CN112381545A - Identity authentication method, device, equipment and storage medium - Google Patents
Identity authentication method, device, equipment and storage medium Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
- G06Q20/4014—Identity check for transactions
- G06Q20/40145—Biometric identity checks
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
Abstract
The invention discloses an identity authentication method, an identity authentication device, identity authentication equipment and a storage medium, wherein when the identity of a user is authenticated, a touch area where the user touches a terminal display screen is obtained, the area characteristic of the touch area is determined, and when the area characteristic meets a preset authentication condition, the identity of the user is judged to pass authentication.
Description
Technical Field
The present invention relates to the field of identity authentication technologies, and in particular, to an identity authentication method, apparatus, device, and storage medium.
Background
Currently, a fingerprint detection function is commonly used on a mobile terminal and is used for unlocking the mobile terminal, mobile payment and the like; in order to realize functions of unlocking a mobile terminal, mobile payment and the like, the mobile terminal is required to be provided with a fingerprint sensor, the sensor generally adopts a surface wave reflection mode and the like to collect fingerprints, and the detection precision and the finger pressing degree have a certain relation.
The mobile terminals produced in the early period mostly do not have the sensor, and the fingerprint function is usually omitted for some middle and low-end devices due to the production cost, so that the convenience and fashion of the fingerprint function cannot be experienced for the devices.
On the other hand, although the middle and high-end equipment is provided with the fingerprint sensor at present but the position of the equipment is fixed, a user needs to put a finger on a specified position, and the use is sometimes limited by the operation and the finger of the user, so that the convenience is occasionally brought.
Disclosure of Invention
Embodiments of the present invention provide an identity authentication method, apparatus, device, and storage medium, which can perform identity authentication on a user through a touch area touched by the user on a display screen on a terminal without a fingerprint sensor, thereby implementing functions such as screen unlocking or mobile payment.
In order to achieve the above object, an embodiment of the present invention provides an identity authentication method, which is applied to a terminal, and includes the following steps:
when the identity of a user is verified, acquiring a touch area of the terminal display screen touched by the user;
determining area characteristics of the touch area;
and when the area characteristics meet preset verification conditions, judging that the identity of the user passes the verification.
Further, the touch area comprises a first area corresponding to a single touch of a user;
the determining the area characteristics of the touch area specifically includes:
and taking the area of the first area corresponding to the single touch of the user as the area characteristic of the touch area.
Further, the taking the area of the first region corresponding to the single touch of the user as the region feature of the touch region specifically includes:
if the first area is a connected area, taking the area of the connected area as the area characteristic of the touch area;
and if the first area comprises a plurality of communication areas, taking the area of the largest communication area in the plurality of communication areas as the area characteristic of the touch area.
Further, when the area feature satisfies a preset verification condition, it is determined that the identity of the user passes verification, specifically:
and when the area characteristic is larger than a preset area threshold value, determining that the area characteristic meets a preset verification condition, and judging that the identity of the user passes the verification.
Further, the touch area comprises a plurality of second areas which are respectively corresponding to the continuous multiple times of touch of the user;
the determining the area characteristics of the touch area specifically includes:
and taking the area change rate of the plurality of second areas respectively corresponding to the continuous multi-time touch of the user as the area characteristic.
Further, the taking the area change rate of the plurality of second areas respectively corresponding to the plurality of continuous touches of the user as the area feature specifically includes:
if the second area corresponding to each touch is a connected area, taking the area change rate of the connected area corresponding to the continuous two touches as the area characteristic every time the continuous two touches are detected;
and if the second area corresponding to each touch comprises a plurality of connected areas, taking the area change rate between the minimum connected area in the plurality of connected areas corresponding to the first touch in the two continuous touches and the maximum connected area in the plurality of connected areas corresponding to the second touch as the area characteristic when two continuous touches are detected.
Further, when the area feature satisfies a preset verification condition, it is determined that the identity of the user passes verification, specifically:
and when the area characteristic is larger than a preset change rate threshold value, determining that the area characteristic meets a preset verification condition, and judging that the identity of the user passes the verification.
As a preferred embodiment of the present invention, an embodiment of the present invention further provides an identity authentication apparatus, which includes an obtaining module, a feature confirming module, and an executing module;
the acquisition module is used for acquiring a touch area of a user touching the terminal display screen when the user identity is verified;
the characteristic confirming module is used for confirming the area characteristics of the touch area;
and the execution module is used for judging that the identity of the user passes the verification when the region characteristics meet the preset verification conditions.
In order to solve the same technical problem, the present invention further provides an authentication device, which includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the memory is coupled to the processor, and the processor implements any one of the authentication methods when executing the computer program.
In order to solve the same technical problem, the present invention further provides a computer-readable storage medium, where a computer program is stored, where the computer program, when running, controls a device in which the computer-readable storage medium is located to execute any one of the authentication methods.
The embodiment of the invention provides an identity authentication method, an identity authentication device, identity authentication equipment and a storage medium, wherein when the identity of a user is authenticated, a touch area of the terminal display screen touched by the user is obtained, the area characteristic of the touch area is determined, and when the area characteristic meets a preset authentication condition, the identity of the user is judged to pass authentication; in addition, the confidentiality and the safety of the identity authentication are improved by presetting the authentication conditions by the user, the extra cost for configuring the fingerprint sensor is saved, the cost of the identity authentication is reduced, the identity authentication does not need to be carried out at a fixed position of a screen, the use is more convenient, and the convenience of the identity authentication of the user is improved.
