CN110233795A - A kind of edge gateway of internet of things of encryption - Google Patents
A kind of edge gateway of internet of things of encryption Download PDFInfo
- Publication number
- CN110233795A CN110233795A CN201910615399.7A CN201910615399A CN110233795A CN 110233795 A CN110233795 A CN 110233795A CN 201910615399 A CN201910615399 A CN 201910615399A CN 110233795 A CN110233795 A CN 110233795A
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- internet
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- mpk
- communication module
- machinery equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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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
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Computer Security & Cryptography (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Telephonic Communication Services (AREA)
Abstract
This application involves a kind of edge gateway of internet of things of encryption characterized by comprising Local Communication Module, remote communication module and processor；Processor is used to control the work and data exchange between the two of Local Communication Module and remote communication module；Local Communication Module is used for the multiple machinery equipments local by Internet of Things connection；Remote communication module is for connecting long-range server by telenet；The encrypted transmission in linkage in Internet of Things and telenet.The present invention realizes safer Internet of Things edge access.
Description
Technical field
This application involves next-generation information network industrial technology field more particularly to a kind of edge gateway of internet of things of encryption.
Background technique
Industrial Internet of Things is intended to promote traditional industry to networking, intelligentized new stage, application have real-time,
The features such as open, principle are that different equipment machine is networked, and obtain set respectively by sensor thereon or controller
Standby work condition state or environmental information, analysis optimization equipment work efficiency energy consumption carry out equipment management and feedback control.
Edge gateway of internet of things is the tie for connecting sensing network and conventional communication networks.As gateway, edge Internet of Things
The protocol conversion between sensing network and communication network and different type sensing network may be implemented in gateway, both may be implemented
Wide area interconnection, also may be implemented Interconnected.
Internet of Things, because economic value is more and more great, is also faced with many peaces while realizing more applications
It is complete to threaten.Edge gateway of internet of things undertakes the important function of equipment machine access edge net, because to be directly connected to remotely logical
Communication network, therefore be particularly susceptible to various network attacks and threaten.
Summary of the invention
To overcome the problems in correlation technique, the application provides a kind of edge gateway of internet of things of encryption.
According to the embodiment of the present application, a kind of edge gateway of internet of things of encryption is provided characterized by comprising local communication
Module, remote communication module and processor；
Processor is used to control the work and data exchange between the two of Local Communication Module and remote communication module；
Local Communication Module is used for the multiple machinery equipments local by Internet of Things connection；
Remote communication module is for connecting long-range server by telenet；
Wherein, the encrypted transmission in linkage in Internet of Things and telenet.
Preferably, encrypted transmission includes in linkage in Internet of Things and telenet:
The ciphertext E of n machinery equipment will be sent to1, E2, E3... EnIt polymerize and encrypts to obtain E0For wide on Internet of Things
It broadcasts.
Preferably, further includes:
Each machinery equipment negotiates the basic point G of creation elliptic curve E；
The Local Communication Module obtains G.
Preferably, further includes:
Machinery equipment i creates respective key ki；
Calculate respective public key MPKi=ki·G；
The Local Communication Module obtains MPK from Internet of Thingsi。
Preferably, by MPKiEncrypted transmission is to Local Communication Module, comprising:
The processor generates Your Majesty's key mpk using key algorithmiWith master key mski；
By Your Majesty's key mpkiMachinery equipment i is sent to by Internet of Things；
Machinery equipment i is calculatedWherein, | | to press or operator,It is different
Or operation, IDiFor the ID of machinery equipment i.
Preferably, further includes:
The information that be sent to machinery equipment i that the processor receives the remote communication module from telenet and
Its IDiConstitute message MRi；
By MPKiDecryption reduction；
Using the MPK of reductioniBy MRiEncryption obtains Ei。
Preferably, by MPKiDecryption restores
The processor uses master key mskiWith its IDiGenerate key ski；
Using Your Majesty's key mskiWith key skiTo the MPK from the gateway of internet of thingsiThe MPK restored is decryptedi
And ID '；
If ID '=IDi, then confirm the MPK that decryption obtainsiIt is true.
Preferably, using the MPK of reductioniBy MRiEncryption obtains EiInclude:
The processor chooses random number ri, MRiWith the MPK of reductioniSum be encoded to the point on elliptic curve
Calculate C1i=riG；
It calculates
Construct Ei=(C1i, C2i)。
Preferably, the ciphertext E of n machinery equipment will be sent to1, E2, E3... EnIt polymerize and encrypts to obtain E0Include:
The processor calculates
Decoding obtains
Obtain addition polymerization result
Preferably, the Internet of Things uses in PLC, FSK, RS485, M-BUS, zigbee, LoRa and NB-IoT at least
It is a kind of.
