CN107094138A - A kind of smart home safe communication system and communication means - Google Patents
A kind of smart home safe communication system and communication means Download PDFInfo
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- CN107094138A CN107094138A CN201710230487.6A CN201710230487A CN107094138A CN 107094138 A CN107094138 A CN 107094138A CN 201710230487 A CN201710230487 A CN 201710230487A CN 107094138 A CN107094138 A CN 107094138A
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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
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1073—Registration or de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
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- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
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- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- Multimedia (AREA)
- General Business, Economics & Management (AREA)
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Abstract
The present invention provides a kind of smart home safe communication system and communication means, including information sender, receiving party and Key Management server, and described information sender is provided with security module I, and described information recipient is provided with security module II；Described information sender is registered in the Key Management server；Described information recipient is registered in the Key Management server；Described information sender generates session key and will sent according to the log-on message of described information recipient after the session key to the Key Management server, described information recipient obtains the ciphertext of the session key from the Key Management server, and obtains the session key by the ciphertext for decrypting the session key；Described information sender and described information recipient carry out telecommunication using same session key.
Description
Technical field
The present invention relates to a kind of smart home field of telecommunications, specifically, a kind of smart home relate to logical safely
Letter system and communication means.
Background technology
With extensively should for the intelligent of mobile terminal device, the fast development of network service and intelligent home device
With people gradually increase to the demand of intelligent home device telecommunication.At present, the intelligent home device of in the market, such as intelligence
The equipment such as energy camera, intelligent door lock, intelligent switch, it is already possible to pass through control of intelligent terminal, including smart mobile phone, flat board electricity
Brain, PC etc. carry out telecommunication, greatly facilitate management and control of the user for intelligent home device.For example, when user returns
Family before just can some intelligent switch of pre-cooling, make intelligent home device in advance enter mode of operation, during so as to save
Between, improve efficiency；Once forget band key, so that it may which intelligent door lock is controlled by control of intelligent terminal；When user stays out,
Situation in man can be monitored by intelligent home device, if there is unusual condition, so that it may long-range by intelligent home device
Relevant information is sent to the control of intelligent terminal of user, facilitates user to handle unusual condition etc. in time.
However, the telecommunication of intelligent home device is while the life to us offers convenience, there is also greatly
Potential safety hazard.Either criminal can intercept and capture and distort Content of Communication or illegally during data transfer to hacker
Access and malice control intelligent home device, threat is brought to the property safety of user or personal safety.
The method that telecommunication is carried out between existing control device and intelligent home device is how improved, intelligent family is improved
The security of equipment telecommunication is occupied, is current urgent problem.
In order to solve the problem of above is present, people are seeking a kind of preferable technical solution always.
The content of the invention
The purpose of the present invention be in view of the shortcomings of the prior art so that there is provided a kind of smart home safe communication system,
Present invention also offers the communication means of the smart home telecommunication system, this method have be easily achieved with it is safe and reliable
Advantage.
To achieve these goals, the technical solution adopted in the present invention is：A kind of smart home safe communication system, bag
Information sender, receiving party and Key Management server are included, described information sender is provided with security module I, the letter
Breath recipient is provided with security module II；
Described information sender generates public private key pair I by the security module I, and by the public key information of the public private key pair I
It is stored in the Key Management server；Described information recipient generates public private key pair II by the security module II, and
The public key information of the public private key pair II is stored in the Key Management server；
Without in the state of session key in the security module I and the Key Management server, described information is sent
Side generates session key by the security module I, by the session key respectively with the public key information of the public private key pair I with
The public key information of the public private key pair II is encrypted, obtain the session key ciphertext corresponding with the public private key pair I and with
Session key ciphertext corresponding the public private key pair II, and by the session key ciphertext corresponding with the public private key pair I and
The session key ciphertext corresponding with the public private key pair II is stored in the Key Management server；Described information sender
Using the session key communication information and it is sent to described information recipient；
There is no the session key in the security module I, and have the session key in the Key Management server
In the state of, described information sender obtains the session corresponding with the public private key pair I from the Key Management server
Key ciphertext, and with the private key information of the public private key pair I to the session key ciphertext that is obtained from the Key Management server
It is decrypted, obtains the session key；Described information sender is using the session key communication information and is sent to
Described information recipient；
Have in the security module I in the state of the session key, described information sender directly uses the session
Key encrypted communication information is simultaneously sent to described information recipient；
In the state of the security module II does not have the session key, described information recipient is from the cipher key management services
Obtain the session key ciphertext corresponding with the public private key pair II in device, and with the private key information of the public private key pair II to from
The session key ciphertext that the Key Management server is obtained is decrypted, and obtains the session key；Described information recipient
The ciphertext of the communication information is decrypted using the session key；
In the state of the security module II has the session key, described information recipient is directly close using the session
Key decrypts the ciphertext of the communication information.
