CN106375390B - Data transmission method, system and its apparatus in a kind of Internet of Things - Google Patents

Data transmission method, system and its apparatus in a kind of Internet of Things Download PDF

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Publication number
CN106375390B
CN106375390B CN201610755870.9A CN201610755870A CN106375390B CN 106375390 B CN106375390 B CN 106375390B CN 201610755870 A CN201610755870 A CN 201610755870A CN 106375390 B CN106375390 B CN 106375390B
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China
Prior art keywords
data
initial data
receiving end
digital signature
transmitting terminal
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Application number
CN201610755870.9A
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Chinese (zh)
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CN106375390A (en
Inventor
宋宇
赵微
许楠
张勇
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北京爱接力科技发展有限公司
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Priority to CN201610755870.9A priority Critical patent/CN106375390B/en
Publication of CN106375390A publication Critical patent/CN106375390A/en
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Publication of CN106375390B publication Critical patent/CN106375390B/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/12Network-specific arrangements or communication protocols supporting networked applications adapted for proprietary or special purpose networking environments, e.g. medical networks, sensor networks, networks in a car or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for supporting authentication of entities communicating through a packet data network

Abstract

The present invention relates to data transmission methods in a kind of Internet of Things, data are transmitted in terminal room under environment of internet of things, initial data is sent to network data transmission equipment by transmitting terminal, via network data transmission equipment data are successively added with respective digital signature, the last one network data transmission equipment verifies all digital signature in received data, confirm that initial data therein after transmitting terminal, is sent to receiving end by the path of setting by data.The present invention also provides data transmission devices in data transmission system in a kind of Internet of Things and Internet of Things.Data of the invention are signed when passing through each hardware device in transmission process, posterior receiving device can verify signature, to carry out effective safety management to multiple nodes in a communication chain, ensure the communication security of whole communication chain, non-credit personnel can be prevented to invade and control equipment.

Description

Data transmission method, system and its apparatus in a kind of Internet of Things

Technical field

The invention belongs to field of data transmission, and in particular to data transmission method, system and its apparatus in a kind of Internet of Things.

Background technique

Internet of Things (Internet of Things) is one based on the information carriers such as internet, conventional telecommunications net, benefit It is provided safely controllable or even personalized with technologies such as RFID, wireless data communication using security assurance information mechanism appropriate Real time on-line monitoring, positioning retrospect, alarm linkage, dispatch control, program management, remotely control, safety precaution, long-range maintenance, The management and services function such as decision support, the net for allowing all General Physics object implementatio8s that can be independently addressable to interconnect Network realizes " pipe, control, battalion " integration to " efficiently, energy saving, safe and environment-friendly " of " all things on earth ", with plain objects equipment Change, autonomous terminal is interconnected and the intelligentized important feature of Pervasive Service.

There is mass data under environment of internet of things, carry out data transmission between multiple nodes, data safety is generally closed Note, puts forward higher requirements mass data safe transmission, it is necessary to ensure that the transmission that information can be safe and accurate from sending device Object is received to specific.If data do not encrypt when transmitting, it is be easy to cause leaking data, attacker can easily steal Data;And the encrypted transmission certainty occupying system resources of data, in the case where node operational capability is certain, systematic entirety energy It reduces, may cause network blockage.Currently, data encryption mode generally use transmitting terminal encryption, receiving end decryption it is asymmetric Encryption Algorithm, the data transmission method used under environment of internet of things still have be easy to crack, safety is low, computationally intensive lacks Point.

Summary of the invention

The present invention provides data transmission method in a kind of Internet of Things, comprising:

Transmitting terminal receives initial data;

Transmitting terminal is digitally signed and encrypts to the initial data according to the mark of gateway identification and trunking;

The initial data of the digital signature and encryption is sent to receiving end by transmitting terminal;Wherein, the gateway identification is The gateway identification of transmitting terminal gateway or the gateway identification of receiving end gateway.

Further, transmitting terminal counts the initial data according to the mark of the gateway identification and trunking Word signature and encryption, comprising:

Transmitting terminal is digitally signed and encrypts to initial data according to the gateway identification, will carry the number label Name and the initial data of encryption send trunking;

Transmitting terminal carries out the initial data for carrying the digital signature and encryption according to the mark of the trunking Digital signature authentication and decryption, to be verified and the initial data after successful decryption;

Transmitting terminal utilizes the trunking, according to the mark of the trunking, after the verifying and successful decryption Initial data be digitally signed and encrypt.

