CN110659518A - House property certificate storing method and device relating to block chain - Google Patents
House property certificate storing method and device relating to block chain Download PDFInfo
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- CN110659518A CN110659518A CN201910901208.3A CN201910901208A CN110659518A CN 110659518 A CN110659518 A CN 110659518A CN 201910901208 A CN201910901208 A CN 201910901208A CN 110659518 A CN110659518 A CN 110659518A
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Abstract
The application discloses a block chain-based house property certificate tracing method and a block chain-based house property certificate tracing device, which are applied to block chain nodes, wherein the method comprises the following steps: receiving a user property certificate uplink request of a service node, wherein the user property certificate uplink request is a request signed by the service node, the user property certificate uplink request comprises a user address and a signature certificate of a department of housing administration, and the service node is a node for assisting the user property certificate uplink; verifying the signature of the service node and the signature certificate of the department of housing management node; and after the verification is passed, packaging the user property certificate and the user address into a block so that the block chain system stores the block into a block chain after performing consensus verification on the block. The method can store the house property certificate information on the block chain, thereby facilitating the inquiry of the house property certificate information and solving the problem of house property certificate counterfeiting.
Description
Technical Field
The invention relates to the technical field of internet big data, in particular to a method and a device for storing a house property certificate of a block chain.
Background
Currently, the blockchain technology is a distributed stored ledger that uses technologies such as encryption algorithm and consensus mechanism. With the use of blockchain technology, more and more internet data is stored on the blockchain.
In addition, the blockchain technology has the characteristics of being not falsifiable and traceable. At present, the problem of counterfeiting of a house property certificate can be solved by adopting a block chain technology.
The foregoing description is merely for convenience in understanding and is not to be construed as limiting the prior art to the present application.
Disclosure of Invention
Based on the problems, the application discloses a house property certificate storing method and device relating to a block chain.
The application discloses a block chain-based house property certificate tracing method in a first aspect, which is applied to a block chain node, and the method comprises the following steps:
receiving a user property certificate uplink request of a service node, wherein the user property certificate uplink request is a request signed by the service node, the user property certificate uplink request comprises a user address and a signature certificate of a department of housing administration, and the service node is a node for assisting the user property certificate uplink;
verifying the signature of the service node and the signature certificate of the department of housing management node;
and after the verification is passed, packaging the user property certificate and the user address into a block so that the block chain system stores the block into a block chain after performing consensus verification on the block.
In one possible embodiment, the method further comprises: receiving a query request of user equipment, wherein the query request comprises a private key signature of the user equipment and a user address, and the user equipment is authenticated by a real name;
verifying the private key signature of the user equipment by using the public key of the user equipment;
and after the verification is passed, sending the house property certificate information corresponding to the user address to the user equipment.
In a possible embodiment, the block link node verifies the signature of the service node and the signature certificate of the department of housing node; the method specifically comprises the following steps:
verifying the private key signature of the service node by using the public key of the service node;
and verifying the signature certificate of the department of housing management node by using the public key of the department of housing management node.
In one possible embodiment, the user house property certificate includes one or more of house address, house type, house floor area, house real estate, and house property holders.
In one possible embodiment, the property certificate of the user further includes bibliographic change information of the property certificate.
The application of the second aspect discloses a house property certificate traceability device based on a block chain, which is applied to a block chain node, wherein the block chain node comprises a receiving unit and a processing unit.
The receiving unit is used for receiving a user property certificate uplink request of a service node, wherein the user property certificate uplink request is a request signed by the service node, the user property certificate uplink request comprises a user address and a signature certificate of a department of housing management, and the service node is a node for assisting the user property certificate uplink;
the processing unit is used for verifying the signature of the service node and the signature certificate of the department of housing management node;
and the processing unit packages the user property certificate and the user address into a block after the verification is passed, so that the block chain system stores the block into a block chain after the block chain system performs consensus verification on the block.
In a possible embodiment, the blockchain node further comprises a sending unit; the receiving unit receives an inquiry request of user equipment, wherein the inquiry request comprises a private key signature of the user equipment and a user address, and the user equipment is authenticated by a real name;
the processing unit is used for verifying the private key signature of the user equipment by using the public key of the user equipment;
and the sending unit sends the property certificate information corresponding to the user address to the user equipment after the verification is passed.
In a possible embodiment, the processing unit verifies the signature of the service node and the signature certificate of the department of housing node; the method specifically comprises the following steps:
the processing unit verifies the private key signature of the service node by using the public key of the service node;
and the processing unit verifies the signature certificate of the department node by using the public key of the department node.
In one possible embodiment, the user house property certificate includes one or more of house address, house type, house floor area, house real estate, and house property holders.
In one possible embodiment, the property certificate of the user further includes bibliographic change information of the property certificate.
