CN103106744B - Internet of things intelligent gas meter embedded with information security management module - Google Patents
Internet of things intelligent gas meter embedded with information security management module Download PDFInfo
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Abstract
The invention discloses an internet of things intelligent gas meter embedded with an information security management module. The information security management module comprises a processor, a first data interface, a second data interface and a flash storer, wherein the processor is respectively connected into the first data interface, the second data interface and the flash storer. When the information security management module exchanges data with an internet of things remote control terminal, identity authentication is conducted, and the communicating validity of the information security management module and the internet of things remote control terminal is ensured. A terminal master controller of the internet of things intelligent gas meter can be communicated with the outside only through the information security management module. The internet of things intelligent gas meter embedded with the information security management module is simple in structure of module, can be connected into a gas management system in a seamless mode through the internal information security management module, achieves dispersion manufacture and unified management of the internet of things intelligent gas meter, and is wide in range of application.
Description
Technical field
The present invention relates to a kind of intelligent gas meter, in particular, the present invention relates generally to a kind of Intelligent gas meter based on internet of things that is embedded with information security management module.
Background technology
Intelligent gas meter based on internet of things need to be used telecommunication technique and technology of Internet of things, makes gas meter, flow meter become a terminal device, gas meter, flow meter real-time online and the internet exchange message of internet.The communication path of Intelligent gas meter based on internet of things and its total management system is: data, by upper strata multistage communication device, by Internet network, arrive Intelligent gas meter based on internet of things total management system.Because telecommunication technique and technology of Internet of things all exist the safety issue of data transmission, so there is great risk in the information security management of Intelligent gas meter based on internet of things.Use telecommunication equipment, data may make a mistake, and also may suffer artificial modification, cause Intelligent gas meter based on internet of things out of control, and the gas management system of selling that causes user can depart from natural gas companies is arbitrarily used gas.Use Internet network, Internet Server is easily under attack, and in the unwitting situation of Intelligent gas meter based on internet of things user, information is read and distorts; Disabled user forges and to copy Intelligent gas meter based on internet of things equipment identities, assumes another's name to be input to and sells in gas management system, can Update Table, steal tolerance, and make gas company suffer economic loss.
The Intelligent gas meter based on internet of things that has a plurality of manufacturer production on market, its safety management mode is different, if gas company has been used the Intelligent gas meter based on internet of things of different manufacturers, same while carrying out unified management in selling gas system, Intelligent gas meter based on internet of things can depart from the management of selling gas management system, arbitrarily, with gas, therefore gas company will suffer economic loss.
It is too huge that the Internet of Things of gas company is sold gas management system, involve several data transport module, several data management system, and current perfect not enough internet, all there is uncertainty in the key link of these data transmission, easily produces exchanges data mistake, easily suffers artificial invasion, cause Internet of Things gas meter, flow meter and the security of selling the exchange of gas management system data can not be guaranteed, gas company is caused to economic loss.As can be seen from the above, there are too many risk factors in Intelligent gas meter based on internet of things in safety management, and these risk factors cause the economic loss of gas company, is therefore necessary to do further improvement for existing Intelligent gas meter based on internet of things.
Summary of the invention
One of object of the present invention is for above-mentioned deficiency, a kind of Intelligent gas meter based on internet of things that is embedded with information security management module is provided, to expect the problems such as the information security management of solution Intelligent gas meter based on internet of things of the prior art and management system thereof can not be guaranteed, thereby eliminate the risk of information security management in gas company's operation.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
A kind of Intelligent gas meter based on internet of things that is embedded with information security management module provided by the present invention, comprise mechanical measuring apparatus, Intelligent gas meter based on internet of things terminal master controller and data transmission module, described mechanical measuring apparatus is provided with combustion gas input port and combustion gas delivery outlet, and electromechanical valve and electromechanical signal conversion device are at least installed in mechanical measuring apparatus, described electromechanical signal conversion device accesses Intelligent gas meter based on internet of things terminal master controller by signal pre-processing circuit, and electromechanical valve accesses described Intelligent gas meter based on internet of things terminal master controller by electromechanical valve control circuit, in described Intelligent gas meter based on internet of things, also comprise information security management module, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH storer, described processor accesses respectively the first data-interface, the second data-interface and FLASH storer, wherein:
Described the first data-interface access data transport module, communicate by letter with the unique data of data transmission module for carrying out Intelligent gas meter based on internet of things, and transmit it to processor while coming from the external data that data transmission module receives from Internet of Things receiving;
Described FLASH storer is for storing control and the documentor of information security management module;
Described the second data-interface access Intelligent gas meter based on internet of things terminal master controller, for carrying out the data communication between processor and Intelligent gas meter based on internet of things terminal master controller, described Intelligent gas meter based on internet of things terminal master controller is for carrying out the operation of corresponding table end according to the instruction of processor;
Described processor is for when receiving the external data that comes from the first data-interface, to sending the Internet of Things remote control terminal of external data, carry out authentication, judge whether to obtain the encrypted packets in this external data, and by the second data-interface, to Intelligent gas meter based on internet of things terminal master controller, send corresponding operational order according to the affairs that comprise in data.
