CN103455358A - Upgrading method of electric energy meter program - Google Patents
Upgrading method of electric energy meter program Download PDFInfo
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- CN103455358A CN103455358A CN2013104292540A CN201310429254A CN103455358A CN 103455358 A CN103455358 A CN 103455358A CN 2013104292540 A CN2013104292540 A CN 2013104292540A CN 201310429254 A CN201310429254 A CN 201310429254A CN 103455358 A CN103455358 A CN 103455358A
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Abstract
The invention aims to an upgrading method of electric energy meter program, aiming to reduce possibility of upgraded programs being copied and prevent illegal program from being downloaded to a target meter. The technical scheme includes a, editing and generating an HEX document to be upgraded into executable upgrading device, deleting Bootloader code during editing to make upgrading codes into incomplete upgrading codes and encrypting the incomplete upgrading codes; b, running the upgrading device on computers to enable the upgrading device to log in the target meter and to verify effectiveness of the target meter, if pass, then go to Step C, if not, then stop upgrading; c, utilizing the upgrading device to download the incomplete upgrading codes into the target meter; d, utilizing the target meter to run the received incomplete upgrading codes to check whether Bootloader codes exist in the meter or not and verify the Bootloader codes. If the result is yes, then the upgradation is succeeded, if the result is no, then the upgradation is failed.
Description
Technical field
The present invention relates to a kind of electric energy meter programme upgrade method, mainly be applicable to user or keeper to the program upgrade with Bootloader function electric energy meter.
Background technology
Along with the raising of people's living standard, the use cumulative year after year of electric energy, electric energy meter is constantly transformed, and function is constantly perfect.For making electric energy meter constantly meet the demand that the client uses and Utilities Electric Co. manages, do not increase again customer using cost simultaneously, to the electric energy meter program upgrade, it is optimal selection, yet existing program upgrade process is too oversimplified, directly by the burned electric energy meter chip of source code of upgrading, its shortcoming is: 1, the source code of upgrading is easy to be replicated, and causes program development side to suffer a loss; 2, can't complete the checking to upgrade form meter details, cause the illegal update program to download in the object table meter; 3, ROMPaq does not have multiple secret to process, and is easy to be cracked.4, need the mailing fever writes, especially inconvenient for the exported product upgrading.
Summary of the invention
The technical problem to be solved in the present invention is: the problem for above-mentioned existence provides a kind of safe electric energy meter programme upgrade method, and the possibility be replicated to reduce ROMPaq avoids illegal program to download to the object table meter simultaneously.
The technical solution adopted in the present invention is: the electric energy meter programme upgrade method is characterized in that step is as follows:
A, on computers will need the upgrading the HEX Document Editing generate executable upgrading device, this upgrading device includes upgrade code; During editor, by the Bootloader code deletion, the upgrade code in the device that makes to upgrade is incomplete upgrade code, and it is encrypted;
B, move described upgrading device on computers, make its login object table meter and the validity of object table meter is verified, if, by checking, go to step c, if, by checking, stop upgrading;
C, upgrading device download to described incomplete upgrade code in object table in the communication modes of encrypting;
Whether the incomplete upgrade code that d, the operation of object table meter receive, exist Bootloader code verification correct in the look-up table meter, if correct, upgrade successfully, if incorrect,, for illegally cracking and write, upgrades unsuccessfully.
In step b, the checking content comprises target program version number, target program check code, object table order number, object table firmware code and object table hardware encoding.
Cryptographic algorithm in step a is AES128.
In step a, set the term of validity of upgrading device during editor, expired this upgrading device afterwards can't move.
In step b, the upgrading device is logined object table in the mode of username and password.
Described computing machine is by serial ports and the communication of object table meter, and its baud rate is 9600bps.
The invention has the beneficial effects as follows: 1, the present invention will need HEX file (AKU) editor of upgrading to generate executable upgrading device on computers, then moving this upgrading device makes its login object table meter and the validity of object table meter is verified, in the communication modes of encrypting, incomplete upgrade code is downloaded in object table and completes upgrading after being verified, compared to prior art, upgrade code of the present invention is compiled the upgrading device, and encrypt by AES128, prevented possible cracking, the duplicator can't directly obtain upgrade code (source code is controlled by exploitation side intra-company), reduced the puzzlement be replicated, thereby strong protection the rights and interests of program development side.2, carry out a series of specific authentication after upgrading device login object table meter, can identify the object table version, only, to limiting the version product up-gradation, can effectively avoid the illegal update program to download in the object table meter.3, the upgrading device, in mode and the object table communication of encryption, has further improved the security of communication.4, no longer need to post fever writes, by internet, the upgrading device software generated is sent to the client and get final product, saved the stand-by period.