Based on above-mentioned, in addition to application server, described information sender and described information recipient respectively with it is described should
Connected with server communication.
Based on above-mentioned, described information sender is control device, and described information recipient is intelligent home device.
Based on above-mentioned, described information sender is intelligent home device, and described information recipient is control device.
A kind of communication means of smart home safe communication system, including registration the preparatory stage, first stage of communication and after
Continuous stage of communication；
Register the preparatory stage
Described information sender is registered in the Key Management server；Described information recipient is in the key management
Registered in server；
Stage of communication first
Described information sender generates session key by the security module I, by the session key respectively with described public and private
I public key information and the public key information of the public private key pair II are encrypted key, obtain corresponding with the public private key pair I
Session key ciphertext and the session key ciphertext corresponding with the public private key pair II, and will be corresponding with the public private key pair I
Session key ciphertext and the session key ciphertext corresponding with the public private key pair II be stored in the Key Management server
In；
Described information sender is by the communication information with being sent to described information recipient after the session key；
Described information recipient obtains the session key corresponding with the public private key pair II from the Key Management server
Ciphertext, is solved with the private key information of the public private key pair II to the session key ciphertext obtained from the Key Management server
It is close, the session key is obtained, and the ciphertext of the communication information is decrypted using the session key, obtain the communication letter
Breath, completion communicates first；
The subsequent communications stage
Described information sender is using the session key communication information and is sent to described information recipient, described information
Recipient decrypts the ciphertext of the communication information using the session key.
Based on above-mentioned, in the subsequent communications stage, send before the communication information, described information sender inquires about the safety
Whether the session key is had in module I, if not having, described information sender obtains from the Key Management server
The session key ciphertext corresponding with the public private key pair I, with the public key information of the public private key pair I to from the key management
The session key ciphertext that server is obtained is decrypted, and obtains the session key；Described information sender uses the session
Key encrypted communication information is simultaneously sent to described information recipient.
Based on above-mentioned, in the subsequent communications stage, after the ciphertext for receiving the communication information, described information recipient inquiry institute
State and whether have the session key in security module II, if not having, described information recipient is from the cipher key management services
The session key ciphertext corresponding with the public private key pair II is obtained in device, with the private key information of the public private key pair II to from institute
The session key ciphertext for stating Key Management server acquisition is decrypted, and obtains the session key, and close using the session
Key decrypts the ciphertext of the communication information, obtains the communication information.
Based on above-mentioned, the registration preparatory stage concretely comprises the following steps：
Described information sender is registered in the Key Management server
Described information sender is generated after public private key pair I by the security module I, by the private key information of the public private key pair I
It is stored in the security module I, and the public key information of the public private key pair I is sent into the Key Management server deposits
Storage；
Described information recipient is registered in the Key Management server
Described information recipient is generated after public private key pair II by the security module II, and the private key of the public private key pair II is believed
Breath is stored in the security module II, and the public key information of the public private key pair II is sent to the Key Management server
Middle storage.
Based on above-mentioned, in addition to application server, described information sender is by the communication information session key
After be sent to the application server, sent after the application server processes to described information recipient.
Of the invention to have prominent substantive distinguishing features and significant progress compared with the prior art, specifically, the present invention will
Control device and intelligent home device are registered in Key Management server respectively, and by the public key of control device and with should
The public key of session key or intelligent home device after public key encryption and it is stored in the conversation key safety of the public key encryption
In Key Management server；Control device and intelligent home device are provided with security module, using session key to transmission data
Carry out encryption and decryption processing so that hacker can not obtain data clear text, it is ensured that control device and the peace of intelligent home device transmission
Entirely, so as to efficiently solve the problem of prior art security is not enough.
