CN114117492A - Blockchain-based complaint collection and privacy protection method and system - Google Patents
Blockchain-based complaint collection and privacy protection method and system Download PDFInfo
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- CN114117492A CN114117492A CN202111439000.8A CN202111439000A CN114117492A CN 114117492 A CN114117492 A CN 114117492A CN 202111439000 A CN202111439000 A CN 202111439000A CN 114117492 A CN114117492 A CN 114117492A
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Abstract
The invention provides a complaint opinion collecting and privacy protecting method and system based on a block chain, which relate to the technical field of the block chain and comprise the following steps: the local user generates a user public and private key pair according to the identity factor data characteristics of the local user; the method comprises the steps that a user sends information to an acceptance mechanism through a block chain to submit complaint contents, the encrypted complaint contents are transmitted to a business administration and management mechanism in an encryption mode by using a public key disclosed by the acceptance mechanism, and the business administration and management mechanism obtains the information by using an account private key for decryption; and after the business administration and management organization accepts, generating a non-homogeneous general certificate A, and if the business administration and management organization confirms that the user is the efficiency of handling the affairs of the malicious disturbing public institution according to the complaint content, defining the non-homogeneous general certificate A as a malicious certificate. The invention enhances privacy protection, improves communication efficiency, avoids the problems of being known by others, information leakage and the like, perfects reward and punishment mechanism, and solves the hidden danger problems of no survival of some users, subsequent contact interruption and the like.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a complaint opinion collecting and privacy protecting method and system based on a block chain.
Background
The blockchain is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism and an encryption algorithm. The Blockchain (Blockchain) is an important concept of the bitcoin, which is essentially a decentralized database, and is used as the underlying technology of the bitcoin, and is a series of data blocks which are generated by using a cryptographic method to be related, wherein each data block contains information of a batch of bitcoin network transactions, and the information is used for verifying the validity (anti-counterfeiting) of the information and generating the next block.
The invention patent with publication number CN108629602A discloses a food quality safety management system and method based on block chain technology, the system includes a storage layer, a service layer, an interface layer, a functional layer, a management layer and a user layer; the method comprises intelligent food quality management and food quality safety control. The method utilizes the characteristics of decentralized, transparent and non-falsifiable information and the like of the block chain technology, realizes automatic data acquisition by combining the internet of things sensor technology, realizes mining and analysis of data information by the big data technology, and establishes a distributed, efficient and reliable food safety traceability system.
The invention patent with publication number CN112837776A discloses a block chain data privacy security protection method based on a prescription flow platform, which includes: the prescription flow platform receives a login request of a user and verifies the identity of the user; calling an authority contract pre-associated with the user identity according to the user identity; assigning the user rights according to the rights contract; and according to the authority, storing data to a data safety box or calling data from the data safety box.
When the majority of consumers fulfill citizen rights in real names and dispute with consumption rights and interests with operators, privacy disclosure risks exist due to the existing imperfect information system, and on the other hand, the disadvantage of anonymous reporting is that continuous communication cannot be realized by tracing.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a complaint opinion collecting and privacy protecting method and system based on a block chain.
According to the complaint opinion collecting and privacy protecting method and system based on the block chain, the scheme is as follows:
in a first aspect, a complaint opinion collecting and privacy protecting method based on a block chain is provided, the method comprising:
step S1: the client generates a user public and private key pair according to the identity element data characteristics of the user;
step S2: establishing a block chain for distributed operation commonly used by each regional industrial and commercial administrative management organization, and acquiring complaint contents sent to a receiving organization from a user through the block chain, wherein the user is in an anonymous state;
step S3: transmitting the encrypted complaint content to the industrial and commercial administrative management institution by using a public key disclosed by the acceptance institution for encryption, wherein the industrial and commercial administrative management institution acquires information by using an account private key for decryption;
step S4: after the business administration mechanism accepts, a non-homogeneous certificate A is generated according to the record of the event, the A can be transmitted and upgraded among different supervision mechanisms, and the transfer of the non-homogeneous certificate A can only occur after the confirmation of both parties;
step S5: and if the industry and commerce administrative administration confirms that the user abnormally sends the information according to the complaint content, defining the non-homogenization certificate A as a malicious certificate.
Preferably, the step S1 includes: generating a new character string by a symmetric encryption method according to the character string spliced by the name, the place of birth, the ID card number and the preset password, performing fixed hash function operation on the new character string to generate a user public and private key pair, and binding each local user with only one account.
Preferably, in step S2, the user submits the complaint content in a manner of sending information to the acceptance organization on the blockchain, and all information transmitted by the user in the blockchain is public and traceable, and at the same time, the privacy of the user is guaranteed.
