CN109388968A - A kind of light weight internet-of-things terminal system and its control method based on block chain - Google Patents
A kind of light weight internet-of-things terminal system and its control method based on block chain Download PDFInfo
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- CN109388968A CN109388968A CN201811224065.9A CN201811224065A CN109388968A CN 109388968 A CN109388968 A CN 109388968A CN 201811224065 A CN201811224065 A CN 201811224065A CN 109388968 A CN109388968 A CN 109388968A
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- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6272—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database by registering files or documents with a third party
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Abstract
The present invention relates to a kind of light weight internet-of-things terminal systems and its control method based on block chain, by the way that several block chain nodes are arranged, at least one internet-of-things terminal node is added in each block chain node, security incident occurs for any internet-of-things terminal, corresponding internet-of-things terminal node sends security event data to corresponding block chain node, block chain node receives and updates distributed account book, and information exchange two-by-two between block chain node sends security strategy to internet-of-things terminal node.The features such as memory space of present invention combination light weight internet-of-things terminal is small, computing capability is weak, diode is formed using internet-of-things terminal node and block chain link point to manage, internet-of-things terminal node reports local threat event, and receive the security strategy from block chain node, information is threatened by the exchange of skills of block chain while receiving the threat information for the internet-of-things terminal node having under its command between block chain node, block chain technology is allowed sufficiently to apply under the scene of Internet of Things safety.
Description
Technical field
The present invention relates to the technical fields of the transmission of digital information, such as telegraph communication, in particular to a kind of to be based on block
The light weight internet-of-things terminal system and its control method of chain.
Background technique
With the rapid rising of technology of Internet of things, internet of things application layer goes out not poor.The work of traditional Internet of Things safety approach
It is that internet-of-things terminal collects local security incident as process, reports central administration node, central administration node is to all feelings
Report carries out critical-path analysis, and after finding new threat, the node of Xiang Suoyou issues new security strategy.
And for an Internet of things system, safety of terminal itself is a critically important link, traditional object
Networking safety approach not can guarantee Real-Time Sharing and threaten information, and more and more mechanisms start using block chain scientific discovery terminal
On threat, for example each terminal passes through the distributed respective threat information of account book Real-Time Sharing, guarantees localization, rapidly knows
Other malicious attack and illegal act, detailed process are as follows: internet-of-things terminal collects local security incident, is existed by block chain technology
It completes to synchronize between the whole network node；All internet-of-things terminals have the information of full dose, and each internet-of-things terminal is to oneself
All information held carry out critical-path analysis, after finding new threat, update local security strategy.
However, although currently existing scheme has used block chain technology, but can not for light-weighted internet-of-things terminal
It completes, the internet of things equipment based on light weight can not support the memory space of block chain distribution account book and calculate power demand, therefore
The threat information of the whole network can not be stored, can not also carry out frequently threatening intelligence update and calculating, block chain technology is at these ends
Landing has difficulties on end.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides a kind of light weight Internet of Things end based on block chain of optimization
End system and its control method, by being transformed to block chain technology, it is ensured that internet-of-things terminal, especially light weight Internet of Things are whole
The security threat at end quickly can be found and be identified.
The technical scheme adopted by the invention is that a kind of light weight internet-of-things terminal system based on block chain, including it is several
Block chain node, any block chain node cooperation are equipped at least one internet-of-things terminal node；The internet-of-things terminal node
Local threat event is carried out to report to block chain node, the block chain node sends safe plan to internet-of-things terminal node
Slightly；Information exchange two-by-two between the block chain node is equipped with distributed account book between all block chain nodes.
Preferably, any internet-of-things terminal corresponds to unique hardware identifier；Any block chain node includes area
Block chain node identification.
Preferably, the internet-of-things terminal obtains unique hash value, the section of hash value by hardware identifier and starting time
For [0, N]；The maximum value M of the block chain node identification is equal with N.
Preferably, when any block chain node starts, broadcast request is initiated to other all block chain nodes, other
The block chain node having been started up in all block chain nodes is receiveed the response, and corresponding block chain node is carried in the message
Ident value；The block chain node started takes out the mark that other all block chain nodes carry maximum block chain node
Value, is denoted as Y, using the value of (Y+1) %M as the ident value of the block chain node started.
