block chain according to any one of claims 1 or 2, wherein the public opinion information platform comprises at least one platform internal processor, an internal memory connected with the platform internal processor, and a network interface, wherein the network interface is an internet and block chain ethernet interface, and is used for connecting the public opinion information data stream with a block chain ethernet network, and the communication connection between the public opinion information platform and the external database is realized through the ethernet network.
4. The method of claim 3, wherein the external database is a distributed storage database.
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