Drawings
Fig. 1 is a schematic flow chart of a first embodiment of an identity authentication method according to an embodiment of the present invention;
fig. 2a is a schematic flow chart of a second embodiment of the identity authentication method according to the embodiment of the present invention;
2b-2d are schematic diagrams of a touch process of a user touching a display screen of a terminal at a single time in the authentication method according to the embodiment of the present invention;
fig. 3a is a schematic flow chart of an authentication method according to a third embodiment of the present invention;
3b-3g are schematic diagrams of a touch process of a user touching a display screen of a terminal for multiple times in the authentication method according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of an authentication apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a first embodiment of an authentication device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second embodiment of an authentication device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic flow chart of a first embodiment of an identity verification method provided in an embodiment of the present invention, which is applied to a terminal, and a specific flow of the identity verification method may be as follows:
and S101, acquiring a touch area of the user touching the terminal display screen when the user identity is verified.
In this embodiment, the authentication is not limited to be used when the terminal screen is unlocked or mobile payment is performed, and the user can customize and set what operation needs to be performed when the authentication is performed.
The touch area where the user touches the display screen of the terminal is a touch area formed by continuous touch points generated when the user's finger touches the display screen.
And step S102, determining the area characteristics of the touch area.
In one aspect, the touch area includes a first area corresponding to a single touch by a user.
For example, step S102 may specifically be:
and taking the area of the first area corresponding to the single touch of the user as the area characteristic of the touch area.
It should be noted that the single touch refers to an operation in which a user touches the display screen of the terminal at the same time, and then the terminal detects a touch area where the user contacts the display screen according to the operation in which the user touches the display screen of the terminal, and uses all touch areas where the user contacts the display screen at the same time as a first area, where one or more touch areas may exist in the first area, and a specific touch condition between the user and the display screen of the terminal is described in detail in the following embodiments.
In this embodiment, a touch area formed by continuous touch points generated by a single touch of a finger of a user on the display screen is a first area, and an area corresponding to the first area is used as an area feature, that is, the area of the first area formed by the continuous touch points generated by the single touch of the finger of the user on the display screen is used as the area feature.
Preferably, the taking the area of the first region corresponding to a single touch of the user as the region feature of the touch region specifically further includes:
if the first area is a connected area, taking the area of the connected area as the area characteristic of the touch area;
and if the first area comprises a plurality of communication areas, taking the area of the largest communication area in the plurality of communication areas as the area characteristic of the touch area.
It should be noted that, in the plurality of communication areas, each communication area is not communicated with each other, and each communication area is composed of a plurality of continuous touch points.
In the embodiment of the invention, one or more connected areas can be generated by the single touch of the user finger on the display screen, so that when one connected area is generated by the single touch of the user finger on the display screen, the area of the connected area is used as the area characteristic, and the subsequent authentication only needs to verify the connected area.
When a user touches the display screen once to generate a plurality of connected regions, the connected region with the largest region area is selected from the plurality of connected regions to serve as the region characteristic, and subsequent verification only needs to verify the region corresponding to the connected region with the largest region area.
In another aspect, the touch areas include a plurality of second areas respectively corresponding to a plurality of consecutive touches by the user.
For example, step S102 may specifically include:
and taking the area change rate of the plurality of second areas respectively corresponding to the continuous multi-time touch of the user as the area characteristic.
In this embodiment, by using the area change rate as the area characteristic, different verification conditions are provided for the user as selections, so that the user experience is improved.
It should be noted that a time limit is set between every two consecutive touches in the consecutive multiple touches, the time limit can be set in advance by a user, the terminal is determined to be the consecutive multiple touches only when the user touches the terminal display screen within a preset time, if the user does not touch the terminal display screen within the preset time, the terminal automatically determines that the fingerprint acquisition stage of the authentication is finished, the touch area corresponding to the touch area of the user touching the display screen is not acquired any more, and the terminal enters the next stage, namely the authentication stage, so that the user needs to touch the display screen again within 2s of the preset time after the user touches the display screen for the previous time, and the terminal determines to be the consecutive multiple touches.
The method comprises the steps that a user continuously touches a terminal display screen for multiple times, so that the terminal can acquire multiple touch areas generated by multiple times of contact between fingers of the user and the screen, area areas corresponding to the touch areas acquired for two times continuously are compared, for example, the difference obtained by subtracting the smaller area from the larger area in the area areas acquired for two times continuously is divided by the smaller area and multiplied by 100%, the area change rate is obtained, and the area change rate is used as an area characteristic.
Preferably, the area change rate of the plurality of second areas respectively corresponding to the plurality of continuous touches by the user is used as the area feature, specifically:
if the second area corresponding to each touch is a connected area, taking the area change rate of the connected area corresponding to the continuous two touches as the area characteristic every time the continuous two touches are detected;
and if the second area corresponding to each touch comprises a plurality of connected areas, taking the area change rate between the minimum connected area in the plurality of connected areas corresponding to the first touch in the two continuous touches and the maximum connected area in the plurality of connected areas corresponding to the second touch as the area characteristic when two continuous touches are detected.
In the embodiment of the invention, one or more connected regions may be generated when the user finger touches the display screen each time, each connected region is composed of a plurality of continuous touch points, so that when only one connected region is generated when the user finger touches the display screen each time, the difference obtained by subtracting the area of the region with the smaller area from the area of the region with the larger area of the connected region in two continuous touches is divided by the area of the region with the smaller area and multiplied by 100%, thereby obtaining the region area change rate, and the region area change rate is taken as the region characteristic.
When a plurality of connected areas are generated by touching the display screen by a finger of a user every time, determining a minimum connected area in the plurality of connected areas corresponding to the first touch in two continuous touches, determining a maximum connected area in the plurality of connected areas corresponding to the second touch, dividing a difference obtained by subtracting the area corresponding to the minimum connected area by the area corresponding to the minimum connected area and multiplying the area by 100% to obtain an area change rate, taking the area change rate as the area characteristic, and verifying the area change rate only by subsequent verification.
And step S103, when the area characteristics meet preset verification conditions, judging that the identity of the user passes the verification.
