CN113364771A - Internet of things data sharing method based on block chain - Google Patents
Internet of things data sharing method based on block chain Download PDFInfo
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- CN113364771A CN113364771A CN202110621875.3A CN202110621875A CN113364771A CN 113364771 A CN113364771 A CN 113364771A CN 202110621875 A CN202110621875 A CN 202110621875A CN 113364771 A CN113364771 A CN 113364771A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/18—Network architectures or network communication protocols for network security using different networks or channels, e.g. using out of band channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
Abstract
The invention discloses an Internet of things data sharing method based on a block chain, which is applied to block chain link points of the block chain and comprises the following steps: monitoring equipment in the Internet of things receives the sent data sharing request; the monitoring equipment checks the received data sharing request and judges the privacy condition of the status data of the object to be detected carried in the data sharing request; when the status data of the object to be measured is public data, transmitting the public data to the block chain node in a broadcasting mode to realize data sharing; and when the status data of the object to be measured is private data, establishing a private chain with a user side sending a data request to finish transmission, thereby realizing data sharing. The block chain-based Internet of things data sharing method is used for realizing Internet of things data sharing and ensuring the security of Internet of things private data sharing.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a block chain-based data sharing method for the Internet of things.
Background
The technology of internet of things originates from the field of media and is the third revolution of information technology industry. The internet of things is that any object is connected with a network through information sensing equipment according to an agreed protocol, and the object performs information exchange and communication through an information transmission medium so as to realize functions of intelligent identification, positioning, tracking, supervision and the like. At present, with the rapid development of the internet of things technology, the number of internet of things devices in a network is greatly increased. With the increase of the number of devices in the internet of things, how to manage the devices and the data generated by the devices becomes a problem which needs to be solved urgently. Meanwhile, in the internet of things, data collection, transmission and storage are mainly performed, and research on data sharing is few.
Disclosure of Invention
The invention aims to provide a block chain-based Internet of things data sharing method, which is used for realizing Internet of things data sharing and ensuring the security of Internet of things privacy data sharing.
In order to achieve the purpose, the invention provides the following scheme:
a data sharing method of the Internet of things based on a block chain is applied to block chain link points of the block chain and comprises the following steps:
monitoring equipment in the Internet of things receives the sent data sharing request; the data sharing request carries the status data of the object to be detected, the data sharing request stores the status data of the object to be detected in the block chain, the status data of the object to be detected is acquired by a data acquisition device connected with the monitoring equipment, the data acquisition device is arranged in the area of the position of the object to be detected, and the data sharing request is sent by a user side connected with the block chain link points in the block chain;
the monitoring equipment checks the received data sharing request and judges the privacy condition of the status data of the object to be detected carried in the data sharing request;
when the status data of the object to be measured is public data, the monitoring equipment encrypts and uploads the status data of the object to be measured to the block chain node, the encrypted status data is transmitted to the block chain node in a broadcast mode, and a user side sending a data request decrypts through a public key to obtain the status data of the object to be measured;
when the state data of the object to be measured is private data, the monitoring equipment encrypts and uploads the state data of the object to be measured to the block chain node, a private chain is established with a user side sending a data request to complete transmission, and the user side sending the data request decrypts through a private key to obtain the state data of the object to be measured.
Optionally, when the status data of the object to be measured is private data, the monitoring device and the block link node that sends the data request reach a consensus protocol through an intelligent contract.
Optionally, the data sharing request is sent with a time stamp.
Optionally, the monitoring device sets different encryption modes according to the privacy level of the status data of the object to be measured.
Optionally, the measured object is any target monitoring object, and the data acquisition device is one or a combination of a camera and a sensor.
Optionally, the number of the cameras and/or the sensors is several.