As preferably, further technical scheme is: the processor of described information security management module is for when receiving the external data that comes from the first data-interface, according to external data, Internet of Things remote control terminal is carried out to authentication, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the original state that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out to pre-service, and from Intelligent gas meter based on internet of things terminal master controller, obtain corresponding return message by the second data-interface, after being encrypted, described return message returns to data transmission module by the first data-interface, after effectively being confirmed, pre-service result approved and stored relevant operation information, and to Intelligent gas meter based on internet of things terminal master controller transmit operation instruction; Otherwise abandon pre-service result or make caching process.
Further technical scheme is: in described FLASH storer, preset protocols limit condition and a plurality of different cipher key procedures, for in information security management module respectively when different Internet of Things remote control terminal carries out exchanges data, processor is compared with a plurality of cipher key procedures preset in FLASH storer according to the encryption key of external data, thereby the identity of authentication Internet of Things remote control terminal, and after encrypted packets deciphering and completeness check pass through, validity according to protocols limit condition Verification data under current identity, judge whether the affairs in data to carry out pre-service,
In described Intelligent gas meter based on internet of things, also comprise IC-card information exchange module, described the first data-interface access IC-card information exchange module, for transmit it to processor when receiving the external data that comes from IC-card information exchange module, processor is carried out the verification identical with the external data that comes from data transmission module to described external data.
Further technical scheme is: in described information security management module, also comprise eeprom memory, described eeprom memory also accesses processor, for the associative operation information of storage of processor to Intelligent gas meter based on internet of things terminal master controller, and the pre-service result of processor to affairs in external data.
Described Intelligent gas meter based on internet of things terminal master controller is also connected with LCDs by liquid crystal display circuit, for the Various types of data information of Intelligent gas meter based on internet of things is presented in LCDs.
Further technical scheme is: described processor is for carrying out central processing unit or the single-chip microcomputer of cryptographic algorithm; Described data transmission module is network communication module or bus communication module.
Further technical scheme is: the first described data-interface is network communication interface or bus interface.
Further technical scheme is: described network communication interface is at least any one in the middle of RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface or Optical Fiber Transmission interface, data line transmission interface, line of electric force transmission interface; Described bus interface is at least any one in the middle of Mbus bus interface, RS485 bus interface, CAN bus interface.
Further technical scheme is: the second described data-interface is at least any one in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface.
Further technical scheme is: described information security management module also comprises encrypting module, described encrypting module access processor, for the multistage encryption and decryption to information security management module and Internet of Things remote control terminal, Intelligent gas meter based on internet of things terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains Internet of Things remote control terminal carries out authentication.
Further technical scheme is: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
Compared with prior art, one of beneficial effect of the present invention is: by embed information security management module in Intelligent gas meter based on internet of things, while making it carry out exchanges data by data transmission module and Internet of Things remote control terminal, carry out authentication, guaranteed the legitimacy of both communication, and Intelligent gas meter based on internet of things terminal master controller must could communicate with outside by information security management module; Gas company utilizes the information security management module in gas meter, flow meter, the authority that can realize differentiated control by different keys arranges, and adopt 3DES/AES multi-level encryption mode, make the security of key higher, and can download a mouthful real-time upgrading key, the risk of avoiding key exposure to bring by the program in information security management module; By built-in data verifying program, guarantee that the data of transmission are true, accurate, complete.Simultaneously a kind of Intelligent gas meter based on internet of things that is embedded with information security management module provided by the present invention is simple in structure, can seamless access civil gas management system by inner information security management module, realizing Intelligent gas meter based on internet of things disperses to manufacture, unified management, range of application is wide, and guarantee the independence of gas company on gas meter, flow meter is controlled, and be not subject to extraneous restriction.