Preferably, the step S4 includes: the industrial and commercial administrative management organization gives the non-homogeneous general certificate A to the user, and after confirming that the information submitted by the user is correct, any user is allowed to unlock the bonus in the intelligent contract by sending the non-homogeneous general certificate A to the intelligent contract by setting a bonus intelligent contract, wherein the non-homogeneous general certificate A serves as a reward certificate.
Preferably, the user holding the malicious credentials in step S5 is restricted in participating in the service community ecological chain activity, thereby reducing the credit rating.
In a second aspect, there is provided a block chain based complaint opinion collection and privacy protection system, the system comprising:
module M1: the client generates a user public and private key pair according to the identity element data characteristics of the user;
module M2: establishing a block chain for distributed operation commonly used by each regional industrial and commercial administrative management organization, and acquiring complaint contents sent to a receiving organization from a user through the block chain, wherein the user is in an anonymous state;
module M3: transmitting the encrypted complaint content to the industrial and commercial administrative management institution by using a public key disclosed by the acceptance institution for encryption, wherein the industrial and commercial administrative management institution acquires information by using an account private key for decryption;
module M4: after the business administration mechanism accepts, a non-homogeneous certificate A is generated according to the record of the event, the A can be transmitted and upgraded among different supervision mechanisms, and the transfer of the non-homogeneous certificate A can only occur after the confirmation of both parties;
module M5: and if the industry and commerce administrative administration confirms that the user abnormally sends the information according to the complaint content, defining the non-homogenization certificate A as a malicious certificate.
Preferably, the module M1 includes: generating a new character string by a symmetric encryption method according to the character string spliced by the name, the place of birth, the ID card number and the preset password, performing fixed hash function operation on the new character string to generate a user public and private key pair, and binding each local user with only one account.
Preferably, in the module M2, the user submits the complaint content in a manner of sending information to the acceptance organization on the blockchain, and all information transmitted by the user in the blockchain is public and can be traced, and the privacy of the user is guaranteed.
Preferably, the module M4 includes: the industrial and commercial administrative management organization gives the non-homogeneous general certificate A to the user, and after confirming that the information submitted by the user is correct, any user is allowed to unlock the bonus in the intelligent contract by sending the non-homogeneous general certificate A to the intelligent contract by setting a bonus intelligent contract, wherein the non-homogeneous general certificate A serves as a reward certificate.
Preferably, the user holding the malicious credentials in the module M5 is restricted from participating in the service community ecolink activity, and the credit rating is lowered.
Compared with the prior art, the invention has the following beneficial effects:
1. the client generates a unique public key address for the personal identity element and transmits information through the block chain, so that the problems that the real name is easy to leak information and the anonymous information cannot be traced under the traditional mode are solved, the privacy protection is enhanced, and the communication efficiency is improved;
2. by the aid of the asymmetric encryption and decryption technology, point-to-point communication between a user and an official party when the user submits information is guaranteed, and the problems that the user is known by others and information is leaked are avoided;
3. by adopting a non-homogeneous general evidence technology, the method is closely bound with a private user, a joint supervision mechanism and a reward and punishment mechanism for the user of each management department are perfected, and the hidden danger problems of no Chinese existence of some users, follow-up connection interruption and the like are solved.
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Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the overall process of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
An embodiment of the present invention provides a complaint opinion collecting and privacy protecting method based on a block chain, and as shown in fig. 1, the method includes:
a local user generates a character string by a symmetric encryption method under a link according to the character string spliced by the identity element data characteristics of the local user, namely name, place of birth, identification card number and preset password, and a user public and private key pair can be generated after the character string is subjected to fixed hash function operation. Because the identity feature of an individual is unique, each local user cannot apply for multiple public key addresses and can only be bound to a unique account.
The regional industrial and commercial administrative authorities co-establish a distributed operation block chain for receiving data transmitted by user addresses, and as the user accounts are public key addresses, identity element data cannot be deduced through the public key addresses according to the characteristics of the hash function, all users participate anonymously in the community management stage.
Based on the characteristics of the blockchain, all the information transferred by the users in the blockchain is public and traceable. The user can submit unfair service content by sending information to the acceptance mechanism on the block chain, and the privacy of the user is guaranteed while the information is guaranteed to be publicly traceable.
An intelligent contract is deployed in the blockchain, and the intelligent contract allows an organization to generate scalable non-homogeneous evidence by taking time, place, reporting object and event processing process in reporting information as attributes. The contract allows for transfer between receiving agencies and for joint review between agencies by standardizing the data of the reported information.
In order to ensure privacy of the complaint content of the user, the user can transmit the encrypted complaint content to the industrial and commercial administration and management organization by encrypting the complaint content by using a public key disclosed by the acceptance organization. The institution may obtain the information by decrypting it using the account private key.