In this embodiment, the preset authentication condition is preset by the user, which means that only the user knows what the authentication condition is, so that others cannot know the authentication condition set by the user, thereby increasing the security of the authentication.
In one aspect, step S103 may specifically be:
and when the area characteristic is larger than a preset area threshold value, determining that the area characteristic meets a preset verification condition, and judging that the identity of the user passes the verification.
In the embodiment of the invention, the user sets the verification condition in advance to pass the verification only when the area of the area where the finger is in contact with the screen is larger than the area of the touch area where the finger is in contact with the screen and is stored by the user in advance, such as 2 square centimeters, so that the user only needs to press the terminal screen to enable the terminal to obtain a larger touch area when knowing that the identity verification is carried out, and the identity verification can be passed only when the touch area is larger than 2 square centimeters, therefore, the identity verification method provided by the embodiment of the invention increases the confidentiality and the safety of the identity verification.
If the embodiment of the invention is applied to mobile payment, when the terminal needs to pay, the screen of the terminal displays a prompt for carrying out identity verification, the touch area of the finger touch display screen of the user is obtained through the contact between the finger of the user and the screen of the terminal, the verification is passed according to the verification condition preset by the user, namely the touch area is larger than 2 square centimeters, the area corresponding to the touch area of the finger touch display screen of the user is verified, when the area is larger than 2 square centimeters, namely the area characteristic meets the preset verification condition, the identity of the user is judged to be verified, and the payment is finished.
On the other hand, step S103 may specifically be:
and when the area characteristic is larger than a preset change rate threshold value, determining that the area characteristic meets a preset verification condition, and judging that the identity of the user passes the verification.
In the embodiment of the invention, the user sets the verification condition in advance as that the user needs to make multiple contact with the screen, and can pass the authentication only when the change rate of the area of the touch area caused by the continuous two-time contact of the screen is larger than the preset change rate threshold value of the user, such as 20 percent, so that the user needs to make continuous press-loosening operation on the terminal screen during the authentication, so that the terminal can detect that the change rate of the area caused by the continuous two-time contact of the finger and the terminal screen exceeds 20 percent, the authentication can be passed, the change rate of the area caused by the continuous two-time contact of the finger and the terminal screen exceeds 20 percent, and the verification mode that the time interval between the continuous two-time contact of the finger and the terminal screen needs to be within the preset time, such as 2 seconds, is set by the user himself, and other people only see the press-loosening operation of the finger on the display screen of the terminal, the specific authentication conditions are not known, so the confidentiality and the safety of the authentication are greatly improved, and the user can use the system safely.
If the embodiment of the invention is applied to unlocking the screen, when the screen of the terminal is awakened, the screen of the terminal displays a prompt for carrying out identity verification, the area change rate caused by continuous twice touch of the finger of the user on the display screen is obtained through multiple contact of the finger of the user and the screen of the terminal, then the area change rate is verified by passing verification according to the verification condition preset by the user, namely when the area change rate exceeds 20%, namely when the area characteristic meets the preset verification condition, the identity of the user is judged to pass verification, and the screen of the terminal is unlocked.
In summary, the identity verification method provided by the embodiment of the present invention is applied to a terminal, and when verifying the identity of a user, a touch area where the user touches a display screen of the terminal is obtained, and an area characteristic of the touch area is determined, and when the area characteristic meets a preset verification condition, it is determined that the identity of the user passes verification; in addition, the confidentiality and the safety of the identity authentication are improved by presetting the authentication conditions by the user, the extra cost for configuring the fingerprint sensor is saved, the cost of the identity authentication is reduced, the identity authentication does not need to be carried out at a fixed position of a screen, the use is more convenient, and the convenience of the identity authentication of the user is improved.
As a preferred embodiment of the present invention, the user may further preset a touch duration to perform the identity authentication together with the identity authentication method provided in any of the above embodiments, that is, the user can pass the identity authentication only when the touch duration exceeds the preset touch duration and the conditions of the identity authentication method provided in any of the above embodiments are met.
For example, when the touch duration exceeds 2s and the area of the touch area exceeds 2 square centimeters are combined to form an authentication condition, and the user needs to perform authentication when the screen of the terminal is unlocked, the user needs to press the finger forcefully when the terminal screen is awakened, so that the terminal can detect that the area of the contact between the finger and the terminal screen exceeds 2 square centimeters, and meanwhile, the terminal can detect that the touch duration of the contact between the finger and the terminal screen exceeds 2s, and can pass the authentication, thereby unlocking the screen of the terminal. By adopting the embodiment provided by the invention, the safety and the confidentiality of the identity authentication are further improved.
In another embodiment of the present invention, the description will be made from the perspective of an authentication device, and in particular, the detailed description will be made by taking an example in which the authentication device is integrated in a terminal.
Referring to fig. 2a, fig. 2a is a schematic flowchart of a second embodiment of the identity authentication method according to the embodiment of the present invention, which is applied to a terminal, and the specific flow may be as follows:
step S201, when the terminal verifies the identity of the user, a touch area of the user touching the terminal display screen is obtained.
In this embodiment, the authentication performed in the terminal is not limited to be performed when the screen is unlocked or the mobile payment is performed, and the authentication may be performed when what operation is performed through the terminal customization setting.
The touch area acquired by the terminal is a touch area formed by continuous touch points generated when the user's finger touches the display screen.
Step S202, if the first area corresponding to a single touch by the user is a connected area, taking an area of the connected area as an area feature of the touch area.
Step S203, if the first area corresponding to a single touch by the user includes a plurality of connected areas, taking an area of a largest connected area of the plurality of connected areas as an area feature of the touch area.
It should be noted that, in the plurality of communication areas, each communication area is not communicated with each other, and each communication area is composed of a plurality of continuous touch points.