Brief description of the drawings
Fig. 1 is the structural representation of the remote communication system of smart home safety in the embodiment of the present invention 1.
Fig. 2 is the communication flow diagram of the remote communication system of smart home safety in the embodiment of the present invention 1.
Fig. 3 is the structural representation of the remote communication system of smart home safety in the embodiment of the present invention 2.
Fig. 4 is the communication flow diagram of the remote communication system of smart home safety in the embodiment of the present invention 2.
Embodiment
Below by embodiment, technical scheme is described in further detail.
Embodiment 1
As shown in figure 1, a kind of smart home safe communication system, including at least one control device, at least one smart home
Equipment and Key Management server, the control device include tablet personal computer, smart mobile phone and PC；The smart home
Equipment includes camera, intelligent door lock, refrigerator, TV, washing machine, air purifier, robot, intelligent switch/panel, intelligence
Socket/insert row, intelligent purpose remote controller, intelligent lighting, intelligent door and window, air-conditioning, intelligent kitchen tools, water heater, radio reception device
And routing device；The Key Management server is adapted to kinds of platform, including Windows, Linux, Android and embedded flat
Platform.
In actual applications, the control device and the intelligent home device all possess a unique identifier, when
When user needs to operate some intelligent home device or some control device, just it is identified by this identifier,
The control device and the intelligent home device are just distinguished in communication process after by identifier.
The control device, the intelligent home device and the Key Management server possess network communication mould respectively
Block, the control device, the intelligent home device and the Key Management server are connected with each other by network.It is preferred that,
The network communication module is wireless communication module or wire communication module.
The control device both can be that information sender can also be receiving party, and the intelligent home device both may be used
It can also be receiving party to think information sender；It should be noted that when the control device is information sender, institute
State intelligent home device and be only receiving party；Similarly, when the intelligent home device is information sender, the control
Equipment is only receiving party.
Described information sender goes up extrapolation or is embedded with security module I, and described information recipient goes up extrapolation or is embedded with peace
Full module ii；The security module I and security module II are Special safety chip；What the Special safety chip can be provided
Cryptographic service includes：Digital signature, encryption and decryption, certificate storage；The cryptographic algorithm that the Special safety chip is supported includes：SM1、
The close algorithm of SM2, SM3, SM4 state and international cryptography algorithm 3DES, AES, RSA and SHA-1, SHA-256；The Special safety chip
The EBI of support includes：USB, SD and SPI.
Described information sender generates public private key pair I by the security module I, and by public private key pair I public key information
PK1 is stored in the Key Management server；Described information recipient generates public private key pair II by the security module II,
And public private key pair II public key information PK2 is stored in the Key Management server.
In the security module I and the Key Management server in the state of no session key, described information
Sender generates session key by the security module I, and the session key is believed with the public key of the public private key pair I respectively
Breath and the public private key pair II public key information are encrypted, and obtain the session key ciphertext corresponding with the public private key pair I
The corresponding session key ciphertext with the public private key pair II, and the session key corresponding with the public private key pair I is close
Text and the session key ciphertext corresponding with the public private key pair II are stored in the Key Management server；Described information is sent out
The side of sending is using the session key communication information and is sent to described information recipient；
There is no the session key in the security module I, and have the session key in the Key Management server
In the state of, described information sender obtains the session corresponding with the public private key pair I from the Key Management server
Key ciphertext, and with the private key information of the public private key pair I to the session key ciphertext that is obtained from the Key Management server
It is decrypted, obtains the session key；Described information sender is using the session key communication information and is sent to
Described information recipient；
Have in the security module I in the state of the session key, described information sender directly uses the session
Key encrypted communication information is simultaneously sent to described information recipient；
In the state of the security module II does not have the session key, described information recipient is from the cipher key management services
Obtain the session key ciphertext corresponding with the public private key pair II in device, and with the private key information of the public private key pair II to from
The session key ciphertext that the Key Management server is obtained is decrypted, and obtains the session key；Described information recipient
The ciphertext of the communication information is decrypted using the session key；
In the state of the security module II has the session key, described information recipient is directly close using the session
Key decrypts the ciphertext of the communication information.
