CN103152166A - Information security management module of remote-control intelligent water meters - Google Patents
Information security management module of remote-control intelligent water meters Download PDFInfo
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- CN103152166A CN103152166A CN2013100885782A CN201310088578A CN103152166A CN 103152166 A CN103152166 A CN 103152166A CN 2013100885782 A CN2013100885782 A CN 2013100885782A CN 201310088578 A CN201310088578 A CN 201310088578A CN 103152166 A CN103152166 A CN 103152166A
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Abstract
The invention discloses an information security management module of remote-control intelligent water meters, belonging to an auxiliary management device of the remote-control intelligent water meters. The information security management module comprises a processor, a first data interface, a second data interface and a FLASH storage unit, wherein the processor is respectively connected into the first data interface, the second data interface and the FLASH storage unit; identity authentication is carried out on the information security management module when the information security management module carries out data exchange with a water selling management system by a data transmission module, so that the legality of communication between the information security management module and the water selling management system is ensured, and a master controller of remote-control intelligent water meter terminals can communicate with outside only by the information security management module; and simultaneously, the information security management module is simple in structure, can be embedded into various remote-control intelligent water meters, is compatible to the master controller at the meter end by multiple communication transmission technologies and a bus interface, is accessed into a water supplying management system in a seamless manner, realizes dispersed manufacture and unified management of the remote-control intelligent water meters, and is wide in application range.
Description
Technical field
The present invention relates to a remote-control intelligent water meter management aid, in particular, the present invention relates generally to a kind of remote-control intelligent water meter information security management module.
Background technology
At present, the brand of the remote-control intelligent water meter on market is not a lot, the technical development of remote-control intelligent water meter is in the primary stage, in wire transmission technology, Radio Transmission Technology, sell the security guarantee of water management system etc. aspect is that all right ripe, imperfection, and remote-control intelligent water meter needs real-time, safe and effective and main website Running-water Company sells water management system and carries out exchanges data on the other hand, so remote-control intelligent water meter and sell water management system and all have risk out of control.
The wire communication mode, the main modes such as Optical Fiber Transmission, data wire transmission and power line transmission that adopt, these transmission meanss all need the cable of complicated layout, these wirings difficult that can become in special geographical environment, when cable go wrong or by people's reconfiguration after, the fail safe of transfer of data can not be guaranteed.Communication, main RF module, Zigbee module, WiFi module and the bluetooth modules etc. of adopting transmit, these wireless devices easily are subject to environmental interference in transmitting procedure, cause the exchanges data mistake, when artificial destruction occurring, data may be intercepted and captured, be revised, and the fail safe of transfer of data can not be guaranteed.The water management system of selling of Running-water Company still is in the junior stage in addition, and comprise a plurality of subsystems, a plurality of subsystems all need to carry out exchanges data with main system, these subsystems tend to occur data transmission fault, cause remote-control intelligent water meter and the fail safe of selling the transfer of data of water management system can not be guaranteed.
Can not be guaranteed in the situation that above-mentioned data transmission security occurs, when there is no active data checking means in remote-control intelligent water meter terminal master controller, the identity of external data transmitting terminal can not get examining, data can not get effective verification, cause remote-control intelligent water meter and main website to sell water management system out of control, therefore be necessary to install additional a kind of management aid of information security management in remote-control intelligent water meter, realize information security management.
Summary of the invention
One of purpose of the present invention is for above-mentioned deficiency, a kind of remote-control intelligent water meter information security management module is provided, the problems such as the information security management that solves various types of remote-control intelligent water meters in prior art and management system thereof with expectation can not be guaranteed, thus the risk of information security management in Running-water Company's operation eliminated.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of remote-control intelligent water 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 respectively the first data-interface, the second data-interface and FLASH memory, wherein:
Described the first data-interface is used for carrying out remote-control intelligent water meter communicates by letter with the unique data of data transmission module, and transmits it to processor when receiving the external data that comes from data transmission module; Described data transmission module directly receives and comes from long-range external data of selling water management system;
Described FLASH memory is used for control and the documentor of storage information security management module;
Described the second data-interface is used for carrying out the data communication between processor and remote-control intelligent water meter terminal master controller, and described remote-control intelligent water meter terminal master controller is used for carrying out the operation of corresponding table end according to the instruction of processor;
Described processor is used for when receiving the external data that comes from the first data-interface, the water management system of selling that sends external data 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 remote-control intelligent water meter terminal master controller according to the affairs that comprise in data.