In the embodiment of the present invention, please refer to fig. 2b-2d, where fig. 2b-2d are schematic diagrams of a touch process in which a user touches a display screen of a terminal at a single time in an authentication method provided in the embodiment of the present invention, as shown in fig. 2b, when a finger of the user touches the display screen of the terminal 20 at a single time, so that the terminal 20 detects that the finger of the user contacts the display screen to generate a connected region 21, the connected region 21 is used as a region feature, and the connected region 21 is authenticated during subsequent authentication.
As shown in fig. 2c, when a user finger touches the display screen of the terminal 20 once, so that the terminal 20 detects a plurality of connected regions 22-24 generated by the contact between the user finger and the display screen, the terminal 20 selects the connected region 23 with the largest region area among the plurality of connected regions 22-24 as a region feature, and during subsequent authentication, the terminal 20 only needs to authenticate the area corresponding to the connected region 23 with the largest region area, so that even if the user touches the display screen once to generate a plurality of connected regions, the terminal 20 can still authenticate the user, thereby greatly improving user experience.
Step S204, when the area characteristic is larger than a preset area threshold, the terminal determines that the area characteristic meets a preset verification condition, and judges that the identity of the user passes the verification.
In the embodiment of the invention, the user can set the authentication condition in advance through the terminal, and the authentication can be passed only when the area of the area where the finger is in contact with the screen is larger than the area of the touch area where the finger is in contact with the screen and is stored by the user in advance, such as 2 square centimeters, so that the user only needs to press the terminal screen to enable the terminal to obtain a larger touch area when knowing that the authentication is carried out, and the identity authentication can be passed only when the touch area is larger than 2 square centimeters, therefore, the identity authentication method provided by the embodiment of the invention increases the confidentiality and the safety of the identity authentication.
As shown in fig. 2b and 2d, if the embodiment of the present invention is applied to mobile payment, when payment is needed, a screen of the terminal 20 displays a prompt for requesting authentication, the terminal 20 obtains a connected region 21 generated by a finger of a user touching the display screen through contact between the finger of the user and the screen of the terminal 20, and can pass authentication only when a touch region 25 with a size larger than 2 square centimeters is touched according to a preset authentication condition of the user, and performs size comparison authentication on a region area corresponding to the connected region 21, and when the area corresponding to the connected region 21 is larger than the authentication region 25 with a size larger than 2 square centimeters, that is, when a region characteristic satisfies the preset authentication condition, the terminal 20 determines that the identity of the user passes authentication, and completes payment.
As a preferred embodiment of the present invention, the user may further preset a touch duration to perform the identity authentication together with the identity authentication method provided in any of the above embodiments, that is, the user can pass the identity authentication only when the touch duration exceeds the preset touch duration and the conditions of the identity authentication method provided in any of the above embodiments are met.
For example, when the touch duration exceeds 2s and the area of the touch area exceeds 2 square centimeters are combined to form an authentication condition, and the user needs to perform authentication when the screen of the terminal is unlocked, the user needs to press the finger forcefully when the terminal screen is awakened, so that the terminal can detect that the area of the contact between the finger and the terminal screen exceeds 2 square centimeters, and meanwhile, the terminal can detect that the touch duration of the contact between the finger and the terminal screen exceeds 2s, and can pass the authentication, thereby unlocking the screen of the terminal. By adopting the embodiment provided by the invention, the safety of the identity authentication is further improved.
In the third embodiment of the present invention, the description will be continued from the perspective of the authentication apparatus, and in particular, the detailed description will be continued by taking as an example that the authentication apparatus is integrated in a terminal.
Referring to fig. 3a, fig. 3a is a schematic flow chart of a third embodiment of an identity verification method provided in the embodiment of the present invention, which is applied to a terminal, and a specific flow of the identity verification method may be as follows:
step S301, when the terminal verifies the identity of the user, a touch area of the terminal display screen touched by the user is obtained.
Step S302, if the second area corresponding to each touch in the multiple consecutive touches of the user is a connected area, taking the area change rate of the connected area corresponding to the two consecutive touches as the area feature every time the two consecutive touches are detected.
Step S303, if the second area corresponding to each touch in the multiple consecutive touches of the user includes multiple connected areas, then, when two consecutive touches are detected, a change rate of an area between a minimum connected area in the multiple connected areas corresponding to the first touch in the two consecutive touches and a maximum connected area in the multiple connected areas corresponding to the second touch is used as the area characteristic.
It should be noted that a time limit is set between every two consecutive touches in the consecutive multiple touches, the time limit can be set in advance by a user, the terminal is determined to be the consecutive multiple touches only when the user touches the terminal display screen within a preset time, if the user does not touch the terminal display screen within the preset time, the terminal automatically determines that the fingerprint acquisition stage of the authentication is finished, the touch area corresponding to the touch area of the user touching the display screen is not acquired any more, and the terminal enters the next stage, namely the authentication stage, so that the user needs to touch the display screen again within 2s of the preset time after the user touches the display screen for the previous time, and the terminal determines to be the consecutive multiple touches.
In this embodiment, the area change rate is used as the area feature, so that different verification conditions can be provided for the user as choices, and the user experience is improved.
It should be noted that, in the plurality of communication areas, each communication area is not communicated with each other, and each communication area is composed of a plurality of continuous touch points.
