CN103544427A - Password retrieving method and device of mobile terminal - Google Patents
Password retrieving method and device of mobile terminal Download PDFInfo
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- CN103544427A CN103544427A CN201310503931.9A CN201310503931A CN103544427A CN 103544427 A CN103544427 A CN 103544427A CN 201310503931 A CN201310503931 A CN 201310503931A CN 103544427 A CN103544427 A CN 103544427A
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- password
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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
- G06F21/45—Structures or tools for the administration of authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2131—Lost password, e.g. recovery of lost or forgotten passwords
Abstract
The invention provides a password retrieving method and device of a mobile terminal. The number of targeted wrong passwords, existing in a password dictionary, in wrong passwords input by a user is determined according to the wrong passwords input by the user, and an unlocking password is sent according to the number of the targeted working passwords in the password dictionary. Since the password dictionary is frequently used for cracking passwords maliciously, it can judge whether or not the user utilizes the password dictionary to maliciously crack the unlocking password of the mobile terminal according to the number of the targeted wrong password in the password dictionary, further the unlocking password is sent according to a judgment result, the password can be retrieved when the user forgets the unlocking password, and safety in password retrieve is improved.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of fetching cipher method and apparatus of mobile terminal.
Background technology
Along with the continuous lifting of intelligent mobile terminal interactivity, the security of the user profile of storing in mobile terminal is also more and more important.At present, often depend on the mode that the file that the screen of mobile terminal or mobile terminal are stored arranges unlocking pin mobile terminal is locked, to avoid leaking of user profile.User, before using mobile terminal or access file, need to input correct unlocking pin, only when Password Input is correct, and just can release.
For the set password of user, if consider from improving safety perspective, need to use long and complicated password, as the long password of numeral, capitalization and lowercase mixing, but the often more difficult memory of this long password, easily occurs can not using the situation of mobile terminal owing to forgetting Password.In prior art, if user forgets Password, only can adopt the mode of factory reset, delete this unlocking pin, user profile is also deleted simultaneously, and therefore, existing mobile terminal can not, when user forgets Password, carry out fetching cipher.
Summary of the invention
The invention provides a kind of fetching cipher method and apparatus of mobile terminal, for when user forgets Password, carry out fetching cipher.
First aspect of the present invention is to provide a kind of fetching cipher method of mobile terminal, comprising:
According to the bad password of user's input, determine the number that is present in the target bad password in password dictionary in described bad password;
According to the described number that is present in the target bad password in password dictionary, send unlocking pin.
Another aspect of the present invention is to provide a kind of fetching cipher device of mobile terminal, comprising:
Determination module, for according to the bad password of user's input, determines the number that is present in the described bad password in password dictionary in described bad password;
The first sending module, for being present in the number of the target bad password of password dictionary described in basis, sends unlocking pin.
The fetching cipher method and apparatus of mobile terminal provided by the invention, by the bad password of inputting according to user, determine the number that is present in the target bad password in password dictionary, according to the number that is present in the target bad password in described password dictionary, send unlocking pin.Because password dictionary is often used to malice decryption, therefore, according to the number that is present in the target bad password in described password dictionary, whether can judge user is utilizing password dictionary to carry out the unlocking pin that malice cracks mobile terminal, and then send unlocking pin according to the result of judgement, not only realize fetching cipher when user forgets unlocking pin, and improved the security that unlocking pin is fetched.
Accompanying drawing explanation
The schematic flow sheet of the fetching cipher method of the mobile terminal that Fig. 1 provides for one embodiment of the invention;
The schematic flow sheet of the fetching cipher method of the mobile terminal that Fig. 2 provides for another embodiment of the present invention;
The structural representation of the fetching cipher device of the mobile terminal that Fig. 3 provides for one embodiment of the invention;
The structural representation of the fetching cipher device of the mobile terminal that Fig. 4 provides for another embodiment of the present invention.
Embodiment
The schematic flow sheet of the fetching cipher method of the mobile terminal that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1, comprising:
101,, according to the bad password of user input, determine the number that is present in the target bad password in password dictionary in whole bad password that user inputs.
Wherein, the password with high frequency of utilization that password dictionary obtains for storing statistics.So-called password dictionary, is mainly by coordinating code breaking software to be used, and comprises the habitual password arranging of many people in password dictionary, can improve like this code breaking success ratio and the hit rate of code breaking software, shortens the time of code breaking.Conventional dictionary creation pattern mainly contains CustomDict, kinds of characters collection, date dictionary, english dictionary, weak passwurd dictionary, spelling book, telephone number maker, name spelling book, the phonetic annotation of Chinese characters, cuts apart output etc. at present.The password dictionary of using in the present invention should be included the conventional password of each intelligent mobile phone system having exposed on internet in dictionary, and places it in the prostatitis of password dictionary.