The technical solution that embodiments herein provides can include the following benefits: pass through the edge object of setting encryption
Networking is closed, and uses the encrypted transmission in linkage in Internet of Things and telenet, to realize safer Internet of Things network edge
Access.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.It should be understood that above general description and following detailed description are only
Be it is exemplary and explanatory, the application can not be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of block diagram of the edge gateway of internet of things of encryption shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Following disclosure provides many different embodiments or example is used to realize the different structure of the application.For letter
Change disclosure herein, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
Purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or letter.It is this heavy
It is that for purposes of simplicity and clarity, itself is more than the relationship discussed between various embodiments and/or setting again.This
Outside, this application provides various specific techniques and material example, but those of ordinary skill in the art may be aware that
The use of the applicability and/or other materials of other techniques.In addition, fisrt feature described below is in Second Eigenvalue "upper"
Structure may include embodiment that the first and second features are formed as directly contacting, also may include that other feature is formed in
Embodiment between first and second features, such first and second feature may not be direct contact.
In the description of the present application, it should be noted that unless otherwise specified and limited, term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can
, can also indirectly connected through an intermediary, for the ordinary skill in the art to be to be connected directly, it can basis
Concrete condition understands the concrete meaning of above-mentioned term.
Fig. 1 is a kind of block diagram of the edge gateway of internet of things of encryption shown according to an exemplary embodiment.Referring to Fig.1, should
Device includes: Local Communication Module 110, remote communication module 120 and processor 130；
Processor 130 is used to control the work and data between the two of Local Communication Module 110 and remote communication module 120
Exchange；
Local Communication Module 110 is used to connect local machinery equipment by Internet of Things 200, and the machinery equipment can be
Taximeter can also be various household appliances, machine machine for example including at least one of ammeter, gas meter, water meter and heat energy meter
Bed etc.；
Remote communication module 120 is used to connect long-range server by telenet 300；
Wherein, the encrypted transmission in linkage in Internet of Things and telenet.
The edge gateway of internet of things that the present embodiment is encrypted by setting, and use and add in linkage in Internet of Things and telenet
Close transmission, to realize safer Internet of Things edge access.
Preferably, carrying out encryption to the data to be sent in telenet connection includes:
The ciphertext E of n machinery equipment will be sent to1, E2, E3... EnIt polymerize and encrypts to obtain E0For wide on Internet of Things
It broadcasts.
Preferably, further includes:
Each machinery equipment negotiates the basic point G of creation elliptic curve E；
The Local Communication Module obtains G.
The present apparatus uses elliptic curve ECC Encryption Algorithm in Internet of Things, and safety is stronger, and calculation amount is lighter.
Preferably, further includes:
Machinery equipment i creates respective key ki；
Calculate respective public key MPKi=ki·G；
The Local Communication Module obtains MPK from Internet of Thingsi。
The key of multiple machinery equipments is produced certain relevance by this preferred embodiment, unified to carry out encryption handling,
The various scenes such as the more lathes in same workshop or the more taximeters in same building are therefore particularly suitable for, so that more
Machinery equipment is encrypted jointly, so as to Computation for apportionment pressure, further improves security performance.
Preferably, by MPKiEncrypted transmission is to Local Communication Module, comprising:
The processor generates Your Majesty's key mpk using key algorithmiWith master key mski；
By Your Majesty's key mpkiMachinery equipment i is sent to by Internet of Things；
Machinery equipment i is calculatedWherein, | | to press or operator,It is different
Or operation, IDiFor the ID of machinery equipment i.
The Encryption Algorithm calculation amount of this preferred embodiment is low, and has good concealment.This preferred embodiment is by kiEncryption
After be transmitted to each machinery equipment, therefore further improve safety.In addition, this preferred embodiment joined in ciphering process
The identity information ID of machinery equipmenti, to carry out equipment identification when facilitating a large amount of similar devices networkings in Internet of Things, go forward side by side one
Step improves the safety of encryption.
Preferably, further includes:
The information that be sent to machinery equipment i that the processor receives the remote communication module from telenet and
Its IDiConstitute message MRi；
By MPKiDecryption reduction；
Using the MPK of reductioniBy MRiEncryption obtains Ei。
This preferred embodiment gives the scheme that edge gateway of internet of things carries out encrypted transmission.