Accompanying drawing explanation
Fig. 1 is for the Intelligent gas meter based on internet of things structured flowchart of one embodiment of the invention is described;
Fig. 2 is the information security management modular structure block diagram for illustrating that one embodiment of the invention is embedded with;
Fig. 3 is for the management system block diagram of the embodiment of the present invention is described.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
With reference to figure 1, shown in Fig. 2, one embodiment of the present of invention are a kind of Intelligent gas meter based on internet of things that are embedded with information security management module, comprise mechanical measuring apparatus, Intelligent gas meter based on internet of things terminal master controller and data transmission module, described mechanical measuring apparatus is provided with combustion gas input port and combustion gas delivery outlet, and electromechanical valve and electromechanical signal conversion device are at least installed in mechanical measuring apparatus, described electromechanical signal conversion device accesses Intelligent gas meter based on internet of things terminal master controller by signal pre-processing circuit, and electromechanical valve accesses described Intelligent gas meter based on internet of things terminal master controller by electromechanical valve control circuit, unlike the prior art, in described Intelligent gas meter based on internet of things, also comprise information security management module, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH storer, described processor accesses respectively the first data-interface, the second data-interface and FLASH storer, wherein:
Above-mentioned the first data-interface access data transport module, effect is to carry out Intelligent gas meter based on internet of things to communicate by letter with the unique data of data transmission module, and transmits it to processor while coming from the external data that data transmission module receives from Internet of Things receiving;
The effect of above-mentioned FLASH storer is control and the documentor in storage information security management module;
Above-mentioned the second data-interface access Intelligent gas meter based on internet of things terminal master controller, effect is the data communication of carrying out between processor and Intelligent gas meter based on internet of things terminal master controller, and the effect of Intelligent gas meter based on internet of things terminal master controller is to carry out the operation of respective table end according to the instruction of processor;
The effect of above-mentioned processor is when receiving the external data that comes from the first data-interface, to sending the Internet of Things remote control terminal of external data, carry out authentication, judge whether to obtain encrypted packets in this external data, and by the second data-interface, to Intelligent gas meter based on internet of things terminal master controller, send corresponding operational order according to the affairs that comprise in data.
Known according to above-mentioned technical scheme, the technical matters that the present embodiment solves is by the information security management module of above-mentioned composition structure, between Multi-stage transmission transfer device in Intelligent gas meter based on internet of things Intelligent gas meter based on internet of things terminal master controller and Internet of Things, Internet of Things remote control terminal, carry out data retransmission, and authenticated and encryption and decryption when forwarding, thereby coordinate gas company to manage the intelligent gas meter of terminal, to eliminate the risk of information security management in gas company's operation.
And the Oscillator module shown in Fig. 1 and pin XIN, XOUT provide clock signal to information security management module; RAM storer is for the operating ephemeral data of memory module; VCC and VSS two pins provide working power for information security management module, and this power supply should be continued power and can not being provided by Intelligent gas meter based on internet of things terminal master controller pin.
Shown in Fig. 1, an embodiment who is more preferably for technical solution problem in the present invention, the concrete mode that the processor that a kind of above-mentioned information security management module is provided is carried out the authentication of Internet of Things remote control terminal and affairs, when its processor receives the external data that comes from the first data-interface, according to external data, Internet of Things remote control terminal is carried out to authentication, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the original state that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out to pre-service, and from Intelligent gas meter based on internet of things terminal master controller, obtain corresponding return message by the second data-interface, after being encrypted, described return message returns to data transmission module by the first data-interface, after effectively being confirmed, pre-service result approved and stored relevant operation information, and to Intelligent gas meter based on internet of things terminal master controller transmit operation instruction; Otherwise abandon pre-service result or make caching process, within the predefined time, not receiving the confirmation result of data transmission module, for example, in three minutes, not receiving the confirmation of data transmission module, original state resets; Aforesaid caching process refers to keeps in pre-service object command, when processor is again waken up and receives the confirmation of data transmission module, in the same way to Intelligent gas meter based on internet of things terminal master controller transmit operation instruction.
