CN104050403B - Mobile terminal user identity Verification System based on matrix and relative time and method - Google Patents
Mobile terminal user identity Verification System based on matrix and relative time and method Download PDFInfo
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- CN104050403B CN104050403B CN201410304507.6A CN201410304507A CN104050403B CN 104050403 B CN104050403 B CN 104050403B CN 201410304507 A CN201410304507 A CN 201410304507A CN 104050403 B CN104050403 B CN 104050403B
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- 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
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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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Abstract
The invention discloses a kind of mobile terminal user identity Verification System based on matrix and relative time feature and method, mainly solve the problems, such as that prior art poor stability, system resource overhead are big.This system includes：Input/output module, matrix sequence feature and relative time characteristic extracting module and authentication module.Input/output module accepts the relevant configuration of user and returns the result of registration and certification to user, and the input information of record user is simultaneously sent to matrix sequence feature and relative time characteristic extracting module；Matrix sequence feature and relative time characteristic extracting module characteristic information extraction from the input information of user, by this feature information structure certification template and store；The feature of the authentication information that matrix sequence feature is extracted by authentication module with relative time characteristic extracting module is mated with the feature of storage in certification template, and matching result is passed to input/output module.The present invention not only ensure that the safety during user's use, and reduces overhead.
Description
Technical field
The invention belongs to communication technical field, further relate to mobile terminal user identity certification in mobile interchange domain
Technology, can be used for the certification of user identity during the certification to the user identity logging in mobile terminal and mobile payment, protects
The shield privacy of mobile phone users and the safety of property.
Background technology
With the development of development of Mobile Internet technology, mobile terminal plays more and more important angle in the life of people
Color, also saves the information being more and more related to individual privacy and property safety in mobile terminal, the safety of mobile terminal is asked
Topic has increasingly obtained the attention of people.The identity identifying technology of mobile phone users is to ensure that the core of information of mobile terminal safety
One of technology, compared with traditional authenticating user identification, the authenticating user identification on mobile terminal has its particularity：1) mobile
The mobility of terminal is so that its verification process must input simply, and fault-tolerance is high；2) the resource limitation of mobile terminal,
Its certification expense will be lacked as far as possible；3) opening of mobile terminal use environment is so that its demand for security is higher.
In order to find out a kind of method meeting the demand, there has been proposed some solutions, wherein：
Patent " intelligent terminal user authentication method based on the multi-touch position sequence " (application number of Southeast China University's application
CN201310483113.7 application publication number CN103544428A) disclose a kind of knowledge of the identity based on multi-touch position sequence
Method for distinguishing and terminal.The method includes user's registration and two processes of user authentication, and the registration process of wherein user needs to select
Select template image, constitute user identification code by touch mode, preserve touch location sequence, judge touch location sequence twice
Characteristic sequence that is whether consistent, generating this user；User authentication process can be pointed out user to be touched and is sequentially recorded tactile
Touch position, finally realize the purpose of identifying user.Higher discrimination and safety be ensure that by two above process.The party
The weak point that method exists is that the input process in registration or certification for the user is easily sniffed by other people, makes that user's is hidden
Private safety is on the hazard.
Patent " method of the identification based on person's handwriting and the terminal " (Shen of Beijing Baina Weier Science And Technology Co., Ltd.'s application
Please number 201110211851.7 application publication number CN102411712A) disclose a kind of method of the identification based on person's handwriting and
Terminal.The method comprises the following steps：1st, person's handwriting acquisition module gathers person's handwriting to be identified.2nd, treat described in characteristic extracting module extraction
The identification feature of identification person's handwriting, described identification feature is used for characterizing the specificity of person's handwriting to be identified.3rd, described in judge module judges
Whether identification feature is mated with the standard feature of the standard handwriting being stored in person's handwriting sample library module, if judging to know described knowledge
Other feature and described standard feature match, then identity is legal, and otherwise identity is illegal, and described standard feature is used for characterizing described
The specificity of standard handwriting.The method exist weak point be：Input process is complicated；The operand of the feature extraction of person's handwriting is relatively
Greatly, resource consumption is many.
Content of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, proposes a kind of mobile terminal based on matrix and relative time feature
User identity identification system and method, to improve the safety of certification, reduces overhead, lifts Consumer's Experience.
