CN107133510A - A kind of terminal pattern switching method and device - Google Patents
A kind of terminal pattern switching method and device Download PDFInfo
- Publication number
- CN107133510A CN107133510A CN201710406616.2A CN201710406616A CN107133510A CN 107133510 A CN107133510 A CN 107133510A CN 201710406616 A CN201710406616 A CN 201710406616A CN 107133510 A CN107133510 A CN 107133510A
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- terminal pattern
- fingerprint
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/74—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information operating in dual or compartmented mode, i.e. at least one secure mode
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2105—Dual mode as a secondary aspect
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Telephone Function (AREA)
- Collating Specific Patterns (AREA)
Abstract
The invention discloses a kind of terminal pattern switching method and device, belong to electronic technology field, methods described includes：The terminal is under screen lock state, according to the fingerprint image collected, it is determined that the target terminal pattern ID with the fingerprint image mapping to be measured；If present terminal pattern ID and the target terminal pattern ID differences, by described No. ID write-in flag bit subregion of target terminal pattern, the resource of the present terminal pattern, the resource of loaded targets terminal pattern are discharged.The present invention solves the problem of prior art can not carry out terminal pattern switching under terminal screen lock state, the switching of terminal pattern is carried out by finger print identifying, unlocked after terminal pattern switching without re-authentication fingerprint, terminal pattern switch step can be simplified, and ensure that the security of data under different terminals pattern.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of terminal pattern switching method and device.
Background technology
At present, terminal device used in us（Such as smart mobile phone, tablet personal computer）There can be a variety of ends simultaneously
End pattern（Such as personality frame, student's pattern, police service pattern）, multi-terminal mode is realized using dual system scheme.For
Ensure the security of different terminals pattern, ad hoc to determine between different terminals pattern to be separate, its data is to divide completely
From, it is impossible to access mutually, for example, when terminal is under police service pattern, user can only use police APP（Installed in intelligent end
Client software on end）, short message, the basic function such as phone, and user can not use the work(such as APP, the phone under personality frame
Energy.
Generally, to carry out terminal pattern switching needs under terminal unlocking state, by specific application interface, terminates to work as
The process of preceding terminal pattern, is again started up selection target terminal pattern during terminal, loads corresponding target terminal mode resource.It is aobvious
So above-mentioned terminal pattern switching, on the one hand must could be realized, the opposing party in terminal unlocking state by means of switching application interface
Face needs secondary authentication to unlock after pattern switching, and its switch step is comparatively laborious.
The content of the invention
In order to solve in the prior art, it is necessary to cut in terminal unlocking state by means of switching application interface ability implementation pattern
Change, and need secondary authentication to unlock after pattern switching, the problem of its step is comparatively laborious, technical side of the invention
Case is realized as follows：
There is provided a kind of terminal pattern switching method for the first aspect of embodiment of the present invention, it is characterised in that methods described bag
Include：The terminal is under screen lock state, according to the fingerprint image collected, it is determined that the mesh with the fingerprint image mapping to be measured
Mark terminal pattern ID；
If present terminal pattern ID and the target terminal pattern ID differences, described No. ID write-in of target terminal pattern is marked
In the subregion of will position, the resource of the present terminal pattern, the resource of loaded targets terminal pattern are discharged.
Optionally, it is described according to fingerprint image to be measured, it is determined that the target terminal pattern with the fingerprint image mapping to be measured
No. ID, specific steps include：
The mapping relations of pre-stored fingerprint template under each terminal pattern, fingerprint template and terminal pattern are loaded into internal memory；Root
According to the fingerprint image to be measured, it is determined that the pre-stored fingerprint template matched with the fingerprint image to be measured；According to the fingerprint template
With the mapping relations of terminal pattern, it is determined that No. ID with the target terminal pattern of the pre-stored fingerprint Template Map.
Optionally, it is described according to the fingerprint image to be measured, it is determined that the pre-stored fingerprint matched with the fingerprint image to be measured
Template, specific steps also include：Fingerprint matching result is write in flag bit subregion.
Optionally, the specific steps after terminal pattern switching also include：According to the fingerprint matching result, to the terminal
Perform unblock operation.