In the embodiment of the present invention, a detailed description will be given by taking a user performing only two consecutive touches as a specific embodiment, please refer to fig. 3b to 3d, where fig. 3b to 3d are schematic diagrams of a touch process in which the user touches a display screen of a terminal multiple times in an authentication method provided by the embodiment of the present invention, as shown in fig. 3b and 3c, fig. 3b shows a connected region 31 detected when the terminal 30 touches the display screen for the first time in the two consecutive touches by the user, fig. 3c shows a connected region 32 detected when the terminal 30 touches the display screen for the second time in the two consecutive touches by the user, when the terminal 30 finishes acquiring the connected region 31 and the connected region 32 generated by the two consecutive touches of the display screens by the user, fig. 3d shows that the terminal 30 uses a region area change rate 33 between the connected region 32 with a larger area and the connected region 31 with a smaller area as a region characteristic, that is, the terminal 30 subtracts the area of the area corresponding to the connected area 32 having the larger area from the area corresponding to the connected area 31 having the smaller area in the two consecutive touches to obtain a difference, divides the obtained difference by the area of the area corresponding to the connected area 32 having the smaller area and multiplies the divided area by 100% to obtain an area change rate 33, and takes the area change rate 33 as the area characteristic.
Referring to fig. 3e-3g, when the user touches the display screen with a finger each time to generate a plurality of connected areas, and the user only touches twice in succession, the terminal 30 will first confirm the smallest connected area 34 of the connected areas 34-36 corresponding to the first touch of the two consecutive touches, then the terminal 30 will confirm the largest connected area 37 of the connected areas 37-39 corresponding to the second touch of the two consecutive touches, then the terminal 30 will subtract the smallest connected area 34 corresponding to the first touch of the two consecutive touches from the area corresponding to the largest connected area 37 corresponding to the second touch of the two consecutive touches to obtain a difference, and the obtained difference is divided by the smallest connected area 34 corresponding to the first touch and multiplied by 100% to obtain an area change rate 39, and the area change rate 39 is used as an area characteristic, only the area change rate 39 needs to be verified when the subsequent terminal 30 performs authentication, so that even if the user touches the display screen for multiple times to generate multiple connected areas, the terminal 30 can still perform authentication on the user, and the user experience is greatly improved.
Step S304, when the area characteristic is larger than a preset change rate threshold value, the terminal determines that the area characteristic meets a preset verification condition, and judges that the identity of the user passes the verification.
In the embodiment of the invention, the user sets the verification condition to be that the user can pass the identity verification only when the area change rate of the touch area caused by the continuous twice contact with the screen is larger than the preset change rate threshold value of the user, such as 20%, so that the user can continuously press and loosen the screen of the terminal when the terminal performs the identity verification, the terminal can detect that the area change rate caused by the continuous twice contact of the finger with the screen of the terminal exceeds 20%, the identity verification can be passed, the verification mode that the area change rate caused by the continuous twice contact of the finger with the screen of the terminal exceeds 20% is set by the user, other people only see the operation of pressing and loosening the user finger on the display screen of the terminal, and the condition of passing the identity verification is unknown, so the embodiment of the invention has certain safety, the user can use the device safely.
If the embodiment of the invention is applied to unlocking the screen, when the screen of the terminal is awakened, the screen of the terminal displays a prompt for carrying out identity verification, the terminal acquires the area change rate caused by the fact that the fingers of the user continuously touch the display screen twice through the multiple contact of the fingers of the user and the screen of the terminal, the terminal passes the verification according to the verification condition preset by the user, namely when the area change rate exceeds 20%, the terminal verifies the area change rate caused by the user, and when the area change rate exceeds 20%, namely when the area characteristic meets the preset verification condition, the terminal judges that the identity of the user passes the verification and unlocks the screen of the terminal.
As a preferred embodiment of the present invention, the user may further preset a touch duration to perform the identity authentication together with the identity authentication method provided in any of the above embodiments, that is, the user can pass the identity authentication only when the touch duration exceeds the preset touch duration and the conditions of the identity authentication method provided in any of the above embodiments are met.
For example, when the touch duration exceeds 2s and the change rate of the area of the touch area caused by two consecutive touches on the screen exceeds 20% are combined into one authentication condition, and when the user presets the screen of the terminal to be unlocked, authentication needs to be performed, when the terminal screen is awakened, the user needs to continuously press the terminal screen to be loose, so that the terminal can detect that the change rate of the area caused by two consecutive touches of the finger on the terminal screen exceeds 20%, and meanwhile, the terminal can detect that the touch duration of each touch of the finger on the terminal screen exceeds 2s, and can pass the authentication, thereby unlocking the screen of the terminal. By adopting the embodiment provided by the invention, the safety of the identity authentication is further improved.
According to the method described in the foregoing embodiment, the embodiment will be further described from the perspective of an authentication apparatus, which may be specifically implemented as an independent entity, or may be implemented by being integrated in an electronic device, such as a terminal, where the terminal may include a mobile phone, a tablet computer, and the like.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an embodiment of an authentication apparatus according to the present invention, and as shown in fig. 4, the authentication apparatus includes an obtaining module 401, a feature confirming module 402, and an executing module 403.
The obtaining module 401 is configured to obtain a touch area where a user touches the terminal display screen when verifying the identity of the user.
In this embodiment, the authentication is not limited to be used when the terminal screen is unlocked or mobile payment is performed, and the user can customize and set what operation needs to be performed when the authentication is performed.
The touch area where the user touches the display screen of the terminal is a touch area formed by continuous touch points generated when the user's finger touches the display screen.
The characteristic confirmation module 402 is configured to determine a region characteristic of the touch region.
In one aspect, the touch area includes a first area corresponding to a single touch by a user.
For example, the feature validation module 402 may be further configured to:
and taking the area of the first area corresponding to the single touch of the user as the area characteristic of the touch area.
In this embodiment, a touch area formed by continuous touch points generated by a single touch of the user's finger on the display screen is a first area, and an area corresponding to the first area is an area characteristic, that is, the area of the first area formed by the continuous touch points generated by the single touch of the user's finger on the display screen is used as the area characteristic.
Preferably, the feature confirmation module 402 is further configured to:
if the first area is a connected area, taking the area of the connected area as the area characteristic of the touch area;
and if the first area comprises a plurality of communication areas, taking the area of the largest communication area in the plurality of communication areas as the area characteristic of the touch area.