Embodiment
Upgrade method of the present invention is applicable to itself just burn the situation that application program and Bootloader code are arranged in electric energy meter MCU chip, and this Bootloader code can't be published, that is to say that its other party can not obtain this part Bootloader code, company only can be burnt to the Bootloader code in electric energy meter MCU chip.Wherein application program is the day-to-day operation task, and the Bootloader code is operation when upgrading only, and afterwards during upgrading can not change.
The concrete steps of the present embodiment are as follows:
A, will need on computers HEX file (AKU) editor of upgrading to generate executable Bootloader upgrading device, this upgrading device includes upgrade code, and this upgrade code is by more the application program of highest version (with respect to the application program be burnt in electric energy meter MCU chip) and Bootloader code form.In this example, the method that generates Bootloader upgrading device is: the Bootloader editor software is opened the HEX file, HEX file and required binary sequence aggregation of data coding, according to binary mode, generates executable file, i.e. Bootloader upgrading device; The executable file of described Bootloader editor software for moving on computers, be mainly used in HEX file (AKU) editor of needs upgrading is generated to executable Bootloader upgrading device software, it can specify aforementioned Bootloader code address section simultaneously, set the content and the corresponding value that need checking, set the term of validity of the upgrading device generated, the username and password used in the time of can also setting upgrading.
Specify the address field in the HEX file of aforementioned Bootloader code place during editor, and by this Bootloader code deletion, the upgrade code that makes to upgrade in device is incomplete upgrade code, only stay the more application program of highest version, and by AES128, it is encrypted, to prevent possible cracking.Simultaneously, the content that need to verify while setting upgrading, and the occurrence of definite each content, to determine the object table that needs upgrading; Described checking content comprises target program version number, target program check code, object table order number, object table firmware code and object table hardware encoding.
B, move described upgrading device on computers, and, in the mode of username and password (being set when the step a inediting) login object table, with the application program communication in electric energy meter MCU chip, the validity of object table meter is verified; During checking, the actual occurrence of respectively verifying content that logs in the table meter of the occurrence of respectively verifying content and upgrading device of determining in step a is compared, if respectively verify, the occurrence of content is all identical, mean by checking, go to step c, otherwise mean to stop upgrading not by checking.
Application program in c, electric energy meter MCU chip is closed oneself, electric energy meter MCU chip operation burning simultaneously is the Bootloader code of section in the inner, and the application program in the MCU chip is deleted by burning, now burning in the Bootloader of MCU chip internal code by serial ports (baud rate is generally 9600bps) form and the communication of upgrading device to encrypt, described incomplete upgrade code (more the application program of highest version) is downloaded in the object table meter.
If because the communication reason causes upgrading unsuccessfully, the application program of now burning in the MCU chip is deleted, Bootloader code in chip is the day-to-day operation task, with upgrading device Direct Communication (not having login and effectively checking), the application program of highest version is more downloaded in object table meter chip.
The incomplete upgrade code that the operation of d, object table meter receives (more the application program of highest version), check whether Bootloader code (the Bootloader code of programming in electric energy meter MCU own) exists and verification is correct, if exist Bootloader code and verification correct in electric energy meter MCU, upgrade successfully, if do not exist Bootloader code or verification incorrect in electric energy meter MCU, for illegally cracking and write, upgrade unsuccessfully, simultaneously can the start-up performance inefficacy etc. punitive measures.The concrete grammar of verification is as follows: application program is in when operation, the code of Bootloader code address section carried out to verification and generate check code, if not the normal Bootloader check code of this check code thinks that the Bootloader code is for illegal.
Such as normal Bootloader check code is B936, when the Bootloader code be empty or illegally the time, it is A333 rather than B936 that application program obtains check code to its verification, thinks that this application program is illegal burned chip.
In step a, can set the term of validity of upgrading device during editor, expired this upgrading device afterwards can't move, may be by Hacking Run to prevent upgrading device, and the device of for example upgrading is copied rear operation by the irrelevant personnel.
