CN101667238B - Virtual instrument measuring support storage device - Google Patents
Virtual instrument measuring support storage device Download PDFInfo
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- CN101667238B CN101667238B CN2009100923627A CN200910092362A CN101667238B CN 101667238 B CN101667238 B CN 101667238B CN 2009100923627 A CN2009100923627 A CN 2009100923627A CN 200910092362 A CN200910092362 A CN 200910092362A CN 101667238 B CN101667238 B CN 101667238B
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Abstract
The invention discloses a virtual instrument measuring support storage device which is used together with detected virtual instrument software. The virtual instrument measuring support storage device is provided with a USB interface and comprises an external casing module, a casing internal control circuit module and a built-in file system, wherein the internal control circuit module comprises the USB interface, a flash memory, an MCU and a buffer, the MCU implements the user identity authentication and the program data integrity verification and completes the address strobe and the digital-analog conversion, and a port of the MCU is connected with the USB interface, the flash memory, the buffer and an intelligent indicator lamp module; and the built-in file system comprises an integrity verification file, a log file, a user authority list, a measuring calibration parameter file and a traceable digital certificate. The invention has the advantages of high storage reliability, portable volume and plug-and-play.
Description
Technical field
The present invention relates to a kind of virtual instrument measuring support storage device, relate in particular to a kind of virtual instrument measuring field that is applied to,, have the reliability height with the supporting use of measurement of virtual instrument software, volume is easy to carry, a kind of virtual instrument measuring support storage device with USB of plug and play.
Background technology
Along with computer hardware technique and virtual instrument application and development, in recent years virtual instrument technique has been launched comparatively extensive studies.At measurement and control area; software features such as the reliability of international metering such as OIML and WELMEC mechanism concern measurement and control instrument and integrity protection; suggestion based on measurement and control instrument software protection demand, guard method, reliability assurance and software quality evaluation and test has been proposed; covered the virtual instrument type, but studied also seldom at integrity protection technology and validity evaluation and test that virtual instrument is used.
Authentication has simultaneously obtained more deep research in areas of information technology, and propose and realize based on user password, digital certificate, biological characteristic, even multifactorial authenticating user identification, but the combined with virtual instrument measures, uses the many-sided authentication of copyright not cause concern as yet.
Although software quality is very crucial to the correct effectively work of measurement and control instrument, do not strictly regulate but still have at present with the technical construction virtual instrument in different ways, because software quality assurance is a systems engineering, relate to various aspects such as software design, exploitation, use, management, maintenance and evaluation, but the software system of virtual that distribution is used is a black box, is difficult to its reliability is tested and assessed.Check on though NI etc. have carried out strict test and quality to the measurement control of himself and third party issue and assembly, but guarantee and the method for operating research of evaluation and test does not obtain people's attention as yet at the reliability of virtual instrument software.
The reliable computing technology that develops rapidly in recent years can be used for protecting the integrality of computer hardware platforms and bottom software platform, uses it for the virtual instrument integrity protection, can solve the crucial application software integrality protection problem of measuring.Unresolved the problems referred to above are now developed a kind of USB virtual instrument measuring support storage device, and this device can effectively be protected consumer's interests, prevent that measurement of virtual instrument software is by malicious modification.
Summary of the invention
For solving the problem that said method exists, the invention provides a kind of virtual instrument measuring support storage device, the supporting use of the virtual instrument software that this device and metrological service authenticated.
The present invention is achieved by the following technical solutions:
A kind of virtual instrument measuring support storage device involved in the present invention, virtual instrument software after this device and the calibrating uses jointly, described device is that this device of virtual instrument measuring support storage device with USB interface comprises external shell module, housing inner control circuit module and built-in file system
Described inner control circuit module comprises USB interface, flash memory, MCU, buffer, wherein MCU implements the integrity verification of authenticating user identification and routine data, finish address strobe and digital-to-analog conversion, and the port of MCU is connected with USB interface, flash memory, buffer and intelligent indicator lamp module;
Described built-in file system comprises integrity verification file, journal file, user right table, gauging calibration Parameter File, the digital certificate of tracing to the source.
The beneficial effect of technical scheme provided by the invention is:
Integrity verification file in the built-in file set, user right table, gauging calibration Parameter File and the digital certificate of tracing to the source have read-only type to the user, by reading integrality, the reliability that the integrity verification file can guarantee software, prevent that software is by illegal or modification unintentionally.Can judge user's level of identity by reading trace to the source digital certificate and user right table, thereby guarantee metering and measure the two independence, make the nominal data that the user can not the hack instrument.
Description of drawings
Fig. 1 is the virtual instrument measuring support storage device layout;
Fig. 2 is the circuit theory diagrams of virtual instrument measuring support storage device;
Fig. 3 is the task realization flow figure of virtual instrument measuring support storage device.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing:
Referring to Fig. 1, described device is the virtual instrument measuring support storage device with USB interface, and the supporting use of virtual instrument software that authenticated of this device and metrological service.Described USB virtual instrument measuring support storage device comprises housing module, shell inner control circuit module, built-in file set and MCU primary module.Wherein, the chip of MCU primary module 101 is integrated in CPU, RAM, ROM, timing number device and multiple I/O interface on a slice chip, forms the computing machine of chip-scale, for doing various combination control in different application scenarios; Control circuit module 102 is for the MCU chip provides the hardware control circuit service; Usb interface module 103 is for device provides data transmission, services such as power supply are provided.Intelligent indicator lamp module 104 main worker's states of judging current device.Built-in file set 105 among the FLASH of main storage and device, has comprised integrity verification file, user right table, gauging calibration Parameter File, trace to the source digital certificate and journal file.