A kind of control method using the light weight internet-of-things terminal system based on block chain, the method includes with
Lower step:
Step 1: the light weight internet-of-things terminal system is added in internet-of-things terminal node；
Step 2: security incident occurs for any internet-of-things terminal, and corresponding internet-of-things terminal node is sent out to corresponding block chain node
Send security event data；
Step 3: block chain node receives security event data, updates distributed account book；
Step 4: block chain node sends security strategy to internet-of-things terminal.
Preferably, the step 1 the following steps are included:
Step 1.1: internet-of-things terminal starting generates packet identification；
Step 1.2: the corresponding internet-of-things terminal node of the internet-of-things terminal carries packet identification to corresponding block chain node
It sends and request is added；
Step 1.3: corresponding block chain node receives request, sends back message, internet-of-things terminal node processing back message,
Association is formed, the light weight internet-of-things terminal system is added.
Preferably, the step 2 the following steps are included:
Step 2.1: security incident occurs for any internet-of-things terminal, and internet-of-things terminal nodes records security event information is packaged into
The data block of specified format；
Step 2.2: internet-of-things terminal node sends the data block to corresponding block chain node；
Step 2.3: block chain nodes records simultaneously respond confirmation message.
Preferably, the step 3 the following steps are included:
Step 3.1: block chain node receives and records the data for the security event information that corresponding internet-of-things terminal node reports
Block；
Step 3.2: the block chain node sends the data block of the security event information to other block chain nodes, and requests
Other block chain nodes receive；
Step 3.3: after confirmed, other block chain nodes receive the data block of the security event information, and are included in local account
This；
Step 3.4: distributed account book updates.
Preferably, when any internet-of-things terminal node leaves the light weight internet-of-things terminal system, actively to correspondence
Block chain node transmission leave request, block chain node receives leave request after, delete the internet-of-things terminal node
Information, and respond confirmation message；Block chain node no longer receives the information that the internet-of-things terminal node is sent.
The present invention provides the light weight internet-of-things terminal systems and its control method based on block chain of a kind of optimization, pass through
Several block chain nodes are set, and at least one internet-of-things terminal node, any internet-of-things terminal hair is added in each block chain node
Raw security incident, corresponding internet-of-things terminal node send security event data, block chain node to corresponding block chain node
Security event data is received, updates distributed account book, information exchange two-by-two between block chain node is sent to internet-of-things terminal node
Security strategy.The features such as memory space of present invention combination light weight internet-of-things terminal is small, computing capability is weak, utilizes internet-of-things terminal
Node and block chain link point form diode reason, and internet-of-things terminal node reports local threat event, and receives and
From the security strategy of block chain node, while the threat information for the internet-of-things terminal node having under its command is received between block chain node
Information is threatened by block chain exchange of skills, block chain technology is allowed sufficiently to apply under the scene of Internet of Things safety, it can be effective
The internet of things equipment of solution light weight can not support the memory space of block chain account book and calculate that power demand, block chain technology is at this
Difficult problem is landed in a little terminals.
Detailed description of the invention
Fig. 1 is topological diagram of the invention；
Fig. 2 is flow chart of the invention.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, but protection scope of the present invention is not limited to
This.
It is any the present invention relates to a kind of light weight internet-of-things terminal system based on block chain, including several block chain nodes
The block chain node cooperation is equipped at least one internet-of-things terminal node；The internet-of-things terminal node is by local threat thing
Part carries out reporting to block chain node, and the block chain node sends security strategy to internet-of-things terminal node；The block chain
Information exchange two-by-two between node is equipped with distributed account book between all block chain nodes.
In the present invention, some internet-of-things terminals that light weight internet-of-things terminal refers to that memory space is small, CPU operational capability is weak are set
It is standby.
In the present invention, all block chain nodes constitute a block chain network, form a distribution in the network internal
Formula account book, while all internet-of-things terminal nodes are belonged to respectively under some block chain node, it is whole in conjunction with light weight Internet of Things
The features such as memory space at end is small, computing capability is weak forms diode using internet-of-things terminal node and block chain link point and manages.
