WO2016062009A1

WO2016062009A1 - Unlocking method and device

Info

Publication number: WO2016062009A1
Application number: PCT/CN2015/075265
Authority: WO
Inventors: 赵世荣
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-10-24
Filing date: 2015-03-27
Publication date: 2016-04-28
Also published as: CN105590050A

Abstract

An unlocking method and device. The method comprises: changing randomly a default unlocking pattern in a terminal, the default unlocking pattern including a preset unlocking pattern for gesture unlocking; displaying the changed unlocking pattern on the terminal screen; when it is detected that the operation of a user on the changed unlocking pattern is in accordance with a preset operating condition, unlocking the terminal. The unlocking method of an embodiment of the present invention solves the problem of terminal information insecurity because the current unlocking method based on the unlocking pattern can leave unlocking traces of the user on the screen.

Description

Unlocking method and device

Technical field

This document relates to the field of terminal technologies, and in particular, to an unlocking method and device.

Background technique

In recent years, the touch screen industry has developed rapidly, and touch screens are widely used in various smart terminals. With the rapid improvement of electronic technology and software technology, the functions of intelligent terminals are becoming more and more powerful, and the privacy information contained is also increasing. This is especially true for terminals such as smart phones and tablets. In order to improve information security, everyone generally chooses The "screen lock" scheme, in which the gesture of unlocking the pattern is most convenient, is therefore used by most people; for example, in the setup phase, the terminal provides a fixed unlock pattern, and the user presets to unlock in the terminal. The unlocking path on the pattern, when the screen is lit, the screen displays the unlocking pattern, and the user draws a path on the unlocking pattern. When the terminal detects that the path swiped by the user matches the preset path, the user unlocks.

However, in the above unlocking method, when the user unlocks the gesture on the screen, the "mark" of the gesture unlocking is generally left on the screen, and as the number of unlocking increases, the "mark" becomes more and more obvious, so others get it. When the user has a smart terminal with a touch screen, a careful observation of the screen can be successfully unlocked. Therefore, with the current scheme of unlocking gestures in the unlock pattern, there is a great security risk.

Summary of the invention

The embodiment provides an unlocking method and device, which can solve the technical problem that the unlocking method based on the unlocking pattern temporarily leaves the user information unsafe on the screen.

To solve the above technical problem, an embodiment of the present invention provides an unlocking method, including the following steps:

Performing a random change on the preset unlocking pattern in the terminal, where the preset unlocking pattern includes a preset unlocking pattern for gesture unlocking;

Displaying the changed unlock pattern on the screen of the terminal;

When it is detected that the operation of the user on the changed unlock pattern conforms to a preset operating condition The terminal is unlocked.

Optionally, the step of randomly changing the preset unlock pattern in the terminal includes:

The shape and/or position of the preset unlock pattern to be displayed on the terminal screen is randomly changed.

Optionally, the step of randomly changing the shape and/or position of the preset unlocking pattern to be displayed on the terminal screen comprises:

Randomly changing the shape and/or position of the preset unlocking pattern displayed on the screen by randomly changing the position of the pattern element in the preset unlocking pattern, the position of the pattern element being that the pattern element is to be The location shown on the screen.

Optionally, when the shape of the preset unlocking pattern to be displayed on the terminal screen is randomly changed, the randomly changing the position of the pattern element in the preset unlocking pattern includes at least one of the following manners:

Shrinking or enlarging the spacing between pattern elements in the preset unlock pattern according to a random scale;

Moving a part of the pattern elements in the unlocking pattern in a predetermined direction according to a random offset;

The partial pattern element group in the unlock pattern is rotated at a random angle, wherein the partial pattern element group is composed of pattern elements located on the same straight line.

Optionally, the narrowing or enlarging the spacing between the pattern elements in the preset unlocking pattern according to a random ratio specifically includes:

Reduce or enlarge the spacing between each pattern element in the unlock pattern according to a random scale;

or

The spacing between the pattern elements in the partial pattern element group in the unlock pattern is reduced or enlarged according to a random scale, the partial pattern element group being composed of pattern elements located on the same straight line.

Optionally, when randomly changing a position where the preset unlock pattern is to be displayed on the screen, the step of randomly changing the position of the pattern element in the preset unlock pattern includes at least one of the following manners:

Moving all pattern elements in the unlocking pattern in a predetermined direction according to a random offset;

Rotating a corresponding pattern element group in the unlock pattern according to a random mirror rotation manner, the pattern A group of elements consists of pattern elements that are on the same line.