Due in communication process, described information sender and described information recipient always using identical session key come
Coded communication information, thus described information sender and described information recipient only need to obtain a session key can be always
Communication, shortens the air time of described information sender and described information recipient, improves communication efficiency；In order to further
Ensure the security of communication process, it is to avoid the communication information that session key leakage is caused is stolen, and periodically can be sent by information
Side regenerates session key, the renewal for the key that conversates.
To ensure that described information sender and described information recipient use identical session key, described information hair
The side of sending can send the version number of the session key simultaneously when sending and encrypting the communication information, for described information recipient
Verification.
Specifically, as shown in Fig. 2 a kind of communication means of smart home safe communication system, it is characterised in that：Including note
Volume preparatory stage, first stage of communication and the subsequent communications stage；
Register the preparatory stage
Described information sender is registered in the Key Management server：Described information sender passes through the safe mould
After block I generation public private key pairs I, the private key information SK1 of the public private key pair I is stored in the security module I, and will be described
Public private key pair I public key information PK1 sends into the Key Management server storage；
Described information recipient is registered in the Key Management server：Described information recipient passes through the safe mould
After block II generation public private key pairs II, the private key information SK2 of the public private key pair II is stored in the security module II, and will
The public key information PK2 of the public private key pair II sends into the Key Management server storage；
Stage of communication first
Described information sender generates session key by the security module I, respectively with the public key information of the public private key pair I
The session key is encrypted with the public key information of the public private key pair II, the session corresponding with the public private key pair I is obtained secret
Key ciphertext and the session key ciphertext corresponding with the public private key pair II, and by the session corresponding with the public private key pair I
Key ciphertext and the session key ciphertext corresponding with the public private key pair II are stored in the Key Management server；
Described information sender is by the communication information with being sent to described information recipient after the session key；
Described information recipient obtains the session key corresponding with the public private key pair II from the Key Management server
Ciphertext, is solved with the private key information of the public private key pair II to the session key ciphertext obtained from the Key Management server
It is close, the session key is obtained, and the ciphertext of the communication information is decrypted using the session key, obtain the communication letter
Breath, completion communicates first；
The subsequent communications stage
Described information sender is using the session key communication information and is sent to described information recipient, described information
Recipient decrypts the ciphertext of the communication information using the session key.
It should be noted that in the subsequent communications stage, it is possible to the security module I or described security modules occur
The situation that session key in II is eliminated；
If the session key in the security module I is eliminated, now described information sender needs to regenerate new meeting
Key is talked about, the key management is stored in after the new session key is encrypted with the public key information PK2 of the public private key pair II
In server；And described information recipient needs to obtain the ciphertext of the new session key from the Key Management server,
The ciphertext of the new session key is decrypted using the private key information SK2 of the public private key pair II, the new session key is obtained, it is whole
Individual process is comparatively laborious.
Therefore communication process is simplified in order to further, in the subsequent communications stage, described information sender sends the communication information
Before, first inquire about in the security module I whether have the session key, if so, then directly using the session key
The communication information is simultaneously sent to described information recipient；If no, described information sender is from the cipher key management services
The session key ciphertext corresponding with the public private key pair I is obtained in device, with the private key information of the public private key pair I to from described
The session key ciphertext that Key Management server is obtained is decrypted, and obtains the session key；Described information sender uses
The communication information described in the session key is simultaneously sent to described information recipient.
If the session key in the security module II is eliminated, receive after the communication information, described information recipient inquiry
Whether there is session key in the security module II, if not having, described information recipient is from the Key Management server
It is middle to obtain the session key ciphertext corresponding with the public private key pair II, with the private key information of the public private key pair II to from described
The session key ciphertext that Key Management server is obtained is decrypted, and obtains the session key；Described information recipient uses
The session key decrypts the ciphertext of the communication information, obtains the communication information.
