CN104537768A - Information security management module of IC (integrated circuit) card intelligent heat energy meter - Google Patents
Information security management module of IC (integrated circuit) card intelligent heat energy meter Download PDFInfo
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Abstract
The invention discloses an information security management module of an IC (integrated circuit) card intelligent heat energy meter and belongs to a management auxiliary device of the IC card intelligent heat energy meter. The information security management module comprises a processor, a first data interface, a second data interface and a FLASH memory, wherein the processor is respectively connected into the first data interface, the second data interface and the FLASH memory, and the information security management module is used for performing identity authentication when performing data exchange with a heat energy selling and management system through an IC card information exchange module, thereby ensuring the legality of communication between the information security management module and the heat energy selling and management system; different keys are used for realizing staged management of a heat energy company, a 3DES/AES (triple data encryption standard/advanced encryption standard) multi-stage encryption way is further adopted for realizing relatively high security of the keys, and the keys are upgraded in a real-time manner through a program downloading port on the information security management module to avoid the risk caused by leakage of the keys; and meanwhile, the module disclosed by the invention has a simple structure, can ensure the independency of the energy company in control of the heat energy meter, and is not restricted by the outside.
Description
The present invention is the divisional application that applicant proposes according to another part patent of invention of its earlier application, the application number of this application for a patent for invention is: 201310088355.6, the applying date is: on March 19th, 2013, denomination of invention is: information safety management module for intelligent IC card water meter
Technical field
The present invention relates to a kind of IC-card intellectual heat meter management aid, in particular, the present invention relates generally to a kind of IC card intelligent heat meter information security management module.
Background technology
In recent years, along with the development of IC-card intellectual heat meter correlation technique, brand and the kind of IC-card intellectual heat meter constantly increase, and Thermoenergy Corp. conveniently uses and manages, start to adopt IC-card intellectual heat meter, and build the management system of oneself on this basis.Because same Thermoenergy Corp. may adopt the IC-card intellectual heat meter of multiple brand, each manufacturer knows separately the management method of IC-card intellectual heat meter, different brands IC-card intellectual heat meter uses different management systems, operating equipment, transmission medium, management password, mode of operation, each Thermoenergy Corp. is caused not have the control of IC-card intellectual heat meter technically, IC-card intellectual heat meter can depart from the management system of Thermoenergy Corp., information is arbitrarily modified, using state is controlled, certain user specific or multiple user need not be paid and just can use heat energy, Thermoenergy Corp. also exists IC-card intellectual heat meter risk out of control.
IC-card intellectual heat meter producer designed, designed and the respective control and management technology of exploitation are with administrating system, each manufacturer is in safety technique, level in Data Interchange Technology is also uneven, cause portioned product in the security of information management, there is risk in the reliability of message exchange, encryption, decryption technology application is 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 intellectual heat meter use, the management system departing from Thermoenergy Corp. sells heat energy arbitrarily, Thermoenergy Corp. also exists IC-card intellectual heat meter and management system risk simultaneously out of control.Therefore be necessary for the problems referred to above, in IC-card intellectual heat 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 heat meter information security management module is provided, with problems such as the information security management of expecting to solve various IC-card intellectual heat meter of the prior art and management system thereof can not be guaranteed, eliminate the risk of information security management in Thermoenergy Corp.'s operation.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
A kind of IC card intelligent heat 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 intellectual heat 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 smart heat-energy meter terminal master controller, and described IC-card smart heat-energy 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 heat energy of subtend IC-card write external data is sold management system and is carried 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 smart heat-energy 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, sell management system according to the heat energy of external data subtend IC-card write external data and carry 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 smart heat-energy 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 smart heat-energy 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 sells different classification in management system respectively subsystem from heat energy carries out exchanges data, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus certification heat energy sells the identity of management system, 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 smart heat-energy 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 selling the multistage encryption and decryption of management system, IC-card smart heat-energy meter terminal master controller exchanges data to information security management module and heat energy, and the data encryption key that auxiliary processor acquisition heat energy sells management system carries out authentication.
Further technical scheme is: described encrypting module is by the AES (Advanced Encryption Standard in cryptography, the abbreviation of English Advanced Encryption Standard) or the mode of 3DES (triple data encryption algorithm, English Triple Data Encryption Algorithm) carry out data encrypting and deciphering.
Compared with prior art, one of beneficial effect of the present invention is: information security management module is sold when management system carries out exchanges data by IC card information Switching Module and heat energy and carried out authentication, ensure that the legitimacy of both communication, IC-card smart heat-energy meter terminal master controller could must be communicated with outside by information security management module; Utilize different keys can realize the priority assignation of Thermoenergy Corp.'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 heat meter information security management module structure provided by the present invention is simple simultaneously, the compatible IC-card intellectual heat meter terminal master controller with bus interface can be embedded in the IC-card intellectual heat meter of any type, and seamless access heat supplying managing system, realize the dispersion manufacture of IC-card intellectual heat meter, unified management, range of application is wide, and ensure that the independence of Thermoenergy Corp. on heat energy 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 heat meter information security management module, 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 intellectual heat 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 smart heat-energy meter terminal master controller, and the effect of IC-card smart heat-energy 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 heat energy of subtend IC-card write external data is sold management system and is carried 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 smart heat-energy 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, sell between management system at IC-card smart heat-energy meter terminal master controller and heat energy and carry out data retransmission, and give certification and encryption and decryption when forwarding, thus coordinate the IC-card intellectual heat meter of Thermoenergy Corp. to terminal to manage, to eliminate the risk of information security management in Thermoenergy Corp.'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 smart heat-energy meter terminal master controller.