The preset unlocking pattern includes: an unlocking pattern composed of a dot matrix.

In order to solve the above technical problem, an embodiment of the present invention further provides an unlocking apparatus, including: a change module, a display module, and an unlocking module;

The change module is configured to randomly change a preset unlock pattern in the terminal, where the preset unlock pattern includes a preset unlock pattern for gesture unlocking;

The display module is configured to display a changed unlock pattern on a screen of the terminal;

The unlocking module is configured to unlock the terminal when it is detected that the operation of the user on the changed unlock pattern conforms to a preset operating condition.

Optionally, the variation module is configured to randomly change a shape and/or a position to be displayed on the terminal screen of the preset unlock pattern.

Optionally, the changing module is configured to randomly change a shape and/or a position of the preset unlocking pattern displayed on the terminal screen by randomly changing a position of the pattern element in the preset unlocking pattern, The position of the pattern element is the position at which the pattern element is to be displayed on the screen.

Optionally, the change module is configured to randomly change a shape that the preset unlock pattern is to be displayed on the screen in at least one of the following manners:

The partial pattern element group in the unlock pattern is rotated at a random angle, and the partial pattern element group is composed of pattern elements located on the same straight line.

The narrowing or enlarging the spacing between the pattern elements in the preset unlocking pattern according to a random ratio includes:

Reduce or enlarge the spacing between each pattern element in the unlock pattern according to a random scale; or

Optionally, the change module is configured to randomly change a position that the preset unlock pattern is to be displayed on the screen according to at least one of the following manners:

The corresponding pattern element group in the unlock pattern is rotated in a random mirror rotation manner, and the pattern element group is composed of pattern elements located on the same straight line.

The embodiment of the present invention further provides a computer readable storage medium, where the storage medium stores a computer program, the computer program includes program instructions, and when the program instruction is executed by the terminal device, the terminal device can perform the foregoing unlocking method. .

The beneficial effects of the embodiments of the present invention are:

The embodiment of the present invention provides an unlocking method and device, which can improve the information security of the terminal. Specifically, the unlocking method provided by the embodiment of the present invention randomly changes the preset unlocking pattern in the terminal, and the preset unlocking pattern includes a preset. And an unlocking pattern for gesture unlocking; displaying the changed unlocking pattern on the screen of the terminal; and detecting that the operation of the user on the changed unlocking pattern meets a preset operating condition, The terminal performs unlocking; by randomly changing the preset unlocking pattern, the unlocking pattern displayed each time is different, and the unlocking gesture on the unlocking pattern is different when the user unlocks each time, so even if left on the screen Unlock the trace, but the unlocking trace will not be clear due to the repeated same unlocking operation, and the unlocking trace left on the screen after multiple unlocking is also disordered, which can prevent others from playing the unlocking trace on the screen of the user terminal. The terminal unlocks and acquires the terminal information, and improves the hardware cost without increasing the hardware cost compared with the related technology. Information security terminal, can be applied to the terminal has been sold, wide range of applications.

BRIEF abstract

FIG. 1 is a schematic flowchart of an unlocking method according to Embodiment 1 of the present invention;

2 is a schematic diagram of an unlocking pattern according to Embodiment 2 of the present invention;

3 is a schematic diagram of establishing coordinates on an unlocking pattern according to Embodiment 2 of the present invention;

4 is a schematic diagram of overall zooming of a first unlocking pattern according to Embodiment 2 of the present invention;

FIG. 5 is a schematic diagram of an overall zooming of a second unlocking pattern according to Embodiment 2 of the present invention; FIG.

FIG. 6 is a schematic diagram showing a partial zooming of a first unlocking pattern according to Embodiment 2 of the present invention; FIG.

FIG. 7 is a schematic diagram showing a partial zooming of a second unlocking pattern according to Embodiment 2 of the present invention; FIG.

FIG. 8 is a schematic diagram showing a partial zooming of a third unlocking pattern according to Embodiment 2 of the present invention; FIG.

FIG. 9 is a schematic diagram showing a partial translation of a first unlocking pattern according to Embodiment 2 of the present invention; FIG.

FIG. 10 is a schematic diagram showing a partial translation of a second unlocking pattern according to Embodiment 2 of the present invention; FIG.

FIG. 11 is a schematic diagram showing a partial translation of a third unlocking pattern according to Embodiment 2 of the present invention; FIG.

12 is a schematic diagram showing a partial translation of a fourth unlocking pattern according to Embodiment 2 of the present invention;

FIG. 13 is a schematic diagram showing a partial rotation of a first unlocking pattern according to Embodiment 2 of the present invention; FIG.

