CN109981519A - A kind of smart home system - Google Patents
A kind of smart home system Download PDFInfo
- Publication number
- CN109981519A CN109981519A CN201711439742.4A CN201711439742A CN109981519A CN 109981519 A CN109981519 A CN 109981519A CN 201711439742 A CN201711439742 A CN 201711439742A CN 109981519 A CN109981519 A CN 109981519A
- Authority
- CN
- China
- Prior art keywords
- smart home
- server
- home server
- smart
- network
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2807—Exchanging configuration information on appliance services in a home automation network
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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
- H04L63/0435—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 symmetric encryption, i.e. same key used for encryption and decryption
-
- 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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer And Data Communications (AREA)
Abstract
The invention discloses a kind of smart home systems, the system includes multiple smart machines, smart home server and client side, the smart home server is for managing the smart machine, the client is for remotely connecting the smart home server, and pass through smart machine described in the smart home server admin, wherein, the smart home server and client side is authenticated by network server, and the network address and communication key of the smart home server are transmitted by the network server.
Description
[technical field]
The invention belongs to automation control area more particularly to a kind of smart home systems.
[background technique]
In recent years, with the development of smart home, all there is intelligentized trend in various equipment and finishing in family.Institute
Smart home is called, is by technology of Internet of things by various equipment (such as audio & video equipment, lighting system, curtain control, empty in family
Regulation system, security system, Digital Theater System, video server, shadow cabinet system, network home appliance etc.) it connects together, family is provided
Electric control, Lighting control, remote control using telephone, indoor and outdoor remote control, burglar alarm, environmental monitoring, HVAC control, infrared forwarding with
And the multiple functions such as programmable Timer control and means.Compared with common household, smart home not only has traditional inhabitation function
Can, have both building, network communication, information household appliances, equipment automatization, collecting system, structure, service, management are integrated efficient, easypro
Suitable, safe and convenient, environmentally friendly living environment provides comprehensive information exchange function.Family and external holding information is helped to hand over
Smoothness is logical, optimizes people's lives mode, helps people effectively to arrange the time, enhances the safety of home life, even respectively
Kind energy expenditure saves fund.
Entire smart home system is managed by a smart home server, even if when user goes out, Yong Huye
Connect the server using client remote and manage smart home system, it is therefore desirable to establish one can secure connection intelligence
Household server.
[summary of the invention]
In order to solve existing technical problem, the invention proposes a kind of smart home servers.
The technical solution adopted by the invention is as follows:
A kind of smart home system, the system include multiple smart machines, smart home server and client side, the intelligence
Energy household server leads to for managing the smart machine, the client for remotely connecting the smart home server
Cross smart machine described in the smart home server admin, wherein the smart home server and client side is taken by network
Business device is authenticated, and the network address and communication key of the smart home server are transmitted by the network server.
Further, client establishes coded communication using the communication key and the smart home server.
Further, the Encryption Algorithm of the coded communication is symmetric encipherment algorithm.
Further, the symmetric encipherment algorithm is DES algorithm.
Further, the symmetric encipherment algorithm is aes algorithm.
What the present invention was realized has the technical effect that client is allowed safely and reliably to connect smart home server.
[Detailed description of the invention]
Described herein the drawings are intended to provide a further understanding of the invention, constitutes part of this application, but
It does not constitute improper limitations of the present invention, in the accompanying drawings:
Fig. 1 is system construction drawing of the invention.
[specific embodiment]
Come that the present invention will be described in detail below in conjunction with attached drawing and specific embodiment, illustrative examples therein and says
It is bright to be only used to explain the present invention, but it is not intended as inappropriate limitation of the present invention.
It include that multiple intelligence are set it illustrates smart home system of the invention, in the smart home system referring to attached drawing 1
Standby, smart home server and client side passes through home Intranet between multiple smart machines and the smart home server
Connection, such as WIFI network etc..The smart home server may be coupled to internet, the interconnection as entire smart home
Net outlet.User can be used client (such as smart phone) and be connected by internet and the smart home Server remote
It connects, so as to pass through each smart machine in smart home server access and control man.
The present invention is of interest, is exactly the network how client remotely determines smart home server on the internet
Location, and secure connection is established with the smart home server.It is specific that detailed description are as follows:
(1) it is registered first by user in network server, registration information includes the mark of the smart home server
Accord with ID and initial key Key.The registration information be respectively stored in the network server, smart home server and
In client, to be used for subsequent use.
Specifically, the network server can be built by the manufacturer of smart home server, which connects
It is connected to internet, and there is fixed internet domain name or network address, the internet domain name or network address to be stored in advance
In the smart home server and client side, so that smart home server and client side be facilitated to be directly connected to the network
Server.
The identifier ID of the smart home server can be a global unique encodings, be used to the unique identification intelligence
Household server.The initial key Key is a biggish random number, and length is true according to the demand of subsequent Encryption Algorithm
It is fixed, e.g. one 128 random numbers.
(2) after the smart home server is connected to internet, a communication key K is generated at random, and assemble one
A message package M0It is sent to the network server, in which:
M0={ ID, EKey(K, ID, Date) }
EKey() is the asymmetric encryption function encrypted using key Key, be may be used herein any in this field
A kind of well known symmetric encipherment algorithm, such as aes algorithm.Date is current date.
It should be noted that smart home server monitors the network address (such as IP address) of itself at any time, once from
The network address of body changes, which just needs to re-execute an above-mentioned steps (2), that is, again
New communication key is generated at random, and assembles and send new address notification information packet.
