CN103324897B - Safety certification method and user terminal based on multi-point touch - Google Patents
Safety certification method and user terminal based on multi-point touch Download PDFInfo
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- CN103324897B CN103324897B CN201210080844.2A CN201210080844A CN103324897B CN 103324897 B CN103324897 B CN 103324897B CN 201210080844 A CN201210080844 A CN 201210080844A CN 103324897 B CN103324897 B CN 103324897B
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Abstract
The embodiment of the invention provides a safety certification method and user terminal based on multi-point touch and relates to the field of safety technology. The safety certification method and the user terminal provided by the invention have the advantages that the multi-point touch is fully used, and the safety certification is simplified while the safety of the user terminal is improved. The method comprises the following steps: when the user touches the screen, acquiring the location information of at least two touch points; comparing the location information with pre-stored information, and if the error between the location information and the pre-stored information is within a specified range, removing the screen locking. The embodiment of the invention is used for carrying out safety certification by adopting multi-touch technology.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of safety certifying method and user terminal based on multi-point touch.
Background technology
Multi-point touch (Multi-Touch) is the interactive mode of operation of multiple spot on same display interface or multi-user,
The single-point mode of operation of keyboard, mouse is abandoned.Can be with least two of identifying user using the screen of Multi-Touch technologies
Click, touch that finger does simultaneously, therefore user can carry out touch operation by both hands or multiple fingers, for example, click,
The difference gesture Touch screens such as double-click, translation, pressing, rolling and rotation, realization is indiscriminately ad. as one wishes manipulated.
At present, Multi-Touch technologies are normally based on capacitive touch screen (Capacity Touch Panel, CTP)
Come what is realized, with the fast development of capacitance-type touch screen technology, Multi-Touch has more and more been applied to user terminal
Field, such as smart mobile phone and panel computer.
In the prior art, the safety certification of user terminal generally uses two methods, is cipher authentication and pattern authentication.
Wherein, cipher authentication is authentication method the most traditional, it is necessary to the specific password of user input is unlocked, but works as user cipher
It is easy to crack when length is shorter, security is not high, is difficult to crack when user cipher length is more long but easily forgets, therefore existing
In technology, for supporting that the user terminal of touch technology generally uses second authentication mode, i.e. pattern authentication, user is in unblock
When need to complete safety certification according to predetermined pattern slip by finger.
But, in the prior art, even in the system for supporting Multi-Touch, such as Android (Android) system
Or apple system (iPhone Operating System, iOS) still only make use of single-point touch when safety verification is carried out,
Multi-Touch technologies are not made full use of.And for pattern authentication, it is unfavorable when predetermined pattern is excessively complicated
In memory, user easily forgets, and if the certification pattern of user is compromised, others can also be according to certification pattern by being somebody's turn to do
The safety certification of user, the security of such user profile just cannot be guaranteed, and easily reveal individual privacy.
The content of the invention
Embodiments of the invention provide a kind of safety certifying method and user terminal based on multi-point touch, can be fully sharp
With multi-point touch, the security of user terminal is improve while safety certification is simplified.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
On the one hand, there is provided a kind of safety certifying method based on multi-point touch, including：
In user's Touch screen, the positional information of at least two touch points is obtained；
The positional information of at least two touch point is contrasted with prestored information, when the positional information with it is described
When the error of prestored information is in prescribed limit, removing screen locking.
On the other hand, there is provided a kind of user terminal, including：
Acquiring unit, in user's Touch screen, obtaining the positional information of at least two touch points.
Processing unit, the positional information of at least two touch point is contrasted with prestored information, when the position
When the error of information and the prestored information is in prescribed limit, removing screen locking.
Embodiments of the invention provide a kind of safety certifying method based on multi-point touch, and multiple spot can be made full use of to touch
Control, by obtaining the angle that the electric distance and multiple touch point between any two in multiple touch points surrounds the angle of figure, makes
User can give oneself special safety certification scheme of customization, and user need not memory cipher or pattern again, so as to pacify simplifying
The security of user terminal is improve while full certification.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet one of the safety certifying method based on multi-point touch provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet two of the safety certifying method based on multi-point touch provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet three of the safety certifying method based on multi-point touch provided in an embodiment of the present invention；
Fig. 4 is the schematic flow sheet four of the safety certifying method based on multi-point touch provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram one of touch point provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram two of touch point provided in an embodiment of the present invention；
Fig. 7 is the structural representation one of user terminal provided in an embodiment of the present invention；
Fig. 8 is the structural representation two of user terminal provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment one
The safety certifying method based on multi-point touch that the present invention is provided, as shown in figure 1, including：
S101, in user's Touch screen, obtain at least two touch points positional information.
