CN103093139B - Integrated circuit (IC) card intelligent gas meter information safety management module - Google Patents
Integrated circuit (IC) card intelligent gas meter information safety management module Download PDFInfo
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- CN103093139B CN103093139B CN201310039137.3A CN201310039137A CN103093139B CN 103093139 B CN103093139 B CN 103093139B CN 201310039137 A CN201310039137 A CN 201310039137A CN 103093139 B CN103093139 B CN 103093139B
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Abstract
The invention discloses an integrated circuit (IC) card intelligent gas meter information safety management module, and belongs to IC card intelligent gas meter management auxiliary devices. The information safety management module comprises a processer, a first data interface, a second data interface and a FLASH memorizer, wherein the processer is respectively switched in the first data interface, the second data interface and the FLASH memorizer, identity authentication is conducted to a gas selling management system by the information safety management module through an IC card information exchange module in the process of conducting data exchanging with the gas selling management system, and therefore validity of communication between the information safety management and the gas selling management system is guaranteed. Level-to-level administration to a gas company is achieved by utilizing different secret keys, a manner of 3 data encryption standard (DES) or advanced encryption standard (AES) multilevel encryption is adopted, safety of the secret keys is high, the secret keys can be updated in real time through a program download interface of the information safety management module, and therefore the risks caused by exposure of the secret keys are avoided. The IC card intelligent gas meter information safety management module is simple in structure, independence of an energy company in gas meter control is guaranteed, and restriction from the outside world is avoided.
Description
Technical field
The present invention relates to a kind of IC-card intelligent gas meter management aid, in particular, the present invention relates generally to a kind of IC-card intelligent gas meter information security management module.
Background technology
IC-card intelligent gas meter on market is various in style, quality is uneven, each gas company does not also sum up the method for qualification and the standard of selection, the gas company caused adopts several at least, adopt the IC-card intelligent gas meter of tens kinds of brands at most, the manufacturer of each IC-card intelligent gas meter uses different management methods to IC-card intelligent gas meter and grasps in hand by its management method, each gas company does not have the control of IC-card intelligent gas meter technically, IC-card intelligent gas meter manufacturer can depart from the management system of gas company, carry out the information processing of IC-card intelligent gas meter, control the use of IC-card intelligent gas meter, gas company also exists management system risk out of control.
Management system, operating equipment, transmission medium, management password, mode of operation etc. that the IC-card intelligent gas meter of different brands needs are all not identical, IC-card intelligent gas meter can depart from the management system of gas company, information is arbitrarily modified, using state is controlled, certain user specific or multiple user need not be paid and just can use combustion gas, gas company also exists IC-card intelligent gas meter risk out of control.
The control and management technology of IC-card intelligent gas meter with administrating system by manufacturer's designed, designed of each IC-card intelligent gas meter and exploitation, its technical scheme is different, the level of each manufacturer in safety technique, Data Interchange Technology is also uneven, causes portioned product to there is risk in the reliability of the security of information management, message exchange; Encryption, decryption technology are applied unreasonable, causing can by corresponding technological means, obtain the data analysis in transmission medium, breaking encryption algorithm and data protocol, thus write out the program of corresponding cooperation IC-card intelligent gas meter use, depart from the management system of gas company and sell combustion gas arbitrarily, gas company also exists IC-card intelligent gas meter and management system risk simultaneously out of control.Therefore be necessary for the problems referred to above, in IC-card intelligent gas meter, install a kind of management aid of information security management additional, realize information security management.
Summary of the invention
An object of the present invention is for above-mentioned deficiency, a kind of IC-card intelligent gas meter information security management module is provided, with problems such as the information security management of expecting to solve various IC-card intelligent gas meter of the prior art and management system thereof can not be guaranteed, 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 IC-card intelligent gas meter information security management module provided by the present invention, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH memory, described processor accesses the first data-interface, the second data-interface and FLASH memory respectively, wherein:
Described first data-interface communicates with the unique data of IC card information Switching Module for performing IC-card intelligent gas meter, and transmits it to processor when receiving the external data coming from IC card information Switching Module;
Described FLASH memory is for storing control in information security management module and documentor;
Described second data-interface is for performing the data communication between processor and IC-card intelligent gas meter terminal master controller, and described IC-card intelligent gas meter terminal master controller is used for performing the operation of corresponding table end according to the instruction of processor;
Described processor is used for when receiving the external data coming from the first data-interface, the gas management system of selling of subtend IC-card write external data carries out authentication, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by the second data-interface to IC-card intelligent gas meter terminal master controller according to the affairs comprised in data.