To achieve these goals, the user identity identification system of the present invention includes：Input/output module, matrix sequence are special
Levy with relative time characteristic extracting module and authentication module it is characterised in that：
Described input/output module, including：
Configuration submodule, the configuration information setting for receive user, this configuration information includes：The contact sequence of user input
The shortest length L of rowmin, the element number N of relative time featuret；
Input submodule, for being registered and during certification in user, previously generates one on the touch screen of mobile terminal
The matrix of the individual m*n being made up of contact, wherein each contact have unique numbering Xi, by user on this matrix according to configuration mould
Related setting one figure of input of block, the relevant information of record input, what this relevant information included passing through during tablet pattern touches
The entry time of the constituted contact series of point and each contact and time departure；
Output sub-module, for feeding back to user by the result of registration and certification；
Described matrix sequence feature and relative time characteristic extracting module, including：
Pretreatment submodule, the contact series information for coming to input/output module transmission carries out simplifying to be integrated, will
The into and out time of each contact is converted to residence time on this contact of user；
Feature extraction submodule, for extracting matrix sequence feature and relative time from pretreated input information
Feature；
Template sub-module stored, matrix sequence feature and relative time feature for obtaining when registering customers as are deposited
Storage is as the template of user authentication, and in certification, this template is sent to authentication module；
Described authentication module, including：
Matrix sequence characteristic matching submodule, for the matrix sequence feature of input information and the certification in certification by user
Matrix sequence feature in template is mated, and matching result is returned to input/output module；
Relative time characteristic matching submodule, for by user in certification the relative time feature of input information with mate
Relative time feature in template is mated, and this matching result is returned to input/output module.
To achieve these goals, the method for identifying ID of the present invention, comprises the steps：
(1) user's registration step：
(1a) user opens mobile terminal user identity Verification System, and inquiry is whether user carried out registration, if carrying out
Cross, then jump to step (2)；Otherwise, enter step 1b)；
(1b) it is set by the user configuration parameter, this parameter includes the shortest length L of user input contact seriesmin, relatively when
Between feature element number Nt；
(1c) matrix of a m*n being made up of contact is previously generated on the touch screen of mobile terminal, wherein for the first time
There is unique numbering X each contacti, by user on this matrix according to step 1b) in setting parameter input a figure, note
Record input relevant information, the contact series that the contact that this relevant information includes passing through during tablet pattern is constituted and each touch
The entry time of point and time departure；
(1d) to step 1c) in record user input information carry out simplify integrate, will each contact entrance with
Time departure is converted to residence time on this contact of user, extracts square from simplifying the user input information after integrating
Battle array sequence signature and relative time feature；
(1e) matrix of a m*n being made up of contact is previously generated on the touch screen of mobile terminal, wherein for the second time
There is unique numbering X each contacti, repeated in 1c on this matrix by user) in input, record input relevant information,
Contact series that the contact that this relevant information includes passing through during tablet pattern is constituted and the entry time of each contact and from
ETAD expected time of arrival and departure；
(1f) to 1e) in record user input information carry out simplify integrate, will each contact into and out
Time is converted to residence time on this contact of user, extracts matrix sequence from simplifying the user input information after integrating
Row feature and relative time feature；
(1g) judge 1d) with step 1f) in the matrix sequence feature that extracts whether consistent with relative time feature, if one
Cause, then execution step 1h)；Otherwise return to step 1a)；
(1h) use step 1g) in the matrix sequence feature that extracts constitute certification template with relative time feature and store,
Return to step 1a)；
(2) user authentication process：
(2a) matrix of a m*n being made up of contact is previously generated on the touch screen of mobile terminal, wherein for the third time
There is unique numbering X each contacti, a figure, record input are inputted according to setting during registration on this matrix by user
Relevant information, the entering of the contact series that the contact that this relevant information includes passing through during tablet pattern is constituted and each contact
The angle of incidence and time departure；
(2b) to step 2a) in user input information carry out simplify integrate, will each contact into and out when
Between be converted to residence time on this contact of user；Extract matrix sequence from simplifying the user input information after integrating
Feature and relative time feature；
(2c) coupling of matrix sequence feature and relative time feature
2c1) by step 2b) in extract matrix sequence feature and be designated as：Xp1’Xp2’…Xpq', the matrix sequence in certification template
Row feature is designated as：Xp1Xp2…Xpq, compare two matrix sequence features, when meeting Xp1=Xp1', Xp2=Xp2' ..., Xpq=Xpq’
When then it is assumed that the match is successful, otherwise it is assumed that it fails to match；
2c2) by step 2b) in Nt element being comprised of the relative time feature that extracts and storage in certification template
The Nt element that relative time feature is comprised is compared, as long as this Nt element is identical is considered as that the match is successful, if not phase
With then it is assumed that it fails to match；
When step 2c1) and step 2c2) when the match is successful simultaneously then it is assumed that characteristic matching success, execution step 2d)；No
Then it is believed that characteristic matching fails, return to step 2a)；
(2d) by step 2c) in matching result return to user, user obtains the access right of mobile terminal.