Further, the trunking includes operation cloud, equipment cloud and/or remote server.

The present invention also provides data transmission methods in a kind of Internet of Things, comprising:

Receiving end receives the initial data with digital signature and encryption that transmitting terminal is sent;

Receiving end utilizes the mark of gateway identification and trunking, to the initial data with digital signature and encryption It is digitally signed verifying and decryption;

Receiving end obtains initial data in digital signature authentication and the successful decryption of the initial data;Wherein, described Gateway identification is the gateway identification of transmitting terminal gateway or the gateway identification of receiving end gateway.

Further, receiving end is in the digital signature authentication and/or unsuccessful decryption of the initial data, the method Include:

Receiving end sends the information for obtaining the initial data failure to transmitting terminal.

Further, the trunking includes to send operation cloud, equipment cloud and/or remote server.

The present invention provides data transmission system in a kind of Internet of Things

Receiving module, for receiving initial data;

Setup module is digitally signed the initial data for the mark according to gateway identification and trunking And encryption;

Sending module, for the initial data of the digital signature and encryption to be sent to receiving end;Wherein, the gateway It is identified as the gateway identification of the system gateway or the gateway identification of receiving end gateway.

Further, the setup module, comprising:

First transmission unit will be carried for initial data to be digitally signed and encrypted according to the gateway identification There are the digital signature and the initial data of encryption to send trunking;

Resolution unit, for the mark according to the trunking, to carrying the original of the digital signature and encryption Data are digitally signed verifying and decryption, to be verified and the initial data after successful decryption;

Encryption unit, for utilizing the trunking, according to the mark of the trunking, by the verifying and decryption Initial data after success is digitally signed and encrypts.

Further, the trunking includes operation cloud, equipment cloud and/or remote server.

The present invention provides data transmission device in a kind of Internet of Things, comprising:

Receiving module, for receiving the initial data with digital signature and encryption of transmitting terminal transmission;

Authentication module, for the mark of gateway identification and trunking, to described original with digital signature and encryption Data are digitally signed verifying and decryption;Wherein, the gateway identification is the gateway identification or receiving end net of transmitting terminal gateway The gateway identification of pass;

Module is obtained, for obtaining initial data in digital signature authentication and the successful decryption of the initial data.

The present invention provides data transmission device in a kind of Internet of Things, comprising:

Processor is digitally signed and adds to the initial data for the mark of gateway and the mark of trunking It is close, or verifying and decryption are digitally signed to the initial data;

Memory is signed for caching the initial data of the digital signature of generation and encryption, or to number Name is verified and decrypts successful initial data and cached.

Based on this, data of the invention are signed when passing through each hardware device in transmission process, posterior Receiving device can verify signature, so that effective safety management has been carried out to multiple nodes in a communication chain, Ensure the communication security of whole communication chain, non-credit personnel can be prevented to invade and control equipment.

In addition, the raising of the data-handling capacity with equipment, method and system of the invention is able to carry out mass data Transmission and processing, efficiently carry out data transmission.

Detailed description of the invention

Fig. 1 is first embodiment provided by the present invention, a kind of flow chart of the data transmission method in Internet of Things;

Fig. 2 is second embodiment provided by the present invention, a kind of flow chart of the data transmission method in Internet of Things;

Fig. 3 is 3rd embodiment provided by the present invention, a kind of structural schematic diagram of the data transmission system in Internet of Things;

Fig. 4 is fourth embodiment provided by the present invention, a kind of structural schematic diagram of the data transmission system in Internet of Things.

Specific embodiment

To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.

Below in conjunction with attached drawing, the technical scheme provided by various embodiments of the present application will be described in detail.

First embodiment:

Current inventor provides data transmission method in a kind of Internet of Things, for the safety issue of improve data transfer, Wherein executing subject can be mobile phone, smartwatch, computer etc., not do any restriction, the detailed process of this method to this present invention Schematic diagram is as shown in Figure 1, include the following steps:

Step 101, transmitting terminal receive initial data.