When the number of the bad password of described user input surpasses Second Threshold and/or distance users when the time of input error password surpasses the 3rd threshold value first, described bad password is compared with the password of storing in password dictionary, obtain in the bad password of user's input, be present in the number of the target bad password in described password dictionary.
102,, according to the number that is present in the target bad password in password dictionary, send unlocking pin.
Concrete, if the number that is present in the target bad password in described password dictionary, lower than predetermined threshold value, sends unlocking pin according to default contact method; If be present in the number of the target bad password in described password dictionary, be not less than described predetermined threshold value, according to described default contact method, send warning message.
In the present embodiment, by according to the bad password of user's input, determine the number that is present in the target bad password in password dictionary, according to the number that is present in the target bad password in described password dictionary, send unlocking pin.Because password dictionary is often used to malice decryption, therefore, according to the number that is present in the target bad password in described password dictionary, whether can judge user is utilizing password dictionary to carry out the unlocking pin that malice cracks mobile terminal, and then send unlocking pin according to the result of judgement, not only realized fetching cipher when user forgets unlocking pin, and the security that has improved fetching cipher.
The schematic flow sheet of the fetching cipher method of the mobile terminal that Fig. 2 provides for another embodiment of the present invention, as shown in Figure 2, comprising:
201, receive the also bad password of recording user input.
According to the password of user's input, determine whether bad password, if password and the unlocking pin of user input are not inconsistent, what determine that user inputs is bad password, from user first input error password, carry out record, the bad password of user's input is stored.
202, when the number of the bad password of described user input surpasses Second Threshold and/or distance users when the time of input error password surpasses the 3rd threshold value first, whole bad password of user's input is compared with the password of storing in password dictionary, obtain the number that is present in the target bad password in described password dictionary.
Wherein, the password of storing in password dictionary comprises the one or more combinations in date, English word, the Chinese phonetic alphabet and telephone number.
When user first input error password start, start counter and/or timer, respectively the number of the bad password of user's input is counted, and/or the user that adjusts the distance the time of input error password is carried out timing first.And to the bad password of user's input is stored.When counter reaches Second Threshold, as 5, and/or timer reaches the 3rd threshold value, during as 120 seconds, bad password compared with the password of storing in password dictionary, obtains the number that is present in the target bad password in described password dictionary.
It should be noted that, when counter reaches Second Threshold and/or timer and reaches the 3rd threshold value, or user is while inputting correct unlocking pin, and counter and/or timer carry out zero clearing.
203, the number that judgement is present in the target bad password in password dictionary whether lower than first threshold, if not, carries out 204 with the ratio of the number of the bad password of user's input, if so, carries out 205 to 208.
Because malice decryption is usually used password dictionary, and stored in password dictionary, add up a large amount of conventional passwords that obtain, such as: the password that ios device is conventional, be 1234,0000,2580 and 1111 etc., in addition, conventional password also comprises the date, date relevant with the birthday particularly, as 1999,0101,19850804 etc.; The Chinese phonetic alphabet of name, as xiaoming, xiaohong, liming etc.; And fixed telephone number and cell-phone number etc.According to statistics, also can find for Chinese user, also commonly use password, 123456, qwerty, abc123, letmein, myspacel, password1, blink182 and user's name etc.Thereby, the number that is present in the target bad password in password dictionary by judgement with the ratio of the number of the bad password of user's input whether lower than first threshold, for example 50%, can judge user and whether utilize password dictionary to carry out the unlocking pin that malice cracks mobile terminal.Wherein, password dictionary can be arranged in mobile terminal when mobile terminal dispatches from the factory, and by server, regularly upgrades, and also can be upgraded voluntarily by the user through authentication.
For example: if be present in the number of the target bad password in password dictionary, surpass half with the ratio of the number of the bad password of user's input, determine that user is utilizing the password attempt in password dictionary to carry out malice release; Otherwise, determine that user forgets password, need to fetch unlocking pin.
204, according to default contact method, send warning message.
Wherein, contact method comprises E-mail address and/or mobile terminal number.
Obtain in advance user's standby E-mail address and/or spare moving termination number, according to default contact method, adopt the mode that sends mail or send note to send warning message, to inform that active user is utilizing the password attempt in password dictionary to carry out malice release.Before sending warning information, can also be in advance by calling the api function of camera and locating device, thereby operation camera and locating device, utilize the user's of current this mobile terminal of use of camera collection head portrait, also can utilize locating device, as GPS locating device, gather the positional information at this current place of mobile terminal, the warning message of the head portrait that transmission comprises user and the positional information at current place.
It should be noted that, generally enabling of camera and locating device is by user's clicking operation, to have triggered the operation of the api function that calls this application, in the number of judging target bad password, be not less than first threshold with the ratio of the number of the bad password of user's input in the present embodiment, the api function of Background scheduling camera and locating device, above-mentioned two situations are only under different condition, to call the api function of camera and locating device.
