CN108875426A - Password identification method - Google Patents
Password identification method Download PDFInfo
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- CN108875426A CN108875426A CN201810649882.2A CN201810649882A CN108875426A CN 108875426 A CN108875426 A CN 108875426A CN 201810649882 A CN201810649882 A CN 201810649882A CN 108875426 A CN108875426 A CN 108875426A
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- password input
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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
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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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
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/83—Protecting input, output or interconnection devices input devices, e.g. keyboards, mice or controllers thereof
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- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
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- General Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
Action message during Password Input is a kind of individual information feature, has differences between different people.The present invention proposes a kind of password identification method, while acquiring password, acquire the action message during Password Input, even if encrypted message input is correct,, also can not be by password authentification if the action message during Password Input is incorrect, and judge that password is stolen accordingly, it takes timely measure, prevents loss occurrence.The present invention becomes an organic whole using Password Input motor habit as another encryption information of password behind, with password itself, greatly improves the safety of password, and simple and convenient.
Description
Technical field
The present invention relates to IT technology more particularly to a kind of password identification methods.
Background technique
Password is convenient and efficient, and application scenarios are very extensive, but password is stolen and brings a lot of trouble to the password owner, mesh
Before be not possible to learn that password has been stolen in advance, only after causing damages, by investigation just know have occurred password be stolen,
A kind of technical method that the recognition code before loss occurrence is stolen is needed, the safety of password is improved.
Summary of the invention
The object of the present invention is to provide a kind of password identification methods, by believing encrypted message and Password Input process action
The comprehensive descision of breath identifies, improves the safety of password, and can be found that password is stolen.
A kind of password identification method proposed by the present invention, feature include the following steps：
Establish the action recognition information of Password Input process；
Acquire the action message of encrypted message and Password Input process；
Whether the encrypted message of verifying acquisition coincide with preset cipher code recognition information, compares the Password Input action message of acquisition
It is whether consistent with established Password Input action recognition information；
If the encrypted message and preset cipher code recognition information of acquisition coincide, meanwhile, the Password Input action message of acquisition with
Established Password Input action recognition information is consistent, judges that Password Input is correct, otherwise, judges that Password Input is incorrect.
Action message during Password Input, such as pressing or dynamics, the Password Input speed, rhythm of clicking number key
Equal motor habits, the walking of the same person are spoken etc. as habits, are a kind of individual information features, it is poor to exist between different people
It is different.Using Password Input motor habit as another encryption information of password behind, become one with password itself has the present invention
Machine is whole, greatly improves the safety of password, and simple and convenient.Password Input action recognition information can be practised according to user
It is used to be established automatically by deep learning method or statistical method, it can also especially be set by user, the present invention is close in acquisition
While code information, the action message during Password Input is acquired, even if encrypted message input is correct, if Password Input mistake
Action message in journey is incorrect, also can not be by password authentification, and judges that password is stolen accordingly, takes timely measure, prevents
Loss occurrence.
Below with reference to embodiment, the technical schemes of the invention are described in detail.
Detailed description of the invention
The duration schematic diagram for pressing the number key is clicked when Fig. 1 is Password Input.
Fig. 2 is the time interval schematic diagram inputted between two adjacent Password Inputs.
The pressure schematic diagram of the number key is clicked in pressing when Fig. 3 is Password Input.
Fig. 4 is Password Input key time durations curve graph.
Fig. 5 is password identification method flow diagram.
Specific embodiment
Password Input is finger pressing or the action process for clicking several number keys, and the power of number key is clicked in different people pressing
Degree, the speed of input password or rhythm etc. are different, and can reflect that the different of different people input by Password Input action message
Habit or feature.When the Password Input action message includes Password Input click or press the number key duration or
Dead time or Password Input between Password Input click one or more combinations in the pressure value for pressing the number key.
It is shown in FIG. 1 that the duration schematic diagram for pressing the number key is clicked when being Password Input, it is assumed that password is one 6
Bit digital, abscissa indicate that the sequence n of Password Input, ordinate indicate time t, it can be seen that when the 1st, 4 Password Input
The duration that number key is pressed is relatively long, and the duration that number key when the 2nd, 6 Password Input is pressed is opposite
It is shorter, that is, during Password Input, the 1st, 4 Password Input process is relatively slow, the 2nd, 6 Password Input acts phase
To very fast.
In actual signal acquisition process, pressed if a number is clicked for a long time, what system acquisition arrived can
It can be a string of continuous digital signals, centre is not paused, and this can be processed into and only collect signal of the password figure,
The duration that the number for the digital signal occur is pressed as the number key.