Assuming that the reported problem relates to three mechanisms a, b and c, after an industrial and commercial administrative administration mechanism a accepts, a non-homogenization evidence A is generated and transferred to the mechanism b according to the record of an event by taking the time, the place, the reporting object, the event process and the self acceptance record as attributes, the non-homogenization evidence A is upgraded to A ' and transferred to the mechanism b through an intelligent contract according to the self acceptance record, the non-homogenization evidence A is upgraded to A ' and transferred to the mechanism c through the intelligent contract according to the self acceptance record, and the non-homogenization evidence A is upgraded to A ' and submitted to a checking mechanism through the intelligent contract according to the self acceptance record. The upgrading process recorded with A, A 'and A' and the examination record of a, b and c are completed on the block chain, so that the examination fraud is effectively prevented, and effective guarantee is provided for the joint supervision at different places.
The non-homogenous certificate has the characteristic that the transfer can occur only after the confirmation of both the receiving and the payment is required. And finally, giving the non-homogenization evidence A 'to the user by the management mechanism, and allowing any user to unlock the prizes in the intelligent contract by setting a prize intelligent contract after confirming that the information submitted by the user is correct and sending the non-homogenization evidence A' to the intelligent contract. The non-homogenous certificate a "serves as a reward certificate.
If the management organization confirms that the user is maliciously disturbing the working efficiency of the public institution and submits false information, the non-homogenization general certificate A' can be defined as a malicious certificate. The users who hold the malicious certificates are limited in participation of the service community ecological chain activities, credit rating is reduced, and in the long term, if the system is widely and continuously applied in multiple fields in the future, the punishment records are bound with accounts, so that the occurrence probability of the malicious behaviors of the users is reduced.
The invention also provides a complaint opinion collection and privacy protection system based on the block chain, which comprises 5 modules, and specifically comprises the following modules:
module M1: the local user generates a user public and private key pair according to the identity factor data characteristics of the local user;
specifically, a new character string is generated through a symmetric encryption method according to a character string spliced by a name, a place of birth, an identity card number and a preset password, a user public and private key pair can be generated after the new character string is subjected to fixed hash function operation, and each local user is only bound with a unique account. Because the identity feature of an individual is unique, each local user cannot apply for multiple public key addresses and can only be bound to a unique account.
Module M2: the method comprises the steps that a block chain of distributed operation is built by each regional industrial and commercial administrative management organization together, a user submits complaint contents by sending information to a receiving organization through the block chain, and as the user account is a public key address, identity element data cannot be deduced through the public key address according to the characteristics of a hash function, all users participate anonymously in a community management stage.
Based on the characteristics of the blockchain, all the information transferred by the users in the blockchain is public and traceable. The user can submit the complaint content by sending information to the acceptance mechanism on the block chain, and the privacy of the user is guaranteed while the information is guaranteed to be public and traceable.
Module M3: in order to ensure the privacy of the complaint content, the encrypted complaint content is transmitted to the industrial and commercial administrative management institution in an encryption mode by using a public key disclosed by the acceptance institution, and the industrial and commercial administrative management institution acquires information by using an account private key for decryption;
module M4: after the business administration and management organization accepts, a non-homogeneous certificate A is generated according to the record of the event, and the non-homogeneous certificate A has the characteristic that the transfer can be carried out only after the transfer needs to be confirmed by both the receiving party and the payment party. The non-homogeneous currency A can be transferred and upgraded among different institutions, and further the effect of joint examination is achieved. And the management mechanism gives the upgraded non-homogenization evidence A to the user, and after confirming that the information submitted by the user is correct, any user is allowed to unlock the prizes in the intelligent contract by setting a prize intelligent contract and sending the non-homogenization evidence A to the intelligent contract. In this case the non-homogenous certificate a serves as a reward certificate.
Module M5: if the management organization confirms that the user is malicious and disturbs the working efficiency of the public institution and submits false information, the non-homogeneous certificate A can be defined as a malicious certificate. The user holding the voucher is limited in participation of the service community ecological chain activity, credit rating is reduced, and if the system is widely and continuously applied in multiple fields in the future, punishment records are bound with accounts, so that the probability of occurrence of the user's malignant behavior is reduced.
The embodiment of the invention provides a complaint opinion collecting and privacy protecting method and system based on a block chain, which solves the problems of irretrievable anonymous information, incapable of continuous and effective communication and the like in a traditional mode in view of the transparency, the concealment and the tamperproof property of the block chain, and realizes the information symmetry to protect the timeliness and the authenticity of the information; secondly, the system enables other participants to collaboratively investigate and supervise aiming at a specific public case under the permission of a public management department; and finally, carrying out reward and punishment on the user by a public institution by screening the real information and the false information.