The present invention compared with prior art has advantages below：
First, safe.Present invention employs the side of matrix sequence feature and the double factor authentication of relative time feature
Even if method is so that other people are after the input process seeing user, also cannot imitate by the input imitating user come by recognizing
Card, effectively prevent other people peep, greatly strengthen the safety using process.
Second, input process is simple, and Consumer's Experience is good.The input process very simple of the user of the present invention, user is moving
Can also accurately complete during dynamic to input.The for example traditional nine grids verification process of the input process of the present invention is more similar, uses
Family need not change existing use habit, and Consumer's Experience effect is good.
3rd, calculating process is simple, and resource consumption is less.Only need in the verification process of the present invention simply add and subtract with than
Compared with computing, consume resource few.
Brief description
Fig. 1 is the structured flowchart of present system；
Fig. 2 is the flowchart of the inventive method.
It is embodied as measure
The present invention is described in further detail below in conjunction with the accompanying drawings.
With reference to Fig. 1, present system includes input/output module, matrix sequence feature and relative time feature extraction mould
Block, the big module of authentication module three.Wherein：
Described input/output module, it includes：Configuration submodule, input submodule, output sub-module.This configuration submodule
Block, sets the shortest length L of user input sequence for receive usermin, number N of relative time characteristic point elementtThese are joined
Confidence ceases；When user is in input registration and authentication information by the shortest length L of list entriesminIt is sent to input submodule；?
When system carries out feature extraction, relative time characteristic point is comprised number N of elementt, be sent to matrix sequence feature with relative
Temporal characteristics extraction module；This input submodule, for being registered and during certification in user, on the touch screen of mobile terminal
Previously generate the matrix of a m*n being made up of contact, wherein there is unique numbering X each contacti, by user on this matrix
One figure of input, the number of the contact that this figure contains should meet more than or equal to Lmin, the relevant information of record input, should
Contact series that the contact that relevant information includes passing through during tablet pattern is constituted and the entry time of each contact and leave
Time, after user completes input, the input information of record is sent to matrix sequence feature and relative time feature extraction
Module；This output sub-module, for accepting the registration of authentication module return and the object information of certification, and this feedback of the information is given
User.
Described matrix sequence feature and temporal characteristics extraction module, it includes：Pretreatment submodule, feature extraction submodule
Block, template sub-module stored.This pretreatment submodule：Contact series information for coming to input/output module transmission carries out letter
Change and integrate, into and out time of each contact will be converted to residence time on this contact of user, and by pretreatment
Later input information is sent to characteristic extracting module；This feature extracting sub-module：For from pretreated input information
Extract matrix sequence feature and relative time feature, and the characteristic information extracting is sent to template sub-module stored；Should
Template sub-module stored：Matrix sequence feature and relative time feature for obtaining when registering customers as carry out storage as use
The template of family certification, and in certification, this template is sent to authentication module.
Described authentication module, it includes：Matrix sequence characteristic matching submodule and relative time characteristic matching submodule.
Wherein：This matrix sequence characteristic matching submodule, for the matrix sequence feature of input information and the certification in certification by user
Matrix sequence feature in template is mated, and matching result is returned to input/output module；This relative time feature
Sub-module, for by user in certification the relative time feature of input information and the relative time feature in matching template enter
Row coupling, and this matching result is returned to input/output module.
With reference to Fig. 2, the mobile terminal user identity authentication method based on matrix and relative time feature for the present invention, its realization
Including user's registration and two stages of user authentication.
First, the user's registration stage：
Step 1, access system：
During work, the mobile terminal user identity Verification System based on matrix and relative time feature is opened by user, and
Judging according to the record in mobile terminal whether oneself carried out registration, if having carried out registration, jumping to the stage
(2) carry out the certification of user identity；If not carrying out registration, execution step 2.
