CN105978921A - Remote upgrading method for vehicle-mounted communication terminal - Google Patents

Abstract

The invention relates to a remote upgrading method for a vehicle-mounted communication terminal. The method comprises the following steps that 1, a background server issues a new version of a terminal; 2, the background server sends an upgrading inform to a mobile phone App end; 3, the mobile phone App end receives an upgrading selection sent by a user; 4, the background server sends new version software information to the terminal; 5 the background server authenticates the identity legality of the terminal; 6, the terminal downloads an upgrading patch; 7,upgrading patch legality and integrity are checked; 8, whether a vehicle has the upgrading condition or not is judged; 9, the terminal is remotely upgraded; 10, a new version program is installed for the terminal; 11, the terminal judges whether operation of new version software is normal or not is judged; 12, an original version program back-up patch is deleted, and the new version program is backed up; 13, the number of the new version software is reported to the background server; 14, the mobile phone App end prompts the user to upgrade information. The safety problems in the upgrading process in the prior art are solved.

Description

A kind of vehicle communication terminal remote upgrade method

Technical field

The present invention relates to vehicle electronics communication technical field, specifically a kind of car-mounted terminal remote upgrade method.

Background technology

Along with the development of car networking technology, the terminal carrying mobile communication function has been applied in automobile the most more, forFamily provides if vehicle remote control, vehicle diagnostics, long range positioning, vehicular theft-prevention monitoring prompting, remote upgrade etc. are based on mobile mutualThe function of networking, brings great convenience to the use of user, improves the science and technology sense of vehicle.Wherein, vehicle remote literThe application of level function, solves the problem that current terminal carries out needing user to operate to 4S shop during software upgrading, brings to userConvenience, but it yet suffers from problems with:

1) software upgrading is the most only supported to be carried out by background mode, confirms without user；

2) after software upgrading completes, it is impossible in time to user feedback updating result；

3) in remote upgrade procedure, the legitimacy of terminal is not authenticated by terminal by backstage and backstage, terminal is to ROMPaqLegitimacy, integrity be authenticated, be tampered or third party implants malicious code if ROMPaq bag comprises, can give user,Depot has undesirable effect, and even brings vehicle, property loss etc..

Summary of the invention

It is an object of the invention to provide a kind of vehicle communication terminal remote upgrade method, it can solve the problem that in prior art upgradedThe safety problem of journey.

Technical scheme is as follows:

A kind of vehicle communication terminal remote upgrade method, it comprises the steps of

1) background server issue terminal redaction.

2) background server sends upgrade notification to the mobile phone A pp end of user, and prompting user has the redaction for upgrading.

3) the whether selection to terminal staging that mobile phone A pp end receives that user sends, if selecting upgrading, then performs step 4)；Otherwise, flow process is terminated.

4) terminal logs in background server system, and the information of new version software is sent to terminal by background server.

5) background server carries out identity legitimacy certification to terminal, if this terminal is legal, then enters step 6)；Otherwise, knotLine journey.

6) terminal downloads, from background server, the AKU that new version software is corresponding.

7) terminal carries out legitimacy, completeness check to AKU, if AKU verification is passed through, then performs step 8)；Otherwise,Terminate flow process.

8) whether the vehicle at its place of terminal judges possesses promotion condition, if vehicle possesses promotion condition, then performs step 9)；Otherwise, perform this step cycle to judge.

9) terminal enters remote upgrade pattern.

10) terminal unloads original version program and installs redaction program.

11), after the installation of redaction program, terminal judges new version software runs the most normal, if normal operation, performs stepRapid 12)；Otherwise, software is rolled back to original version.

12) delete original version program backup bag and redaction program is backed up.

13) new version software number is reported to background server by terminal, and upgrading message is pushed to mobile phone A pp end by background server.

14) mobile phone A pp end prompting customer upgrade information.

Further, described step 4) in, the version information that local version information and background server issue is carried out by terminalRelatively, step 5 is performed after confirming to need upgrading).

Further, described step 5) in, background server is by verifying the ID of terminal and using password authentification mode to endThe identity legitimacy of end is verified.

Further, described step 6) in, terminal is before downloading the AKU that new version software is corresponding, it is judged that whether this locality hasThere is the AKU of this version software；If there is the AKU of this version software, then the AKU detecting this locality is the most complete, ifLocal AKU is complete, then enter step 7), otherwise it is downloaded at breakpoint；If there is not the AKU of this version software,Then download whole AKU.

Further, described step 7) in, terminal passes through digital signature encryption mode, verifies the AKU downloaded.