14 is a schematic diagram showing a partial rotation of a second unlocking pattern according to Embodiment 2 of the present invention;

FIG. 15 is a schematic diagram of an overall translation of a first unlocking pattern according to Embodiment 2 of the present invention; FIG.

FIG. 16 is a schematic diagram of an overall translation of a second unlocking pattern according to Embodiment 2 of the present invention; FIG.

17 is a schematic diagram of a first type of changing an unlock pattern and a position according to a second embodiment of the present invention;

FIG. 18 is a schematic diagram showing a second change of shape and position of an unlock pattern according to Embodiment 2 of the present invention; FIG.

FIG. 19 is a schematic diagram of an unlocking trace left on a screen after the first unlocking according to Embodiment 2 of the present invention; FIG.

20 is a schematic diagram of a second unlocking trace left on the screen after unlocking according to Embodiment 2 of the present invention;

FIG. 21 is a schematic diagram of an unlocking trace left on a screen after a third unlocking according to Embodiment 2 of the present invention; FIG.

FIG. 22 is a schematic structural diagram of an unlocking device according to Embodiment 3 of the present invention.

Preferred embodiment of the invention

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments in the present application may be arbitrarily combined with each other. Additionally, although logical sequences are shown in the flowcharts, in some cases the steps shown or described may be performed in a different order than the ones described herein.

Embodiment 1:

Considering that the unlocking method based on the unlocking pattern currently leaves the terminal information unsafe on the screen, the terminal information is unsafe; the embodiment provides an unlocking method, which solves the problem by randomly changing the unlocking pattern and leaving on the screen. As shown in FIG. 1 , specifically, the method in this embodiment includes the following steps:

Step 101: Randomly change a preset unlock pattern in the terminal, where the preset unlock pattern includes a preset unlock pattern for gesture unlocking.

In this embodiment, the preset unlocking pattern is an unlocking pattern selected or set by the user in the terminal, and is used for the user to draw a gesture when the terminal is locked; for example, a nine-square unlocking pattern or other unlocking pattern composed of dots or other available The unlock pattern of the user's gesture.

Preferably, the randomly changing the preset unlocking pattern in the terminal in this step may specifically include:

The shape and/or position of the preset unlock pattern to be displayed on the screen is randomly changed.

That is to say, the scheme for randomly changing the unlock pattern in the mode of the embodiment includes the following three variants:

The first type changes the shape of the unlock pattern to be displayed on the screen.

For example, the unlock pattern is scaled or the position of some of the pattern elements in the unlock pattern is moved.

Second, the unlock pattern is randomly changed at the position to be displayed on the screen.

For example, the unlock pattern is translated in a certain direction, or rotated.

Third, the shape and position of the unlock pattern are randomly changed.

Preferably, in the unlocking method of the embodiment, one of the above three variations may be randomly selected to randomly change the unlock pattern.

Specifically, the method of the embodiment may randomly change the shape and/or position of the preset unlocking pattern displayed on the screen in the terminal by randomly changing the position of the pattern element in the preset unlocking pattern. The position of the pattern element is the position at which the pattern element is to be displayed on the screen.

That is to say, when the preset unlock pattern is composed of at least one pattern element, the display shape and/or position of the entire preset unlock pattern can be changed by randomly changing the display position of the pattern element.

Step 102: Display the changed unlock pattern on the screen of the terminal.

Step 103: When detecting that the operation of the user on the changed unlock pattern conforms to a preset operation condition, unlocking the terminal.

The unlocking method of this embodiment randomly changes the preset unlocking pattern so that the unlocking pattern displayed each time is different, and the unlocking gesture on the unlocking pattern is different when the user unlocks each time, so even on the screen. The unlocking trace left, but the unlocking trace is not clear due to the repeated same unlocking operation, and the unlocking trace left on the screen after multiple unlocking is also messy; preventing others from passing the unlocking trace on the screen of the user terminal The user terminal is unlocked and the terminal information is obtained. Compared with the related art, the information security of the terminal can be improved without increasing the hardware cost. In addition, the method in this embodiment can be applied to the terminal that has already been sold. Wide range of applications and practicality.