Preferably, by MPKiDecryption restores
The processor uses master key mskiWith its IDiGenerate key ski；
Using Your Majesty's key mskiWith key skiTo the MPK from the gateway of internet of thingsiThe MPK restored is decryptedi
And ID '；
If ID '=IDi, then confirm the MPK that decryption obtainsiIt is true.
Because of MPKiIn joined the identity information ID of machinery equipmenti, therefore by MPKiAfter decryption, can therefrom it extract
IDi, and judge whether it is consistent with the ID of oneself, if unanimously, assert the k of decryptioniIt is very, which further improves encryptions
Safety.
Preferably, using the MPK of reductioniBy MRiEncryption obtains EiInclude:
The processor chooses random number ri, MRiWith the MPK of reductioniSum be encoded to the point on elliptic curve
Calculate C1i=riG；
It calculates
Construct Ei=(C1i, C2i)。
This preferred embodiment gateway of internet of things data safety to be sent in edge to be cryptographically transferred to each machine to set
It is standby, and each machinery equipment has certain relevance on key, so as to share operation strength, to save each machine
The operational capability and battery consumption of device equipment.
Preferably, the ciphertext E of n machinery equipment will be sent to1, E2, E3... EnIt polymerize and encrypts to obtain E0Include:
The processor calculates
Decoding obtains
Obtain addition polymerization result
This preferred embodiment makes the edge gateway of internet of things of encryption realize the groups of all machinery equipment ciphertexts by polymerizeing
It closes, to substantially enhance safety on edge gateway of internet of things, and then while being transmitted in internet of things can resist very
Severe malicious attack.
It is worth noting that, each machinery equipment can only be using the plaintext that private key is polymerize as a result, cannot but utilize private key
Decryption obtains the clear data of other nodes, therefore even if the machinery equipment itself is trustless, but not leads to serious number
According to leakage, to improve safety.
Preferably, carrying out transmission after in Internet of Things connection by data encryption can also include:
Machinery equipment generates random noise data；
By certain algorithm by random noise data and the data E to be transmittediIt is mixed；
Mixed data are transmitted and received by Internet of Things；
Edge gateway of internet of things extracts the data to be transmitted according to certain algorithm from mixed data.
Preferably, it includes: to generate random noise number using random number generating functon that machinery equipment, which generates random noise data,
According to.
Preferably, generating random noise data using random number generating functon includes: using the current of the machinery equipment
The seed as random number generating functon is read to generate random noise data.
The current reading of machinery equipment is clearly completely random, generates random noise using the random number as seed
Data, to thoroughly prevent a possibility that external world cracks.
In addition, because directlying adopt the current internal reading of machinery equipment, (such as machinery equipment is taximeter, then using meter
Take reading, be machine tool, then using internal temperature sensitive reading), it is clear that data source is easier, and can mitigate calculating
Amount.
Preferably, last three digit currently read can be intercepted.Which in turns increases the concealments of random number.
Preferably, if there is muti-piece machinery equipment, then multiple current readings of generation are subjected to initialization process, obtained most
Whole random number, this makes outside invading person be more difficult to predict this random number.
Preferably, the current reading of the machinery equipment is used to make an uproar at random as the seed of random number generating functon to generate
Sound data include:
The reading ai of g Fee Schedule is obtained, wherein i is 1-g；
Seed is setWhereinFor XOR operation；
Random noise data R is generated by the seed of random number generating functon of s.
This embodiment gives the preferred embodiments of initialization process, and XOR operation only takes up seldom computing resource,
Will not many battery powers and processing capacity, this, which changes battery cycle for the machinery equipment extension using small Electronic power batteries, especially imitates
Fruit is significant.
For the machinery equipment of comparision of quantity of electricity abundance, such as ammeter, more complicated operation can be executed and carry out encryption seed, had
Body is as follows:
Setting
Wherein, aminFor aiIn minimum value, amaxFor aiIn maximum value.
This preferred embodiment has created a kind of seed encrypted algorithm, so that security of system is substantially strengthened, by a large amount of
Emulation practice, confirms that the Encryption Algorithm has very strong robustness, it is difficult to maliciously be cracked.
Preferably, generating random noise data R as the seed of random number generating functon using s includes:
R1=[random (s)]；
R2=[random (s+1)]；
R3=[random (s+2)]；
R=(R1, R2, R3)；
Wherein random () is random number generating functon, and [] is rounding operation.Random function random () can use city
Various normal functions on field, it is important to which seed of the invention has very strong concealment, to ensure that safety.