Specifically, transmitting terminal can correspond to multiple receiving ends simultaneously when transmitting terminal receives initial data;It can also be with It is transmitting terminal in the transmission signal for receiving receiving end, makes the state to receiving end data to be sent.Further, it sends End can receive initial data from third party device, and wherein third party device, which can be to pre-establish, trusts terminal or service Device;It is also possible to after establishing connection with receiving end, is transferred from transmitting terminal own database.Original number is obtained for transmitting terminal According to the mode present invention do not do any restriction herein.

Step 102, transmitting terminal are digitally signed initial data and add according to the mark of gateway identification and trunking It is close.

Wherein, trunking may include operation cloud, equipment cloud and/or remote server;Gateway identification can be transmission Hold the gateway identification of gateway or the gateway identification of receiving end gateway.

Specifically, transmitting terminal can be linked on network link by its gateway, carries out data transmission, data are sent To one or more receiving ends.For example, initial data passes through transmitting terminal gateway and equipment cloud, operation cloud and/or remote if necessary After the trunking of journey server etc., it is sent to receiving end.In data transmission procedure, the transmission on data transmission link is utilized Hold the mark of gateway and each trunking that digital signature and encryption are set to transmitted data, so that the data transmitted include It further include the digital signature of the setting of gateway and trunking to initial data outside encrypted initial data.

The digital signature and encrypted initial data are sent to receiving end by step 103, transmitting terminal.

For being digitally signed and encrypting to initial data mentioned in the present invention, can be first to initial data into After row encryption, then digital signature is assigned to the initial data of encryption;It is also possible to first assign data signature to initial data, then will Initial data with digital signature is encrypted;It can basis as the sequence for being digitally signed and encrypting to initial data The corresponding sequence of different application scene selection does not do any restriction based on this present invention herein.

It, can also be with it should be understood that the trunking that the embodiment of the present invention is proposed can be built in executing subject It is that executing subject is connected with external trunking (i.e. third party device), any restriction is not done to this present invention.

The present invention sends initial data to receiving end by transmitting terminal, and transmitting terminal is set according to the mark and relaying of the gateway Digital signature and encryption, and the initial data that will have the digital signature and encryption is arranged to the initial data in standby mark It is sent to receiving end, invades or transmit that inaccuracy etc. is safe asks so as to solving data transmission in the prior art by unknown equipment Topic.

In order to efficiently solve data transmission in safety problem, can be further accomplished in the following manner for step 102:

Firstly, transmitting terminal is digitally signed and encrypts to initial data according to transmitting terminal gateway identification, will carry The initial data for stating digital signature and encryption sends trunking;

Then, transmitting terminal is according to the mark of the trunking, to the original number for carrying the digital signature and encryption According to verifying and decryption is digitally signed, to be verified and the initial data after successful decryption;

Finally, transmitting terminal utilizes the trunking, according to the mark of the trunking, by the verifying and it is decrypted into Initial data after function is digitally signed and encrypts.

Since trunking can be made of a transmission device, can also be constituted for multiple transmission devices, therefore passed to improve The safe rate of transmission of data is further illustrated for step 102 in the above method are as follows:

First, transmitting terminal encrypts initial data using the public key of trunking according to the mark of operation cloud;According to Transmitting terminal gateway identification is digitally signed original number using the private key of transmitting terminal gateway;

Second, transmitting terminal is by the original data transmissions with the digital signature and encryption to trunking;

Third, trunking is according to the mark of transmitting terminal gateway, using transmitting terminal gateway public key to the number of initial data Signature is verified;According to the mark of trunking, the initial data of the private key pair encryption of sharp trunking is decrypted.

4th, trunking carries out initial data using the public key of receiving end gateway according to the mark of receiving end gateway Encryption;According to the mark of trunking, initial data is digitally signed using the private key of trunking.

It should be understood that cloud can will be operated when trunking is operation cloud and/or equipment cloud, remote server And/or the function of equipment cloud, remote server is built in executing subject (i.e. transmitting terminal), is also possible to executing subject and (sends End) it is attached in advance with operation cloud and/or equipment cloud, remote server.

Second embodiment:

Current inventor provides data transmission method in a kind of Internet of Things, for the safety issue of improve data transfer, Wherein executing subject can be mobile phone, smartwatch, computer etc., not do any restriction, the detailed process of this method to this present invention Schematic diagram is as shown in Fig. 2, include the following steps:

Step 201, receiving end receive the initial data with digital signature and encryption that transmitting terminal is sent.