The affairs of the present embodiment peripheral data from the authentication of Internet of Things remote control terminal to external data in above-mentioned technical scheme, have been comprised by the performed whole flow process of processor, by the programming of above-mentioned flow process, further strengthened in Intelligent gas meter based on internet of things information security management module to receiving the security of information and executing.And the above-mentioned processor reset original state of repeatedly mentioning, be the state of resetting processor before carrying out above-mentioned any one operation, for example before receiving external data, to carry out the state of authentication be dormant state to processor, when receiving that external data is waken up by dormant state, but the authentication of Internet of Things remote control terminal is judged as when illegal, processor recovers dormant state, do not carry out any operation, in other step, the situation of processor reset also substantially as hereinbefore, when authentication failed, processor can be stored operation note.Above-mentioned mentioned Internet of Things remote control terminal is various communication object simultaneously, and different communication objects is finally connected to the gas management system of selling.
And it is same, in another embodiment of the present invention, for realizing, by different rights, information security management module is managed, need be in above-mentioned FLASH storer preset protocols limit condition and a plurality of different cipher key procedures, it act as in information security management module respectively when different Internet of Things remote control terminal carries out exchanges data, processor is compared with a plurality of cipher key procedures preset in FLASH storer according to the encryption key of external data, thereby the identity of authentication Internet of Things remote control terminal, and after encrypted packets deciphering and completeness check pass through, validity according to protocols limit condition Verification data under current identity, judge whether the affairs in data to carry out pre-service,
Shown in figure 2, for meeting, make above-mentioned Intelligent gas meter based on internet of things have the IC-card read functions of current main flow intelligent gas meter concurrently simultaneously, also can set up therein IC-card information exchange module, by above-mentioned the first data-interface access IC-card information exchange module, for transmit it to processor when receiving the external data that comes from IC-card information exchange module, processor is carried out the verification identical with the external data that comes from data transmission module to described external data.
According to another embodiment of the present invention, just as described above, buffer memory for ease of processor pre-service result, in information security management module, also relatively independent eeprom memory can be set, and eeprom memory is also accessed to processor, for the associative operation information of storage of processor to Intelligent gas meter based on internet of things terminal master controller, the pre-service result of processor to affairs in external data, and the failure record of processor checking, and in FLASH storer, be also provided with other program that can be utilized by processor, once be after processor is stored in eeprom memory to the associative operation information of Intelligent gas meter based on internet of things terminal master controller, by unsuppressible-suppression and modification, to make the running status of information security management module leave complete record.
The Intelligent gas meter based on internet of things that is embedded with information security management module in above-described embodiment in actual applications, be as good as with existing Intelligent gas meter based on internet of things, it is in the technical foundation of remote-control intelligent gas meter, pass through technology of Internet of things, make gas meter, flow meter become a terminal device of internet, real-time online, intelligent gas meter with internet exchange message, go out as shown in Figure 1, Intelligent gas meter based on internet of things terminal master controller is according to the operational order of information security management module, control signal pre-process circuit has coordinated with electromechanical signal conversion device in mechanical measuring apparatus the function such as supplements with money, tally function is converted to electric signal by electromechanical signal conversion device by the mechanical count signal in mechanical measuring apparatus, by signal pre-processing circuit, transfer in Intelligent gas meter based on internet of things terminal master controller, and will measure accordingly numerical value and present in LCDs by liquid crystal display circuit, by the upper strata multistage communication devices such as data acquisition unit, data concentrator and Internet of Things remote control terminal constituent, network, GradeNDivision data area, and then by carrying out signal distribution and integrate in internet, guarantee the stability of signal transmission in Internet of Things, when the remaining sum of supplementing with money in subscriber's meter is used up, Intelligent gas meter based on internet of things terminal master controller is controlled the electromechanical valve in mechanical measuring apparatus by electromechanical valve control circuit, it is turn-offed, and then stop air feed.