Preferably, random noise data mix with the data to be transmitted by certain algorithm include:
It is as follows that model is set:
ε=CTxi
Mixed data are setWherein:
Xi=([xi×R1]mod N)
Yi=([yj×R2]mod M)
Zi=([zk×R3]mod 256)
In formula, 0 < x01,0 < y of <01,0 < z of <01,3.77 < γ < of <, 4.0,0 < β <, 0.15,0 < α < 0.03,0
< δ < 0.03, Xi, Yi, ZiFor matrix X, i-th of element of Y, Z, M, N are the line number and columns for the data A to be transmitted, x0, y0,
z0For the 3D key seed generated at random, xi, yj, zkFor the x of 3D chaos system output, y, the random sequence in the direction z, 0 < i <
N, 0 < j < M, 0 < k < M × N,C is that system time proofreads Separation control matrix, and ε is time check control
Amount.
Preferably, the Internet of Things uses PLC (Power Line Carrier, power line carrier communication), FSK (micro- function
Rate wireless communication), RS485, M-BUS (Meter-Bus), zigbee (purple honeybee), at least one of LoRa and NB-IoT.
This preferred embodiment supports the Internet of Things of mainstream currently on the market, so that the technical program obtains as far as possible
It promotes and applies.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of edge gateway of internet of things of encryption characterized by comprising Local Communication Module, remote communication module and processing
Device；
Processor is used to control the work and data exchange between the two of Local Communication Module and remote communication module；
Local Communication Module is used for the multiple machinery equipments local by Internet of Things connection；
Remote communication module is for connecting long-range server by telenet；
Wherein, the encrypted transmission in linkage in Internet of Things and telenet.
2. the edge gateway of internet of things of encryption according to claim 1, which is characterized in that link in Internet of Things and telenet
Ground encrypted transmission includes:
The ciphertext E of n machinery equipment will be sent to1, E2, E3... EnIt polymerize and encrypts to obtain E0For in Internet of Things online broadcast.
3. the edge gateway of internet of things of encryption according to claim 2, which is characterized in that further include:
Each machinery equipment negotiates the basic point G of creation elliptic curve E；
The Local Communication Module obtains G.
4. the edge gateway of internet of things of encryption according to claim 3, which is characterized in that further include:
Machinery equipment i creates respective key ki；
Calculate respective public key MPKi=ki·G；
The Local Communication Module obtains MPK from Internet of Thingsi。
5. the edge gateway of internet of things of encryption according to claim 4, which is characterized in that by MPKiEncrypted transmission is to local logical
Believe module, comprising:
The processor generates Your Majesty's key mpk using key algorithmiWith master key mski；
By Your Majesty's key mpkiMachinery equipment i is sent to by Internet of Things；
Machinery equipment i is calculatedWherein, | | to press or operator,For exclusive or fortune
It calculates, IDiFor the ID of machinery equipment i.
6. the edge gateway of internet of things of encryption according to claim 5, which is characterized in that further include:
The information that be sent to machinery equipment i and its ID that the processor receives the remote communication module from teleneti
Constitute message MRi；
By MPKiDecryption reduction；
Using the MPK of reductioniBy MRiEncryption obtains Ei。
7. the edge gateway of internet of things of encryption according to claim 6, which is characterized in that by MPKiDecryption restores
The processor uses master key mskiWith its IDiGenerate key ski；
Using Your Majesty's key mskiWith key ski to the MPK from the gateway of internet of thingsiThe MPK restored is decryptediAnd
ID′；
If ID '=IDi, then confirm the MPK that decryption obtainsiIt is true.
8. the edge gateway of internet of things of encryption according to claim 7, which is characterized in that using the MPK of reductioniBy MRiEncryption
Obtain EiInclude:
The processor chooses random number ri, MRiWith the MPK of reductioniSum be encoded to the point on elliptic curve
Calculate C1i=riG；
It calculates
Construct Ei=(C1i, C2i)。
9. the edge gateway of internet of things of encryption according to claim 8, which is characterized in that n machinery equipment will be sent to
Ciphertext E1, E2, E3... EnIt polymerize and encrypts to obtain E0Include:
The processor calculates
Decoding obtains
Obtain addition polymerization result
10. the edge gateway of internet of things of -9 described in any item encryptions according to claim 1, which is characterized in that the Internet of Things is adopted
With at least one of PLC, FSK, RS485, M-BUS, zigbee, LoRa and NB-IoT.
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