There is provided a kind of terminal pattern switching device for the second aspect of embodiment of the present invention, it is characterised in that the dress
Put including：
Pattern determining unit, for the terminal under screen lock state, according to the fingerprint image collected, it is determined that being treated with described
Survey the target terminal pattern ID of fingerprint image mapping；
Mode switch element, if for present terminal pattern ID and the target terminal pattern ID differences, by the target
In No. ID write-in flag bit subregion of terminal pattern, the resource of the present terminal pattern, the money of loaded targets terminal pattern are discharged
Source.
Optionally, the pattern determining unit also includes：
Signal load unit, for the mapping of the pre-stored fingerprint template under each terminal pattern, fingerprint template and terminal pattern to be closed
System is loaded into internal memory；Matching module, according to the fingerprint image to be measured, it is determined that with prestoring that the fingerprint image to be measured is matched
Fingerprint template；Mode decision module, for the mapping relations according to the fingerprint template and terminal pattern, it is determined that being prestored with described
No. ID of the target terminal pattern of fingerprint template mapping.
Optionally, the matching module is additionally operable to：Fingerprint matching result is write in flag bit subregion.
The third aspect of embodiment of the present invention switches equipment there is provided a kind of terminal pattern, including fingerprint sensor, deposits
Reservoir, processor and it is stored in the computer program that can be run on the memory and on the processor, it is characterised in that
Following steps are realized during the computing device said procedure, the step includes any of the above-described methods described step.
The beneficial effects of the invention are as follows：
For a kind of terminal pattern switching method and apparatus that the present invention is provided, more existing terminal pattern handoff technique, a side
Face, the present invention need not carry out the unblock operation of terminal, and the switching of different terminals pattern is realized by finger print identifying, and terminal
It is unlocked after pattern switching without re-authentication fingerprint, therefore the step of terminal pattern switches can be simplified；On the other hand, it is existing
Having in terminal pattern switching needs to click on pattern switching application in the unlocked state, and it has security hidden trouble（Such as visitor
It can be switched to by pattern switching application under other-end pattern）, the present invention is when fingerprint can not be certified, it is impossible to terminal
The unblock of pattern switching and screen is carried out, or, other-end pattern can not be switched in visitor's using terminal, it is ensured that no
With the security of data under terminal pattern.
Brief description of the drawings
In order to illustrate more clearly of embodiment of the present invention, the accompanying drawing used required in being described below to embodiment
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the terminal pattern switching method schematic flow sheet of the embodiment of the present invention one；
Fig. 2 is the handset mode switching method schematic flow sheet of the specific embodiment of the invention；
Fig. 3 is the terminal pattern switching device schematic diagram of the embodiment of the present invention two；
Fig. 4 is a kind of mode switching terminal schematic diagram of the embodiment of the present invention four.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one：
The present embodiment is in terminal pattern start-up course, and system kernel increase end message logging modle, the module was used at end
After end pattern starts successfully, storage present terminal pattern ID.
By fingerprint template typing application, the fingerprint image that can input user at least one times is special according to existing fingerprint
Levy extractive technique and set up pre-stored fingerprint template, the fingerprint template is stored under the fingerprint template path of present terminal pattern, so
Afterwards, parsing determines present terminal pattern ID from the end message logging modle of kernel, sets up pre-stored fingerprint template with prestoring
The mapping relations, are equally stored in present terminal pattern by the mapping relations of terminal pattern.
It is worth noting that, when difference with the prior art is to set up fingerprint template, it is not necessary to manually select current
Terminal pattern ID, but the present terminal pattern ID that reading terminals information logging modle is recorded, its advantage is can letter
The step of fingerprint template is set up in change.
In addition, same finger can be only formed under a fingerprint template, same terminal pattern, multiple fingerprint moulds can be stored
Plate.
In addition, same finger can not repeat typing under different terminals pattern, the present embodiment uses fingerprint matching technology, when
During typing fingerprint template, under all terminal patterns fingerprint template load internal memory in, judge current typing fingerprint whether
Typing is being repeated before.For example, crossing fingerprint template 1 when right hand forefinger is stored under terminal pattern A, then in terminal pattern
If using right hand forefinger typing fingerprint template again under B, terminal can be pointed out " finger repeats typing ".
Fig. 1 is the terminal pattern switching method schematic flow sheet of the embodiment of the present invention one, as shown in figure 1, the pattern switching
Method is comprised the following steps that：
Step S101：The terminal is under screen lock state, according to the fingerprint image collected, it is determined that with the fingerprint image to be measured
As the target terminal pattern ID of mapping.