This application can let the storage of property certificate information on the block chain to conveniently inquire property certificate information, solved the property certificate problem of making fake.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for storing a property certificate relating to a blockchain disclosed in the present application;
FIG. 2 is a schematic structural diagram of a property certificate storage device relating to a blockchain according to the present disclosure;
fig. 3 is a schematic structural diagram of a property evidence storage device relating to a blockchain disclosed in the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first" and "second" in this application are used for convenience of understanding only, and are not to be construed as sequential or limiting in any way.
For the purpose of facilitating understanding of the embodiments of the present invention, the following description will be further explained with reference to specific embodiments, which are not to be construed as limiting the embodiments of the present invention.
As shown in FIG. 1, the building property certificate tracing method based on blockchain is applied to blockchain nodes, and the method includes steps S101-S103.
S101, receiving a user property certificate uplink request of a service node, wherein the user property certificate uplink request is a request signed by the service node, the user property certificate uplink request comprises a user address and a signature certificate of a department of housing administration, and the service node is a node assisting the user property certificate uplink.
S102, the signature of the service node and the signature certificate of the department of housing management node are verified.
S103, after the verification is passed, the user property certificate and the user address are packaged into a block, so that the block chain system stores the block into a block chain after the block chain system performs consensus verification on the block.
In one example, the method further comprises: receiving a query request of user equipment, wherein the query request comprises a private key signature of the user equipment and a user address, and the user equipment is authenticated by a real name;
verifying the private key signature of the user equipment by using the public key of the user equipment;
and after the verification is passed, sending the house property certificate information corresponding to the user address to the user equipment.
In one example, the block link node verifies the signature of the service node and the signature certificate of the department of housing node; the method specifically comprises the following steps:
verifying the private key signature of the service node by using the public key of the service node;
and verifying the signature certificate of the department of housing management node by using the public key of the department of housing management node.
In one example, the user house property certificate includes one or more of house address, house type, house floor area, house real estate, and house property holders.
In one example, the user property certificate further includes bibliographic change information for the property certificate.
This application can let the storage of property certificate information on the block chain to conveniently inquire property certificate information, solved the property certificate problem of making fake.
As shown in fig. 2, the building property source tracing apparatus based on the block chain is applied to a block chain node, and the block chain node includes a receiving unit and a processing unit.
The receiving unit is used for receiving a user property certificate uplink request of a service node, wherein the user property certificate uplink request is a request signed by the service node, the user property certificate uplink request comprises a user address and a signature certificate of a department of housing management, and the service node is a node for assisting the user property certificate uplink;
the processing unit is used for verifying the signature of the service node and the signature certificate of the department of housing management node;
and the processing unit packages the user property certificate and the user address into a block after the verification is passed, so that the block chain system stores the block into a block chain after the block chain system performs consensus verification on the block.
In one example, the blockchain node further comprises a transmitting unit; the receiving unit receives an inquiry request of user equipment, wherein the inquiry request comprises a private key signature of the user equipment and a user address, and the user equipment is authenticated by a real name;
the processing unit is used for verifying the private key signature of the user equipment by using the public key of the user equipment;
and the sending unit sends the property certificate information corresponding to the user address to the user equipment after the verification is passed.
In one example, the processing unit verifies a signature of the service node and a signature certificate of the department of housing node; the method specifically comprises the following steps:
the processing unit verifies the private key signature of the service node by using the public key of the service node;
and the processing unit verifies the signature certificate of the department node by using the public key of the department node.
In one example, the user house property certificate includes one or more of house address, house type, house floor area, house real estate, and house property holders.
In one example, the user property certificate further includes bibliographic change information for the property certificate.
This application can let the storage of property certificate information on the block chain to conveniently inquire property certificate information, solved the property certificate problem of making fake.
The application further discloses a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any of the above embodiments when executing the program.
The present application also discloses a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of any of the above embodiments.
Fig. 3 shows a schematic diagram of a computer device, which may include: a processor 310, a memory 320, an input/output interface 330, a communication interface 340, and a bus 350. Wherein the processor 340, the memory 320, the input/output interface 330, and the communication interface 340 are communicatively coupled to each other within the device via a bus 350.
The processor 310 may be implemented by a general-purpose CPU (Central Processing Unit), a microprocessor, an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits, and is configured to execute related programs to implement the technical solutions provided in the embodiments of the present specification.
The Memory 320 may be implemented in the form of a ROM (Read Only Memory), a RAM (Random Access Memory), a static storage device, a dynamic storage device, or the like. The memory 320 may store an operating system and other application programs, and when the technical solution provided by the embodiments of the present specification is implemented by software or firmware, the relevant program codes are stored in the memory 320 and called to be executed by the processor 310.