Shown in Fig. 2 is the time interval between the two adjacent specific cryptosystem numeral inputs of input or dead time signal
Figure, it is assumed that password is 6 bit digitals, and abscissa indicates that the sequence n of Password Input, ordinate indicate time t, it can be seen that
Time interval or dead time between 1st to the 2nd and the 3rd to the 4th Password Input is relatively long, figure middle line slope over 10
Larger, the time interval or dead time between the 2nd to the 3rd and the 4th to the 5th Password Input are relatively short, figure middle line
Slope over 10 is smaller.Reflect during Password Input, it is close to the 4th to the 2nd password, by the 3rd password by the 1st password
The rhythm of the variation of Password Input twice of code is relatively slow, by the 2nd password to the 3rd password, by the 4th password to the 5th
The rhythm of password Password Input variation twice is relatively fast.
The finger pressure schematic diagram shown in Fig. 3 that the number key is clicked when being Password Input, is arranged in password figure key
Micropressure sensor inputs finger pressure when each password to detect.Assuming that password is 6 bit digitals, abscissa is indicated
The sequence n of Password Input, ordinate indicate pressure P, it can be seen that the pressure that number key when the 2nd, 4 Password Input is pressed
Power is relatively large, and the pressure that number key when the 6th Password Input is pressed is relatively small, that is, in Password Input process
In, the 2nd, the 4th Password Input click action it is relatively heavy, the 6th Password Input click action is relatively light.
It is direct collected user action information during Password Input shown in Fig. 1 ~ 3, further, it is also possible to upper
It states acquisition information to be pocessed, by reflecting user action feature compared with special object, including when Password Input, click is pressed
Push down the dead time between the duration of the number key and specific duration fiducial value or Password Input and specific pause
Time fiducial value or Password Input press one or more combinations in the pressure and specific keys pressure fiducial value of the number key.
The fiducial value includes the mathematical calculations such as difference, ratio, further includes the logical values such as size.
Duration and the Password Input key duration that the key is pressed when for example, inputting a certain password are total and/or average
Time interval and adjacent Password Input key interval time between two adjacent specific cryptosystems of the ratio between value or input is total and/or flat
The pressure and Password Input pressure of the ratio between mean value or a certain password of input is total and/or the ratio between average value.
For another example, pressed when inputting a certain password the duration of the key with it is adjacent（Upper one or Next Password）Password
The ratio between input when key continues or difference or two adjacent Password Inputs between time interval and adjacent password input time
Interval（Upper a pair or the adjacent password of lower a pair）The ratio between or difference or input a certain password when pressing click pressure with it is adjacent close
Code input（Upper one or Next Password）Pressing click the ratio between pressure or difference.
For another example, it is pressed when the duration of the key continues with a specific cryptosystem input key when inputting a certain password
Than or difference or two adjacent Password Inputs between time interval and the ratio between a specific password input time interval or it
The ratio between pressure and pressing click pressure of a specific cryptosystem input or difference are clicked in pressing when difference or a certain password of input.
By especially compared with adjacent password, can more preferably reflect during Password Input compared with special object
Movement convenient for user's setting, remember oneself with respect to feature or the opposite variation of movement, the relativeness acted using Password Input
Motion characteristic.
The present invention by comparison acquisition Password Input action message be with established Password Input action recognition information
It is no consistent, judge whether Password Input movement is correct.
Whether the action recognition information for first having to establish Password Input process is correct as the action message for judging acquisition
Standard including the acquisition information by Password Input action process under particular state, for example acquires under setup parameter state close
Code input action data information, is analyzed through processing, using one group of Password Input action data as Password Input action recognition standard,
Or pass through, using statistical result as Password Input movement for statistical analysis to Password Input action message history acquisition data
Criterion of identification.
User password input action identification information is established except through statistical method, machine learning or depth can also be passed through
Study models Password Input motor habit, for example establishes discriminate depth framework, is judging to pass through use when the error occurs
The feedback information at family is corrected, and the accuracy of identification user password input action feature is continuously improved.
The action recognition information of Password Input movement acquisition information and foundation is compared, if Password Input movement acquisition information
It is less than given threshold with the difference of the action recognition information of foundation, judges that Password Input movement is correct, otherwise, judge Password Input
It acts incorrect.