As preferably, further technical scheme is: described processor is used for when receiving the external data coming from the first data-interface, gas management system of selling according to external data subtend IC-card write external data carries out authentication, when authentication result is judged as legal, then encrypted packets is decrypted and completeness check, on the contrary the original state that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that then resets;
After Validation of Data is passed through, pre-service is carried out to the affairs comprised in data, and from IC-card intelligent gas meter terminal master controller, obtain corresponding return message by the second data-interface, IC card information Switching Module is returned to by the first data-interface by after described return message encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to IC-card intelligent gas meter terminal master controller transmit operation instruction; Otherwise then abandon pre-processed results or make caching process.
Further technical scheme is: preset agreement restrictive condition and multiple different cipher key procedures in described FLASH memory, for when information security management module carries out exchanges data from the subsystem selling different classification in gas management system respectively, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of gas management system is sold in certification, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out pre-service to the affairs in data.
Further technical scheme is: also comprise eeprom memory in described information security management module, described eeprom memory also accesses processor, for the associative operation information of storage of processor to IC-card intelligent gas meter terminal master controller, and processor is to the pre-processed results of affairs in external data.
Further technical scheme is: described processor is central processing unit or the single-chip microcomputer that can perform cryptographic algorithm.
Further technical scheme is: the first described data-interface is IC-card interface.
Further technical scheme is: the second described data-interface be at least in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface any one.
Further technical scheme is: described information security management module also comprises encrypting module, described encrypting module access processor, for to information security management module and the multistage encryption and decryption of selling gas management system, IC-card intelligent gas meter terminal master controller exchanges data, and auxiliary processor obtains the data encryption key selling gas management system 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: information security management module carries out authentication by IC card information Switching Module with selling when gas management system carries out exchanges data, ensure that the legitimacy of both communication, IC-card intelligent gas meter terminal master controller could must be communicated with outside by information security management module; Utilize different keys can realize the priority assignation of gas company's differentiated control, and adopt 3DES/AES multi-level encryption mode, make the security of key higher, and by upgrade key during download program cause for gossip in information security management module, avoid the risk that key exposure brings; By built-in data verifying program, ensure that the data of transmission are true, accurate, complete.A kind of IC-card intelligent gas meter information security management modular structure provided by the present invention is simple simultaneously, the compatible IC-card intelligent gas meter terminal master controller with bus interface can be embedded in the IC-card intelligent gas meter of any type, and seamless access civil gas management system, realize the dispersion manufacture of IC-card intelligent gas meter, unified management, range of application is wide, and ensure that the independence of gas company on gas meter, flow meter controls, not by extraneous restriction.
Accompanying drawing explanation
Fig. 1 is for illustration of the information security management modular structure block diagram in the embodiment of the present invention;
Fig. 2 is for illustration of the information security management module application block diagram in the embodiment of the present invention;
Fig. 3 is for illustration of the management system block diagram in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
Shown in figure 1, one embodiment of the present of invention are a kind of IC-card intelligent gas meter information security management modules, described information security management module comprises processor, the first data-interface, the second data-interface and FLASH memory, described processor accesses the first data-interface, the second data-interface and FLASH memory respectively, wherein:
The effect of above-mentioned first data-interface performs IC-card intelligent gas meter to communicate with the unique data of IC card information Switching Module, and transmit it to processor when receiving the external data coming from IC card information Switching Module;
The effect of above-mentioned FLASH memory stores control in information security management module and documentor;
Shown in figure 2, the effect of above-mentioned second data-interface performs the data communication between processor and IC-card intelligent gas meter terminal master controller, and the effect of IC-card intelligent gas meter terminal master controller performs the operation of respective table end according to the instruction of processor;
The effect of above-mentioned processor is when receiving the external data coming from the first data-interface, the gas management system of selling of subtend IC-card write external data carries out authentication, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by the second data-interface to IC-card intelligent gas meter terminal master controller according to the affairs comprised in data.
According to above-mentioned technical scheme, the technical matters that the present embodiment solves is the information security management module by above-mentioned composition structure, at IC-card intelligent gas meter terminal master controller and sell between gas management system and carry out data retransmission, and give certification and encryption and decryption when forwarding, thus coordinate the IC-card intelligent gas meter of gas company to terminal to manage, 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 used for the operating ephemeral data of memory module; VCC and VSS two pins provides working power for information security management module, and this power supply should be continued power and can not be provided by the pin of IC-card intelligent gas meter terminal master controller.