S102, the positional information and prestored information of at least two touch points are contrasted, when positional information and the letter that prestores
When the error of breath is in prescribed limit, removing screen locking.
Wherein, the positional information of at least two touch points is the current location information of at least two touch points, or at least
The motion track information of at least one of two touch points.
The safety certifying method based on multi-point touch that embodiments of the invention are provided, can make full use of multi-point touch,
By obtaining the angle that the electric distance and touch point between any two in touch point surrounds the angle of figure, allow users to certainly
Oneself special safety certification scheme of customization, and user need not memory cipher or pattern again, so as to while safety certification is simplified
Improve the security of user terminal.
Embodiment two
The safety certifying method based on multi-point touch that the present invention is provided is the detailed protocol of embodiment one, as shown in Fig. 2
Including：
S201, obtain and store user's preset value set in advance.
Specifically, when user enables safety verification first, it is necessary to preset preset value.First, user will at least two
Root finger is put on the touchscreen, and system is then positioned to two touch points where finger, and obtains two coordinates of touch point.
The distance between two touch points are obtained according to two coordinates of touch point, finally the distance between two touch points is saved as
First prestores distance.
S202, in user's Touch screen, obtain at least two touch points positional information.
Exemplary, the positional information of touch point can be the coordinate of touch point, be generally for support multiple point touching
The system platforms such as system, such as Android or iOS use capacitive screen mostly, in user's finger Touch screen, due to people
Bulk electric field, finger can form a coupled capacitor with conductor interlayer, and the electric current that the side electrode of screen four can send respectively can flow to tactile
Touch a little, and electric current power is directly proportional to the distance of finger to electrode, using this characteristic, the controller after Touch screen is just
The strong and weak ratio of meeting calculating current accurately calculates the coordinate of touch point.
S203, the distance between touch point is obtained according to the coordinate of touch point.
S204, by the angle and predeterminable range and predetermined angle of the distance between touch point and angle carry out contrast release screen
Curtain locking.
Or, the embodiment of the present invention also provides another safety certifying method based on multi-point touch, as shown in figure 3, bag
Include：
S301, distance when obtaining user's Touch screen after the distance of two touch points and two touch points movements are simultaneously stored up
Save as preset value.
Then two touch points where finger are positioned in system, is obtained two coordinates of touch point and is touched according to two
After the coordinate touched a little obtains the distance between two touch points, user can be by sliding two fingers changes, two touch points
Coordinate, then obtains second distance, and this second distance is stored as into second and prestore distance according to the coordinate after movement.
S302, when user's Touch screen again, first obtain user's Touch screen when two the 3rd distances of touch point
And the 4th distance after two touch point movements.
S303, two the 3rd distances of touch point are contrasted with above-mentioned first distance that prestores, two touch points are moved
The 4th distance after dynamic is contrasted with above-mentioned second distance that prestores, when the 3rd distance with first prestore distance error in regulation
In the range of and the 4th distance with second prestore distance error also in prescribed limit when, you can unlock.
Wherein, the method for obtaining touch point coordinates is identical with step S202, repeats no more.
Further, the embodiment of the present invention also provides another safety certifying method based on multi-point touch, such as Fig. 4 institutes
Show, when touch point is three or more than three, including：
S401, the coordinate of the touch point of acquisition three or more than three, and the figure surrounded three touch points
The middle angle for obtaining at least one angle, then saves as pre-stored angle by the angle.
By the figure that three touch points are surrounded is triangle, therefore at most only need to calculate two number of degrees of angle just
The number of degrees of all angles of triangle can be obtained.Certainly, when there is more multiple touch points, (it is most that the upper limit of touch point depends on system
The touch points of support), surrounding figure can have more angles, and can be set according to user's needs needs to obtain angle
Angle number.That is, when user is in setting, touch point is more, and angle number is more, user needs in checking
The number of the angle of matching just can be more, and security is also higher.
Exemplary, three positions of touch point A, B, C are as shown in figure 5, A, B, C distance between any two are according to touch point
Coordinate is easy for drawing that ∠ α are the angle for needing to obtain angle, and its angle can also be easy to according to point coordinates is touched
Obtain.
S402, in user's Touch screen, obtain three coordinates of touch point, acquisition methods and the complete phases of step S202
Together, repeat no more.
S403, the distance according to three three touch points of coordinates acquisition of touch point between any two, and enclosed in touch point
Into figure in obtain the angle of at least one angle.
Exemplary, three positions of touch point D, E, F now are as shown in fig. 6, touch point distance root between any two
It is easy for drawing according to point coordinates is touched.
Now, angle when the required angle for obtaining angle must preset with user in step S401 is completely corresponding.