As preferably, further technical scheme is: described processor is used for when receiving the external data that comes from the first data-interface, carry out authentication according to external data to selling water management system, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the initial condition that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the initial condition that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out preliminary treatment, and obtain corresponding return information by the second data-interface from remote-control intelligent water meter terminal master controller, after being encrypted, described return information returns to data transmission module by the first data-interface, the preliminary treatment result approved after effectively being confirmed and stored relevant operation information, and to remote-control intelligent water meter terminal master controller transmit operation instruction; Otherwise abandon the preliminary treatment result or make caching process.
further technical scheme is: preset protocols limit condition and a plurality of different cipher key procedures in described FLASH memory, be used for when the information security management module is carried out exchanges data from the subsystem of selling the different classifications of water management system respectively, processor is compared according to a plurality of cipher key procedures that preset in the encryption key of external data and FLASH memory, thereby the identity that water management system is sold in authentication, and after encrypted packets deciphering and completeness check pass through, according to the validity of protocols limit condition Verification data under current identity, judge whether the affairs in data are carried out preliminary treatment,
Described the first data-interface also accesses the IC-card information exchange module, be used for transmitting it to processor when receiving the external data that comes from the 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: also comprise eeprom memory in described information security management module, described eeprom memory also accesses processor, be used for storage of processor to the associative operation information of remote-control intelligent water meter terminal master controller, and processor is to the preliminary treatment result of affairs in external data.
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: described the first 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, infrared module interface or Optical Fiber Transmission interface, data wire coffret, power line coffret; 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: described the second 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, be used for information security management module and the multistage encryption and decryption of selling water management system, remote-control intelligent water meter terminal master controller exchanges data, and auxiliary processor obtains the data encryption key of selling water management system and carries out authentication.
Further technical scheme is: described encrypting module is by the Advanced Encryption Standard in the AES(cryptography, the abbreviation of English Advanced Encryption Standard) or the triple DEAs of 3DES(, mode English Triple Data Encryption Algorithm) is carried out data encrypting and deciphering.
Compared with prior art, one of beneficial effect of the present invention is: the information security management module is being carried out authentication by data transmission module with selling when water management system carries out exchanges data, guaranteed the legitimacy of both communication, remote-control intelligent water meter terminal master controller must could communicate with the outside by the information security management module; Utilize different keys can realize the authority setting of Running-water Company's differentiated control, and adopt 3DES/AES multi-level encryption mode, make key safety higher, and upgrading key can download cause for gossip by the program on the information security management module time, the risk of avoiding key exposure to bring; By built-in data verifying program, guarantee that the data of transmission are true, accurate, complete.A kind of remote-control intelligent water meter information security management modular structure provided by the present invention is simple simultaneously, can embed in various types of remote-control intelligent water meters, by multiple communication transmission technology and the compatible remote-control intelligent water meter terminal of bus interface master controller, and seamless access water supply management system, realize that remote-control intelligent water meter disperses to make, unified management, range of application is wide, and guarantee the independence of Running-water Company on the terminal water meter is controlled, and be not subjected to extraneous restriction.
Description of drawings
Fig. 1 is for being used for the information security management modular structure block diagram of the explanation embodiment of the present invention;
Fig. 2 is for being used for the information security management module application block diagram of the explanation embodiment of the present invention;
Fig. 3 is for being used for the management system block diagram of the explanation embodiment of the present invention.
Embodiment
The present invention is further elaborated below in conjunction with accompanying drawing.