A kind of control methods is that judgement, all inputs in one group of password of calculating are compared by the movement of whole Password Input
Whether the difference of movement acquisition information and the action recognition information of foundation is less than given threshold.With click or pressing code number key
Duration for, calculate all Password Input key time durations of acquisition and/or average value held with established key
The continuous time and/or average value absolute difference judges movement acquisition information and movement if the difference is less than given threshold
Identification information is consistent, and Password Input movement is correct, and otherwise, Password Input movement is incorrect.Further, it is also possible to be by sequence of coden
Calculate the exhausted of the difference of established password key duration of each Password Input key time durations and corresponding sequence acquired
To value, if all Password Input key time durations difference summations are less than given threshold, judge that Password Input movement is correct, it is no
Then, incorrect.
Another control methods is to be compared judgement by the movement of single Password Input, calculates the Password Input with foundation
Whether the Password Input movement acquisition information number that action recognition Information Number value difference is less than given threshold is greater than the set value.To click
Or for the pressure of pressing code number key, the Password Input key press of acquisition and established corresponding password key pressure are calculated
The absolute value of power difference, if the input password number that difference is less than given threshold is greater than the set value, such as at least 2 passwords
Input action pressure difference value is less than given threshold, judges the Password Input action message of acquisition and the action recognition information one of foundation
It causes, it is otherwise, inconsistent.
Another control methods is compared by the movement of specific Password Input, and the specific cryptosystem includes adjacent close
Password such as first password or third position of such as adjacent 3 passwords of 2 passwords or adjacent continuous of code etc., particular order
Password etc., the corresponding password in specific data the key position such as corresponding password of numeric keypad diagonal position number or middle position number
The corresponding password of word.
It is whether consistent that information Password Input action recognition information corresponding with foundation is acquired by specific cryptosystem input action
Judged, for example, the 2nd password figure key pressing duration or key press or the 1st password it is defeated to the 2nd password
Time interval or the 2nd password between entering is corresponding with foundation to identify to the time interval etc. between the 3rd Password Input
Whether information difference absolute value is less than given threshold.
Further, it is also possible to be acted by the relativeness between specific cryptosystem input action with the corresponding Password Input of foundation
Between relativeness consistency judged, such as than the 1st password of the 2nd password figure key pressing duration it is short or
Key press is than the 1st big or the 1st password is to than the 2nd password of the time interval between the 2nd Password Input to the 3rd
Time interval etc. between Password Input.
Additionally specific cryptosystem can be formed by the way that password is grouped in order, as shown in figure 3, every 3 continuous ciphers
It is divided into one group：1st, 2,3 password is the 1st group, and the 2nd, 3,4 password is the 2nd group, and the 3rd, 4,5 password is the 3rd group, the 4th,
5,6 passwords are the 4th group.In group 1, intermediate cryp-tographic key pressure is maximum, and in the 2nd group, intermediate cryp-tographic key pressure is minimum,
In 3rd group, intermediate cryp-tographic key pressure is maximum, and in the 4th group, the 1st cryptographic key pressure is maximum.Pass through grouping comparison password figure
Key pressure inter-relationship finds out the motion characteristic during Password Input, if there is 2 groups or 2 groups of features above coincide, can sentence
Disconnected Password Input movement is correct.
Another control methods is the relativeness of more adjacent Password Input movement, compares adjacent Password Input movement and adopts
Whether the relativeness collected in information data relativeness and the Password Input action recognition information of foundation is consistent.For example, comparison
Size in the adjacent Password Input key press relative size relationship of acquisition and the Password Input action recognition information of foundation is closed
Be it is whether consistent, if the consistent password number of relativeness is greater than the set value, judge acquisition Password Input action message with
The action recognition information of foundation is consistent, otherwise, inconsistent.
Above-mentioned control methods be directly with Password Input process movement acquisition information and foundation action recognition information into
Row comparison, below method be to be compared and analyzed again after carrying out processing analysis to Password Input action message.
It is a kind of processing analysis method be judge Password Input movement acquire information graphic feature and foundation Password Input
Whether the graphic feature of action recognition information is consistent.In Fig. 3, connects the number key during each Password Input and be pressed
Power forms pressue-graph, and each number key pressure dependence feature during it can be seen that Password Input in curve is in one
" M " type, two peaks, one paddy, distributes alternately, and first wave crest is made of the 1st, 2,3 password key pressure, and first trough is
It is made of the 2nd, 3,4 password key pressure, second wave crest is made of the 3rd, 4,5 password key pressure, the figure
It is characterized in that two peaks press from both sides a paddy, the position specifically occurred can be different, and the shape of wave crest, trough, i.e. width or height can be different,
If figure is identical, judge that Password Input movement is correct.