Specifically, receiving end is connected on network link, the data that different transmitting terminals are sent can be received.Transmitting terminal hair After the initial data sent is by transmitting terminal gateway and the trunking such as equipment cloud, operation cloud and/or remote server, by Receiving end receives.In data transmission procedure, the mark of transmitting terminal gateway and each trunking on data transmission link is utilized Know and digital signature and encryption are arranged to initial data.

Step 202, receiving end utilize the mark of gateway identification and trunking, to described with digital signature and encryption Initial data is digitally signed verifying and decryption.

Wherein, the trunking includes to send operation cloud, equipment cloud and/or remote server.

Specifically, the mark for the trunking that receiving end is passed through using the mark and data of transmitting terminal gateway, right In received data include all data signatures verified and encrypted the decryption of initial data.

Step 203, receiving end obtain initial data in digital signature authentication and the successful decryption of the initial data.

The present invention receives the initial data of transmitting terminal transmission by receiving end, receiving end according to the mark of transmitting terminal gateway and The mark of the trunking passed through is digitally signed verifying and decryption to digital signature and the initial data of encryption; When the digital signature authentication of the initial data passes through, and after successful decryption, receiving end receives initial data therein, so as to To solve data transmission in the prior art the safety problems such as inaccuracy are invaded or transmitted by unknown equipment.

Since trunking can be made of a transmission device, can also be constituted for multiple transmission devices, therefore passed to improve The safe rate of transmission of data can be reception for the verifying and manner of decryption of the digital signature in step 202 in the above method It holds when receiving the initial data with digital signature and encryption, it can be according to the mark of receiving end gateway (or transmitting terminal gateway) Know, the encryption of initial data is decrypted using gateway private key;According to the mark of trunking, the public key of trunking is utilized The digital signature of initial data is verified.

Data transmission method in a kind of Internet of Things provided by the present invention, when receiving end is in the number label of the initial data When name is verified and/or decrypts unsuccessful, which comprises receiving end is sent to transmitting terminal obtains the initial data failure Information.

3rd embodiment:

As shown in figure 3, data transmission system in a kind of Internet of Things, including receiving module 301, setup module 302, transmission mould Block 303;It specifically includes as follows:

Receiving module 301, for receiving initial data;

Setup module 302 carries out digital label to the initial data for the mark according to gateway identification and trunking Name and encryption;

Sending module 303, for for the initial data of the digital signature and encryption to be sent to receiving end;Wherein, The gateway identification is the gateway identification of the system gateway or the gateway identification of receiving end gateway.

Further, setup module 302 may include: the first transmission unit, resolution unit and encryption unit, specifically such as Under:

First transmission unit will be carried for initial data to be digitally signed and encrypted according to the gateway identification There are the digital signature and the initial data of encryption to send trunking;

Resolution unit, for the mark according to the trunking, to carrying the original of the digital signature and encryption Data are digitally signed verifying and decryption, to be verified and the initial data after successful decryption;

Encryption unit, for utilizing the trunking, according to the mark of the trunking, by the verifying and decryption Initial data after success is digitally signed and encrypts.

The trunking includes operation cloud, equipment cloud and/or remote server.

Data transmission system in a kind of Internet of Things provided by the present invention, executing subject is by sending original number to receiving end According to digital signature and encryption being arranged to the initial data, then will according to the mark of the mark of the gateway and trunking It is sent to receiving end with digital signature and the initial data of encryption, it is unknown so as to solve data transmission in the prior art The safety problems such as equipment invasion or transmission inaccuracy.

Fourth embodiment:

As shown in figure 4, data transmission device in a kind of Internet of Things, including receiving module 41, authentication module 42, acquisition module 43, specific as follows shown:

Receiving module 41, for receiving the initial data with digital signature and encryption of transmitting terminal transmission;

Authentication module 42, for the mark of gateway identification and trunking, to the original with digital signature and encryption Beginning data are digitally signed verifying and decryption;Wherein, the gateway identification is gateway identification or the receiving end of transmitting terminal gateway The gateway identification of gateway;

Module 43 is obtained, for obtaining initial data in digital signature authentication and the successful decryption of the initial data.

Data transmission system in a kind of Internet of Things that the present invention is supplied, executing subject are sent by executing subject by receiving The initial data for holding transmission, according to the mark of the mark of transmitting terminal gateway and the trunking passed through, in received data All digital signature verified and decrypted, by unknown equipment invaded or passed so as to solve data transmission in the prior art The safety problems such as defeated inaccuracy.