In the embodiment of the invention, one or more connected regions formed by continuous touch points can be generated by the single touch of the finger of the user on the display screen, so that when one connected region formed by continuous touch points is generated by the single touch of the finger of the user on the display screen, the region area of the connected region is used as the region characteristic, and the subsequent authentication only needs to verify the connected region.
When a user touches the display screen once to generate a plurality of connected regions formed by continuous touch points, the connected region with the largest region area is selected from the connected regions formed by the continuous touch points as the region characteristic, and the subsequent verification only needs to verify the area corresponding to the connected region with the largest region area.
In another aspect, the touch areas include a plurality of second areas respectively corresponding to a plurality of consecutive touches by the user.
For example, the feature validation module 402 may be further configured to:
and taking the area change rate of the plurality of second areas respectively corresponding to the continuous multi-time touch of the user as the area characteristic.
In this embodiment, the area change rate of the region may also be used as a region feature, so as to provide different verification conditions for the user as selections, thereby improving the user experience.
The method comprises the steps that a user continuously touches a terminal display screen for multiple times, so that the terminal can acquire a touch area formed by continuous touch points generated by multiple times of contact between a finger of the user and the screen, and area areas corresponding to the touch areas acquired for two times continuously are compared, for example, the area change rate of the area is obtained by dividing the area of a larger area in the area areas acquired for two times continuously by the area of a smaller area, and the area change rate is used as an area characteristic.
Preferably, the feature confirmation module 402 is further configured to:
if each touch corresponds to one connected region, taking the region area change rate of the connected region respectively corresponding to two continuous touches as the region characteristic;
if the touch corresponds to a plurality of connected areas each time, determining the area of the smallest connected area in the plurality of connected areas corresponding to the first touch in two continuous touches and the area of the largest connected area in the plurality of connected areas corresponding to the second touch, calculating the area change rate between the area of the smallest connected area and the area of the largest connected area, and taking the calculated area change rate as the area characteristic.
In the embodiment of the invention, one or more connected regions formed by continuous touch points can be generated when the user finger touches the display screen every time, so that when only one connected region formed by continuous touch points is generated when the user finger touches the display screen every time, the region area with the larger area of the connected region in two continuous touches is divided, the region area with the smaller area of the connected region in two continuous touches is obtained, and the region area change rate is used as the region characteristic.
When a user finger touches the display screen each time to generate a plurality of connected regions formed by continuous touch points, firstly confirming the minimum connected region in the connected regions formed by the continuous touch points corresponding to the first touch in the continuous two touches, then confirming the maximum connected region in the connected regions formed by the continuous touch points corresponding to the second touch in the continuous two touches, then dividing the region area corresponding to the maximum connected region in the connected regions formed by the continuous touch points corresponding to the second touch in the continuous two touches, obtaining the region area change rate in the minimum connected region in the connected regions formed by the continuous touch points corresponding to the first touch in the continuous two touches, taking the region area change rate as the region characteristic, and carrying out the subsequent verification only by verifying the region area change rate, therefore, even if the user touches the display screen for multiple times to generate a plurality of connected areas, the user can still be authenticated, and the user experience is greatly improved.
The executing module 403 is configured to determine that the identity of the user is verified when the area feature meets a preset verification condition.
In this embodiment, the preset authentication condition is preset by the user, which means that only the user knows what the authentication condition is, so that others cannot know the authentication condition set by the user,
in an aspect, the executing module 403 may be further configured to:
and when the area characteristic is larger than a preset area threshold value, determining that the area characteristic meets a preset verification condition, and judging that the identity of the user passes the verification.
In the embodiment of the invention, the user sets the verification condition in advance to pass the verification only when the area of the area where the finger is in contact with the screen is larger than the area of the touch area where the finger is in contact with the screen and is stored by the user in advance, such as 2 square centimeters, so that the user only needs to press the terminal screen to enable the terminal to obtain a larger touch area when knowing that the identity verification is carried out, and the identity verification can be passed only when the touch area is larger than 2 square centimeters, therefore, the identity verification method provided by the embodiment of the invention increases the confidentiality and the safety of the identity verification.
If the embodiment of the invention is applied to mobile payment, when the terminal needs to pay, a screen of the terminal displays a prompt for carrying out identity verification, a touch area formed by continuous touch points of a finger of a user touching a display screen is obtained through the contact of the finger of the user and the screen of the terminal, verification is carried out according to a verification condition preset by the user, namely when the touch area is larger than 2 square centimeters, the area corresponding to the touch area formed by the continuous touch points of the finger of the user touching the display screen is verified, when the area is larger than 2 square centimeters, namely when the area characteristics meet the preset verification condition, the identity of the user is judged to be verified, and payment is finished.
In another aspect, the executing module 403 may be further configured to:
and when the area characteristic is larger than a preset change rate threshold value, determining that the area characteristic meets a preset verification condition, and judging that the identity of the user passes the verification.
In the embodiment of the invention, the user sets the verification condition to be that the user can pass the identity verification only when the area change rate of the touch area caused by the continuous twice contact with the screen is larger than the preset change rate threshold value of the user, such as 20%, so that the user can continuously press and loosen the screen of the terminal when the identity verification is carried out, the terminal can detect that the area change rate caused by the continuous twice contact of the finger with the screen of the terminal exceeds 20%, the identity verification can be passed, the verification mode that the area change rate caused by the continuous twice contact of the finger with the screen of the terminal exceeds 20% is set by the user, other people only see the operation of pressing and loosening the user finger on the display screen of the terminal, and the condition of passing the identity verification is unknown, so the embodiment of the invention has certain safety, the user can use the device safely.