205, utilize camera to obtain user's head portrait.
Whether the head portrait that 206, judges user mates with pre-stored sample head portrait, if so, carries out 207, if not, carries out 208.
Described user's head portrait and pre-stored sample head portrait are compared, determine whether described user's head portrait mates with described sample head portrait.By when according to the number that is present in the target bad password in password dictionary with the ratio of the number of the bad password of user's input lower than first threshold, determine when user forgets password, further judge whether user's head portrait mates with sample head portrait, thereby determine whether this user is validated user, if user's head portrait mates and determines that the user is validated user with sample head portrait, improved the security of fetching cipher.
207, according to default contact method, send unlocking pin.
208, gather current location information, according to default contact method, send the warning message of the current location information that comprises user's head portrait and/or collect.
In the present embodiment, by according to the bad password of user's input, determine the number that is present in the target bad password in password dictionary, according to the number that is present in the target bad password in described password dictionary, send unlocking pin.Because password dictionary is often used to malice decryption, therefore, according to the number that is present in the target bad password in described password dictionary, whether can judge user is utilizing password dictionary to carry out the unlocking pin that malice cracks mobile terminal, and then send unlocking pin according to the result of judgement, not only realized fetching cipher when user forgets unlocking pin, and the security that has improved fetching cipher.
The structural representation of the fetching cipher device of the mobile terminal that Fig. 3 provides for one embodiment of the invention, as shown in Figure 3, comprising: determination module 32 and the first sending module 33.
Wherein, password dictionary is for storing the password that disabled user has cracked, and the password of storing in password dictionary comprises the one or more combinations in date, English word, the Chinese phonetic alphabet and telephone number.
Optionally, when determination module 32 surpasses Second Threshold specifically for the number of the bad password when described user input and/or distance users when the time of input error password surpasses the 3rd threshold value first, the bad password of described user's input is compared with the password of storing in password dictionary, described in determining, be present in the number of the target bad password in described password dictionary.
The first sending module 33, is connected with determination module 32, for being present in the number of the target bad password of password dictionary described in basis, sends unlocking pin.
In the present embodiment, by according to the bad password of user's input, determine the number that is present in the target bad password in password dictionary, according to the number that is present in the target bad password in described password dictionary, send unlocking pin.Because password dictionary is often used to malice decryption, therefore, according to the number that is present in the target bad password in described password dictionary, whether can judge user is utilizing password dictionary to carry out the unlocking pin that malice cracks mobile terminal, and then send unlocking pin according to the result of judgement, not only realized fetching cipher when user forgets unlocking pin, and the security that has improved fetching cipher.
The structural representation of the fetching cipher device of the mobile terminal that Fig. 4 provides for another embodiment of the present invention, as shown in Figure 4, on the basis of a upper embodiment, the first sending module 33 in the present embodiment further comprises:
The first transmitting element 332, if for described in be present in password dictionary the number of target bad password with the ratio of the number of the bad password of described user input lower than first threshold, according to default contact method, send unlocking pin.
Wherein, contact method comprises E-mail address and/or mobile terminal number.
Further, the fetching cipher device of mobile terminal, also comprises:
The second sending module 34, if for described in be present in the target bad password of password dictionary number be not less than described first threshold with the ratio of the number of the bad password of described user input, according to described default contact method, send warning message.
Further, the first sending module 33 also comprises: acquiring unit 333, determining unit 334 and the second transmitting element 335.
Acquiring unit 333, before sending unlocking pin according to default contact method, utilizes camera to obtain described user's head portrait.
Determining unit 334, is connected with the first transmitting element 332 with acquiring unit 333, for described user's head portrait and pre-stored sample head portrait are compared, determines that described user's head portrait mates with described sample head portrait.
Determining unit 334, also, for after described user's head portrait and pre-stored sample head portrait are compared, if determine, described user's head portrait does not mate with described sample head portrait, collection current location information.
The second transmitting element 335, is connected with determining unit 334, after gathering current location information, sends the warning message of the current location information that comprises described user's head portrait and/or collect according to described default contact method for determining unit 334.
In the present embodiment, by according to the bad password of user's input, determine the number that is present in the target bad password in password dictionary, according to the number that is present in the target bad password in described password dictionary, send unlocking pin.Because password dictionary is often used to malice decryption, therefore, according to the number that is present in the target bad password in described password dictionary, whether can judge user is utilizing password dictionary to carry out the unlocking pin that malice cracks mobile terminal, and then send unlocking pin according to the result of judgement, not only realized fetching cipher when user forgets unlocking pin, and the security that has improved fetching cipher.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of programmed instruction.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a fetching cipher method for mobile terminal, is characterized in that, comprising:
According to the bad password of user's input, determine the number that is present in the target bad password in password dictionary in described bad password;
According to the described number that is present in the target bad password in password dictionary, send unlocking pin.