Further, described step 7) after terminal staging completes, its version information is fed back to background server, backstage by terminalServer is by version and Record Comparison, it is judged that whether terminal upgrades successfully, and by the hands of updating result information pushing to userMachine App end.

Further, described step 6) in, the file between terminal and background server transmits based on https agreement, and is passingSafeguard protection means are used during defeated.

The present invention actively initiates upgrade request by user, to guarantee that terminal can be upgraded at the laggard row of the confirmation of user, andRemote upgrade procedure carries out safety certification, adds the security reliability of car-mounted terminal escalation process.The present invention has the most excellentPoint:

(1) software upgrading real-time informing user, is independently chosen whether by user to upgrade, and information is more transparent；

(2), after software upgrading completes, background server and user can be notified in time, it is simple to user understands the upgrade status of terminal；

(3) terminal is being downloaded before AKU, the legitimacy of terminal can be verified by backstage, it is to avoid other non-authentication terminalsDownload bag, causes program to be coated and steals；

(4) after terminal downloads AKU completes, AKU can be verified, it is ensured that the legitimacy of data, integrity, haveEffect avoids to download installs the program being maliciously tampered；

(5) if program is upgraded unsuccessfully, software can be rolled back to last revision by terminal, it is ensured that the normal use of software function.

Accompanying drawing explanation

Fig. 1 is the flow chart of the present invention；

Fig. 2 is the network system figure that the present invention uses scene.

Detailed description of the invention

The invention will be further described with embodiment below in conjunction with the accompanying drawings.

The vehicle communication terminal remote upgrade method of the present invention is implemented based on hardware net system as shown in Figure 2, such as the stream of Fig. 1Shown in journey figure, it comprises the steps of

1) background server issue terminal redaction.Manager by background system issue redaction program and program version number,Program bag, redaction describe information etc. to background server.

2) background server sends upgrade notification to the mobile phone A pp end of user, and prompting user has the redaction for upgrading, canCarry out online upgrading.

3) the whether selection to terminal staging that mobile phone A pp end receives that user sends, if selecting upgrading, then performs step 4)；Otherwise, flow process is terminated.Upgrade notification may select " Upgrading Now " or " wouldn't upgrade ", if user selects " wouldn't upgrade ",Terminating flow process, will retain this message simultaneously in the upgraded module of mobile phone A pp end, user also can select again to upgrade at any time.If user selects " Upgrading Now ", then perform step 4), mobile phone A pp end upgrade tip display terminal is in upgrading processing.

4) terminal logs in background server system, and the information of new version software is sent to terminal by background server.Terminal is by this localityThe version information that issues of version information and background server compare, perform step 5 after confirming to need upgrading).

In upgraded version describes, need to be briefly described, this upgraded version amendment content, what's new etc. to helpUser understands AKU details.

Terminal supports cross-version upgrading, and as issued first after 1.0 edition upgradings notify, no matter user selects upgrading, again issues 2.0Notice be need nonetheless remain for user during version；Meanwhile, mobile phone A pp end only shows that latest edition notifies.

5) background server carries out identity legitimacy certification to terminal, if this terminal is legal, then enters step 6)；Otherwise, knotLine journey.Terminal identity legitimacy is verified by backstage, to guarantee that application bag is downloaded in the legal terminal application being registered in backstage,Avoid third party to pass through PC or other-end directly obtain link after download to ROMPaq bag, cause the risk that program leaks.

The identity legitimacy of terminal can be verified by background server by the ID of checking terminal and employing password authentification mode.Terminal is when user begins to use, and in the verification process of background service system, background server can to one ID of terminal distribution andPassword, terminal carries out safe storage in this locality.Terminal, when AKU downloaded by needs, can use ID and password rearCarrying out legitimacy certification in station server, background server confirms it is just permission terminal downloads upgrading after the validated user in data baseBag.

6) terminal downloads, from background server, the AKU that new version software is corresponding.

In downloading process, program file transmission uses https agreement, and transmitting procedure carries out safeguard protection；Meanwhile, support under breakpointCarry.Terminal, before downloading AKU, can judge the local AKU whether having and there is this version program, and whether detect packetCompletely, if no data bag, then directly downloading, if there is the incomplete situation of packet, being then downloaded at breakpoint, maximumThe download program time that saves of degree and terminal flow.In whole downloading process, the function of terminal can normally use.

7) terminal carries out legitimacy, completeness check to AKU, if AKU verification is passed through, then performs step 8)；Otherwise,Terminate flow process.