Described completeness check file comprises identifying code, and this identifying code prevents software by illegal or modification unintentionally, and described integrity verification information stores the USB virtual instrument measuring into the daily record form and supports in the order will file of storer; The described digital certificate of tracing to the source is the digital certificate of customer digital certificate issuing organization, is used for user identity is authenticated; Described user right table is used to shine upon user's identity, and this identity is divided into the demarcation user and measures the user; Described gauging calibration Parameter File comprises the calibrating parameters in metrological service's surveying instrument, and this gauging calibration Parameter File is read-only file to the user, is reading and writing of files to metrological service.
Referring to Fig. 2, the circuit structure of USB virtual instrument measuring support storage device mainly is made up of USB plug, MCU microprocessor, flash memory (FLASH), pcb board, Chip-R, light emitting diode (LED) etc.When metrological service carries out burning when operation to this device, enter some burning option behind the burning program afterwards, put the file that each needs burning then, the some operation bears with then and gets final product.When this device was removed, only need discharge to this device got final product more than the 9s.
Referring to Fig. 3, be the task realization flow of USB virtual instrument measuring support storage device, USB virtual instrument measuring support storage device and measurement of virtual instrument software are used, and implementation step comprises:
Step 301 starts measurement of virtual instrument software, inserts the USB virtual instrument measuring support storage device.
Step 302 reads this memory storage completeness check file, with the check code comparison of Survey Software, judges software integrity.
Step 303 reads this memory storage external interface device trace to the source digital certificate and user right table, and the user is carried out authentication.
Described integrity verification and authenticating user identification need carry out in order.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (4)
1. virtual instrument measuring support storage device, virtual instrument software after this device and the calibrating uses jointly, it is characterized in that: described device is the virtual instrument measuring support storage device with USB interface, this device comprises external shell module, housing inner control circuit module and built-in file system
Described housing inner control circuit module comprises USB interface, flash memory, MCU, buffer, wherein MCU implements the integrity verification of authenticating user identification and routine data, finish address strobe and digital-to-analog conversion, and the port of MCU is connected with USB interface, flash memory, buffer and intelligent indicator lamp module;
Described built-in file system comprises integrity verification file, journal file, user right table, gauging calibration Parameter File and the digital certificate of tracing to the source;
Described integrity verification file comprises identifying code, and this identifying code prevents software by illegal or modification unintentionally, and integrity verification information stores in the journal file of virtual instrument measuring support storage device with the daily record form;
The described digital certificate of tracing to the source is used for user identity is authenticated;
Described user right table is used for shining upon the access rights of user to the file of measuring support storage device, and its user identity is divided into to be demarcated the user and measure the user;
Described gauging calibration Parameter File comprises the calibrating parameters in metrological service's surveying instrument, and this gauging calibration Parameter File is read-only file to the user, is reading and writing of files to metrological service.
2. virtual instrument measuring support storage device according to claim 1 is characterized in that, described virtual instrument measuring support storage device is connected with the computing machine that includes virtual instrument by USB interface and communicates by letter.
3. virtual instrument measuring support storage device according to claim 1, it is characterized in that, described virtual instrument measuring support storage device is connected with the computing machine that includes measurement of virtual instrument software, connect the described device in back and begin self check, if self check is normal, red green pilot lamp dodges once mutually, during operate as normal, and green indicating lamp Chang Liang.
4. virtual instrument measuring support storage device according to claim 1 is characterized in that, implements the access control of file in authenticating user identification, the memory storage and the integrity verification of licensed software by described device case inner control circuit module; Described integrity verification file, user right table, gauging calibration Parameter File and the digital certificate of tracing to the source are read-only file to the user, are reading and writing of files to metrological service; Described journal file is a written document to the user, is reading and writing of files to metrological service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100923627A CN101667238B (en) | 2009-09-11 | 2009-09-11 | Virtual instrument measuring support storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100923627A CN101667238B (en) | 2009-09-11 | 2009-09-11 | Virtual instrument measuring support storage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101667238A CN101667238A (en) | 2010-03-10 |
| CN101667238B true CN101667238B (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100923627A Expired - Fee Related CN101667238B (en) | 2009-09-11 | 2009-09-11 | Virtual instrument measuring support storage device |
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| CN (1) | CN101667238B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217141B (en) * | 2014-09-04 | 2017-02-15 | 东莞理工学院 | Reinforced virtual instrument measuring software metrology support method and device |
| CN106557393A (en) * | 2015-09-28 | 2017-04-05 | 上海和辉光电有限公司 | A kind of automated verification system of IC chip |
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2009
- 2009-09-11 CN CN2009100923627A patent/CN101667238B/en not_active Expired - Fee Related
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| CN101667238A (en) | 2010-03-10 |
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Granted publication date: 20110420 Termination date: 20130911 |