The processor that above-described embodiment is mentioned is the core of information security management module in Intelligent gas meter based on internet of things, be used for carrying out corresponding program and data encryption, in another embodiment of the present invention, above-mentioned processor is for directly adopting central processing unit or the single-chip microcomputer that can carry out cryptographic algorithm in prior art, such as EFM32 etc.
Data communication mode based on required in above-described embodiment, inventor is with reference to prior art, selected the transmission technology of part in prior art to realize communicating by letter between processor and interface, wherein data transmission module can Adoption Network communication module or bus communication module, and corresponding with aforesaid data transmission module, can Adoption Network communication interface or bus interface for carrying out unique the first data-interface of communicating by letter with data transmission module in above-described embodiment.
Further, above-mentioned network communication interface can adopt wireless or wired form, radio network interface can adopt one or more in the middle of RF module interface, Zigbee module interface, WiFi module interface and bluetooth module interface, and wired network interface can adopt one or more in the middle of Optical Fiber Transmission interface, data line transmission interface and line of electric force transmission interface; In the middle of above-mentioned bus interface Mbus bus interface, RS485 bus interface, CAN bus interface one or more.
And it is corresponding, the second data-interface that in above-described embodiment, processor and Intelligent gas meter based on internet of things terminal master controller communicate preferably matches with conventional master controller, serial line interfaces such as USART interface, SPI interface or I2C interface, to increase the compatibility on information security management module integration and intelligent gas meter.
Shown in Fig. 1, security for data encryption and solution in information security management module in further assurance Intelligent gas meter based on internet of things, be preferably in its inside independently encrypting module is set, and by this encrypting module access processor independently, be used for information security management module and Internet of Things remote control terminal, the multistage encryption and decryption of Intelligent gas meter based on internet of things terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains Internet of Things remote control terminal carries out authentication, and with reference to the higher cipher mode of security in prior art, preferably adopt the Advanced Encryption Standard in AES(cryptography, the abbreviation of English Advanced Encryption Standard) or the triple data encryption algorithm of 3DES(, English Triple Data Encryption Algorithm) data of coming and going in information security management module are carried out to encryption and decryption.
Shown in Fig. 3, when Intelligent gas meter based on internet of things embeds after information security management module, the outside all communication datas of gas meter, flow meter are all by forwarding after information security management module encryption and decryption, and the internal processes of information security management module is unique, therefore selling gas management system can be considered as terminal by the information security management module in Intelligent gas meter based on internet of things, by Internet of Things, manage intelligent gas meter, with one, sell gas management system compatible various brands, the intelligent gas meter of type is managed concentratedly, effectively reduce gas company to different brands in region, the difficulty of the intelligent gas meter integration management of type.As shown in Figure 3, Intelligent gas meter based on internet of things with the exchanges data path of selling gas management system is: data, by upper strata multistage communication device, by Internet network (internet), arrive the gas management system of selling.And table end equipment user is by Internet access to netwoks intelligent gas meter total management system.
Except above-mentioned, also it should be noted that " embodiment ", " another embodiment " that spoken of in this manual, " embodiment " etc., refer to specific features, structure or the feature in conjunction with this embodiment, described and be included at least one embodiment that the application's generality describes.In instructions, a plurality of local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, while describing a specific features, structure or feature in conjunction with arbitrary embodiment, what advocate is in conjunction with other embodiment, to realize this feature, structure or feature also to fall within the scope of the invention.