Specifically, when terminal is in screen lock state, terminal can then initiate screen locking application program to call finger print identifying to connect
Mouthful, control fingerprint sensor can periodically work, i.e., fingerprint sensor can detect whether finger at regular intervals
Touch, store fingerprint image to be measured if detecting finger and touching, and the fingerprint image to be measured is input in processor.
Optionally, fingerprint sensor can be set periodically to be worked, for example, sets fingerprint sensor every after 20ms
Work 1s, on the one hand can reach the effect of energy-conservation, on the other hand be able to verify that the service life of fingerprint sensor.
Optionally, the finger touch of fingerprint sensor detection user can be the whole area or finger of finger
Partial area, it can be complete fingerprint image or partial fingerprint image to store fingerprint image to be measured accordingly
Picture.
Further, the mapping relations of the pre-stored fingerprint template under each terminal pattern, fingerprint template and terminal pattern are added
It is downloaded in internal memory, the purpose is to ensure the fingerprint image to be measured and the pre-stored fingerprint template progress under all terminal patterns
Match somebody with somebody, be not in leakage matching phenomenon.
Further, according to the fingerprint image to be measured, it is determined that the pre-stored fingerprint mould matched with the fingerprint image to be measured
Plate.
Specifically, processor extracts the finger print information to be measured of fingerprint image to be measured, the process of extraction finger print information to be measured
Including pretreatment（Such as denoising, refinement）, pass through feature extraction algorithm（Such as Minutiae extraction algorithm）It is to be measured to extract
Finger print information, related algorithm is not described in detail here.The finger print information to be measured of fingerprint image to be measured is extracted, using characteristic matching
Algorithm（Based on Point Pattern Matching algorithm, based on texture pattern matching algorithm etc.）, by finger print information to be measured respectively with it is all pre-
Deposit fingerprint template to be matched, it is determined that the target fingerprint template of matching.
Further, according to the mapping relations of the fingerprint template and terminal pattern, it is determined that with the pre-stored fingerprint template
No. ID of the target terminal pattern of mapping.
It is noted that the present embodiment realizes the function of fingerprint classification, fingerprint image to be measured is classified, judges that its is right
Should be in which terminal pattern.
Optionally, the fingerprint matching result between the fingerprint image to be measured and the fingerprint template is stored, i.e., by fingerprint
, can be according to being stored in flag bit subregion the purpose is to after terminal pattern switches in matching result write-in flag bit subregion
Fingerprint matching result, carries out terminal unlocking operation, without carrying out secondary finger print identifying unblock again.
1 can wherein be set to represent fingerprint image to be measured the match is successful, 0 represents fingerprint image to be measured, and it fails to match.
Optionally, if not finding the pre-stored fingerprint template matched with finger print information to be measured, terminal does not perform any operation.
Step S102：If present terminal pattern ID and the target terminal pattern ID differences, by the target terminal
In No. ID write-in flag bit subregion of pattern, the resource of the present terminal pattern, the resource of loaded targets terminal pattern are discharged.
Wherein, the flag bit subregion is used for storing the target terminal pattern ID that will start, when terminal pattern starts,
To determine which terminal pattern loaded according to flag bit subregion, with existing manual progress selection target terminal pattern phase
Than the step of switching this embodiment simplifies terminal pattern.
Wherein, release present terminal pattern all resources include data, using, service etc..
Wherein, all resources of loaded targets terminal pattern include file system, data etc..
Optionally, after terminal pattern switching, according to the fingerprint matching result, unblock operation, nothing are performed to the terminal
Fingerprint need to be verified again, but reads the fingerprint between the fingerprint image to be measured and fingerprint template stored in flag bit subregion
With result, terminal unlocking operation is directly performed according to the fingerprint matching result, operating procedure is simplified, improve unblock efficiency.
Optionally, if No. ID of present terminal pattern identical with No. ID of the terminal pattern that prestores, terminal performs unblock behaviour
Make, the purpose of user is judged in the fingerprint that can be so inputted to user（Terminal is unlocked or row mode is entered to terminal and is cut
Change）, terminal accurately responds, and makes terminal more intelligent.