Embodiment 2
As shown in Figure 3 and Figure 4, the present embodiment in place of the difference of embodiment 1 with being：Also include application server, described information
Sender and described information recipient are connected with the application server communication respectively.
Specifically, described information sender by the communication information with being sent to the application server after session key,
Sent after the application server processes to described information recipient.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among claimed technical scheme scope of the invention.
Claims (9)
1. a kind of smart home safe communication system, it is characterised in that：Including information sender, receiving party and key management
Server, described information sender is provided with security module I, and described information recipient is provided with security module II；
Described information sender generates public private key pair I by the security module I, and by the public key information of the public private key pair I
It is stored in the Key Management server；Described information recipient generates public private key pair II by the security module II, and
The public key information of the public private key pair II is stored in the Key Management server；
Without in the state of session key in the security module I and the Key Management server, described information is sent
Side generates session key by the security module I, by the session key respectively with the public key information of the public private key pair I with
The public key information of the public private key pair II is encrypted, obtain the session key ciphertext corresponding with the public private key pair I and with
Session key ciphertext corresponding the public private key pair II, and by the session key ciphertext corresponding with the public private key pair I and
The session key ciphertext corresponding with the public private key pair II is stored in the Key Management server；Described information sender
Using the session key communication information and it is sent to described information recipient；
There is no the session key in the security module I, and have the session key in the Key Management server
In the state of, described information sender obtains the session corresponding with the public private key pair I from the Key Management server
Key ciphertext, and with the private key information of the public private key pair I to the session key ciphertext that is obtained from the Key Management server
It is decrypted, obtains the session key；Described information sender is using the session key communication information and is sent to
Described information recipient；
Have in the security module I in the state of the session key, described information sender directly uses the session
Key encrypted communication information is simultaneously sent to described information recipient；
In the state of the security module II does not have the session key, described information recipient is from the cipher key management services
Obtain the session key ciphertext corresponding with the public private key pair II in device, and with the private key information of the public private key pair II to from
The session key ciphertext that the Key Management server is obtained is decrypted, and obtains the session key；Described information recipient
The ciphertext of the communication information is decrypted using the session key；
In the state of the security module II has the session key, described information recipient is directly close using the session
Key decrypts the ciphertext of the communication information.
2. smart home safe communication system according to claim 1, it is characterised in that：Also include application server, institute
Information sender and described information recipient is stated to be connected with the application server communication respectively.
3. smart home safe communication system according to claim 1 or 2, it is characterised in that：Described information sender is
Control device, described information recipient is intelligent home device.
4. smart home safe communication system according to claim 1 or 2, it is characterised in that：Described information sender is
Intelligent home device, described information recipient is control device.
5. a kind of communication means of the smart home safe communication system described in claim 1, it is characterised in that：It is accurate including registration
Standby stage, first stage of communication and subsequent communications stage；
Register the preparatory stage
Described information sender is registered in the Key Management server；Described information recipient is in the key management
Registered in server；
Stage of communication first
Described information sender generates session key by the security module I, by the session key respectively with described public and private
I public key information and the public key information of the public private key pair II are encrypted key, obtain corresponding with the public private key pair I
Session key ciphertext and the session key ciphertext corresponding with the public private key pair II, and will be corresponding with the public private key pair I
Session key ciphertext and the session key ciphertext corresponding with the public private key pair II be stored in the Key Management server
In；
Described information sender is by the communication information with being sent to described information recipient after the session key；
Described information recipient obtains the session key corresponding with the public private key pair II from the Key Management server
Ciphertext, is solved with the private key information of the public private key pair II to the session key ciphertext obtained from the Key Management server
It is close, the session key is obtained, and the ciphertext of the communication information is decrypted using the session key, obtain the communication letter
Breath, completion communicates first；
The subsequent communications stage
Described information sender is using the session key communication information and is sent to described information recipient, described information
Recipient decrypts the ciphertext of the communication information using the session key.
6. the communication means of smart home safe communication system according to claim 5, it is characterised in that：Subsequent communications rank
Duan Zhong, sends before the communication information, and it is close whether to have the session in the described information sender inquiry security module I
Key, if not having, described information sender obtains the meeting corresponding with the public private key pair I from the Key Management server
Key ciphertext is talked about, with the public key information of the public private key pair I to the session key ciphertext that is obtained from the Key Management server
It is decrypted, obtains the session key；Described information sender is using the session key communication information and is sent to
Described information recipient.