Shown in Fig. 1, in the embodiment that the present invention is more preferably for technical solution problem, the concrete mode of a kind of above-mentioned processor to selling the checking of gas management system identity and affairs execution is provided, namely when processor receives the external data coming from the first data-interface, authentication is carried out to selling gas management system according to external data, when authentication result is judged as legal, then encrypted packets is decrypted and completeness check, on the contrary the original state that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that then resets;
After Validation of Data is passed through, pre-service is carried out to the affairs comprised in data, and from IC-card intelligent gas meter terminal master controller, obtain corresponding return message by the second data-interface, IC card information Switching Module is returned to by the first data-interface by after described return message encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to IC-card intelligent gas meter terminal master controller transmit operation instruction; Such as, otherwise then abandon pre-processed results or make caching process, namely do not receive the confirmation result of IC card information Switching Module within the time preset, do not receive the confirmation of IC card information Switching Module in three minutes, then reset original state; Aforesaid caching process refers to keeps in pre-processed results instruction, when processor is again waken up and receives the confirmation of IC card information Switching Module, then in the same way to IC-card intelligent gas meter terminal master controller transmit operation instruction.
Further comprises the present embodiment peripheral data in above-mentioned technical scheme and authenticate to the whole flow process of affairs performed by processor wherein from selling gas management system identity, by the programming of above-mentioned flow process, further enhance in information security management module the security receiving information and executing.And the above-mentioned processor reset original state repeatedly mentioned, be resetting processor and perform the state before any one operation above-mentioned, it is dormant state that such as processor carried out the state of authentication before receiving external data, be waken up by dormant state when receiving external data, but when being judged as illegal to the authentication of selling gas management system, processor then recovers dormant state, do not carry out any operation, in other step, the situation of processor reset also substantially as hereinbefore, when failing the authentication, operation note can be stored by processor.Above-mentioned mentioned gas management system of selling can be the terminal gas meter, flow meter management system that gas company is set up in actual applications simultaneously.
And it is same, in another embodiment of the invention, for realizing being managed information security management module by different rights, need in above-mentioned FLASH memory preset agreement restrictive condition and multiple different cipher key procedures, it act as when information security management module carries out exchanges data from the subsystem selling different classification in gas management system respectively, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of gas management system is sold in certification, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out pre-service to the affairs in data.
According to another embodiment of the present invention, as mentioned here above, for ease of the buffer memory of processor pre-processed results, in information security management module, also relatively independent eeprom memory can be set, and eeprom memory is also accessed processor, for the associative operation information of storage of processor to IC-card intelligent gas meter terminal master controller, processor is to the pre-processed results of affairs in external data, and the failure record of processor checking, and in FLASH memory, be also provided with other program that can be utilized by processor, namely processor to the associative operation information of IC-card intelligent gas meter terminal master controller once be stored to after in eeprom memory, by unsuppressible-suppression and amendment, to make the running status of information security management module leave complete record.
Shown in figure 2, in IC-card intelligent gas meter information security management module practical application in above-described embodiment, between access IC-card intelligent gas meter terminal master controller and IC card information Switching Module, and the inner structure of IC-card intelligent gas meter and existing IC-card intelligent gas meter are as good as, its master controller is cut-in valve control module, display module and counting module respectively, master controller according to the operational order operation valve control module of information security management module, and shows measuring numerical value accordingly in display module.
The processor that above-described embodiment is mentioned is the core of information security management module, for performing corresponding program and data encryption, in another embodiment of the present invention, above-mentioned processor is directly adopt the central processing unit or single-chip microcomputer that can perform cryptographic algorithm in prior art, such as EFM32 etc.
Based on data communication mode required in above-described embodiment, inventor, with reference to prior art, is IC-card interface for what carry out that the first data-interface of unique communication adopts with IC card information Switching Module in above-described embodiment.
And it is corresponding, the second data-interface that in above-described embodiment, processor and IC-card intelligent gas meter terminal master controller carry out communicating preferably matches with conventional master controller, the serial line interfaces such as such as USART interface, SPI interface or I2C interface, to increase the compatibility on information security management module integration and IC-card intelligent gas meter.
Shown in Fig. 1, for the security of data encryption and solution in the administration module that ensures information security further, preferably independently encrypting module is set therein, and by this independently encrypting module access processor, for to information security management module with sell gas management system, the multistage encryption and decryption of information security management module and IC-card intelligent gas meter terminal master controller exchanges data, and the data encryption key that gas management system is sold in auxiliary processor acquisition carries out authentication, and the cipher mode that in reference prior art, security is higher, Advanced Encryption Standard in preferred employing AES(cryptography, the abbreviation of English Advanced Encrypt ion Standard) or the triple data encryption algorithm of 3DES(, English Tr iple Data Encrypt ion Algorithm) encryption and decryption is carried out to the data of coming and going in information security management module.
Shown in Fig. 3, after the integrated above-mentioned information security management module of IC-card intelligent gas meter that multiple different vendor produces, the outside all communication datas of intelligent gas 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 sell gas management system and information security management module can be considered as terminal, in order to manage IC-card intelligent gas meter, namely sell gas management system compatible various brand with one, the IC-card intelligent gas meter of type is managed concentratedly, effective reduction gas company is to different brands in region, the difficulty of type gas meter, flow meter integration management.