2. the fetching cipher method of mobile terminal according to claim 1, is characterized in that, is present in the number of the target bad password in password dictionary described in described basis, sends unlocking pin, comprising:
If described in be present in the target bad password in password dictionary number with the ratio of the number of the bad password of described user's input lower than first threshold, according to default contact method, send unlocking pin.
3. the fetching cipher method of mobile terminal according to claim 1, is characterized in that, described according to the bad password of user's input, after determining the number that is present in the described bad password in password dictionary in described bad password, also comprises:
If described in be present in the target bad password in password dictionary number be not less than described first threshold with the ratio of the number of the bad password of described user's input, according to described default contact method, send warning message.
4. the fetching cipher method of mobile terminal according to claim 2, it is characterized in that, the number that is present in the target bad password in password dictionary if described with the ratio of the number of the bad password of described user's input lower than first threshold, before sending unlocking pin according to default contact method, also comprise:
Utilize camera to obtain described user's head portrait;
Described user's head portrait and pre-stored sample head portrait are compared, determine that described user's head portrait mates with described sample head portrait;
Described described user's head portrait and pre-stored sample head portrait are compared after, also comprise:
If determine, described user's head portrait does not mate with described sample head portrait, gathers current location information;
According to described default contact method, send the warning message of the current location information that comprises described user's head portrait and/or collect.
5. according to the fetching cipher method of the mobile terminal described in claim 1-4 any one, it is characterized in that, the described bad password of inputting according to user, determines the number that is present in the target bad password in password dictionary in described bad password, comprising:
When the number of the bad password of described user input surpasses Second Threshold and/or distance users when the time of input error password surpasses the 3rd threshold value first, the bad password of described user input is compared with the password of storing in password dictionary, determine the number that is present in the target bad password in described password dictionary described in the bad password that described user inputs.
6. a fetching cipher device for mobile terminal, is characterized in that, comprising:
Determination module, for according to the bad password of user's input, determines the number that is present in the described bad password in password dictionary in described bad password;
The first sending module, for being present in the number of the target bad password of password dictionary described in basis, sends unlocking pin.
7. the fetching cipher device of mobile terminal according to claim 6, is characterized in that, described sending module, comprising:
The first transmitting element, if for described in be present in password dictionary the number of target bad password with the ratio of the number of the bad password of described user input lower than first threshold, according to default contact method, send unlocking pin.
8. the fetching cipher device of mobile terminal according to claim 7, is characterized in that, the fetching cipher device of described mobile terminal, also comprises:
The second sending module, if for described in be present in the target bad password of password dictionary number be not less than described first threshold with the ratio of the number of the bad password of described user input, according to described default contact method, send warning message.
9. the fetching cipher device of mobile terminal according to claim 8, is characterized in that, described sending module, also comprises:
Acquiring unit, before sending unlocking pin according to default contact method, utilizes camera to obtain described user's head portrait;
Determining unit, for described user's head portrait and pre-stored sample head portrait are compared, determines that described user's head portrait mates with described sample head portrait;
Described determining unit, also, for after described user's head portrait and pre-stored sample head portrait are compared, if determine, described user's head portrait does not mate with described sample head portrait, gathers current location information;
Described sending module, also comprises:
The second transmitting element, after gathering current location information, sends the warning message of the current location information that comprises described user's head portrait and/or collect for determining unit according to described default contact method.
10. according to the fetching cipher device of the mobile terminal described in claim 6-9 any one, it is characterized in that,
Described determination module, while surpassing Second Threshold specifically for the number of the bad password when described user input and/or distance users when the time of input error password surpasses the 3rd threshold value first, the bad password of described user's input is compared with the password of storing in password dictionary, determine the number that is present in the target bad password in described password dictionary described in bad password of stating of the user of institute input.
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| CN201310503931.9A CN103544427A (en) | 2013-10-23 | 2013-10-23 | Password retrieving method and device of mobile terminal |
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| CN105491236A (en) * | 2015-12-02 | 2016-04-13 | 小米科技有限责任公司 | Terminal unlocking method and device |
| CN105893806A (en) * | 2016-03-30 | 2016-08-24 | 北京金山安全软件有限公司 | Unlocking processing method and device and mobile terminal |
| CN106909812A (en) * | 2015-12-23 | 2017-06-30 | 北京奇虎科技有限公司 | Terminal unlocking processing method and terminal |
| CN108769398A (en) * | 2018-05-18 | 2018-11-06 | 中国联合网络通信集团有限公司 | A kind of unlocking method and device, terminal of terminal |
| CN110581827A (en) * | 2018-06-07 | 2019-12-17 | 深信服科技股份有限公司 | Detection method and device for brute force cracking |
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