The input/output interface 330 is used for connecting an input/output module to realize information input and output. The i/o module may be configured as a component in a device (not shown) or may be external to the device to provide a corresponding function. The input devices may include a keyboard, a mouse, a touch screen, a microphone, various sensors, etc., and the output devices may include a display, a speaker, a vibrator, an indicator light, etc.
The communication interface 340 is used for connecting a communication module (not shown in the figure) to implement communication interaction between the present device and other devices. The communication module can realize communication in a wired mode (such as USB, network cable and the like) and also can realize communication in a wireless mode (such as mobile network, WIFI, Bluetooth and the like).
It should be noted that although the above-mentioned device only shows the processor 310, the memory 320, the input/output interface 330, the communication interface 340 and the bus 350, in a specific implementation, the device may also include other components necessary for normal operation. In addition, those skilled in the art will appreciate that the above-described apparatus may also include only those components necessary to implement the embodiments of the present description, and not necessarily all of the components shown in the figures.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, a software module executed by a processor, or a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the scope of the present invention should be included in the scope of the present invention.
Claims (10)
1. A house property certificate storing method relating to a block chain is characterized in that the method is applied to a block chain node and comprises the following steps:
receiving a user property certificate uplink request of a service node, wherein the user property certificate uplink request is a request signed by the service node, the user property certificate uplink request comprises a user address and a signature certificate of a department of housing administration, and the service node is a node for assisting the user property certificate uplink;
verifying the signature of the service node and the signature certificate of the department of housing management node;
and after the verification is passed, packaging the user property certificate and the user address into a block so that the block chain system stores the block into a block chain after performing consensus verification on the block.
2. The method of claim 1, further comprising:
receiving a query request of user equipment, wherein the query request comprises a private key signature of the user equipment and a user address, and the user equipment is authenticated by a real name;
verifying the private key signature of the user equipment by using the public key of the user equipment;
and after the verification is passed, sending the house property certificate information corresponding to the user address to the user equipment.
3. The method of claim 1, wherein the block link node verifies the signature of the service node and the signature certificate of the department of housing node; the method specifically comprises the following steps:
verifying the private key signature of the service node by using the public key of the service node;
and verifying the signature certificate of the department of housing management node by using the public key of the department of housing management node.
4. The method of claim 1, wherein the user property certificate comprises information on one or more of a house address, house type, house floor area, house real estate area, and house property holders.
5. The method of claim 1, wherein the user's property certificate further comprises bibliographic change information for the property certificate.
6. The house property certificate storing device related to the block chain is characterized by being applied to a block chain node, wherein the block chain node comprises a receiving unit and a processing unit; wherein,
the receiving unit is used for receiving a user property certificate uplink request of a service node, wherein the user property certificate uplink request is a request signed by the service node, the user property certificate uplink request comprises a user address and a signature certificate of a department of housing management, and the service node is a node for assisting the user property certificate uplink;
the processing unit is used for verifying the signature of the service node and the signature certificate of the department of housing management node;
and the processing unit packages the user property certificate and the user address into a block after the verification is passed, so that the block chain system stores the block into a block chain after the block chain system performs consensus verification on the block.
7. The apparatus of claim 6, wherein the blockchain node further comprises a transmitting unit; wherein,
the receiving unit receives an inquiry request of user equipment, wherein the inquiry request comprises a private key signature of the user equipment and a user address, and the user equipment is authenticated by a real name;
the processing unit is used for verifying the private key signature of the user equipment by using the public key of the user equipment;
and the sending unit sends the property certificate information corresponding to the user address to the user equipment after the verification is passed.
8. The apparatus of claim 6, wherein the processing unit verifies a signature of the service node and a signature certificate of the department of housing node; the method specifically comprises the following steps:
the processing unit verifies the private key signature of the service node by using the public key of the service node;
and the processing unit verifies the signature certificate of the department node by using the public key of the department node.
9. The apparatus of claim 6, wherein the user property certificate comprises one or more of a house address, house type, house footprint, house real estate, and house property holders.
10. The apparatus of claim 6, wherein the user's property certificate further comprises bibliographic change information for the property certificate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910901208.3A CN110659518A (en) | 2019-09-23 | 2019-09-23 | House property certificate storing method and device relating to block chain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910901208.3A CN110659518A (en) | 2019-09-23 | 2019-09-23 | House property certificate storing method and device relating to block chain |
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| CN110659518A true CN110659518A (en) | 2020-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111461751A (en) * | 2020-04-02 | 2020-07-28 | 武汉大学 | Block chain-based house property information chain organization method, historical state tracing method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111461751A (en) * | 2020-04-02 | 2020-07-28 | 武汉大学 | Block chain-based house property information chain organization method, historical state tracing method and device |
| CN111461751B (en) * | 2020-04-02 | 2024-03-29 | 武汉大学 | Real estate information chain organization method based on block chain, historical state tracing method and device |
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