Step 2, initialization system parameter：
Before user input log-on message, first systematic parameter is set, this parameter includes user input contact series
Shortest length Lmin, the element number N that comprises of relative time featuret.
Step 3, obtains input information when registering for the first time.
User, after completing the setting to systematic parameter, starts to input log-on message, by system touching in mobile terminal
Touch the matrix that a m*n being made up of contact is previously generated for the first time on screen, there is unique numbering X wherein each contacti, user
One figure is inputted on this matrix, the number of the contact that this figure is comprised should be more than or equal to Lmin, the correlation of record input
Entering of information, the contact series S that the contact that this relevant information includes passing through during tablet pattern is constituted and each contact is fashionable
Between and time departure.
Step 4, input information when first time is registered carries out simplifying to be integrated, and extracts feature.
4.1) input information of the user of record in step 3 is carried out simplifying and integrate, each will touch in this input information
The into and out time of point is converted to residence time on this contact of user：
4.11) time that user is entered each point is recorded as Ti successively1、Ti2…Tim-1、Tim, user is left each
The time of point is recorded as To successively1、To2…Tom-1、Tom；
4.12) time of each point is entered according to user and user leaves the Time Calculation user of each point in each contact
Upper residence time is designated as Δ Ti, i.e. Δ T1=To1-Ti1、ΔT2=To2-Ti2、…、ΔTm=Tom-Tim,
Simplify the contact institute structure that the input information during registration of the first time after integrating includes passing through during user input figure
The contact series S becoming and user residence time Δ T on each contacti；
4.2) extract matrix sequence feature the input information after simplifying integration：
In input information when the first time simplifying after integrating is registered, first point of contact series S is designated as P1, the
Two points are designated as P2..., q-th point is designated as Pq, then this contact series can be expressed as P1P2…Pq, according to each contact in matrix
In numbering Xi, obtain by constituted numbered sequence X of the numbering of contact in contact seriesp1Xp2…Xpq, and this numbered sequence is made
The matrix sequence feature of input information when registering for first time；
4.3) user's residence time on each aspect in the input information when first time simplifying after integrating being registered
ΔTiIt is ranked up by order from big to small, extract the front N after sequencetThe sequence number of the individual time of staying, and by this NtSequence number is made
The relative time feature of input information when registering for first time.
Step 5, obtains input information when registering second.
After extracting the feature of input information of user's registration input for the first time, start acquisition user and register for second
Input information, the matrix of a m*n being made up of contact is previously generated for the second time by system on the touch screen of mobile terminal,
Wherein there is unique numbering X each contacti, user repeats input in step 3 on this matrix, the related letter of record input
Breath, contact series S ' and the entry time of each contact that the contact that this relevant information includes passing through during tablet pattern is constituted
And time departure.
Step 6, input information when second is registered carries out simplifying to be integrated, and extracts feature.
6.1) input information of the user of record in step 5 is carried out simplifying and integrate, each will touch in this input information
The into and out time of point is converted to residence time on this contact of user：
6.11) time that user is entered each point is recorded as Ti successively1’、Ti2’、…Tim-1’、Tim', user is left
The time of each point is recorded as To successively1’、To2’、…Tom-1’、Tom’；
6.12) time of each point is entered according to user and user leaves the Time Calculation user of each point in each contact
Upper residence time is designated as Δ Ti', i.e. Δ T1'=To1’-Ti1’、ΔT2'=To2’-Ti2’、…、ΔTm'=Tom’-Tim’；
Simplify the contact institute structure that input information during second after integrating registration includes passing through during user input figure
The contact series S ' becoming and user residence time Δ T on each contacti’；
6.2) extract matrix sequence feature input information when simplifying second after integrating registration：
First point of the contact series S ' in input information when second simplified after integrating is registered is designated as
P1', second point is designated as P2' ..., q-th point is designated as Pq', then this contact series can be expressed as P1’P2’…Pq', according to every
Individual contact numbering X in a matrixi, obtain by constituted numbered sequence X of the numbering of each contact in contact seriesp1’Xp2’…
Xpq', and using this numbered sequence as second register when input information matrix sequence feature；
6.3) user's residence time on each aspect in input information when second simplified after integrating being registered
ΔTi' be ranked up by order from big to small, extract the front N after sequencetThe sequence number of the individual time of staying, and by this NtSequence number
The relative time feature of input information when registering as second.