In the present invention, internet-of-things terminal node reports local threat event, and receives and come from block chain node
Security strategy, by block chain skill while the threat information for the internet-of-things terminal node having under its command is received between block chain node
Art exchange threatens information, and block chain technology is allowed sufficiently to apply under the scene of Internet of Things safety, can be with effective solution light weight
Internet of things equipment can not support the memory space of block chain account book and calculating power demand, block chain technology to land on these terminals
Difficult problem.
Any internet-of-things terminal corresponds to unique hardware identifier；Any block chain node includes block chain node
Mark.
The internet-of-things terminal obtains unique hash value by hardware identifier and starting time, and the section of hash value is [0, N]；
The maximum value M of the block chain node identification is equal with N.
When any block chain node starts, broadcast request, other all areas are initiated to other all block chain nodes
The block chain node having been started up in block chain node is receiveed the response, and the mark of corresponding block chain node is carried in the message
Value；The block chain node started takes out the ident value that other all block chain nodes carry maximum block chain node,
It is denoted as Y, using the value of (Y+1) %M as the ident value of the block chain node started.
In the present invention, a unique hardware identifier is carried when internet-of-things terminal dispatches from the factory, utilizes hardware identifier and starting
Time obtains unique hash value.
In the present invention, when each block chain node is deployed to before true environment, that is, it is previously implanted block chain node identification
Maximum value, using the value of (Y+1) %M as the ident value of the block chain node started, wherein Y be other all block chains
Node countermeasure maximum ident value；In fact, under normal circumstances, ident value is sequence number value, as current block chain node
Distribute a number.
A kind of control method using the light weight internet-of-things terminal system based on block chain, the method includes with
Lower step.
Step 1: the light weight internet-of-things terminal system is added in internet-of-things terminal node.
The step 1 the following steps are included:
Step 1.1: internet-of-things terminal starting generates packet identification；
Step 1.2: the corresponding internet-of-things terminal node of the internet-of-things terminal carries packet identification to corresponding block chain node
It sends and request is added；
Step 1.3: corresponding block chain node receives request, sends back message, internet-of-things terminal node processing back message,
Association is formed, the light weight internet-of-things terminal system is added.
Step 2: security incident occurs for any internet-of-things terminal, and corresponding internet-of-things terminal node is to corresponding block chain link
Point sends security event data.
The step 2 the following steps are included:
Step 2.1: security incident occurs for any internet-of-things terminal, and internet-of-things terminal nodes records security event information is packaged into
The data block of specified format；
Step 2.2: internet-of-things terminal node sends the data block to corresponding block chain node；
Step 2.3: block chain nodes records simultaneously respond confirmation message.
In the present invention, the format specified in step 2.1 is generally similar to header, can be adjusted flexibly, this field skill
Art personnel can be according to actual demand self-setting.
Step 3: block chain node receives security event data, updates distributed account book.
The step 3 the following steps are included:
Step 3.1: block chain node receives and records the data for the security event information that corresponding internet-of-things terminal node reports
Block；
Step 3.2: the block chain node sends the data block of the security event information to other block chain nodes, and requests
Other block chain nodes receive；
Step 3.3: after confirmed, other block chain nodes receive the data block of the security event information, and are included in local account
This；
Step 3.4: distributed account book updates.
Step 4: block chain node sends security strategy to internet-of-things terminal.
In the present invention, sending security strategy is to issue configuration.
When any internet-of-things terminal node leaves the light weight internet-of-things terminal system, actively to corresponding block chain
Request is left in node transmission, block chain node receives leave request after, delete the information of the internet-of-things terminal node, and time
Answer confirmation message；Block chain node no longer receives the information that the internet-of-things terminal node is sent.
In the present invention, the data information of upload is no longer received, but the request reconnected can also normally receive, such as object
Networked terminals node needs continue transmission information and then need to establish connection again.
At least one internet-of-things terminal section is added by the way that several block chain nodes, each block chain node is arranged in the present invention
Security incident occurs for point, any internet-of-things terminal, and corresponding internet-of-things terminal node sends safety to corresponding block chain node
Event data, block chain node receive security event data, update distributed account book, information exchange two-by-two between block chain node,
Security strategy is sent to internet-of-things terminal node.The memory space of present invention combination light weight internet-of-things terminal is small, computing capability is weak
The features such as, diode is formed using internet-of-things terminal node and block chain link point and is managed, and internet-of-things terminal node is to local threat
Event is reported, and receives the security strategy from block chain node, and it is whole that the Internet of Things having under its command is received between block chain node
Information is threatened by the exchange of skills of block chain while the threat information of end node, block chain technology is allowed sufficiently to apply in Internet of Things
Under the scene of safety, memory space and the calculating of block chain account book can not be supported with the internet of things equipment of effective solution light weight
Difficult problem is landed in power demand, block chain technology on these terminals.