The following describes the specific implementation process of the method in this embodiment for randomly changing the shape of the preset unlocking pattern to be displayed on the screen and randomly changing the position of the preset unlocking pattern to be displayed on the screen (the position and shape described below are respectively described). Refers to the position and shape that will be displayed on the screen, and the unlock pattern described below refers to the preset unlock pattern):

A. Randomly change the shape of the unlock pattern:

When the shape of the unlocking pattern is randomly changed, the manner of randomly changing the position of the pattern element in the preset unlocking pattern in this embodiment includes at least one of the following manners:

In the A1 mode, the spacing between the pattern elements in the preset unlock pattern is reduced or enlarged according to a random scale.

This way is to change the shape of the unlocking pattern by overall or partial scaling of the unlocking pattern. Specifically, one of the following processes may be included:

A11. Reduce or enlarge the spacing between the individual pattern elements in the unlock pattern according to a random scale.

That is to say, the effect of scaling the unlock pattern is achieved by scaling the spacing between all the pattern elements in the unlock pattern. In this embodiment, the random ratio may be randomly selected in a preset ratio interval, and the preset ratio interval may be set according to the size of the terminal screen. For example, a solution to a circle The lock pattern is enlarged or reduced.

A12. The pitch between the pattern elements in the partial pattern element group in the unlock pattern is reduced or enlarged according to a random scale, and the pattern element group is composed of pattern elements located on the same straight line.

This process is to scale the partial spacing in the unlock pattern. For example, for a nine-square unlock pattern, a row, a column or a diagonal of the unlock pattern is scaled according to a random scale, that is, the zoom is located on a certain row, a column or a diagonal line. The spacing between points. Of course, it is also possible to scale multiple rows, columns, or multiple diagonals.

In the A2 mode, a part of the pattern elements in the unlock pattern are moved in a predetermined direction according to a random offset.

This way is to change the shape of the overall unlocking pattern by changing the position of a part of the pattern elements in the unlocking pattern. For example, a certain point in the unlock pattern or a point located on a certain row, a certain column or a diagonal line may be moved in a predetermined direction according to a random offset. Specific example: Move a preset point in the left, right, up and down direction of a point in the nine-square grid unlock pattern composed of dot matrix.

The random offset in this mode is set according to the size of the screen.

In the A3 mode, a partial pattern element group in the unlock pattern is rotated according to a random angle, and the pattern element group is composed of pattern elements located on the same straight line.

In this way, the shape of the pattern is changed by rotating the dots in the unlocking pattern. Specifically, the pattern elements located in a certain row, a certain column or a diagonal line in the unlocking pattern can be simultaneously rotated. For example, the first column in the nine-square grid unlock pattern is rotated at a random angle with the middle point as a circle. Of course, the method can also rotate a plurality of pattern element groups according to a random angle, for example, rotating the first row and the first column in the nine-square lattice unlock pattern according to a random angle.

The random angle in this mode is set according to the size of the screen.

It should be understood that the method of the present embodiment does not only change the shape of the unlocking pattern in the manner described above, but also may be other ways of changing the shape by randomly changing the position of the pattern element.

Preferably, at least one of the above three modes may be randomly selected when the shape of the preset unlocking pattern is changed arbitrarily.

B. Randomly change the position of the preset unlock pattern:

When the preset unlock pattern is to be randomly changed at a position to be displayed on the screen, The manner in which the position of the pattern element in the preset unlock pattern is randomly changed in the embodiment method may include at least one of the following manners:

In the B1 mode, all the pattern elements in the unlock pattern are moved in a predetermined direction according to a random offset.

This way is an overall translational unlocking pattern, such as panning the unlocking pattern up or down, ie changing the display position of the unlocking pattern on the screen.

In the B2 mode, the corresponding pattern element group in the unlock pattern is rotated in a random mirror rotation manner, and the pattern element group is composed of pattern elements located on the same straight line.

In this way, the position of the entire unlocking pattern is changed by rotating; specifically, the corresponding pattern element group in the unlocking pattern can be rotated in a random mirror rotation manner; in this embodiment, the mirror rotation mode refers to the corresponding pattern element that can be rotated. The group obtains the image unlocking pattern; and because the reference center of the rotation is different and/or the pattern element group that needs to be rotated is different, there are many mirror rotation modes; in this embodiment, one of the plurality of mirror rotation modes is randomly selected. The mirror rotation mode is used to rotate the corresponding pattern element group to obtain a mirror unlock pattern.

For example, if each row, each column of the unlock pattern, each group of elements in the same diagonal direction, and the like are rotated at an arbitrary point of 180°, and the points of the center are in a straight line, the whole is obtained. Unlocks the mirrored unlock pattern of the pattern.

Preferably, at least one of the above two methods may be randomly selected when the position of the preset unlocking pattern is changed casually.