Those skilled in the art will appreciate that, in addition to implementing the system and its various devices, modules, units provided by the present invention as pure computer readable program code, the system and its various devices, modules, units provided by the present invention can be fully implemented by logically programming method steps in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units included in the system for realizing various functions can also be regarded as structures in the hardware component; means, modules, units for performing the various functions may also be regarded as structures within both software modules and hardware components for performing the method.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A complaint opinion collecting and privacy protecting method based on a block chain is characterized by comprising the following steps:
step S1: the client generates a user public and private key pair according to the identity element data characteristics of the user;
step S2: establishing a block chain for distributed operation commonly used by each regional industrial and commercial administrative management organization, and acquiring complaint contents sent to a receiving organization from a user through the block chain, wherein the user is in an anonymous state;
step S3: transmitting the encrypted complaint content to the industrial and commercial administrative management institution by using a public key disclosed by the acceptance institution for encryption, wherein the industrial and commercial administrative management institution acquires information by using an account private key for decryption;
step S4: after the business administration mechanism accepts, a non-homogeneous certificate A is generated according to the record of the event, the A can be transmitted and upgraded among different supervision mechanisms, and the transfer of the non-homogeneous certificate A can only occur after the confirmation of both parties;
step S5: and if the industry and commerce administrative administration confirms that the user abnormally sends the information according to the complaint content, defining the non-homogenization certificate A as a malicious certificate.
2. The method for complaint opinion collection and privacy protection based on block chain as claimed in claim 1, wherein the step S1 includes: generating a new character string by a symmetric encryption method according to the character string spliced by the name, the place of birth, the ID card number and the preset password, performing fixed hash function operation on the new character string to generate a user public and private key pair, and binding each local user with only one account.
3. The method for complaint opinion collection and privacy protection based on blockchain according to claim 1, wherein in step S2, the user submits the complaint content by sending information to the acceptance organization on the blockchain, and all the information transmitted by the user in the blockchain is public and traceable, and the privacy of the user is ensured.
4. The method for complaint opinion collection and privacy protection based on block chain as claimed in claim 1, wherein the step S4 includes: the industrial and commercial administrative management organization gives the non-homogeneous general certificate A to the user, and after confirming that the information submitted by the user is correct, any user is allowed to unlock the bonus in the intelligent contract by sending the non-homogeneous general certificate A to the intelligent contract by setting a bonus intelligent contract, wherein the non-homogeneous general certificate A serves as a reward certificate.
5. The method of claim 1, wherein the user holding the malicious credentials in step S5 is restricted from participating in the service community ecological chain activity, thereby reducing the credit rating.
6. A complaint opinion collection and privacy protection system based on blockchains, comprising:
module M1: the client generates a user public and private key pair according to the identity element data characteristics of the user;
module M2: establishing a block chain for distributed operation commonly used by each regional industrial and commercial administrative management organization, and acquiring complaint contents sent to a receiving organization from a user through the block chain, wherein the user is in an anonymous state;
module M3: transmitting the encrypted complaint content to the industrial and commercial administrative management institution by using a public key disclosed by the acceptance institution for encryption, wherein the industrial and commercial administrative management institution acquires information by using an account private key for decryption;
module M4: after the business administration mechanism accepts, a non-homogeneous certificate A is generated according to the record of the event, the A can be transmitted and upgraded among different supervision mechanisms, and the transfer of the non-homogeneous certificate A can only occur after the confirmation of both parties;
module M5: and if the industry and commerce administrative administration confirms that the user abnormally sends the information according to the complaint content, defining the non-homogenization certificate A as a malicious certificate.
7. The system according to claim 6, wherein said module M1 comprises: generating a new character string by a symmetric encryption method according to the character string spliced by the name, the place of birth, the ID card number and the preset password, performing fixed hash function operation on the new character string to generate a user public and private key pair, and binding each local user with only one account.
8. The system according to claim 6, wherein in the module M2, the users submit the complaints in a manner of sending information to the acceptance organization on the blockchain, and all the information transmitted by the users in the blockchain is public and traceable, and the privacy of the users is ensured.
9. The system according to claim 6, wherein said module M4 comprises: the industrial and commercial administrative management organization gives the non-homogeneous general certificate A to the user, and after confirming that the information submitted by the user is correct, any user is allowed to unlock the bonus in the intelligent contract by sending the non-homogeneous general certificate A to the intelligent contract by setting a bonus intelligent contract, wherein the non-homogeneous general certificate A serves as a reward certificate.
10. The system according to claim 6, wherein said users holding said malicious credentials in module M5 are restricted from participating in the service community ecochain activity, decreasing the credit rating.
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