If the embodiment of the invention is applied to unlocking the screen, when the screen of the terminal is awakened, the screen of the terminal displays a prompt for carrying out identity verification, the area change rate caused by the fact that the fingers of the user continuously touch the display screen twice is obtained through the multiple contact of the fingers of the user and the screen of the terminal, the area change rate caused by the user is verified through verification according to the verification condition preset by the user, namely when the area change rate exceeds 20%, namely when the area characteristic meets the preset verification condition, the identity of the user is judged to be verified, and the screen of the terminal is unlocked.
The method comprises the steps of acquiring a touch area of a user touching a display screen of the terminal when the identity of the user is verified through an acquisition module, determining the area characteristics of the touch area through a characteristic confirmation module, and finally judging that the identity of the user passes verification when the area characteristics meet preset verification conditions through an execution module.
In a specific implementation, each of the modules and/or units may be implemented as an independent entity, or may be implemented as one or several entities by any combination, where the specific implementation of each of the modules and/or units may refer to the foregoing method embodiment, and specific achievable beneficial effects also refer to the beneficial effects in the foregoing method embodiment, which are not described herein again.
In addition, referring to fig. 5, fig. 5 is a schematic structural diagram of a first embodiment of an authentication device according to an embodiment of the present invention, where the authentication device may be a mobile terminal such as a smart phone, a tablet computer, or the like. As shown in fig. 5, the authentication device 500 comprises a processor 501, a memory 502. The processor 501 is electrically connected to the memory 502.
The processor 501 is a control center of the authentication apparatus 500, connects various parts of the entire electronic apparatus using various interfaces and lines, performs various functions of the authentication apparatus 500 and processes data by running or loading an application program stored in the memory 502, and calling data stored in the memory 502, thereby performing overall monitoring of the authentication apparatus 500.
In this embodiment, the processor 501 in the authentication apparatus 500 loads instructions corresponding to processes of one or more application programs into the memory 502, and the processor 501 runs the application programs stored in the memory 502, so as to implement various functions as follows:
when the identity of a user is verified, acquiring a touch area of the terminal display screen touched by the user;
determining area characteristics of the touch area;
and when the area characteristics meet preset verification conditions, judging that the identity of the user passes the verification.
The identity authentication device 500 can implement the steps in any embodiment of the identity authentication method provided in the embodiment of the present invention, and therefore, the beneficial effects that can be achieved by any identity authentication method provided in the embodiment of the present invention can be achieved, for details, see the foregoing embodiment, and are not described herein again.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an authentication device according to a second embodiment of the present invention, and as shown in fig. 6, fig. 6 is a specific structural block diagram of the authentication device according to the embodiment of the present invention, where the authentication device may be used to implement the authentication method provided in the foregoing embodiment. The authentication device 600 may be a mobile terminal such as a smart phone or a notebook computer.
The RF circuit 610 is used for receiving and transmitting electromagnetic waves, and performs interconversion between the electromagnetic waves and electrical signals, thereby communicating with a communication network or other devices. RF circuit 610 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. The RF circuit 610 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices over a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network. The Wireless network may use various Communication standards, protocols, and technologies, including, but not limited to, Global System for Mobile Communication (GSM), Enhanced Data GSM Environment (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (Wi-Fi) (e.g., Institute of Electrical and Electronics Engineers (IEEE) standard IEEE802.11 a, IEEE802.11 b, IEEE802.11g, and/or IEEE802.11 n), Voice over Internet Protocol (VoIP), world wide mail Access (Microwave Access for micro), wimax-1, other suitable short message protocols, and any other suitable Protocol for instant messaging, and may even include those protocols that have not yet been developed.
The memory 620 may be configured to store a software program and a module, such as program instructions/modules corresponding to the authentication method in the foregoing embodiment, and the processor 680 executes various functional applications and data processing by running the software program and the module stored in the memory 620, that is, when the identity of a user is authenticated, obtaining a touch area where the user touches the terminal display screen, determining an area characteristic of the touch area, and when the area characteristic meets a preset authentication condition, determining that the identity of the user passes authentication. The memory 620 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, memory 620 may further include memory located remotely from processor 680, which may be connected to authentication device 600 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input unit 630 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, the input unit 630 may include a touch sensitive surface 631 as well as other input devices 632. The touch sensitive surface 631, also referred to as a touch display screen or a touch pad, may collect touch operations by a user (e.g., operations by a user on the touch sensitive surface 631 or near the touch sensitive surface 631 using any suitable object or attachment such as a finger, a stylus, etc.) on or near the touch sensitive surface 631 and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface 631 may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 680, and can receive and execute commands sent by the processor 680. In addition, the touch sensitive surface 631 may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 630 may include other input devices 632 in addition to the touch-sensitive surface 631. In particular, other input devices 632 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 640 may be used to display information input by or provided to the user and various graphical user interfaces of the authentication apparatus 600, which may be configured by graphics, text, icons, video, and any combination thereof. The Display unit 640 may include a Display panel 641, and optionally, the Display panel 641 may be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like. Further, the touch-sensitive surface 631 may overlay the display panel 641, and when the touch-sensitive surface 631 detects a touch operation thereon or nearby, the touch operation is transmitted to the processor 680 to determine the type of the touch event, and then the processor 680 provides a corresponding visual output on the display panel 641 according to the type of the touch event. Although in the figure, the touch-sensitive surface 631 and the display panel 641 are shown as two separate components to implement input and output functions, in some embodiments, the touch-sensitive surface 631 and the display panel 641 may be integrated to implement input and output functions.
The authentication device 600 may also include at least one sensor 650, such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel 641 according to the brightness of ambient light, and a proximity sensor that may generate an interrupt when the folder is closed or closed. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured in the authentication device 600, further description is omitted here.