C. randomly changing the shape and position of the preset unlocking pattern;

In this case, random changes in shape and position can be performed step by step, and random changes in shape and position can be simultaneously performed; in the stepwise step, each step can be changed by referring to the above method A or B.

The unlocking method provided in this embodiment can improve information security of the terminal.

Embodiment 2:

In this embodiment, the unlocking method described in the first embodiment is described in detail by taking the nine-square grid unlocking pattern as an example; as shown in FIG. 2, the first sub-picture in the figure is a nine-square grid unlocking pattern provided by the touch screen terminal, which is composed of nine A small circle is constructed in which the black frame is the edge of the touch screen; the following examples of the nine-square lattice unlock pattern are not described again. As shown in FIG. 3, for convenience of description, an "xy coordinate" is established on the basis of FIG. 2, and the above 9 small circles are numbered 1, 2 in order from "left to right, top to bottom". 3,9, assuming that the lateral and longitudinal distances between the adjacent small circles of the nine small circles are a, the coordinates of the second small circle are (0, a), and the coordinates of the sixth small circle are (a, 0), the coordinates of the fifth small circle are (0, 0), and the other points are not described one by one. In addition, the second, fourth, sixth, and eighth small circles are respectively on the x-axis or the y-axis. On the top, a small short line is drawn separately. The following refers to the example of the Jiugongge unlocking pattern (ie, Figure 3-21). The original coordinates of the 2nd, 4th, 6th, and 8th small circles are no longer marked, and only the short line is indicated. Its original location.

1. Randomly change the shape of the unlock pattern:

1. By scaling the unlock pattern as a whole:

The overall unlocking and releasing of the unlocking pattern means that the entire unlocking pattern is reduced or enlarged according to a random value within a certain range.

As shown in FIG. 4-5, FIG. 4 shows the unlock pattern obtained by the overall reduction; FIG. 5 shows the unlock pattern obtained by the overall enlargement.

In this embodiment, the unlock pattern is integrally contracted, that is, the x and y axis coordinates of the "9 small circles" of the "unlock pattern" are respectively multiplied by a random value between [n%, m]. The method for determining the value of n, m is: after considering the aesthetics, practicability and convenience of the "unlocking pattern", a random value within a certain range is adopted, and the maximum value should not exceed the edge of the touch screen, and the following random value acquisition has a similar description, no longer One by one.

It should be understood that:

When zooming the "unlock pattern", you can only zoom the distance between the "9 small circles" of the "unlock pattern". The "9 small circles" itself are not scaled; you can also scale the "unlocked pattern" of "9 small" The distance between the circle and the "9 small circles" itself;

When the overall "unlock pattern" is zoomed, the center point (ie, the 5th small circle) is generally used; when the "unlock pattern" is partially zoomed, the center point of a line is generally used, as shown in Figure 6, as shown in Figure 6. The circle is reduced. For zooming at a non-central point, it can generally be obtained by zooming and panning at the center point, and will not be explained or exemplified separately.

2. Zoom in by partially unlocking the pattern:

The unlocking pattern portion may be reduced or lowered by a certain row, a column or a diagonal direction of the unlocking pattern. The shrinking and releasing according to a random value in a certain range; the partial shrinking and releasing are also applicable to multi-row, multi-column, multi-diagonal direction shrinking and releasing.

Fig. 6 shows an "unlocking pattern" in which the rightmost column is reduced and the other portions are kept still; FIG. 7 shows that the third, fifth, and seventh small circles in the diagonal direction are enlarged, and the second and fourth small circles are reduced in parallel. Partially unlocked "unlocked pattern"; Figure 8 shows the "unlocked pattern" obtained by zooming in on the 5th and 5th small circles in the diagonal direction and keeping the other parts still.

The unlocking pattern is also relatively simple to achieve, and in the case of FIG. 7, the unlocking pattern of the figure can be implemented as follows:

a) multiply the x-axis and y-axis coordinates of the 3rd, 5th, and 7th small circles of the unlock pattern by a random value between (1, m);

b) Multiply the x-axis and y-axis coordinates of the 2nd and 4th small circles of the unlock pattern by a random value between [n%, 1).

3. By partially shifting the unlock pattern:

The partial shift of the unlock pattern is to translate a certain row, a column or a diagonal direction of the unlock pattern to the left, right, up, down, etc. according to a random value within a certain range; the partial shift is also applicable to multiple rows and multiples. Column, multi-diagonal direction translation.