Shown in Fig. 4 is Password Input key time durations curve graph, and curve is presented two troughs and presss from both sides a wave crest in figure,
Each number key during Password Input is pressed time relationship feature in " W " type, and two paddy, one peak distributes alternately, and first
A trough is made of the 1st, 2,3,4 password key duration, and first wave crest is held by the 2nd, 3,4,5 password key
Continuous time composition, second trough are made of the 4th, 5,6 password key duration, which is characterized in two paddy folder one
Peak, the position specifically occurred can be different, and the shape of wave crest, trough, i.e. width or height can be different, if figure is identical,
Judge that Password Input movement is correct.
The above-mentioned single judgment method for being merely illustrative graphic feature can combine a variety of graphic features in specific implementation
Judged, it is not limited to this.
, variation consistent for Password Input rhythm of action less, or acquires data and normal distribution is presented, can be using statistics
Analysis method compares the statistics of the Password Input action message statistical nature of acquisition and the Password Input action recognition information of foundation
Whether feature is consistent.
A kind of method of statistical analysis is interval estimation, including mean value, variance etc., is moved by the Password Input of statistics gatherer
Make historical data, calculates mean value or variance confidence interval in the case where setting confidence level such as 95%, establish Password Input action recognition
Standard is judging Password Input movement just if the mean value or variance of the password action information data of acquisition are fallen in confidence interval
Really, otherwise, Password Input movement is incorrect.
Another method of statistical analysis assumes that inspection, including mean value, variance etc., passes through the Password Input of statistics gatherer
Historical data is acted, the null hypothesis of the mean value or variance in the case where setting significance such as 5% is carried out, establishes Password Input movement
Criterion of identification is examined in receiving area if the mean value or variance of the password action information data of acquisition are in, i.e., difference is not shown
It writes, null hypothesis is very, to judge that Password Input movement is correct, examine reject region if be in, that is, there is significant difference, former vacation
It is set as false, judges that Password Input movement is incorrect.
The yet another method of statistical analysis is variance analysis, such as least significant difference method, is calculating T inspection statistics
After amount, F inspection statistics value is compared with the F distribution critical numerical value under the significance of setting such as 5%, if F examines system
Evaluation falls in the receiving area that F distribution critical numerical value defines, and judges that Password Input movement is correct, conversely, Password Input movement is not
Correctly.
Whether the present invention is coincide by the encrypted message of verifying acquisition with preset cipher code recognition information, meanwhile, comparison is adopted
Whether just whether the Password Input action message of collection and established Password Input action recognition information unanimously judge Password Input
Really, judge whether Password Input is correct, password identification method is as shown in figure 5, include the following steps：
（1）Establish the action recognition information of cipher code recognition information and Password Input process；
（2）Acquire the action message of encrypted message and Password Input process；
（3）Whether the encrypted message of verifying acquisition coincide with preset cipher code recognition information, compares the Password Input movement of acquisition
Whether information and established Password Input action recognition information are consistent；
（4）If the encrypted message of acquisition and preset cipher code recognition information coincide, meanwhile, the Password Input action message of acquisition
It is consistent with established Password Input action recognition information, judge that Password Input is correct, otherwise, judges that Password Input is incorrect.
According to aforementioned password identification method, apparatus for security code recognition of the invention, including number key, processing unit, storage list
Member, wherein establish action recognition information, the presetting cipher identification information of Password Input process in the memory unit；Pass through number
The action message of key acquisition encrypted message and Password Input process；The encrypted message and preset password of processing unit verifying acquisition
Whether identification information coincide, compare acquisition Password Input action message and established Password Input action recognition information whether
Unanimously；If the encrypted message and preset cipher code recognition information of acquisition coincide, meanwhile, the Password Input action message of acquisition with
Established Password Input action recognition information is consistent, and processing unit judges that Password Input is correct, otherwise, judges Password Input not
Correctly.
Further, patch type micropressure sensor is set in the password figure key, is detected when inputting each password
Finger pressure, and it is transmitted to processing unit.
The motion characteristic of Password Input because of people, such as men and women click or the pressure weight of pressing code number key not
Together, old man is different from the speed speed of young man's Password Input, and the tempo variation during someone's Password Input is obvious, and someone
Tempo variation is small.Meanwhile Password Input motion characteristic is also related with relative position of the password on numeric keypad, such as adjacent close
Pause or interval time between code input is short, pause between two adjacent Password Inputs diagonal in numeric keypad or when
Between be spaced it is long etc..