Step 7, judges whether the feature registering input information twice is consistent.
After step 4 and step 6, extract the feature of input information during registration twice, that is, matrix sequence is special
Seek peace relative time feature, it judges that step is as follows：
7.1) whether judgment matrix sequence signature is consistent
Matrix sequence feature by input information when extracting registration for the first time in step 4：Xp1Xp2…XpqIn step 6
The matrix sequence feature of input information during second registration extracting：Xp1’Xp2’…Xpq' be compared, when two matrix sequences
Row are completely the same, that is, meet Xp1=Xp1', Xp2=Xp2' ..., Xpq=Xpq' when it is believed that matrix sequence feature is consistent, otherwise, recognize
Inconsistent for matrix sequence feature；
7.2) judge whether relative time feature is consistent：
The Nt element that when first time extracting in step 4 is registered, the relative time feature of input information is comprised with
The Nt element that during second registration extracting in step 6, the relative time feature of input information is comprised is compared, if
The identical relative time feature that is considered as of this Nt element is consistent, if differing then it is assumed that relative time feature is inconsistent, is carrying out
When relatively, the particular order between each element of two relative time features is not required；
Then it is assumed that defeated twice when when registering twice, the matrix sequence feature of input information and relative time feature are all consistent
The feature entering information is consistent, execution step 8；Otherwise return to step 1.
Step 8, stores user authentication template.
After when judging to register twice, the feature of input information is consistent, with the matrix sequence feature extracting in step 4：
Xp1Xp2…XpqConstitute certification template with relative time feature and store, return the message succeeding in registration return to step to user
1.
2nd, user authentication phase：
Step 9, obtains input information during user authentication.
When user is detected and having carried out registration, then enter into user authentication phase, by system in mobile terminal
The matrix of one m*n being made up of contact is previously generated on touch screen, there is unique numbering X wherein each contact for the third timei, use
Family inputs a figure on this matrix, and the number of the contact that this figure contains should be more than or equal to Lmin, the correlation of record input
Entering of information, the contact series S that the contact that this relevant information includes passing through during tablet pattern is constituted " and each contact is fashionable
Between and time departure.
Step 10, carries out to input information during user authentication simplifying and integrates, and extract feature.
10a) input information of the user of record in step 9 is carried out simplifying and integrate, each will touch in this input information
The into and out time of point is converted to residence time on this contact of user：
10a1) time that user is entered each point is recorded as Ti successively1”、Ti2”、…、Tim-1”、Tim", by user from
The time opening each point is recorded as To successively1”、To2”、…、Tom-1”、Tom”；
10a2) time of each point is entered according to user and user leaves the Time Calculation user of each point in each contact
Upper residence time is designated as Δ Ti", i.e. Δ T1"=To1”-Ti1”、ΔT2"=To2”-Ti2”、…、ΔTm"=Tom”-Tim”；
Simplify the input information contact that includes passing through during user input figure during the user authentication after integrating to be constituted
Contact series S " and user residence time Δ T on each contacti”.
10b) extract matrix sequence feature the input information after simplifying integration：
By simplify integrate after user authentication when input information in contact series S " first point be designated as P1",
Second point is designated as P2" ..., q-th point is designated as Pq", then this contact series can be expressed as P1”P2”…Pq", touched according to each
Point numbering X in a matrixi, obtain by constituted numbered sequence X of the numbering of contact in contact seriesp1”Xp2”…Xpq", and will
This numbered sequence is as the matrix sequence feature of input information during certification.
10c) extract relative time feature the input information after simplifying integration：
By simplify integrate after user authentication when input information in user residence time Δ T on each aspecti" press
Order from big to small is ranked up, and extracts the front N after sequencetThe sequence number of the individual time of staying, and by this NtSequence number is as certification
When input information relative time feature.
Step 11, the feature of certification input information is mated with the feature in storage template.