Figure 9 shows the "unlocked pattern" obtained by shifting the rightmost column up and the other parts remain motionless; Figure 10 shows the "unlocked pattern" obtained by shifting the middle row to the right and the other parts remain motionless; Figure 11 shows the rightmost column panning upwards. The last line is shifted to the left, and the other parts remain untouched. The unlocking pattern is shown in Fig. 12, which shows that the 3rd, 5th, and 7th small circles are shifted to the lower left in the diagonal direction, and the other parts are kept still. ";

The unlocking pattern partial translation is described by taking FIG. 11 as an example to implement the method:

a) adding a random value between [n, m] to the rightmost column of the unlock pattern, that is, the y-axis coordinates of the 3rd, 6th, and 9th small circles;

b) Subtract the random value between [n, m] from the last row of the unlock pattern, ie the x-axis coordinates of the 7th, 8th, and 9th small circles.

4. By partially rotating the unlock pattern:

The partial rotation of the unlocking pattern is to make a certain row, a column, a diagonal direction of the unlocking pattern, etc. Any point is the center of the circle rotated according to a random angle within a certain range; partial rotation is also suitable for rotation of multiple rows, multiple columns, multiple diagonal directions. In particular, if each row, each column of the unlock pattern, each group of elements in the same diagonal direction, and the like are rotated at an arbitrary point of 180°, and the points of the center are in a straight line, then The mirrored unlock pattern of the entire unlock pattern.

Figure 13 shows the "unlocked pattern" in which the third small circle of the unlock pattern is rotated to the right by the angle α, and the other portions are kept stationary; Figure 14 shows the third, fifth, and seventh diagonal directions. The circle is the "unlocked pattern" in which the fifth small circle of the unlock pattern is rotated to the right by the β angle, and the other portions are kept still;

The unlocking pattern partial translation is described by taking FIG. 14 as an example to implement the method:

The 3rd, 5th, and 7th small circles in the diagonal direction are a random angle between the center of the unlocking pattern and the right side of the circle [n, m], assuming that the random angle is β, then the third The coordinates of the small circle can be calculated like this:

The third small circle rotates the β degree angle by the 5th small circle, so the third small circle to the fifth small circle has no change in distance and is assumed to be b (the relationship between b and a is: b*b=2* a*a), then the coordinates of the third small circle after the rotation of the β degree angle are (b*cos(β+45), b*sin(β+45)); similarly, the seventh small circle rotates β degrees. The coordinates after the angle are (-b*cos(β+45), -b*sin(β+45)).

Second, change the position of the unlock pattern on the screen:

1. Unlock the overall translation of the pattern:

The overall translation of the unlock pattern means that the entire unlock pattern is translated according to a random value within a certain range according to random values in a certain range to the left, right, up, and down directions.

Fig. 15 shows an "unlocking pattern" obtained by shifting the entire unlocking pattern to the upper right side; Fig. 16 shows an "unlocking pattern" obtained by shifting the entire unlocking pattern to the lower left.

The unlocking pattern partial translation is described by taking FIG. 15 as an example to implement the method:

Since FIG. 15 shows the "unlocking pattern" obtained by shifting the entire unlocking pattern to the upper right, it is assumed that the entire unlocking pattern of FIG. 15 is shifted to the right by a random value between [n, m], such as i, which is moved upward by [n, A random value between m], such as j, the new coordinates of the 9 small circles of the unlock pattern can be easily obtained, for example, the coordinates of the first small circle are (-a+i, a+j).

2. Unlock the pattern image:

If each row, each column of the unlock pattern, each group of elements in the same diagonal direction, and the like are rotated at an arbitrary point of 180°, and the points of the center are in a straight line, the entire unlock pattern is obtained. The unlocked pattern after mirroring.

Third, change the shape and position of the unlock pattern:

In this embodiment, the manners of the foregoing may be mixed with each other to implement the change of the shape, or the methods in the two cases may be mixed with each other to implement the change of the position. Similarly, the method may also be used in the embodiment. The one and two cases (i.e., changing position and shape) are mixed with each other to randomly change the unlock pattern.

For example, FIGS. 17-18 show the shape of the "unlock pattern" and the position on the screen at the same time changing the "screen lock" method, for example, reducing the "unlock pattern" and moving to the left as shown in FIG. 17; enlarging the "unlock pattern" And moving to the lower right corner, as shown in Fig. 18, since there are many "unlocking patterns" obtained by mixing with each other, they are not listed one by one.

The implementation method can be carried out in steps of mixing with each other, and the implementation method of each step can refer to the above one and two cases.