Than that described above, also it should be noted that spoken of in this manual " embodiment ", " another embodiment ", " embodiment " etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple 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 amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (8)
1. an IC-card intelligent gas meter information security management module, it is characterized in that: described information security management module comprises processor, the first data-interface, the second data-interface and FLASH memory, described processor accesses the first data-interface, the second data-interface and FLASH memory respectively, wherein:
Described first data-interface communicates with the unique data of IC card information Switching Module for performing IC-card intelligent gas meter, and transmits it to processor when receiving the external data coming from IC card information Switching Module;
Described FLASH memory is for storing control in information security management module and documentor;
Described second data-interface is for performing the data communication between processor and IC-card intelligent gas meter terminal master controller, and described IC-card intelligent gas meter terminal master controller is used for performing the operation of corresponding table end according to the instruction of processor;
Described processor is used for when receiving the external data coming from the first data-interface, the gas management system of selling of subtend IC-card write external data carries out authentication, judge whether to obtain the encrypted packets in this external data, and send corresponding operational order by the second data-interface to IC-card intelligent gas meter terminal master controller according to the affairs comprised in data;
Described processor is used for when receiving the external data coming from the first data-interface, gas management system of selling according to external data subtend IC-card write external data carries out authentication, when authentication result is judged as legal, then encrypted packets is decrypted and completeness check, on the contrary the original state that then resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the original state that then resets;
After Validation of Data is passed through, pre-service is carried out to the affairs comprised in data, and from IC-card intelligent gas meter terminal master controller, obtain corresponding return message by the second data-interface, IC card information Switching Module is returned to by the first data-interface by after described return message encryption, then pre-processed results approved after effectively being confirmed and stored relevant operation information, and to IC-card intelligent gas meter terminal master controller transmit operation instruction; Otherwise then abandon pre-processed results or make caching process.
2. IC-card intelligent gas meter information security management module according to claim 1, it is characterized in that: in described FLASH memory, preset agreement restrictive condition and multiple different cipher key procedures, for when information security management module carries out exchanges data from the subsystem selling different classification in gas management system respectively, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus the identity of gas management system is sold in certification, and after encrypted packets deciphering and completeness check are passed through, according to the validity of agreement restrictive condition verification msg under current identity, judge whether to carry out pre-service to the affairs in data.
3. IC-card intelligent gas meter information security management module according to claim 1, it is characterized in that: 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 IC-card intelligent gas meter terminal master controller, and processor is to the pre-processed results of affairs in external data.
4. IC-card intelligent gas meter information security management module according to claim 1, is characterized in that: described processor is central processing unit or the single-chip microcomputer that can perform cryptographic algorithm.
5. IC-card intelligent gas meter information security management module according to claim 1, is characterized in that: the first described data-interface is IC-card interface.
6. IC-card intelligent gas meter information security management module according to claim 1, is characterized in that: the second described data-interface be at least in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface any one.
7. IC-card intelligent gas meter information security management module according to claim 1, it is characterized in that: described information security management module also comprises encrypting module, described encrypting module access processor, for to information security management module and the multistage encryption and decryption of selling gas management system, IC-card intelligent gas meter terminal master controller exchanges data, and auxiliary processor obtains the data encryption key selling gas management system carries out authentication.
8. IC-card intelligent gas meter information security management module according to claim 7, is characterized in that: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103136481B (en) * | 2013-01-31 | 2016-05-18 | 成都秦川科技发展有限公司 | Intelligent energy table information security management module |
| CN103295330A (en) * | 2013-05-09 | 2013-09-11 | 成都秦川科技发展有限公司 | IC (integrated circuit) card intelligent heat meter with embedded information security management module |
| CN103325183A (en) * | 2013-05-09 | 2013-09-25 | 成都秦川科技发展有限公司 | IC card intelligent heat meter information security management module |
| CN103259649A (en) * | 2013-05-09 | 2013-08-21 | 成都秦川科技发展有限公司 | Remote control intelligent heat meter provided with information security management module in embedded mode |
| CN103327086A (en) * | 2013-06-09 | 2013-09-25 | 博彦网鼎信息技术有限公司 | Fuel gas sale transaction method and gas sale client |
| CN108711228B (en) * | 2018-03-31 | 2021-03-02 | 上海英辰信息技术有限公司 | Network payment data communication processing method, device and system of IC card gas meter |
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Address after: 610000 Longquanyi, Sichuan Province Industrial Park licensing Patentee after: Chengdu Qinchuan networking Polytron Technologies Inc Address before: 610000 Longquanyi, Sichuan Province Industrial Park licensing Patentee before: Chengdu Taichuan Technology Development Co., Ltd. |