After input information feature when extracting user authentication, proceed by the coupling of feature, matching process is as follows：
11a) the coupling of matrix sequence feature：Matrix sequence feature by input information when extracting certification in step 9：
Xp1”Xp2”…Xpq" with certification template in matrix sequence feature：Xp1Xp2…XpqIt is compared, when two matrix sequence features are complete
Exactly the same, that is, meet Xp1=Xp1", Xp2=Xp2" ..., Xpq=Xpq" when it is believed that the match is successful, otherwise it is assumed that it fails to match；
11b) the coupling of relative time feature：Relative time feature institute by input information when extracting certification in step 10
The Nt element that in the Nt element comprising and certification template, the relative time feature of storage is comprised is compared, as long as this Nt
Individual element is identical to be considered as that the match is successful, if differing then it is assumed that it fails to match, when being compared for two relative times
Particular order between each element of feature does not require；
When step 11a) and step 11b) when the match is successful simultaneously then it is assumed that characteristic matching success, to user's return authentication
Successful result simultaneously allows user to use mobile terminal；Otherwise it is assumed that characteristic matching failure, to the knot of user's return authentication failure
Fruit return to step 9.
Claims (5)
1. a kind of mobile terminal user identity identifying system based on matrix and relative time feature, including：Input/output module,
Matrix sequence feature and relative time characteristic extracting module and authentication module it is characterised in that：
Described input/output module, including：
Configuration submodule, the configuration information setting for receive user, this configuration information includes：The contact series of user input
Shortest length Lmin, the element number N of relative time featuret；
Input submodule, for being registered and during certification in user, the touch screen of mobile terminal previously generates one by
The matrix of the m*n that contact is constituted, there is unique numbering X wherein each contacti, by user on this matrix according to configuration submodule
Related setting one figure of input, the relevant information of record input, this relevant information includes the contact passed through during tablet pattern
The entry time of the contact series being constituted and each contact and time departure；
Output sub-module, for feeding back to user by the result of registration and certification；
Described matrix sequence feature and relative time characteristic extracting module, including：
Pretreatment submodule, the contact series information for coming to input/output module transmission carries out simplifying to be integrated, and will each
The into and out time of contact is converted to residence time on this contact of user；
Feature extraction submodule, special with relative time for extracting matrix sequence feature from pretreated input information
Levy；
Template sub-module stored, matrix sequence feature and the relative time feature for obtaining when registering customers as carries out storage and makees
For the template of user authentication, and in certification, this template is sent to authentication module；
Described authentication module, including：
Matrix sequence characteristic matching submodule, for by user in certification the matrix sequence feature of input information and certification template
In matrix sequence feature mated, and matching result is returned to input/output module；
Relative time characteristic matching submodule, for by user in certification the relative time feature of input information and matching template
In relative time feature mated, and this matching result is returned to input/output module；
Described matrix sequence feature, refers to contact series S in input information when registering the first time simplifying after integrating
First point is designated as P1, second point be designated as P2..., q-th point is designated as Pq, this contact series is expressed as P1P2…Pq, according to
Each contact numbering X in a matrixi, obtain by constituted numbered sequence X of the numbering of contact in contact seriesp1Xp2…Xpq, and
Using this numbered sequence as first time register when input information matrix sequence feature；
Described relative time feature, refers to that in input information when registering the first time simplifying after integrating, user is in each point
Upper residence time Δ TiIt is ranked up by order from big to small, extract the front N after sequencetThe sequence number of the individual time of staying, and
By this NtThe relative time feature of input information when sequence number was registered as first time.