With the unlocking method of this embodiment, the information security of the terminal can be improved. Specifically, as shown in FIG. 19-21, the method of using the embodiment of the present invention and the use of the prior art touch screen to leave a fingerprint "mark" on the screen is compared, wherein the 19th is not left on the screen by using the method of the embodiment. Under the fingerprint "mark", since the "unlock pattern" is repeatedly slid, the fingerprint trace is very clear; FIG. 20 is the fingerprint left on the screen after unlocking the overall unlocked pattern (for example, as shown in FIG. 5). "Trace"; FIG. 21 is a fingerprint "mark" left on the screen after unlocking on the unlock pattern shown in FIG. 4-8, which can be seen by comparing the fingerprint traces of the three figures in FIGS. 19-21, and the embodiment is applied. After the method, the fingerprint "mark" left on the screen when unlocked is not clear because it is repeatedly slipped, and the fingerprint "mark" is also chaotic, so it can increase the fingerprint "mark on the screen when unlocking." "The difficulty of successfully unlocking the smart terminal.

Embodiment 3:

As shown in FIG. 22, the embodiment provides an unlocking apparatus, including a processor and a program storage device, and further includes: a change module, a display module, and an unlocking module;

The change module is adapted to randomly change a preset unlock pattern in the terminal, where the preset unlock pattern includes a preset unlock pattern for gesture unlocking;

The display module is adapted to display a changed unlock pattern on a screen of the terminal;

The unlocking module is adapted to unlock the terminal when detecting that the operation of the user on the changed unlock pattern conforms to a preset operating condition.

Preferably, the variation module is adapted to randomly change the shape and/or position that the preset unlock pattern is to be displayed on the screen in the terminal.

Preferably, the change module is adapted to randomly change the shape and/or position of the preset unlock pattern displayed on the screen by randomly changing the position of the pattern element in the preset unlock pattern. The position of the pattern element is the position at which the pattern element is to be displayed on the screen.

Preferably, the variation module is adapted to randomly change a shape that the preset unlock pattern is to be displayed on the screen in at least one of the following manners:

In the first manner, the spacing between the pattern elements in the preset unlocking pattern is reduced or enlarged according to a random scale;

In a second manner, a part of the pattern elements in the unlocking pattern are moved in a predetermined direction according to a random offset;

In a third mode, a partial pattern element group in the unlock pattern is rotated according to a random angle, and the pattern element group is composed of pattern elements located on the same straight line.

Preferably, the change module is configured to randomly change a position that the preset unlock pattern is to be displayed on the screen according to at least one of the following manners:

In the first manner, all the pattern elements in the unlock pattern are moved in a predetermined direction according to a random offset;

In the second mode, the corresponding pattern element group in the unlock pattern is rotated in a random mirror rotation manner, and the pattern element group is composed of pattern elements located on the same straight line.

The unlocking device of this embodiment randomly changes the preset unlocking pattern so that the unlocking pattern displayed each time is different, and the unlocking gesture on the unlocking pattern is different when the user unlocks each time, so even on the screen. The unlocking trace left, but the unlocking trace will not be the same due to iteration The unlocking operation is very clear, and the unlocking trace left on the screen after multiple unlocking is also disordered; preventing others from unlocking the user terminal through the unlocking trace on the screen of the user terminal, compared with related technologies, The information security of the terminal can be improved without increasing the hardware cost. In addition, the device of the embodiment can be applied to the terminal that has been sold, and has a wide application range and strong practicability.

One of ordinary skill in the art will appreciate that all or a portion of the steps described above can be accomplished by a program that instructs the associated hardware, such as a read-only memory, a magnetic or optical disk, and the like. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the foregoing embodiment may be implemented in the form of hardware or in the form of a software function module. The invention is not limited to any specific form of combination of hardware and software.

The invention may, of course, be embodied in a variety of other embodiments without departing from the spirit and scope of the invention. Changes and modifications are intended to fall within the scope of the appended claims.

Industrial applicability

The unlocking scheme provided in this embodiment randomly changes the preset unlocking pattern, so that the unlocking pattern displayed each time is different, and the clear unlocking trace is not left on the screen due to the same unlocking operation repeated by the user. The user is prevented from obtaining the unlocking information of the user terminal through the unlocking trace on the screen of the user terminal, and the information security of the terminal is improved and the utility is strong without increasing the hardware cost.