The authentication device 600, which may assist the user in receiving requests, sending information, etc., through the transmission module 670 (e.g., a Wi-Fi module), provides the user with wireless broadband internet access. Although the transmission module 670 is shown in the drawing, it is understood that it does not belong to the essential constitution of the authentication apparatus 600 and may be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 680 is a control center of the authentication apparatus 600, connects various parts of the entire mobile phone using various interfaces and lines, and performs various functions of the authentication apparatus 600 and processes data by operating or executing software programs and/or modules stored in the memory 620 and calling data stored in the memory 620, thereby integrally monitoring the electronic apparatus. Optionally, processor 680 may include one or more processing cores; in some embodiments, processor 680 may integrate an application processor, which handles primarily the operating system, user interface, applications, etc., and a modem processor, which handles primarily wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 680.
The authentication device 600 also includes a power supply 690 (e.g., a battery) to power the various components, which in some embodiments may be logically connected to the processor 680 via a power management system to manage charging, discharging, and power consumption management functions via the power management system. The power supply 690 may also include any component including one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and the like.
Although not shown, the authentication apparatus 600 further includes a camera (e.g., a front camera, a rear camera), a bluetooth module, and the like, which are not described in detail herein. Specifically, in this embodiment, the display unit of the electronic device is a touch screen display, the mobile terminal further includes a memory, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the one or more processors, and the one or more programs include instructions for:
when the identity of a user is verified, acquiring a touch area of the terminal display screen touched by the user;
determining area characteristics of the touch area;
and when the area characteristics meet preset verification conditions, judging that the identity of the user passes the verification.
In specific implementation, the above modules may be implemented as independent entities, or may be combined arbitrarily to be implemented as the same or several entities, and specific implementation of the above modules may refer to the foregoing method embodiments, which are not described herein again.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor. To this end, the embodiment of the present invention provides a storage medium, in which a plurality of instructions are stored, and the instructions can be loaded by a processor to execute the steps of any embodiment of the method for authenticating identity provided by the embodiment of the present invention.
Wherein the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
Since the instructions stored in the storage medium can execute the steps in any embodiment of the authentication method provided in the embodiment of the present invention, the beneficial effects that can be achieved by any authentication method provided in the embodiment of the present invention can be achieved, which are detailed in the foregoing embodiments and will not be described herein again.
The identity authentication method, apparatus, device and storage medium provided in the embodiments of the present application are described in detail above, and a specific example is applied in the present application to explain the principle and implementation manner of the present application, and the description of the above embodiments is only used to help understand the method and core ideas of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application. Moreover, it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention, and such modifications and adaptations are intended to be within the scope of the invention.
Claims (10)
1. An identity authentication method is applied to a terminal and comprises the following steps:
when the identity of a user is verified, acquiring a touch area of the terminal display screen touched by the user;
determining area characteristics of the touch area;
and when the area characteristics meet preset verification conditions, judging that the identity of the user passes the verification.
2. The identity verification method of claim 1, wherein the touch area comprises a first area corresponding to a single touch by a user;
the determining the area characteristics of the touch area specifically includes:
and taking the area of the first area corresponding to the single touch of the user as the area characteristic of the touch area.
3. The identity verification method according to claim 2, wherein the area of the first region corresponding to a single touch of the user is used as the region characteristic of the touch region, and specifically includes:
if the first area is a connected area, taking the area of the connected area as the area characteristic of the touch area;
and if the first area comprises a plurality of communication areas, taking the area of the largest communication area in the plurality of communication areas as the area characteristic of the touch area.
4. The identity authentication method according to claim 2 or 3, wherein when the area characteristic satisfies a preset authentication condition, determining that the identity of the user is authenticated specifically:
and when the area characteristic is larger than a preset area threshold value, determining that the area characteristic meets a preset verification condition, and judging that the identity of the user passes the verification.
5. The identity verification method of claim 1, wherein the touch area includes a plurality of second areas respectively corresponding to a plurality of consecutive touches by the user;
the determining the area characteristics of the touch area specifically includes:
and taking the area change rate of the plurality of second areas respectively corresponding to the continuous multi-time touch of the user as the area characteristic.
6. The identity authentication method according to claim 5, wherein the area change rates of the plurality of second areas respectively corresponding to the plurality of continuous touches of the user are used as the area features, and specifically are as follows:
if the second area corresponding to each touch is a connected area, taking the area change rate of the connected area corresponding to the continuous two touches as the area characteristic every time the continuous two touches are detected;
and if the second area corresponding to each touch comprises a plurality of connected areas, taking the area change rate between the minimum connected area in the plurality of connected areas corresponding to the first touch in the two continuous touches and the maximum connected area in the plurality of connected areas corresponding to the second touch as the area characteristic when two continuous touches are detected.
7. The identity authentication method according to claim 5 or 6, wherein when the area characteristic satisfies a preset authentication condition, determining that the identity of the user is authenticated specifically:
and when the area characteristic is larger than a preset change rate threshold value, determining that the area characteristic meets a preset verification condition, and judging that the identity of the user passes the verification.
8. An identity authentication device is characterized by comprising an acquisition module, a feature confirmation module and an execution module;
the acquisition module is used for acquiring a touch area of a user touching the terminal display screen when the user identity is verified;
the characteristic confirming module is used for confirming the area characteristics of the touch area;
and the execution module is used for judging that the identity of the user passes the verification when the region characteristics meet the preset verification conditions.
9. An authentication apparatus comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, wherein the memory is coupled to the processor, and wherein the processor, when executing the computer program, implements the authentication method of any one of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored, wherein the computer program, when executed, controls an apparatus in which the computer-readable storage medium is located to perform the authentication method according to any one of claims 1 to 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113253907A (en) * | 2021-06-16 | 2021-08-13 | 北京交通大学 | Intelligent equipment implicit identity recognition method based on environmental sensor |
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