2. a kind of mobile terminal user identity authentication method based on matrix and relative time feature, including：
(1) user's registration step：
(1a) user opens mobile terminal user identity Verification System, and inquiry is whether user carried out registration, if carrying out,
Jump to step (2)；Otherwise, enter step 1b)；
(1b) it is set by the user configuration parameter, this parameter includes the shortest length L of user input contact seriesmin, relative time special
The element number N levyingt；
(1c) matrix of a m*n being made up of contact is previously generated for the first time on the touch screen of mobile terminal, wherein each
There is unique numbering X contacti, by user on this matrix according to step 1b) in setting parameter input a figure, record defeated
The relevant information entering, the contact series that the contact that this relevant information includes passing through during tablet pattern is constituted and each contact
Entry time and time departure；
(1d) to step 1c) in record user input information carry out simplify integrate, will each contact into and out
Time is converted to residence time on this contact of user, extracts matrix sequence from simplifying the user input information after integrating
Row feature and relative time feature；
(1e) matrix of a m*n being made up of contact is previously generated for the second time on the touch screen of mobile terminal, wherein each
There is unique numbering X contacti, repeated in 1c on this matrix by user) in input, record input relevant information, this phase
Contact series that the contact that pass information includes passing through during tablet pattern is constituted and the entry time of each contact and when leaving
Between；
(1f) to 1e) in record user input information carry out simplify integrate, will each contact the into and out time
Be converted to residence time on this contact of user, extract matrix sequence spy the user input information after integrating from simplifying
Levy and relative time feature；
(1g) judge 1d) with step 1f) in the matrix sequence feature that extracts whether consistent with relative time feature, if unanimously,
Then execution step 1h)；Otherwise return to step 1a)；
(1h) use step 1g) in the matrix sequence feature that extracts constitute certification template with relative time feature and store, return
Step 1a)；
(2) user authentication process：
(2a) matrix of a m*n being made up of contact is previously generated for the third time on the touch screen of mobile terminal, wherein each
There is unique numbering X contacti, a figure, the phase of record input are inputted according to setting during registration on this matrix by user
Entering of pass information, the contact series that the contact that this relevant information includes passing through during tablet pattern is constituted and each contact is fashionable
Between and time departure；
(2b) to step 2a) in the information of user input carry out simplifying and integrate, will turn into and out time of each contact
It is changed to residence time on this contact of user；Extract matrix sequence feature from simplifying the user input information after integrating
With relative time feature；
(2c) coupling of matrix sequence feature and relative time feature
2c1) by step 2b) in extract matrix sequence feature and be designated as：Xp1’Xp2’…Xpq', the matrix sequence in certification template is special
Levy and be designated as：Xp1Xp2…Xpq, compare two matrix sequence features, when meeting Xp1=Xp1', Xp2=Xp2' ..., Xpq=Xpq' when, then
Think that the match is successful, otherwise it is assumed that it fails to match；
2c2) by step 2b) in Nt element being comprised of the relative time feature that extracts with certification template storage relative
The Nt element that temporal characteristics are comprised is compared, as long as this Nt element is identical is considered as that the match is successful, if differing,
Think that it fails to match；
When step 2c1) and step 2c2) when the match is successful simultaneously then it is assumed that characteristic matching success, execution step 2d)；Otherwise, recognize
It is characterized that it fails to match, return to step 2a)；
(2d) by step 2c) in matching result return to user, user obtains the access right of mobile terminal.
3. the mobile terminal user identity authentication method based on matrix and relative time feature according to claim 2, its
Be characterised by step 1d), step 1f) and step 2b) described in the into and out time of each contact is converted to
Residence time on this contact of user, is carried out as follows：
First, time user being entered each point is recorded as Ti successively1、Ti2…Tim-1、Tim, user is left each point
Time is recorded as To successively1、To2…Tom-1、Tom；
Then, according to user enter each point time and user leave each point Time Calculation user stop on each contact
The time stayed is designated as Δ Ti, i.e. Δ T1=To1-Ti1、ΔT2=To2-Ti2、…、ΔTm=Tom-Tim.
4. the mobile terminal user identity authentication method based on matrix and relative time feature according to claim 2, its
Be characterised by described step 1d), step 1f) and step 2b) in from simplify integrate after user input information extract
Matrix sequence feature, is carried out as follows：
First, first point of the contact series in this input information is designated as P1, second point be designated as P2..., q-th point of note
For Pq, then this contact series can be expressed as P1P2…Pq；
Then, numbering X in a matrix according to each contacti, obtain by the constituted numbered sequence of the numbering of contact in contact series
Xp1Xp2…Xpq, and using this numbered sequence as matrix sequence feature.
5. the mobile terminal user identity authentication method based on matrix and relative time feature according to claim 2, its
Be characterised by described step 1d), step 1f) and step 2b) in from simplify integrate after user input information extract
Relative time feature, is that residence time is ranked up by order from big to small on each aspect by user, extracts sequence
Front N afterwardstThe sequence number of the individual time of staying, and by this NtSequence number is as relative time feature.
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| US6356649B2 (en) * | 1997-04-11 | 2002-03-12 | Arete Associate, Inc. | “Systems and methods with identity verification by streamlined comparison and interpretation of fingerprints and the like” |
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| CN102135991A (en) * | 2011-03-11 | 2011-07-27 | 桂林电子科技大学 | Backward learning-based dynamic multi-attribute service selecting method |
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