(3) network server obtains the network address of the smart home server of connection, and to the message package M0
It is parsed, obtains ID and E thereinKey(K, ID, Date).
It is connected to the network since smart home server transmission packet is necessarily required to establish with network server, then the network
Server can directly acquire the network address of smart home server by the network connection.
(4) network server obtains corresponding registration information according to the ID that parsing obtains, and obtains corresponding initial
Key Key, using initial key Key to EKey(K, ID, Date) is decrypted, and checks ID and the parsing that decryption obtains
Whether obtained ID is identical, if it is not the same, then message package M0It is illegal, directly ignore message package M0；If identical,
Obtain the triple (K, ID, Date) that decryption obtains.
As previously mentioned, registration information is stored in network server after user's registration, typically, network server can
To use a customer data base to save all registration informations, then its can by the unique identifier ID in registration information,
Corresponding initial key is retrieved in the database.
(5) whether the triple that the network server judges that decryption obtains has existed in the database, if it does,
Then ignore message package M0, if it does not exist, then the triple is stored in the database, while saving the smart home
The network address of server.
The communication key K is a random number, all should be each time it is different, along with the limit of ID and date
System, the probability for identical triple really occur is extremely small, so if triple has existed in the database, then can recognize
For this message package M0It had previously received, it is illegal that current message package, which is likely to the Replay Attack of hacker,
's.
Above-mentioned steps (2)-(5) are actually that smart home server is based on registration information and to network server authenticates oneself
Process, network server obtains the network address and communication key of smart home server after certification.
(6) when client needs to obtain the network address of smart home server, a message package M is assembled1, it may be assumed that
M1={ ID, EKey(ID, Salt, Date1)}
Wherein, Salt is a random number, for playing the role of random disturbances, avoids being played out attack.Date1It is to work as
The preceding date.
(7) client is by the message package M1It is sent to the network server, the network server is to M1It carries out
Parsing, obtains ID and E thereinKey(ID, Salt, Date1)。
(8) network server obtains corresponding registration information according to the ID that parsing obtains, and obtains corresponding initial
Key Key, using initial key Key to EKey(ID, Salt, Date1) be decrypted, check the ID and parsing M that decryption obtains1
Whether obtained ID is identical, if it is not the same, then message package M1It is illegal, ignore message package M1, end processing, if phase
Together, then triple (ID, Salt, Date that decryption obtains are obtained1)。
(9) network server judges triple (ID, Salt, Date1) whether have existed in the database, if
In the presence of then ignoring message package M1, end processing；If it does not exist, then by the triple (ID, Salt, Date1) it is stored in number
According in library, continue subsequent step.
Similar with above-mentioned steps (5), step (9) is also for the Replay Attack for preventing hacker.Above-mentioned steps (6)-(9) are real
It is the process that client authenticates oneself based on registration information to network server on border.
(10) network server assembles a message package M2Return to the client, it may be assumed that M2=EKey(IP, ID,
K), wherein IP be the smart home server network address.
(11) client is using initial key Key to M2It is decrypted, obtains IP, ID and K.
(12) client judge the obtained ID of decryption whether be the smart home server to be connected ID, if
It is not then to ignore message package M2, if so, it may be considered that IP is the network of the smart home server of required connection
Location so that client is based on the IP and smart home server is established and is connected to the network, and uses communication key K and the smart home
Server carries out coded communication.In this way, client just establishes secure connection with smart home server.The encryption of coded communication
Algorithm is symmetric encipherment algorithm, specifically, can be using DES or aes algorithm etc..
After this, client can store IP and K, when needing to connect smart home server every time, all make first
It is attached with the IP and K, but when certain primary discovery can not connect smart home server using the IP and K, explanation
The network address of the smart home server may have occurred variation, then client repeats step 6-12, with obtain new IP and
K。
The above description is only a preferred embodiment of the present invention, thus it is all according to the configuration described in the scope of the patent application of the present invention,
The equivalent change or modification that feature and principle are done, is included in the scope of the patent application of the present invention.
Claims (5)
1. a kind of smart home system, which is characterized in that the system includes multiple smart machines, smart home server and client
End, the smart home server is for managing the smart machine, and the client is for remotely connecting smart home clothes
Business device, and pass through smart machine described in the smart home server admin, wherein the smart home server and client side is logical
It crosses network server to be authenticated, and transmits the network address and communication of the smart home server by the network server
Key.
2. smart home system according to claim 1, which is characterized in that client uses the communication key and the intelligence
Energy household server establishes coded communication.
3. smart home system according to claim 2, which is characterized in that the Encryption Algorithm of the coded communication is symmetrical
Encryption Algorithm.
4. smart home system according to claim 3, which is characterized in that the symmetric encipherment algorithm is DES algorithm.
5. smart home system according to claim 3, which is characterized in that the symmetric encipherment algorithm is aes algorithm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439742.4A CN109981519A (en) | 2017-12-27 | 2017-12-27 | A kind of smart home system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439742.4A CN109981519A (en) | 2017-12-27 | 2017-12-27 | A kind of smart home system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109981519A true CN109981519A (en) | 2019-07-05 |
Family
ID=67072341
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711439742.4A Pending CN109981519A (en) | 2017-12-27 | 2017-12-27 | A kind of smart home system |
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| CN (1) | CN109981519A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021121125A1 (en) * | 2019-12-16 | 2021-06-24 | 华为技术有限公司 | Control method for smart home devices and medium and terminal thereof |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20220517 |