With reference to shown in Figure 1, one embodiment of the present of invention are a kind of remote-control intelligent water 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 respectively the first data-interface, the second data-interface and FLASH memory, wherein:
The effect of above-mentioned the first data-interface is to carry out remote-control intelligent water meter to communicate by letter with the unique data of data transmission module, and transmits it to processor when receiving the external data that comes from data transmission module; Described data transmission module directly receives and comes from long-range external data of selling water management system;
The effect of above-mentioned FLASH memory is control and the documentor in storage information security management module;
With reference to shown in Figure 2, the effect of above-mentioned the second data-interface is the data communication of carrying out between processor and remote-control intelligent water meter terminal master controller, and the effect of remote-control intelligent water meter 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, the water management system of selling that sends external data is carried out authentication, judge whether to obtain encrypted packets in this external data, and send corresponding operational order by the second data-interface to remote-control intelligent water meter terminal master controller according to the affairs that comprise in data.
According to above-mentioned technical scheme as can be known, the technical problem that the present embodiment solves is the information security management module by above-mentioned composition structure, at remote-control intelligent water meter terminal master controller and sell and carry out data retransmission between water management system, and authenticated and encryption and decryption when forwarding, thereby coordinate Running-water Company that the intellectual water meter of terminal is managed, to eliminate the risk of information security management in Running-water Company's operation.
And the Oscillator module shown in Fig. 1 and pin XIN, XOUT provide clock signal to the information security management module; The RAM memory is used for the operating ephemeral data of memory module; VCC and VSS two pins provide working power for the information security management module, and this power supply should be continued power and can not being provided by the pin of remote-control intelligent water meter terminal master controller.
Again with reference to shown in Figure 1, be used in the present invention the embodiment that the technical solution problem is more preferably, the concrete mode that provides a kind of above-mentioned processor to carry out selling water management system authentication and affairs, namely when processor receives the external data that comes from the first data-interface, carry out authentication according to external data to selling water management system, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the initial condition that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the initial condition that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out preliminary treatment, and obtain corresponding return information by the second data-interface from remote-control intelligent water meter terminal master controller, after being encrypted, described return information returns to data transmission module by the first data-interface, the preliminary treatment result approved after effectively being confirmed and stored relevant operation information, and to remote-control intelligent water meter terminal master controller transmit operation instruction; Otherwise abandon the preliminary treatment result or make caching process, namely do not receive the confirmation result of data transmission module within the predefined time, for example do not receive the confirmation information of data transmission module in three minutes, initial condition resets; Aforesaid caching process refers to the preliminary treatment object command is kept in, when processor is waken up and receives the confirmation information of data transmission module again, in the same way to remote-control intelligent water meter terminal master controller transmit operation instruction.
The present embodiment peripheral data have also been comprised in above-mentioned technical scheme from selling the affairs of water management system authentication to the external data by the performed whole flow process of processor, by the programming of above-mentioned flow process, further strengthened in the information security management module receiving the fail safe of information and executing.And the above-mentioned processor reset initial condition of repeatedly mentioning, be the state of resetting processor before carrying out above-mentioned any one operation, for example to carry out the state of authentication before receiving external data be resting state to processor, when receiving that external data is waken up by resting state, but the authentication of selling water management system is judged as when illegal, processor recovers resting 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.
and it is same, in another embodiment of the present invention, for realizing by different rights, the information security management module being managed, need to preset protocols limit condition and a plurality of different cipher key procedures in above-mentioned FLASH memory, its act as the information security management module respectively from sell water management system in the subsystem of different classifications when carrying out exchanges data, processor is compared according to a plurality of cipher key procedures that preset in the encryption key of external data and FLASH memory, thereby the identity that water management system is sold in authentication, and after encrypted packets deciphering and completeness check pass through, according to the validity of protocols limit condition Verification data under current identity, judge whether the affairs in data are carried out preliminary treatment,
With reference to shown in Figure 2, for satisfying the inner structure of how far controlling greatly at present water meter, above-mentioned the first data-interface also accesses the IC-card information exchange module, be used for transmitting it to processor when receiving the external data that comes from the 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, mention as above-mentioned, buffer memory for ease of processor preliminary treatment result, also relatively independent eeprom memory can be set in the information security management module, and eeprom memory is also accessed processor, be used for storage of processor to the associative operation information of remote-control intelligent water meter terminal master controller, the preliminary treatment result of processor to affairs in external data, and the failure record of processor checking, and also be provided with other program that to be utilized by processor in the FLASH memory, after in a single day be processor be stored in eeprom memory to the associative operation information of remote-control intelligent water meter terminal master controller, with unsuppressible-suppression and modification, in order to make the running status of information security management module stay complete record.