Claims

An unlocking method, including:

Performing a random change on the preset unlocking pattern in the terminal, where the preset unlocking pattern includes a preset unlocking pattern for gesture unlocking;

Displaying the changed unlock pattern on the screen of the terminal;

When it is detected that the operation of the user on the changed unlock pattern conforms to a preset operating condition, the terminal is unlocked.
The method of claim 1, wherein the step of randomly changing the preset unlock pattern in the terminal comprises:

The shape and/or position of the preset unlock pattern to be displayed on the terminal screen is randomly changed.
The method of claim 2, wherein the step of randomly changing the shape and/or position of the preset unlock pattern to be displayed on the terminal screen comprises:

Randomly changing the shape and/or position of the preset unlocking pattern displayed on the screen by randomly changing the position of the pattern element in the preset unlocking pattern, the position of the pattern element being that the pattern element is to be The location shown on the screen.
The method according to claim 3, wherein when the shape of the preset unlock pattern to be displayed on the terminal screen is randomly changed, the randomly changing the position of the pattern element in the preset unlock pattern includes the following manner At least one of:

Shrinking or enlarging the spacing between pattern elements in the preset unlock pattern according to a random scale;

Moving a part of the pattern elements in the unlocking pattern in a predetermined direction according to a random offset;

The partial pattern element group in the unlock pattern is rotated at a random angle, wherein the partial pattern element group is composed of pattern elements located on the same straight line.
The method of claim 4, wherein the step of reducing or enlarging the spacing between the pattern elements in the preset unlocking pattern according to a random scale comprises:

Reduce or enlarge the spacing between each pattern element in the unlock pattern according to a random scale;

Or

The spacing between the pattern elements in the partial pattern element group in the unlock pattern is reduced or enlarged according to a random scale, the partial pattern element group being composed of pattern elements located on the same straight line.
The method according to claim 3, wherein when the position where the preset unlock pattern is to be displayed on the screen is randomly changed, the step of randomly changing the position of the pattern element in the preset unlock pattern includes the following manner At least one of:

Moving all pattern elements in the unlocking pattern in a predetermined direction according to a random offset;

The corresponding pattern element group in the unlock pattern is rotated in a random mirror rotation manner, and the pattern element group is composed of pattern elements located on the same straight line.
The method of any of claims 1-6, wherein the preset unlock pattern comprises an unlock pattern consisting of a dot matrix.
An unlocking device includes: a change module, a display module and an unlocking module;

The change module is configured to randomly change a preset unlock pattern in the terminal, where the preset unlock pattern includes a preset unlock pattern for gesture unlocking;

The display module is configured to display a changed unlock pattern on a screen of the terminal;

The unlocking module is configured to unlock the terminal when it is detected that the operation of the user on the changed unlock pattern conforms to a preset operating condition.
The apparatus of claim 8, wherein the variation module is configured to randomly vary a shape and/or position to be displayed on the terminal screen of the preset unlock pattern.
The apparatus according to claim 9, wherein the variation module is configured to display a shape of the preset unlock pattern on the terminal screen by randomly changing a position of the pattern element in the preset unlock pattern. The position is randomly changed, and the position of the pattern element is the position at which the pattern element is to be displayed on the screen.
The apparatus of claim 10, wherein the variation module is configured to randomly change a shape that the preset unlock pattern is to be displayed on the screen in at least one of the following manners:

Shrinking or enlarging the spacing between pattern elements in the preset unlock pattern according to a random scale;

Moving a part of the pattern elements in the unlocking pattern in a predetermined direction according to a random offset;

The partial pattern element group in the unlock pattern is rotated at a random angle, and the partial pattern element group is composed of pattern elements located on the same straight line.
The apparatus according to claim 11, wherein the narrowing or enlarging the spacing between the pattern elements in the preset unlocking pattern according to a random scale comprises:

Reduce or enlarge the spacing between each pattern element in the unlock pattern according to a random scale;

or

The spacing between the pattern elements in the partial pattern element group in the unlock pattern is reduced or enlarged according to a random scale, the partial pattern element group being composed of pattern elements located on the same straight line.
The apparatus of claim 10, wherein the variation module is configured to randomly change a position at which the preset unlock pattern is to be displayed on the screen in at least one of the following manners:

Moving all pattern elements in the unlocking pattern in a predetermined direction according to a random offset;

The corresponding pattern element group in the unlock pattern is rotated in a random mirror rotation manner, and the pattern element group is composed of pattern elements located on the same straight line.
A computer readable storage medium storing a computer program, the computer program comprising program instructions, when the program instruction is executed by a terminal device, causing the terminal device to perform the method of any one of claims 1-7 .