Claims (9)
1. a kind of light weight internet-of-things terminal system based on block chain, it is characterised in that: including several block chain nodes, Ren Yisuo
It states the cooperation of block chain node and is equipped at least one internet-of-things terminal node；The internet-of-things terminal node is by local threat event
It carries out reporting to block chain node, the block chain node sends security strategy to internet-of-things terminal node；The block chain link
Information exchange two-by-two between point is equipped with distributed account book between all block chain nodes.
2. a kind of light weight internet-of-things terminal system based on block chain according to claim 1, it is characterised in that: Ren Yisuo
It states internet-of-things terminal and corresponds to unique hardware identifier；Any block chain node includes block chain node identification.
3. a kind of light weight internet-of-things terminal system based on block chain according to claim 2, it is characterised in that: the object
Networked terminals obtain unique hash value by hardware identifier and starting time, and the section of hash value is [0, N]；The block chain node
The maximum value M of mark is equal with N.
4. a kind of light weight internet-of-things terminal system based on block chain according to claim 1, it is characterised in that: Ren Yisuo
When stating the starting of block chain node, broadcast requests are initiated to other all block chain nodes, in other all block chain nodes
The block chain node of starting is receiveed the response, and the ident value of corresponding block chain node is carried in the message；The institute started
It states block chain node and takes out the ident value that other all block chain nodes carry maximum block chain node, Y is denoted as, with (Y+1) %M
Ident value of the value as the block chain node started.
5. a kind of control method using the light weight internet-of-things terminal system based on block chain described in one of claim 1 ~ 4,
It is characterized by: the described method comprises the following steps:
Step 1: the light weight internet-of-things terminal system is added in internet-of-things terminal node；
Step 2: security incident occurs for any internet-of-things terminal, and corresponding internet-of-things terminal node is sent out to corresponding block chain node
Send security event data；
Step 3: block chain node receives security event data, updates distributed account book；
Step 4: block chain node sends security strategy to internet-of-things terminal.
6. a kind of control method of light weight internet-of-things terminal system based on block chain according to claim 5, feature
Be: the step 1 the following steps are included:
Step 1.1: internet-of-things terminal starting generates packet identification；
Step 1.2: the corresponding internet-of-things terminal node of the internet-of-things terminal carries packet identification to corresponding block chain node
It sends and request is added；
Step 1.3: corresponding block chain node receives request, sends back message, internet-of-things terminal node processing back message,
Association is formed, the light weight internet-of-things terminal system is added.
7. a kind of control method of light weight internet-of-things terminal system based on block chain according to claim 5, feature
Be: the step 2 the following steps are included:
Step 2.1: security incident occurs for any internet-of-things terminal, and internet-of-things terminal nodes records security event information is packaged into
The data block of specified format；
Step 2.2: internet-of-things terminal node sends the data block to corresponding block chain node；
Step 2.3: block chain nodes records simultaneously respond confirmation message.
8. a kind of control method of light weight internet-of-things terminal system based on block chain according to claim 5, feature
Be: the step 3 the following steps are included:
Step 3.1: block chain node receives and records the data for the security event information that corresponding internet-of-things terminal node reports
Block；
Step 3.2: the block chain node sends the data block of the security event information to other block chain nodes, and requests
Other block chain nodes receive；
Step 3.3: after confirmed, other block chain nodes receive the data block of the security event information, and are included in local account
This；
Step 3.4: distributed account book updates.
9. a kind of control method of light weight internet-of-things terminal system based on block chain according to claim 5, feature
It is: when any internet-of-things terminal node leaves the light weight internet-of-things terminal system, actively to corresponding block chain link
Point send leave request, block chain node receives leave request after, delete the information of the internet-of-things terminal node, and respond
Confirmation message；Block chain node no longer receives the information that the internet-of-things terminal node is sent.
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