Above is the terminal pattern switching method specific steps of the embodiment of the present invention one, introduce specific mould by taking mobile phone as an example
The step of formula switching method, is as follows：
Fig. 2 is the handset mode switching method schematic flow sheet of the specific embodiment of the invention, as shown in Fig. 2 specifically including：
Step S201：Under mobile phone screen lock state, the fingerprint image to be measured that fingerprint sensor is collected；
Step S202：Parsing determines current phone pattern ID from the handset mode logging modle of kernel；
Step S203：Judge whether the finger print information to be measured that fingerprint image to be measured is extracted matches with pre-stored fingerprint template, if
Match somebody with somebody, perform step S204, step S206, if mismatching, perform step S201；
Step S204：According to the mapping relations of fingerprint image to be measured, pre-stored fingerprint template and terminal pattern, target terminal mould is determined
Formulas I D；
Step S205：Judge whether current phone pattern ID is identical with target mobile phones pattern ID, if identical, perform step
S207, if it is different, performing step S208；
Step S206：Fingerprint matching result is write in flag bit subregion；
Step S207：Operation is unlocked to mobile phone；
Step S208：Discharge the resource of the present terminal pattern, the resource of loaded targets terminal pattern；
Step S209：Handset mode is switched to after target pattern, and the fingerprint matching knot of flag bit subregion is write according to step S206
Fruit is unlocked operation to mobile phone
Above is a kind of embodiment of embodiment one, increase and decrease or replacement to some of which step both fall within of the invention protected
In the scope of shield.
Embodiment two：
Further improved on the basis of embodiment one and obtain embodiment two, made a concrete analysis of as follows：
Terminal profile public storage area in embodiment two, the public storage area is used for storing prestoring under all terminal patterns
The mapping relations of fingerprint template, pre-stored fingerprint template and the terminal pattern that prestores, can so when fingerprint image to be measured is matched
So that the public storage area is loaded into internal memory, remaining the step of with it is essentially identical in embodiment one, repeat no more here.
Embodiment three：
Fig. 3 is a kind of terminal pattern switching device schematic diagram of the embodiment of the present invention three, as shown in figure 3, the device includes：
Pattern determining unit 310, for according to fingerprint image to be measured, it is determined that the target terminal with the fingerprint image mapping to be measured
Pattern ID.
Further, pattern determining unit 310 also includes：Signal load unit 311, for will be pre- under each terminal pattern
The mapping relations for depositing fingerprint template, fingerprint template and terminal pattern are loaded into internal memory；
Matching module 312, according to the fingerprint image to be measured, it is determined that the pre-stored fingerprint mould matched with the fingerprint image to be measured
Plate；
Wherein, matching module 312 includes memory cell, for storing the fingerprint matching between fingerprint image to be measured and fingerprint template
As a result, i.e., fingerprint matching result is write in flag bit subregion.
Mode decision module 313, for the mapping relations according to the fingerprint template and terminal pattern, it is determined that with it is described pre-
Deposit the target terminal pattern of fingerprint template mapping No. ID.
Mode switch element 320, if for present terminal pattern ID and the target terminal pattern ID differences, by institute
State in No. ID write-in flag bit subregion of target terminal pattern, discharge the resource of the present terminal pattern, loaded targets terminal mould
The resource of formula.
Optionally, according to fingerprint matching result, unblock operation is performed to terminal.
Example IV：
Fig. 4 is a kind of mode switching terminal schematic diagram of the embodiment of the present invention four, as shown in figure 4, when one kind is used for screen lock state
Terminal pattern switching equipment, including fingerprint sensor 401, processor 402, memory 403, line 404, and be stored in described
On memory and the computer program that can run on the processor.
Wherein, fingerprint sensor 401 is used for gathering fingerprint image, the fingerprint sensor 401 can with but be not limited only to optics
Formula fingerprint sensor, inductance type fingerprint sensor, semiconductor silicon sense formula fingerprint sensor etc..
Processor 402 is used for performing the either step of above-mentioned terminal pattern switching method.
Memory 403 is used for the mapping relations for storing pre-stored fingerprint template, pre-stored fingerprint template and the terminal pattern that prestores, with
And fingerprint collecting, the program code of matching correlation etc..
Line 404 is used to connecting fingerprint sensor 401, processor 402, outside memory 403, in addition to coordinates the present embodiment
The miscellaneous part of three normal works, such as input/output, controller, external interface etc., repeat no more here.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (9)
1. a kind of terminal pattern switching method, it is characterised in that methods described includes：
The terminal is under screen lock state, according to the fingerprint image collected, it is determined that mapped with the fingerprint image to be measured
Target terminal pattern ID；
If present terminal pattern ID and the target terminal pattern ID differences, described No. ID write-in of target terminal pattern is marked
In the subregion of will position, the resource of the present terminal pattern, the resource of loaded targets terminal pattern are discharged.