For Password Input motion characteristic it will be evident that pressure can be clicked by key, duration, inputted in pause
One or two of prominent features, such as the motion characteristic or adjacent Password Input relative size logical relation etc. of specific cryptosystem input, it is right
Password Input movement carries out identification judgement, identifies error in judgement caused by secondary cause fluctuation to eliminate in user action habit.
It is unconspicuous for Password Input motion characteristic, pressure can be clicked in conjunction with key, duration, inputted in pause
Global feature, such as mean value, graphic feature, statistical value etc. carry out comprehensive descision.
Claims (10)
1. a kind of password identification method, feature include the following steps：
Establish the action recognition information of Password Input process；
Acquire the action message of encrypted message and Password Input process；
Whether the encrypted message of verifying acquisition coincide with preset cipher code recognition information, compares the Password Input action message of acquisition
It is whether consistent with established Password Input action recognition information；
If the encrypted message and preset cipher code recognition information of acquisition coincide, meanwhile, the Password Input action message of acquisition with
Established Password Input action recognition information is consistent, judges that Password Input is correct, otherwise, judges that Password Input is incorrect.
2. method according to claim 1, it is characterized in that：The Password Input action recognition information of establishing includes by specific
The acquisition information of Password Input action process is established under state, or the statistics of data is acquired by Password Input action message history
Information is established.
3. method according to claim 1, it is characterized in that：Pressing should when the Password Input action message includes Password Input
Dead time or Password Input between the duration or Password Input of number key click the pressure value for pressing the number key
At least one of.
4. method according to claim 1, it is characterized in that：Pressing should when the Password Input action message includes Password Input
Dead time and specific dead time ratio between the duration and specific duration fiducial value or Password Input of number key
Compared at least one of pressure and the specific keys pressure fiducial value that value or Password Input press the number key.
5. according to claim 1 or 2 or 3 or 4 the methods, it is characterized in that：The Password Input movement acquisition information and movement
Identification information unanimously includes that the difference of the action recognition information of Password Input movement acquisition information and foundation is less than given threshold.
6. method according to claim 5, it is characterized in that：The Password Input movement acquisition information and action recognition information one
Cause include and establish action recognition Information Number value difference less than given threshold Password Input movement acquisition number be greater than the set value.
7. method according to claim 5, it is characterized in that：The Password Input movement acquisition information and action recognition information one
Cause the movement acquisition information including specific cryptosystem input consistent with action recognition information.
8. according to claim 1 or 2 or 3 or 4 the methods, it is characterized in that：The Password Input movement acquisition information and movement
Identification information unanimously includes the figure spy of the graphic feature of the Password Input action message of acquisition and the action recognition information of foundation
Sign is consistent.
9. according to claim 1 or 2 or 3 or 4 the methods, it is characterized in that：The Password Input movement acquisition information and movement
Identification information unanimously includes the Password Input action message statistical nature of acquisition and the action recognition Information Statistics feature one of foundation
It causes.
10. according to claim 1 or 3 the methods, it is characterized in that：Micropressure sensor is set in password figure key, with inspection
Survey finger pressure when inputting each password.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649882.2A CN108875426A (en) | 2018-06-22 | 2018-06-22 | Password identification method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649882.2A CN108875426A (en) | 2018-06-22 | 2018-06-22 | Password identification method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162940A (en) * | 2018-12-21 | 2019-08-23 | 奇安信安全技术(珠海)有限公司 | Account login method and device, electronic equipment and storage medium |
| CN110324360A (en) * | 2019-08-02 | 2019-10-11 | 联永智能科技（上海）有限公司 | Offline cryptogram setting, management method, device, system, server and medium |
| CN111339506A (en) * | 2020-02-21 | 2020-06-26 | 安徽斯跑特科技有限公司 | Customer management platform for sale of trusted operating system |
-
2018
- 2018-06-22 CN CN201810649882.2A patent/CN108875426A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162940A (en) * | 2018-12-21 | 2019-08-23 | 奇安信安全技术(珠海)有限公司 | Account login method and device, electronic equipment and storage medium |
| CN110324360A (en) * | 2019-08-02 | 2019-10-11 | 联永智能科技（上海）有限公司 | Offline cryptogram setting, management method, device, system, server and medium |
| CN111339506A (en) * | 2020-02-21 | 2020-06-26 | 安徽斯跑特科技有限公司 | Customer management platform for sale of trusted operating system |
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Application publication date: 20181123 |