5th embodiment:

Data transmission device in a kind of Internet of Things of the invention, including processor and memory, wherein

Processor is digitally signed and adds to the initial data for the mark of gateway and the mark of trunking It is close, or verifying and decryption are digitally signed to the initial data;

Memory is signed for caching the initial data of the digital signature of generation and encryption, or to number Name is verified and decrypts successful initial data and cached.

Data transmission device in a kind of Internet of Things that the present invention is supplied, including processor and memory, pass through processor pair Initial data is digitally signed verifying and decryption, and using memory by the digital signature of generation and the initial data of encryption into Row caching, or cached to digital signature authentication and the successful initial data of decryption, so as to solve existing skill The safety problems such as inaccuracy are invaded or transmitted to data transmission by unknown equipment in art.

It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.

The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.

These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.

In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net Network interface and memory.

Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/or The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium Example.

Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data. The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM), Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.

It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element There is also other identical elements in process, method, commodity or equipment.

It will be understood by those skilled in the art that embodiments herein can provide as method, system or computer program product. Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) Formula.

The above is only embodiments herein, are not intended to limit this application.To those skilled in the art, Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement, Improve etc., it should be included within the scope of the claims of this application.

Claims (8)

1. data transmission method in a kind of Internet of Things characterized by comprising
Transmitting terminal receives initial data;
In data transmission procedure, transmitting terminal gateway, each trunking and the receiving end net on data transmission link are utilized Digital signature and encryption is arranged to transmitted data in the mark of pass so that the data transmitted include encrypted initial data with And transmitting terminal gateway, trunking and receiving end gateway, to the digital signature of the setting of initial data, initial data is being transmitted across The signature of hardware device in journey with each process;
Receiving end will be sent to the digital signature and the initial data of encryption.
2. the method according to claim 1, wherein the trunking includes operation cloud, equipment cloud and/or remote Journey server.
3. data transmission method in a kind of Internet of Things characterized by comprising
Receiving end receives the initial data for having digital signature and encryption, wherein in data transmission procedure, is transmitted using data The mark of the transmitting terminal gateway of chain road, each trunking and receiving end gateway to transmitted data be arranged digital signature and Encryption, so that the data transmitted include encrypted initial data and transmitting terminal gateway, trunking and receiving end gateway To the digital signature of the setting of initial data, the label of hardware device of the initial data in transmission process with each process Name;
Receiving end utilizes mark, the mark of the mark of trunking and receiving end gateway of transmitting terminal gateway, to received In initial data include all data signatures carry out verify and encryption data is decrypted;
Receiving end obtains initial data in digital signature authentication and the successful decryption of the initial data.
4. according to the method described in claim 3, it is characterized in that, receiving end the initial data digital signature authentication And/or when decrypting unsuccessful, which comprises
Receiving end sends the information for obtaining the initial data failure to transmitting terminal.
5. the method according to claim 3 or 4, which is characterized in that the trunking includes to send operation cloud, equipment cloud And/or remote server.
6. data transmission system in a kind of Internet of Things characterized by comprising
Receiving module, for receiving the initial data for having digital signature and encryption, wherein in data transmission procedure, utilize Number is arranged to transmitted data in the mark of transmitting terminal gateway, each trunking and receiving end gateway on data transmission link Word signature and encryption, so that the data transmitted include encrypted initial data and transmitting terminal gateway, trunking and connect Receiving end gateway is to the digital signature of the setting of initial data, and the initial data is in transmission process with the hardware of each process The signature of equipment;
Authentication module, for mark, the mark of the mark of trunking and receiving end gateway using transmitting terminal gateway, to being connect In the initial data received include all data signatures carry out verify and encryption data is decrypted;
Module is obtained, for obtaining initial data in digital signature authentication and the successful decryption of the initial data.
7. system according to claim 6, which is characterized in that digital signature authentication of the receiving end in the initial data And/or when decrypting unsuccessful, receiving end sends the information for obtaining the initial data failure to transmitting terminal.
8. system according to claim 6 or 7, which is characterized in that the trunking includes to send operation cloud, equipment cloud And/or remote server.
CN201610755870.9A 2016-08-29 2016-08-29 Data transmission method, system and its apparatus in a kind of Internet of Things CN106375390B (en)

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