Therefore it is exemplary, as shown in Figure 5 in step 401, ∠ α be need obtain angle angle, then it is corresponding as shown in figure 4,
The required angle for obtaining angle is ∠ β during certification, and it with middle touch point is the angle on summit that ∠ α and ∠ β are.
S404, the angle and predeterminable range and predetermined angle of three touch points distance between any two and angle are carried out it is right
Than when the angle of touch point distance between any two and angle and the error of predeterminable range and predetermined angle are in the error model of regulation
When enclosing interior, removing screen locking.
It is exemplary, as shown in Figure 5, Figure 6, contrast respectively the distance of DE and the distance of AB, the distance of the distance of EF and BC,
The distance of DF and the distance of AC, and contrast the angular dimension of ∠ β and ∠ α, when distance and the distance of AB, the distance of EF and BC of DE
Distance and DF distance and AC distance error in the error range of regulation, and the angle of ∠ β and ∠ α error
When in the error range of regulation, system is allowed through safety certification, removing screen locking.
Because everyone finger length and thickness are different, so that each user is in Touch screen, touch
It is also different that the distance between point and touch point surround the angle of figure and other user, and such user just can basis
The hand of oneself is oneself special unblock scheme of customization.And password need not be input in releasing process or is produced by sliding
Raw pattern, it is to avoid because password or the unlocking pattern are forgotten or leakage and the trouble that is caused to user and loss, in simplification
The security of user terminal is improve while safety certification.
Further, another safety certifying method based on multi-point touch provided in an embodiment of the present invention, including：
S501, the motion track information for obtaining at least one of at least two touch points.
Exemplary, obtain the radian and half of the circular arc that a touch point is rotated and formed centered on another touch point
Footpath.
Specifically, when user with a fixed finger be axle, another finger around the axle draw camber line on screen when, obtain
Take the coordinate of touch point where fixed finger and rotate the initial coordinate of the touch point of finger and terminate coordinate, then according to solid
Determine the coordinate of touch point where finger and rotate the initial coordinate of the touch point of finger and terminate coordinate to calculate above-mentioned circular arc
Radius and radian.
S502, the radius and radian and pre-set radius and default radian of circular arc are contrasted, when radian and default radian
Error in prescribed limit and radius and pre-set radius error also in prescribed limit when, removing screen locking.Wherein, exist
When using first, the establishing method of the pre-set radius and default radian is identical with the method in step S501, repeats no more.
The safety certifying method based on multi-point touch that embodiments of the invention are provided, can make full use of multi-point touch,
By obtaining the angle that the electric distance and touch point between any two in touch point surrounds the angle of figure, allow users to certainly
Oneself special safety certification scheme of customization, and user need not memory cipher or pattern again, so as to while safety certification is simplified
Improve the security of user terminal.
Embodiment three
A kind of user terminal 01 of the embodiment of the present invention, as shown in fig. 7, comprises：
Acquiring unit 011, in user's Touch screen, obtaining the positional information of at least two touch points.
Processing unit 012, the positional information of at least two touch points and prestored information are contrasted, when positional information with
When the error of prestored information is in prescribed limit, removing screen locking.
Further, as shown in figure 8, user terminal 01 can also include：
Setup unit 013, for obtaining and stores user's preset value set in advance, the preset value include first it is default away from
From, the second predeterminable range, default radian, pre-set radius and predetermined angle.
Specifically, acquiring unit 011 is additionally operable to obtain the coordinate of at least two touch points；
Processing unit 012 is additionally operable to obtain the distance between touch point according to the coordinate of at least two touch points, and will touch
Touch and the distance between a little contrasted with the first predeterminable range, when the distance between touch point exists with the error of the first predeterminable range
When in prescribed limit, removing screen locking.
Further, acquiring unit 011 is additionally operable to obtain the coordinate after the movement of at least two touch points；
Processing unit 012 be additionally operable to the coordinate after the movement according at least two touch points obtain touch point between second
Distance, when the error of the second distance between touch point and the second predeterminable range is in prescribed limit, removing screen locking.
Further, acquiring unit 011 is additionally operable to, when having three or more than three touch points, be enclosed in touch point
Into figure in obtain the angle of at least one angle；
Processing unit 012 is additionally operable to be contrasted the angle of angle and predetermined angle, when the angle and preset angle of angle
When the error of degree is in the error range of regulation, removing screen locking.
Further, acquiring unit 011 be additionally operable to obtain a touch point rotated centered on another touch point and
The radian and radius of the circular arc of formation；
Processing unit 012 is additionally operable to be contrasted the radian of circular arc with default radian, and radius is carried out with pre-set radius
Contrast, when radian and default radian error in prescribed limit and radius and pre-set radius error also in prescribed limit
When, removing screen locking.