with reference to shown in Figure 2, remote-control intelligent water meter information security management module in above-described embodiment in actual applications, between access remote-control intelligent water meter terminal master controller and data transmission module, and the internal structure of water meter and existing remote-control intelligent water meter are as good as, its master controller is cut-in valve control module respectively, the flow measurement module, display module and memory module, master controller is according to the operational order control valve control module of information security management module, and corresponding discharge numerical value and relevant information are shown in display module, and according to aforesaid principle, this remote-control intelligent water meter information security management module is integrated being applied in conventional remote-control intelligent water meter directly, directly obtain corresponding external data from the long-range water management system of selling by data transmission module in wireless or wired mode, thereby carry out above-mentioned operation, and in addition, the improvement application of going back adaptability carries out the metering device of telemanagement by electronic information in other.
The processor that above-described embodiment is mentioned is the core of information security management module, 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.
Based on data communication mode required in above-described embodiment, the inventor is with reference to prior art, selected the transmission technology of part in the prior art to realize communicating by letter between processor and interface, but wherein data transmission module Adoption Network communication module or bus communication module, and corresponding with aforesaid data transmission module, but be used in above-described embodiment carrying out unique the first data-interface Adoption Network communication interface or bus interface of communicating by letter with data transmission module.
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, infrared module interface and bluetooth module interface, and wired network interface can adopt one or more in the middle of Optical Fiber Transmission interface, data wire coffret and power line coffret; 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 remote-control intelligent water meter terminal master controller communicate preferably is complementary with conventional master controller, serial line interfaces such as USART interface, SPI interface or I2C interface is to increase the compatibility on information security management module integration and intellectual water meter.
again with reference to shown in Figure 1, fail safe for data encryption and solution in the administration module that further ensures information security, be preferably in its inside independently encrypting module is set, and with this encrypting module access processor independently, be used for the information security management module and sell water management system, the multistage encryption and decryption of remote-control intelligent water meter terminal master controller exchanges data, and auxiliary processor obtains the data encryption key of selling water management system and carries out authentication, and with reference to the higher cipher mode of fail safe in prior art, the preferred Advanced Encryption Standard that adopts in the AES(cryptography, the abbreviation of English Advanced Encryption Standard) or the triple DEAs of 3DES(, English Triple Data Encryption Algorithm) data of coming and going in the information security management module are carried out encryption and decryption.
again with reference to shown in Figure 3, after the integrated above-mentioned information security management module of remote-control intelligent water meter that a plurality of different vendors produce, outside all communication datas of intellectual water 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 water management system can be considered as terminal with the information security management module, in order to manage intellectual water meter, namely sell water management system compatible various brands with one, the intellectual water meter of type is managed concentratedly, effectively reduce Running-water Company to different brands in the zone, the difficulty of the intellectual water meter integration management of type.As shown in Figure 3, remote-control intelligent water meter with the communication path of selling water management system is: the table end passes through the upper strata multistage communication device, as collector, and repeater, concentrators etc. directly arrive and sell water management system.By above-mentioned path, table is held directly and is sold water management system and realize transfer of data.
Except above-mentioned, also need to prove " embodiment ", " another embodiment " that speak of in this manual, " embodiment " etc., refer to specific features, structure or the characteristics described in conjunction with this embodiment and be included at least one embodiment that the application's generality describes.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in specification.Furthermore, when describing a specific features, structure or characteristics in conjunction with arbitrary embodiment, what advocate is to realize that in conjunction with other embodiment this feature, structure or characteristics also fall within the scope of the invention.