Being built-in with digital certificate when terminal is dispatched from the factory, AKU, when backstage is issued, can use the digital certificate identical with terminal to carry outSignature, after AKU has been downloaded by terminal, can use digital certificate to verify its signature, and as identical, verification is passed through,Otherwise it is judged as illegal program.

8) whether the vehicle at its place of terminal judges possesses promotion condition, if vehicle possesses promotion condition, then performs step 9)；Otherwise, perform this step cycle and judge, until terminal judges vehicle meets promotion condition.Generally, vehicle power supply need to be in OFFDuring state, meet remote upgrade condition.

9) terminal enters remote upgrade pattern, and the operation program that automatically resets enters program erection schedule.

10) terminal unloads original version program and installs redaction program.

11), after the installation of redaction program, terminal judges new version software runs the most normal, if normal operation, performs stepRapid 12)；Otherwise, software is rolled back to original version, it is ensured that terminal still can normally use in the case of upgrading unsuccessfully.

12) delete original version program backup bag and redaction program is backed up.

13) new version software number is reported to background server by terminal, and upgrading message is pushed to mobile phone A pp end by background server,After background server receives, judge whether terminal upgrades successfully by detection version number and Record Comparison, and push information to useFamily mobile phone A pp.

14) mobile phone A pp end prompting customer upgrade information, after judging terminal staging success, mobile phone A pp end no longer shows upgradingIn process, changing into showing has been latest edition prompting.

Claims (7)

1. a vehicle communication terminal remote upgrade method, it is characterised in that comprise the steps of

1) background server issue terminal redaction；

2) background server sends upgrade notification to the mobile phone A pp end of user, and prompting user has the redaction for upgrading；

3) the whether selection to terminal staging that mobile phone A pp end receives that user sends, if selecting upgrading, then performs step 4)；Otherwise, flow process is terminated；

4) terminal logs in background server system, and the information of new version software is sent to terminal by background server；

5) background server carries out identity legitimacy certification to terminal, if this terminal is legal, then enters step 6)；Otherwise, knotLine journey；

6) terminal downloads, from background server, the AKU that new version software is corresponding；

7) terminal carries out legitimacy, completeness check to AKU, if AKU verification is passed through, then performs step 8)；Otherwise,Terminate flow process；

8) whether the vehicle at its place of terminal judges possesses promotion condition, if vehicle possesses promotion condition, then performs step 9)；Otherwise, perform this step cycle to judge；

9) terminal enters remote upgrade pattern；

10) terminal unloads original version program and installs redaction program；

11), after the installation of redaction program, terminal judges new version software runs the most normal, if normal operation, performs stepRapid 12)；Otherwise, software is rolled back to original version；

12) delete original version program backup bag and redaction program is backed up；

13) new version software number is reported to background server by terminal, and upgrading message is pushed to mobile phone A pp end by background server；

14) mobile phone A pp end prompting customer upgrade information.

A kind of vehicle communication terminal remote upgrade method the most according to claim 1, it is characterised in that described step 4)In, the version information that local version information and background server issue is compared by terminal, performs step after confirming to need upgradingRapid 5).

A kind of vehicle communication terminal remote upgrade method the most according to claim 1, it is characterised in that described step 5)In, the identity legitimacy of terminal is verified by background server by ID and the employing password authentification mode of checking terminal.

A kind of vehicle communication terminal remote upgrade method the most according to claim 1, it is characterised in that described step 6)In, terminal is before downloading the AKU that new version software is corresponding, it is judged that whether local have the AKU that there is this version software；IfThere is the AKU of this version software, then the AKU detecting this locality is the most complete, if the AKU of this locality is complete, then enters stepRapid 7), otherwise it is downloaded at breakpoint；If there is not the AKU of this version software, then download whole AKU.

A kind of vehicle communication terminal remote upgrade method the most according to claim 1, it is characterised in that described step 7)In, terminal passes through digital signature encryption mode, verifies the AKU downloaded.

A kind of vehicle communication terminal remote upgrade method the most according to claim 1, it is characterised in that described step 7)After terminal staging completes, its version information is fed back to background server by terminal, background server by version and Record Comparison,Judge whether terminal upgrades successfully, and by the mobile phone A pp end of updating result information pushing to user.

A kind of vehicle communication terminal remote upgrade method the most according to any one of claim 1 to 6, it is characterised in thatDescribed step 6) in, the file between terminal and background server transmits based on https agreement, and uses peace in transmitting procedureFull guard means.