The present invention is that the user terminal that example is provided can be mobile eventually mobile phone, PDA, panel computer, notebook computer etc.
End, or the terminal with the desktop computer of touch-screen or other support multi-point touch.
The user terminal that embodiments of the invention are provided, can make full use of multi-point touch, by obtaining touch point electricity two
The distance between two and touch point surround figure angle angle, allow users to recognize to oneself the special safety of customization
Card scheme, and user need not memory cipher or pattern again, so as to improve the peace of user terminal while safety certification is simplified
Quan Xing.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of including above method embodiment is performed；And foregoing storage medium includes：ROM(Read Only
Memory, read-only storage), RAM (Random Access Memory, random access memory), magnetic disc or CD etc. are various can
With the medium of store program codes.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (4)
1. a kind of safety certifying method based on multi-point touch, it is characterised in that including：
In user's Touch screen, the positional information of at least three touch points, the position letter of at least three touch point are obtained
It is the current location information of at least three touch point to cease；
The positional information of at least three touch point is contrasted with prestored information, when the position of at least three touch point
When confidence is ceased with the error of the prestored information in prescribed limit, removing screen locking；
Also included before removing screen locking：
The angle of at least one angle is obtained in the figure that touch point is surrounded；
The angle of the angle and predetermined angle are contrasted, when the angle of the angle and the error of predetermined angle are in regulation
Error range in when, removing screen locking.
2. method according to claim 1, it is characterised in that at least three touch points of the acquisition positional information it
Before, also include：
User's preset value set in advance is received and stores, the preset value includes the predetermined angle.
3. a kind of user terminal, it is characterised in that including：
Acquiring unit, in user's Touch screen, obtaining the positional information of at least three touch points, described at least three touch
The positional information touched a little is the current location information of at least three touch point；
Processing unit, for the positional information of at least three touch point to be contrasted with prestored information, when it is described at least
When the error of three positional informations of touch point and the prestored information is in prescribed limit, removing screen locking；
The acquiring unit, was additionally operable to before removing screen locking, and at least one is obtained in the figure that touch point is surrounded
The angle of angle；The processing unit, is additionally operable to be contrasted the angle of the angle and predetermined angle, when the angle
When the error of angle and predetermined angle is in the error range of regulation, removing screen locking.
4. user terminal according to claim 3, it is characterised in that also include：
Setup unit, for obtaining and stores user's preset value set in advance, and the preset value includes the predetermined angle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210080844.2A CN103324897B (en) | 2012-03-23 | 2012-03-23 | Safety certification method and user terminal based on multi-point touch |
Applications Claiming Priority (1)
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| CN201210080844.2A CN103324897B (en) | 2012-03-23 | 2012-03-23 | Safety certification method and user terminal based on multi-point touch |
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| CN103324897B true CN103324897B (en) | 2017-05-24 |
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| CN104283877B (en) * | 2014-09-30 | 2018-11-09 | 腾讯科技（深圳）有限公司 | Auth method and device |
| CN104966016B (en) * | 2015-06-12 | 2018-09-04 | 西安交通大学 | Mobile terminal child user cooperatively judges and the method for limitation operating right |
| CN106326697A (en) * | 2015-07-10 | 2017-01-11 | 西安中兴新软件有限责任公司 | User identity authentication method and terminal |
| CN105320862B (en) * | 2015-10-27 | 2018-07-24 | 上海斐讯数据通信技术有限公司 | A kind of electronic equipment and its function operation method of application |
| CN105426722A (en) * | 2015-11-17 | 2016-03-23 | 厦门美图移动科技有限公司 | Device and method for unlocking mobile terminal |
| CN107315935B (en) * | 2016-04-27 | 2022-03-25 | 中兴通讯股份有限公司 | Multi-fingerprint identification method and device |
| CN105975823A (en) * | 2016-05-05 | 2016-09-28 | 百度在线网络技术（北京）有限公司 | Verification method and apparatus used for distinguishing man and machine |
| CN106503504A (en) * | 2016-10-19 | 2017-03-15 | 广东欧珀移动通信有限公司 | A kind of unlocking method and device |
| WO2019108129A1 (en) * | 2017-12-01 | 2019-06-06 | Make Studios Pte. Ltd. | A system and method for determining a task to be triggered on a mobile device |
| CN108092987A (en) * | 2017-12-27 | 2018-05-29 | 苏州亿柏嘉软件技术有限公司 | A kind of verification system and its verification method |
| CN109101132A (en) * | 2018-08-07 | 2018-12-28 | 锐达互动科技股份有限公司 | A kind of method that conventional teaching is switched fast with electronic white board projection teaching |
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