CN204836593U - It prevents that rail from explaiing device to drive training GPS class hour terminal - Google Patents
It prevents that rail from explaiing device to drive training GPS class hour terminal Download PDFInfo
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- CN204836593U CN204836593U CN201520631161.0U CN201520631161U CN204836593U CN 204836593 U CN204836593 U CN 204836593U CN 201520631161 U CN201520631161 U CN 201520631161U CN 204836593 U CN204836593 U CN 204836593U
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Abstract
The utility model provides an it prevents that rail from explaiing device to drive training GPS class hour terminal, include: a rail positioning data carries out black GPS module in order to predetermine the key rule to rail positioning data for obtaining the learner -driven vehicle, be used for carrying out the controller decrypted to encrypted rail positioning data in order to predetermine the key rule, the controller links to each other with the GPS module, a rail positioning data for receiving legal rail positioning data's wireless communication module, it is legal in order to report that wireless communication module links to each other with controller and driver's time training examination platform. the utility model discloses data communication between GPS module and controller adopts the cipher mode, and difficult quilt explains, and the guarantee student drives the training quality of training.
Description
Technical field
The utility model relates to GPS location and data encryption technology field, and particularly a kind of driving training GPS class hour terminal prevents fence breaking device.
Background technology
In examination of driver, train rule for driver's subject two: require that student must give training at the circuit audited through administrative department and region, train class hour could as effective class hour.Existing training timing terminal of driving mainly relies on terminal to gather according to 0183 open agreement locator data that GPS generates to upload to time training platform and mate with the regulation circuit on platform and region, and as exceeded the scope departed from of regulation permission, class hour is invalid.
Existing collecting method is easily cracked, there is a large amount of fences on the market and crack cheating device, the gps data source of former timer is disconnected, by the GPS locator data of protocol format access simulation, upload to platform, reach circuit and region training that vehicle not be used in regulation, also can make training class hour effective object.This cheating disturbs the fairness of total marks of the examination greatly, and is that contingent traffic accident in the future hides some dangers for.
Utility model content
The purpose of this utility model is intended at least solve one of described technological deficiency.
For this reason, the purpose of this utility model is that proposing a kind of driving training GPS class hour terminal prevents fence breaking device, the data communication that can be implemented between GPS module and controller adopts cipher mode, the replacing of dynamic key is adjusted by time training platform, not easily be cracked, fence on the market can be stopped and crack cheating device pseudo-class hour of utilizing analog position information to produce, the training quality of guarantee student driving training.
To achieve these goals, embodiment of the present utility model provides a kind of driving training GPS class hour terminal to prevent fence breaking device, comprising: for obtain learner-driven vehicle fence locator data and to described fence locator data with the GPS module that is encrypted of preset-key rule; For the controller be decrypted with described preset-key rule the fence locator data after encryption, described controller is connected with described GPS module, wherein, described controller judges that described fence locator data is legal after to described fence locator data successful decryption, otherwise judges that described fence locator data is invalid; For receiving the wireless communication module of legal fence locator data, described wireless communication module and described controller are connected with driver's time training evaluating platform to report described legal fence locator data.
Further, described wireless communication module is GPRS communication module.
Further, described controller is single-chip microcomputer.
Driving training GPS class hour terminal according to the utility model embodiment prevents fence breaking device, and the data communication between GPS module and controller adopts cipher mode, and the replacing of dynamic key is adjusted by time training platform; Abandon the mode of existing time training terminal plain code transmission locator data.Because locator data adopts data encryption communication, be not easily cracked, fence on the market can be stopped and crack the pseudo-class hour that cheating device utilizes analog position information to produce, the training quality of guarantee student driving training.
The aspect that the utility model is additional and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structure chart preventing fence breaking device according to the driving training GPS class hour terminal of the utility model embodiment;
Fig. 2 is the schematic diagram of the dynamic conditioning key according to the utility model embodiment;
Fig. 3 is the schematic diagram preventing fence from practising fraud according to the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
As shown in Figure 1, the driving training GPS class hour terminal of the utility model embodiment prevents fence breaking device, comprising: GPS module 1, controller 2 and wireless communication module 3.
Particularly, GPS module 1 can obtain the fence locator data on learner-driven vehicle, and is encrypted with preset-key rule this fence locator data.
It should be noted that, this preset-key rule is sent to GPS module 1 by controller 2.Particularly, by driver's time training evaluating platform, preset-key rule (wherein carrying key) is sent to wireless communication module 3, this preset-key rule is forwarded to controller 2 by wireless communication module 3 further.After controller 2 receives preset-key rule, reception information is confirmed by wireless communication module 3 to the response of driver's time training evaluating platform according to agreement, to the terminal that can't accept new key because of network or other reasons, driver's time training evaluating platform can be reached the standard grade after information and reissues key signal, until receive successfully being received terminal.
Controller 2, after receiving preset-key rule, records this preset-key rule, and sends it to GPS module 1.Thus GPS module 1, after getting the fence locator data on learner-driven vehicle, adopts the preset-key rule received to be encrypted this fence locator data, and the fence locator data after encryption is sent to controller 2.
As shown in Figure 2, in embodiment of the present utility model, this preset-key rule is initiatively initiated by driver's time training evaluating platform, and driver's time training evaluating platform can this preset-key rule of dynamic conditioning or adjust concrete key.Such as, change a secondary key every other month, also can be initiated the adjustment of key according to actual conditions by driver's time training evaluating platform temporarily.