2. according to the method described in claim 1, it is characterised in that described according to fingerprint image to be measured, it is determined that with it is described to be measured
No. ID of the target terminal pattern of fingerprint image mapping, specific steps include：
The mapping relations of pre-stored fingerprint template under each terminal pattern, fingerprint template and terminal pattern are loaded into internal memory；
According to the fingerprint image to be measured, it is determined that the pre-stored fingerprint template matched with the fingerprint image to be measured；
According to the mapping relations of the fingerprint template and terminal pattern, it is determined that the target terminal with the pre-stored fingerprint Template Map
No. ID of pattern.
3. method according to claim 2, it is characterised in that described according to the fingerprint image to be measured, it is determined that with it is described
The pre-stored fingerprint template of fingerprint image matching to be measured, specific steps also include：
Fingerprint matching result is write in flag bit subregion.
4. according to any described methods of claim 1-3, it is characterised in that the specific steps after terminal pattern switching are also wrapped
Include：
According to the fingerprint matching result, unblock operation is performed to the terminal.
5. a kind of terminal pattern switching device, it is characterised in that described device includes：
Pattern determining unit, for the terminal under screen lock state, according to the fingerprint image collected, it is determined that being treated with described
Survey the target terminal pattern ID of fingerprint image mapping；
Mode switch element, if for present terminal pattern ID and the target terminal pattern ID differences, by the target
In No. ID write-in flag bit subregion of terminal pattern, the resource of the present terminal pattern, the money of loaded targets terminal pattern are discharged
Source.
6. device according to claim 5, it is characterised in that the pattern determining unit also includes：
Signal load unit, for the mapping of the pre-stored fingerprint template under each terminal pattern, fingerprint template and terminal pattern to be closed
System is loaded into internal memory；
Matching module, according to the fingerprint image to be measured, it is determined that the pre-stored fingerprint template matched with the fingerprint image to be measured；
Mode decision module, for the mapping relations according to the fingerprint template and terminal pattern, it is determined that with the pre-stored fingerprint
No. ID of the target terminal pattern of Template Map.
7. device according to claim 6, it is characterised in that the matching module is additionally operable to：
Fingerprint matching result is write in flag bit subregion.
8. according to any described devices of claim 5-7, it is characterised in that described device is additionally operable to：
According to the fingerprint matching result, unblock operation is performed to the terminal.
9. a kind of terminal pattern switches equipment, including fingerprint sensor, memory, processor and it is stored on the memory simultaneously
The computer program that can be run on the processor, it is characterised in that realized during the computing device said procedure following
Step, the step includes any methods described steps of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710406616.2A CN107133510A (en) | 2017-06-02 | 2017-06-02 | A kind of terminal pattern switching method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710406616.2A CN107133510A (en) | 2017-06-02 | 2017-06-02 | A kind of terminal pattern switching method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107133510A true CN107133510A (en) | 2017-09-05 |
Family
ID=59733494
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710406616.2A Pending CN107133510A (en) | 2017-06-02 | 2017-06-02 | A kind of terminal pattern switching method and device |
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| CN108319835A (en) * | 2018-01-31 | 2018-07-24 | 北京小米移动软件有限公司 | User's space access control method, device, equipment and storage medium |
| CN112351465A (en) * | 2019-08-08 | 2021-02-09 | 成都鼎桥通信技术有限公司 | Network mode switching method and device |
| CN112799497A (en) * | 2021-01-18 | 2021-05-14 | 北京小米移动软件有限公司 | Working mode control method and device of fingerprint module and storage medium |
| CN113553559A (en) * | 2020-04-26 | 2021-10-26 | 中移(成都)信息通信科技有限公司 | Unlocking method, device, equipment and computer storage medium |
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| CN113553559B (en) * | 2020-04-26 | 2024-03-19 | 中移(成都)信息通信科技有限公司 | Unlocking method, device, equipment and computer storage medium |
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| CN112799497B (en) * | 2021-01-18 | 2024-06-07 | 北京小米移动软件有限公司 | Fingerprint module working mode control method, fingerprint module working mode control device and storage medium |
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