Optionally, the data sharing request is stored through a block chain; and storing the condition data of the measured object through a database.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the invention provides a block chain-based Internet of things data sharing method, which is applied to block chain link points of a block chain and comprises the following steps: monitoring equipment in the Internet of things receives the sent data sharing request; the monitoring equipment checks the received data sharing request and judges the privacy condition of the status data of the object to be detected carried in the data sharing request; when the status data of the object to be measured is public data, transmitting the public data to the block chain node in a broadcast mode; and when the status data of the object to be detected is privacy data, establishing a private chain with the user side sending the data request to finish transmission. The method transmits the public data to the block chain node in a broadcast mode, and realizes the sharing of the data; for private data, a private chain is established to realize transmission and sharing, a third-party mechanism is not needed, credit investigation degree of a third party is not depended on, and safety of data sharing is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a flowchart of a block chain-based data sharing method for the internet of things according to an embodiment of the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention aims to provide a block chain-based Internet of things data sharing method, which is used for realizing Internet of things data sharing and ensuring the security of Internet of things privacy data sharing.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a flowchart of a block chain-based data sharing method of the internet of things according to an embodiment of the present invention, and as shown in fig. 1, the block chain-based data sharing method of the internet of things according to the embodiment of the present invention is applied to a block link point of a block chain, and includes:
monitoring equipment in the Internet of things receives the sent data sharing request; the data sharing request carries the status data of the object to be detected, the data sharing request stores the status data of the object to be detected in the block chain, the status data of the object to be detected is acquired by a data acquisition device connected with the monitoring equipment, the data acquisition device is arranged in the area of the position of the object to be detected, and the data sharing request is sent by a user side connected with the block chain link points in the block chain;
the monitoring equipment checks the received data sharing request and judges the privacy condition of the status data of the object to be detected carried in the data sharing request;
when the status data of the object to be measured is public data, the monitoring equipment encrypts and uploads the status data of the object to be measured to the block chain node, the encrypted status data is transmitted to the block chain node in a broadcast mode, and a user side sending a data request decrypts through a public key to obtain the status data of the object to be measured;
when the state data of the object to be measured is private data, the monitoring equipment encrypts and uploads the state data of the object to be measured to the block chain node, a private chain is established with a user side sending a data request to complete transmission, and the user side sending the data request decrypts through a private key to obtain the state data of the object to be measured.
And when the condition data of the object to be measured is privacy data, the monitoring equipment and the block chain node sending the data request form a consensus protocol through an intelligent contract.
The data sharing request is sent with a time stamp.
And the monitoring equipment sets different encryption modes according to the privacy level of the condition data of the object to be detected.
The measured object is any target monitoring object, and the data acquisition device is one or a combination of a camera and a sensor.
The number of the cameras and/or the sensors is several.
The data sharing request is stored through a block chain; and storing the condition data of the measured object through a database.
The invention provides a block chain-based Internet of things data sharing method, which is applied to block chain link points of a block chain and comprises the following steps: monitoring equipment in the Internet of things receives the sent data sharing request; the monitoring equipment checks the received data sharing request and judges the privacy condition of the status data of the object to be detected carried in the data sharing request; when the status data of the object to be measured is public data, transmitting the public data to the block chain node in a broadcast mode; and when the status data of the object to be detected is privacy data, establishing a private chain with the user side sending the data request to finish transmission. The method transmits the public data to the block chain node in a broadcast mode, and realizes the sharing of the data; for private data, a private chain is established to realize transmission and sharing, a third-party mechanism is not needed, credit investigation degree of a third party is not depended on, and safety of data sharing is guaranteed.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. A method for sharing Internet of things data based on a block chain is characterized in that the method is applied to block chain link points of the block chain and comprises the following steps:
monitoring equipment in the Internet of things receives the sent data sharing request; the data sharing request carries the status data of the object to be detected, the data sharing request stores the status data of the object to be detected in the block chain, the status data of the object to be detected is acquired by a data acquisition device connected with the monitoring equipment, the data acquisition device is arranged in the area of the position of the object to be detected, and the data sharing request is sent by a user side connected with the block chain link points in the block chain;
the monitoring equipment checks the received data sharing request and judges the privacy condition of the status data of the object to be detected carried in the data sharing request;
when the status data of the object to be measured is public data, the monitoring equipment encrypts and uploads the status data of the object to be measured to the block chain node, the encrypted status data is transmitted to the block chain node in a broadcast mode, and a user side sending a data request decrypts through a public key to obtain the status data of the object to be measured;
when the state data of the object to be measured is private data, the monitoring equipment encrypts and uploads the state data of the object to be measured to the block chain node, a private chain is established with a user side sending a data request to complete transmission, and the user side sending the data request decrypts through a private key to obtain the state data of the object to be measured.
2. The block chain based internet of things data sharing method according to claim 1, wherein when the condition data of the object to be measured is privacy data, the monitoring device and the block chain node sending the data request achieve a consensus agreement through an intelligent contract.
3. The block chain based internet of things data sharing method as claimed in claim 1, wherein the data sharing request is sent with a time stamp.
4. The Internet of things data sharing method based on the block chain as claimed in claim 1, wherein the monitoring device sets different encryption modes according to the privacy level of the condition data of the object to be measured.
5. The Internet of things data sharing method based on the block chain as claimed in claim 1, wherein the object to be measured is any target monitoring object, and the data acquisition device is one or a combination of a camera and a sensor.
6. The block chain based Internet of things data sharing method as claimed in claim 5, wherein the number of the cameras and/or the sensors is several.
7. The method for sharing data of the internet of things based on the blockchain according to claim 1, wherein the data sharing request is stored through the blockchain; and storing the condition data of the measured object through a database.
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