Although invention has been described with reference to a plurality of explanatory embodiment of the present invention here, but, should be appreciated that, those skilled in the art can design a lot of other modification and execution modes, and these are revised and within execution mode 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 building block and/or the layout of subject combination 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 (10)
1. remote-control intelligent water 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 respectively the first data-interface, the second data-interface and FLASH memory, wherein:
Described the first data-interface is used for carrying out remote-control intelligent water meter communicates by letter with the unique data of data transmission module, and transmits it to processor when receiving the external data that comes from data transmission module; Described data transmission module directly receives and comes from long-range external data of selling water management system;
Described FLASH memory is used for control and the documentor of storage information security management module;
Described the second data-interface is used for carrying out the data communication between processor and remote-control intelligent water meter terminal master controller, and described remote-control intelligent water meter terminal master controller is used for carrying out the operation of corresponding table end according to the instruction of processor;
Described processor is used for when receiving the external data that comes from the first data-interface, the water management system of selling that sends external data 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 remote-control intelligent water meter terminal master controller according to the affairs that comprise in data.
2. remote-control intelligent water meter information security management module according to claim 1, it is characterized in that: described processor is used for when receiving the external data that comes from the first data-interface, carry out authentication according to external data to selling water management system, when authentication result is judged as when legal, encrypted packets is decrypted and completeness check, on the contrary the initial condition that resets;
After data integrity verifying passes through, the validity of data is verified, on the contrary the initial condition that resets;
After Validation of Data is passed through, the affairs that comprise in data are carried out preliminary treatment, and obtain corresponding return information by the second data-interface from remote-control intelligent water meter terminal master controller, after being encrypted, described return information returns to data transmission module by the first data-interface, the preliminary treatment result approved after effectively being confirmed and stored relevant operation information, and to remote-control intelligent water meter terminal master controller transmit operation instruction; Otherwise abandon the preliminary treatment result or make caching process.
3. remote-control intelligent water meter information security management module according to claim 1 and 2, it is characterized in that: preset protocols limit condition and a plurality of different cipher key procedures in described FLASH memory, be used for when the information security management module is carried out exchanges data from the subsystem of selling the different classifications of water management system respectively, processor is compared according to a plurality of cipher key procedures that preset in the encryption key of external data and FLASH memory, thereby the identity that water management system is sold in authentication, and after encrypted packets deciphering and completeness check pass through, according to the validity of protocols limit condition Verification data under current identity, judge whether the affairs in data are carried out preliminary treatment,
Described the first data-interface also accesses the IC-card information exchange module, be used for transmitting it to processor when receiving the external data that comes from the 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.
4. remote-control intelligent water meter information security management module according to claim 1 and 2, it is characterized in that: also comprise eeprom memory in described information security management module, described eeprom memory also accesses processor, be used for storage of processor to the associative operation information of remote-control intelligent water meter terminal master controller, and processor is to the preliminary treatment result of affairs in external data.
5. remote-control intelligent water meter information security management module according to claim 1 and 2 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.
6. remote-control intelligent water meter information security management module according to claim 1 and 2, it is characterized in that: described the first data-interface is network communication interface or bus interface.
7. remote-control intelligent water meter information security management module according to claim 6 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, infrared module interface or Optical Fiber Transmission interface, data wire coffret, power line coffret; Described bus interface is at least any one in the middle of Mbus bus interface, RS485 bus interface, CAN bus interface.
8. remote-control intelligent water meter information security management module according to claim 1 and 2 is characterized in that: described the second data-interface is at least any one in the middle of USART serial line interface, SPI serial line interface or I2C serial line interface.
9. remote-control intelligent water 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, be used for information security management module and the multistage encryption and decryption of selling water management system, remote-control intelligent water meter terminal master controller exchanges data, and auxiliary processor obtains the data encryption key of selling water management system and carries out authentication.
10. remote-control intelligent water meter information security management module according to claim 9, it is characterized in that: described encrypting module carries out data encrypting and deciphering by the mode of AES or 3DES.
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| CN107896216B (en) * | 2017-11-24 | 2019-11-26 | 广东电网有限责任公司东莞供电局 | A kind of key management, data encryption and the identity identifying method of electric power measuring instrument |
| CN111063183A (en) * | 2019-12-25 | 2020-04-24 | 宁波三星医疗电气股份有限公司 | Bluetooth-based electric energy meter statistical method and device and storage medium |
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| CN103152166B (en) | 2015-08-26 |
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