7. the communication means of smart home safe communication system according to claim 5, it is characterised in that：Subsequent communications rank
After Duan Zhong, the ciphertext for receiving the communication information, whether have in the described information recipient inquiry security module II described
Session key, if not having, described information recipient obtains and the public private key pair II phases from the Key Management server
Corresponding session key ciphertext, the session with the private key information of the public private key pair II to being obtained from the Key Management server
Key ciphertext is decrypted, and obtains the session key, and decrypts the ciphertext of the communication information using the session key, obtains
Obtain the communication information.
8. the communication means of the smart home safe communication system according to claim any one of 5-7, it is characterised in that note
The volume preparatory stage concretely comprises the following steps：
Described information sender is registered in the Key Management server
Described information sender is generated after public private key pair I by the security module I, by the private key information of the public private key pair I
It is stored in the security module I, and the public key information of the public private key pair I is sent into the Key Management server deposits
Storage；
Described information recipient is registered in the Key Management server
Described information recipient is generated after public private key pair II by the security module II, and the private key of the public private key pair II is believed
Breath is stored in the security module II, and the public key information of the public private key pair II is sent to the Key Management server
Middle storage.
9. the communication means of smart home safe communication system according to claim 8, it is characterised in that：Also include application
Server, described information sender by the communication information with the application server is sent to after the session key, through institute
State and sent after application server processes to described information recipient.
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| CN201710230487.6A CN107094138B (en) | 2017-04-11 | 2017-04-11 | A kind of smart home safe communication system and communication means |
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| CN201710230487.6A CN107094138B (en) | 2017-04-11 | 2017-04-11 | A kind of smart home safe communication system and communication means |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107690030A (en) * | 2017-08-31 | 2018-02-13 | 恒宝股份有限公司 | A kind of method and Bluetooth intelligent card for unlocking and locking intelligent movable equipment |
| CN108111307A (en) * | 2018-01-20 | 2018-06-01 | 徐世莲 | A kind of secure messaging methods |
| CN109410394A (en) * | 2018-10-11 | 2019-03-01 | 深圳市捷恩斯威科技有限公司 | A kind of method for sending information and information transmitting system of intelligent door lock |
| CN110324213A (en) * | 2018-03-31 | 2019-10-11 | 神盾网络安全信息化中心股份有限公司 | A kind of data transmission method of smart home |
| CN111953582A (en) * | 2020-08-10 | 2020-11-17 | 四川阵风科技有限公司 | Encryption instant messaging method and system based on hardware device |
| CN115250189A (en) * | 2021-04-27 | 2022-10-28 | 西门子（中国）有限公司 | Secret key management method and device for intelligent household equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107690030A (en) * | 2017-08-31 | 2018-02-13 | 恒宝股份有限公司 | A kind of method and Bluetooth intelligent card for unlocking and locking intelligent movable equipment |
| CN108111307A (en) * | 2018-01-20 | 2018-06-01 | 徐世莲 | A kind of secure messaging methods |
| CN110324213A (en) * | 2018-03-31 | 2019-10-11 | 神盾网络安全信息化中心股份有限公司 | A kind of data transmission method of smart home |
| CN110324213B (en) * | 2018-03-31 | 2021-04-09 | 神盾网络安全信息化中心股份有限公司 | Data transmission method for smart home |
| CN109410394A (en) * | 2018-10-11 | 2019-03-01 | 深圳市捷恩斯威科技有限公司 | A kind of method for sending information and information transmitting system of intelligent door lock |
| CN111953582A (en) * | 2020-08-10 | 2020-11-17 | 四川阵风科技有限公司 | Encryption instant messaging method and system based on hardware device |
| CN115250189A (en) * | 2021-04-27 | 2022-10-28 | 西门子（中国）有限公司 | Secret key management method and device for intelligent household equipment |
| CN115250189B (en) * | 2021-04-27 | 2023-06-02 | 西门子（中国）有限公司 | Key management method and device for intelligent household equipment |
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