Claims (6)
1. an electric energy meter programme upgrade method is characterized in that step is as follows:
A, on computers will need the upgrading the HEX Document Editing generate executable upgrading device, this upgrading device includes upgrade code; During editor, by the Bootloader code deletion, the upgrade code in the device that makes to upgrade is incomplete upgrade code, and it is encrypted;
B, move described upgrading device on computers, make its login object table meter and the validity of object table meter is verified, if, by checking, go to step c, if, by checking, stop upgrading;
C, upgrading device download to described incomplete upgrade code in object table in the communication modes of encrypting;
Whether the incomplete upgrade code that d, the operation of object table meter receive, exist Bootloader code verification correct in the look-up table meter, if correct, upgrade successfully, if incorrect,, for illegally cracking and write, upgrades unsuccessfully.
2. electric energy meter programme upgrade method according to claim 1, is characterized in that: verify in step b that content comprises target program version number, target program check code, object table order number, object table firmware code and object table hardware encoding.
3. electric energy meter programme upgrade method according to claim 1 and 2, it is characterized in that: the cryptographic algorithm in step a is AES128.
4. electric energy meter programme upgrade method according to claim 1 and 2 is characterized in that: in step a, set the term of validity of upgrading device during editor, expired after this upgrading device can't move.
5. electric energy meter programme upgrade method according to claim 1 and 2 is characterized in that: in step b, the upgrading device is logined object table in the mode of username and password.
6. electric energy meter programme upgrade method according to claim 1 and 2, it is characterized in that: described computing machine is by serial ports and the communication of object table meter, and its baud rate is 9600bps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104292540A CN103455358A (en) | 2013-09-18 | 2013-09-18 | Upgrading method of electric energy meter program |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013104292540A CN103455358A (en) | 2013-09-18 | 2013-09-18 | Upgrading method of electric energy meter program |
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| CN103455358A true CN103455358A (en) | 2013-12-18 |
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| CN2013104292540A Pending CN103455358A (en) | 2013-09-18 | 2013-09-18 | Upgrading method of electric energy meter program |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325955A (en) * | 2016-08-30 | 2017-01-11 | 威胜集团有限公司 | Remote upgrading method of STS prepayment meter |
| CN106485140A (en) * | 2016-10-17 | 2017-03-08 | 中国电力科学研究院 | A kind of upgrade method of electric energy meter and upgrade-system |
| CN107404391A (en) * | 2016-05-19 | 2017-11-28 | 中兴通讯股份有限公司 | Version file method of calibration and device and encryption method and device |
| CN109947417A (en) * | 2019-03-21 | 2019-06-28 | 上海龙旗科技股份有限公司 | For generating the method and apparatus of a key upgrade procedure |
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| EP1548451A2 (en) * | 2001-12-20 | 2005-06-29 | Enel Distribuzione S.p.A. | System for the remote reading and control of electric energy consumption |
| CN101419557A (en) * | 2008-07-29 | 2009-04-29 | 航天信息股份有限公司 | Program downloading control method |
| CN102385521A (en) * | 2010-09-03 | 2012-03-21 | Ls产电株式会社 | System and method for firmware update of meter, watt hour meter with function of remote firmware update |
| CN103236113A (en) * | 2013-04-11 | 2013-08-07 | 成都秦川科技发展有限公司 | Information security management module for integrated circuit (IC) card intelligent ammeter |
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2013
- 2013-09-18 CN CN2013104292540A patent/CN103455358A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1548451A2 (en) * | 2001-12-20 | 2005-06-29 | Enel Distribuzione S.p.A. | System for the remote reading and control of electric energy consumption |
| CN101419557A (en) * | 2008-07-29 | 2009-04-29 | 航天信息股份有限公司 | Program downloading control method |
| CN102385521A (en) * | 2010-09-03 | 2012-03-21 | Ls产电株式会社 | System and method for firmware update of meter, watt hour meter with function of remote firmware update |
| CN103236113A (en) * | 2013-04-11 | 2013-08-07 | 成都秦川科技发展有限公司 | Information security management module for integrated circuit (IC) card intelligent ammeter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404391A (en) * | 2016-05-19 | 2017-11-28 | 中兴通讯股份有限公司 | Version file method of calibration and device and encryption method and device |
| CN106325955A (en) * | 2016-08-30 | 2017-01-11 | 威胜集团有限公司 | Remote upgrading method of STS prepayment meter |
| CN106485140A (en) * | 2016-10-17 | 2017-03-08 | 中国电力科学研究院 | A kind of upgrade method of electric energy meter and upgrade-system |
| CN109947417A (en) * | 2019-03-21 | 2019-06-28 | 上海龙旗科技股份有限公司 | For generating the method and apparatus of a key upgrade procedure |
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Application publication date: 20131218 |