Shown in Fig. 1, in the embodiment that the present invention is more preferably for technical solution problem, a kind of above-mentioned processor is provided to sell the concrete mode of management system authentication and affairs execution to heat energy, namely when processor receives the external data coming from the first data-interface, according to external data, management system is sold to heat energy and carry 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 smart heat-energy 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 smart heat-energy 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 smart heat-energy meter terminal master controller transmit operation instruction.
Further comprises the present embodiment peripheral data in above-mentioned technical scheme and sell management system authentication to the whole flow process of affairs wherein performed by processor from heat energy, 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 that heat energy sells 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 heat energy sells the terminal heat energy meter total management system that management system can be Thermoenergy Corp.'s establishment 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 sells different classification in management system respectively subsystem from heat energy carries out exchanges data, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus certification heat energy sells the identity of management system, 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 smart heat-energy 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 smart heat-energy 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 Fig. 2, in the practical application of the IC card intelligent heat meter information security management module in above-described embodiment, between access IC-card smart heat-energy meter terminal master controller and various IC card information Switching Module.IC-card intellectual heat meter itself is containing several functions module, as flow metering module, memory module, display module, flow valve module, surplus reminding module, medium temperature measurement module, these modules are by being connected with IC-card smart heat-energy meter terminal master controller, complete the correlation function of IC-card intellectual heat meter, as flow metering module is measured the heat energy that user uses, the display that display module will enter by heat and surplus heat and relevant information, memory module stores relevant data message, flow valve module in charge switch valve operates, medium temperature measurement module is responsible for the temperature value measuring constrained input medium.。
All exchanges data that IC-card intellectual heat meter and external heat sell management system all have to pass through information security management module and could realize, and ensure that IC-card intellectual heat meter is in controlled circumstances all the time with this, ensure the security of data transmission.
And according to aforesaid principle, this IC card intelligent heat meter information security management module accessible site is applied in current IC-card intelligent gas meter, IC-card intelligent electric meter, IC-card intellectual water meter; And in addition, the improvement application going back adaptability carries out transmitting the measuring apparatus of the band IC-card of data by electronic information in other.
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 smart heat-energy 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 of information security management module integration on IC-card intellectual heat meter.
Shown in Fig. 1, for the security of data encryption and deciphering 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 selling management system to information security management module and heat energy, the multistage encryption and decryption of information security management module and IC-card smart heat-energy meter terminal master controller exchanges data, and the data encryption key that auxiliary processor acquisition heat energy sells management system carries out authentication, and the cipher mode that in reference prior art, security is higher, the preferred employing AES (Advanced Encryption Standard in cryptography, the abbreviation of English Advanced EncryptionStandard) or 3DES (triple data encryption algorithm, English Triple Data EncryptionAlgorithm) encryption and decryption is carried out to the data of coming and going in information security management module.
Shown in figure 3, after the integrated above-mentioned information security management module of IC-card intellectual heat meter that multiple different vendor produces, the outside all communication datas of intellectual heat 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 heat energy is sold management system and information security management module can be considered as terminal, in order to manage IC-card intellectual heat meter, namely the compatible various brand of management system is sold with a heat energy, the IC-card intellectual heat meter of type is managed concentratedly, effective reduction Thermoenergy Corp. is to different brands in region, the difficulty of type heat energy 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 (9)
1. an IC card intelligent heat 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 intellectual heat 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 smart heat-energy meter terminal master controller, and described IC-card smart heat-energy 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 heat energy of subtend IC-card write external data is sold management system and is carried 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 smart heat-energy meter terminal master controller according to the affairs comprised in data.
2. IC card intelligent heat meter information security management module according to claim 1, it is characterized in that: described processor is used for when receiving the external data coming from the first data-interface, sell management system according to the heat energy of external data subtend IC-card write external data and carry 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 smart heat-energy 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 smart heat-energy meter terminal master controller transmit operation instruction; Otherwise then abandon pre-processed results or make caching process.
3. IC card intelligent heat meter information security management module according to claim 1 and 2, 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 sells different classification in management system respectively subsystem from heat energy carries out exchanges data, processor according to the encryption key of external data compared with multiple cipher key procedures preset in FLASH memory, thus certification heat energy sells the identity of management system, 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.
4. IC card intelligent heat meter information security management module according to claim 1 and 2, 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 smart heat-energy meter terminal master controller, and processor is to the pre-processed results of affairs in external data.
5. IC card intelligent heat meter information security management module according to claim 1 and 2, is characterized in that: described processor is central processing unit or the single-chip microcomputer that can perform cryptographic algorithm.
6. IC card intelligent heat meter information security management module according to claim 1 and 2, is characterized in that: the first described data-interface is IC-card interface.
7. IC card intelligent heat meter information security management module according to claim 1 and 2, 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.
8. IC card intelligent heat meter information security management module according to claim 1 and 2, it is characterized in that: described information security management module also comprises encrypting module, described encrypting module access processor, for selling the multistage encryption and decryption of management system, IC-card smart heat-energy meter terminal master controller exchanges data to information security management module and heat energy, and the data encryption key that auxiliary processor acquisition heat energy sells management system carries out authentication.
9. IC card intelligent heat meter 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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| Application Number | Priority Date | Filing Date | Title |
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| CN201510032837.9A CN104537768B (en) | 2013-03-19 | 2013-03-19 | IC card intelligent heat meter information security management module |
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| CN201310088355.6A CN103198573B (en) | 2013-03-19 | 2013-03-19 | Information safety management module for intelligent IC card water meter |
| CN201510032837.9A CN104537768B (en) | 2013-03-19 | 2013-03-19 | IC card intelligent heat meter information security management module |
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| CN115171279A (en) * | 2022-07-07 | 2022-10-11 | 杭州正华电子科技有限公司 | Remote electricity meter card payment management method, system and readable medium |
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