Controller 2 is connected with GPS module 1, is decrypted with preset-key rule the fence locator data after encryption.Because controller 2 is consistent with the key rule in GPS module 1, so the data after encrypting via GPS module 1, be can by corresponding the realizations deciphering of controller 2.That is, if controller 2 pairs of fence locator data successful decryptions, then can judge that fence locator data is legal, otherwise judge that fence locator data is invalid.
In other words, fence is cracked to the external equipments such as cheating device, even if by the communication line between artificial mode breaking controller 2 and GPS module 1, driving school's training place GPS fence of access simulation and area data (as shown in Figure 3), because external device cannot know encryption method and key, the fence of institute's analogue data and area data be not because meeting preset-key rule, after being sent to controller 2, controller 2 to this analogue data through differentiation after, invalid data can be judged as, so, car class hour is in such cases invalid class hour.
Wireless communication module 3 is connected with driver's time training evaluating platform with controller 2, for receiving the legal fence locator data of self-controller 2, and legal fence locator data is reported controller 2.In an embodiment of the present utility model, controller 2 can be single-chip microcomputer, and wireless communication module 3 can be GPRS communication module.
Between controller 2 and GPS module 1, data communication adopts data encryption mode with preset-key rule.In embodiment of the present utility model, cipher mode can adopt the cipher modes such as IDEA, DES, RSA, or Custom Encryption mode.Wherein, the utility model adopts the data communication encryption and decryption mode adopted in Ministry of Communications JT/T808-2011.
Particularly, the data encryption between controller 2 and GPS module 1 requires as follows:
1) encryption is only carried out for the data volume part of message, and key is transmitted by network, and different messages can adopt different keys to be encrypted.
2) before Packet Generation, packet content and pseudo random sequence are carried out XOR by byte.
3) cryptographic algorithm is as follows: produce pseudorandom byte sequence with N mould pseudo-random sequence generator.Data waiting for transmission and pseudo noise code are carried out XOR by byte.
4), between different the superior and the subordinate's platforms, the algorithm of encryption is consistent, but for the difference of M1, IA1, IC1.Data need first then to decipher through encryption.
Wherein, enciphering and deciphering algorithm partial code is as follows:
Constunsigneduint32_tM1＝A；
Constunsigneduint32_tIA1＝B；
Constunsigneduint32_tIC1＝C；
Voidencrypt(uint32_tkey,unsignedchar*buffer,uint32_tsize)
{
uint32_tidx＝0；
if(0＝＝key)
{
key＝1；
}
uint32_tmkey＝M1；
if(0＝＝mkey)
{
mkey＝1；
}
while(idx<size)
{
key＝IA1*(key％mkey)+IC1；
buffer[idx++]^＝(unsignedchar)((key>>20)&0xFF)；
}
}
Driving training GPS class hour terminal according to the utility model embodiment prevents fence breaking device, and the data communication between GPS module and controller adopts cipher mode, and the replacing of dynamic key is adjusted by time training platform; Abandon the mode of existing time training terminal plain code transmission locator data.Because locator data adopts data encryption communication, be not easily cracked, fence on the market can be stopped and crack the pseudo-class hour that cheating device utilizes analog position information to produce, the training quality of guarantee student driving training.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.Scope of the present utility model is by claims extremely equivalency.
Claims (3)
1. driving training GPS class hour terminal prevents a fence breaking device, it is characterized in that, comprising:
For obtain learner-driven vehicle fence locator data and to described fence locator data with the GPS module that is encrypted of preset-key rule;
For the controller be decrypted with described preset-key rule the fence locator data after encryption, described controller is connected with described GPS module, wherein, described controller judges that described fence locator data is legal after to described fence locator data successful decryption, otherwise judges that described fence locator data is invalid;
For receiving the wireless communication module of legal fence locator data, described wireless communication module and described controller are connected with driver's time training evaluating platform to report described legal fence locator data.
2. driving training GPS class hour terminal as claimed in claim 1 prevents fence breaking device, and it is characterized in that, described wireless communication module is GPRS communication module.
3. driving training GPS class hour terminal as claimed in claim 1 prevents fence breaking device, and it is characterized in that, described controller is single-chip microcomputer.
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| CN201520631161.0U CN204836593U (en) | 2015-08-20 | 2015-08-20 | It prevents that rail from explaiing device to drive training GPS class hour terminal |
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| CN201520631161.0U CN204836593U (en) | 2015-08-20 | 2015-08-20 | It prevents that rail from explaiing device to drive training GPS class hour terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331247A (en) * | 2017-07-20 | 2017-11-07 | 武汉依迅北斗空间技术有限公司 | Wire examination method and device are trained in a kind of driving training |
| CN107464195A (en) * | 2017-07-20 | 2017-12-12 | 武汉依迅北斗空间技术有限公司 | Vehicles management method and device in driving training |
| CN112261587A (en) * | 2020-09-27 | 2021-01-22 | 浙江维尔科技有限公司 | Positioning method for driving training system and driving training system |
-
2015
- 2015-08-20 CN CN201520631161.0U patent/CN204836593U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331247A (en) * | 2017-07-20 | 2017-11-07 | 武汉依迅北斗空间技术有限公司 | Wire examination method and device are trained in a kind of driving training |
| CN107464195A (en) * | 2017-07-20 | 2017-12-12 | 武汉依迅北斗空间技术有限公司 | Vehicles management method and device in driving training |
| CN112261587A (en) * | 2020-09-27 | 2021-01-22 | 浙江维尔科技有限公司 | Positioning method for driving training system and driving training system |
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