Although with reference to a plurality of explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to the building block of subject combination layout and/or layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (9)
1. an Intelligent gas meter based on internet of things that is embedded with information security management module, comprise mechanical measuring apparatus, Intelligent gas meter based on internet of things terminal master controller and data transmission module, described mechanical measuring apparatus is provided with combustion gas input port and combustion gas delivery outlet, and electromechanical valve and electromechanical signal conversion device are at least installed in mechanical measuring apparatus, described electromechanical signal conversion device accesses Intelligent gas meter based on internet of things terminal master controller by signal pre-processing circuit, and electromechanical valve accesses described Intelligent gas meter based on internet of things terminal master controller by electromechanical valve control circuit, it is characterized in that: in described Intelligent gas meter based on internet of things, also comprise safety management module, described safety management module comprises processor, the first data-interface, the second data-interface and FLASH storer, described processor accesses respectively the first data-interface, the second data-interface and FLASH storer, wherein:
Described the first data-interface access data transport module, communicate by letter with the unique data of data transmission module for carrying out Intelligent gas meter based on internet of things, and transmit it to processor while coming from the external data that data transmission module receives from Internet of Things receiving;
Described FLASH storer is for control and the documentor of storage security administration module;
Described the second data-interface access Intelligent gas meter based on internet of things terminal master controller, for carrying out the data communication between processor and Intelligent gas meter based on internet of things terminal master controller, described Intelligent gas meter based on internet of things terminal master controller is for carrying out the operation of corresponding table end according to the instruction of processor;
Described processor is for when receiving the external data that comes from the first data-interface, according to external data, Internet of Things remote control terminal is carried out to authentication, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the original state that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out to pre-service, and from Intelligent gas meter based on internet of things terminal master controller, obtain corresponding return message by the second data-interface, after being encrypted, described return message returns to data transmission module by the first data-interface, after effectively being confirmed, pre-service result approved and stored relevant operation information, and to Intelligent gas meter based on internet of things terminal master controller transmit operation instruction; Otherwise abandon pre-service result or make caching process.
2. the Intelligent gas meter based on internet of things that is embedded with information security management module according to claim 1, it is characterized in that: in described FLASH storer, preset protocols limit condition and a plurality of different cipher key procedures, for at safety management module respectively when different Internet of Things remote control terminal carries out exchanges data, processor is compared with a plurality of cipher key procedures preset in FLASH storer according to the encryption key of external data, thereby the identity of authentication Internet of Things remote control terminal, and after encrypted packets deciphering and completeness check pass through, validity according to protocols limit condition Verification data under current identity, judge whether the affairs in data to carry out pre-service,
In described Intelligent gas meter based on internet of things, also comprise IC-card information exchange module, described the first data-interface access IC-card information exchange module, for transmit it to processor when receiving the external data that comes from IC-card information exchange module, processor is carried out the verification identical with the external data that comes from data transmission module to described external data.
3. the Intelligent gas meter based on internet of things that is embedded with information security management module according to claim 1, it is characterized in that: in described safety management module, also comprise eeprom memory, described eeprom memory also accesses processor, for the associative operation information of storage of processor to Intelligent gas meter based on internet of things terminal master controller, and the pre-service result of processor to affairs in external data;
Described Intelligent gas meter based on internet of things terminal master controller is also connected with LCDs by liquid crystal display circuit, for the Various types of data information of Intelligent gas meter based on internet of things is presented in LCDs.
4. the Intelligent gas meter based on internet of things that is embedded with information security management module according to claim 1, is characterized in that: described processor is for carrying out central processing unit or the single-chip microcomputer of cryptographic algorithm; Described data transmission module is network communication module or bus communication module.
5. the Intelligent gas meter based on internet of things that is embedded with information security management module according to claim 1, is characterized in that: the first described data-interface is network communication interface or bus interface.
6. the Intelligent gas meter based on internet of things that is embedded with information security management module according to claim 5, is characterized in that: described network communication interface is at least any one in the middle of RF module interface, Zigbee module interface, WiFi module interface, bluetooth module interface or Optical Fiber Transmission interface, data line transmission interface, line of electric force transmission interface; Described bus interface is at least any one in the middle of Mbus bus interface, RS485 bus interface, CAN bus interface.
7. the Intelligent gas meter based on internet of things that is embedded with information security management module according to claim 1, is characterized in that: the second described data-interface is at least any one in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface.
8. the Intelligent gas meter based on internet of things that is embedded with information security management module according to claim 1, it is characterized in that: described safety management module also comprises encrypting module, described encrypting module access processor, for the multistage encryption and decryption to safety management module and Internet of Things remote control terminal, Intelligent gas meter based on internet of things terminal master controller exchanges data, and the data encryption key that auxiliary processor obtains Internet of Things remote control terminal carries out authentication.
9. the Intelligent gas meter based on internet of things that is embedded with information security management module according to claim 8, is characterized in that: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
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