CN102880560A - User privacy data protection method and mobile terminal using user privacy data protection method - Google Patents
User privacy data protection method and mobile terminal using user privacy data protection method Download PDFInfo
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- CN102880560A CN102880560A CN2011102027965A CN201110202796A CN102880560A CN 102880560 A CN102880560 A CN 102880560A CN 2011102027965 A CN2011102027965 A CN 2011102027965A CN 201110202796 A CN201110202796 A CN 201110202796A CN 102880560 A CN102880560 A CN 102880560A
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Abstract
The invention provides a user privacy data protection method and a mobile terminal using the user privacy data protection method. The user privacy data protection method comprises the following steps of: (a) periodically taking a user face image, and performing face identification on the taken user face image; (b) when an identification result indicates that a current user is not the owner of the mobile terminal, automatically hiding encrypted contents in the mobile terminal, and adding 1 to a counting value of a first counter; (c) if the counting value of the first counter reaches a first threshold, driving a display unit of the mobile terminal to display a password input interface to request a user to input a password; (d) if the number of times of continuous input of a wrong password reaches a second threshold, starting a self-destruction system of the mobile terminal; and (e) when the identification result indicates that the current user is the owner of the mobile terminal, activating all functions of the mobile terminal, and resetting the first counter.
Description
Technical field
The portable terminal that the present invention relates to a kind of privacy of user data guard method and use the method more particularly, relates to and a kind ofly automatically hides the privacy of user data guard method of encrypted content and the portable terminal that uses the method based on face recognition technology.
Background technology
Along with development in science and technology, the function of portable terminal (for example, mobile phone, personal digital assistant (PDA), portable media player (PMP), IPAD etc.) from strength to strength, the user also has more and more stronger requirement to mobile terminal safety.When using portable terminal, a lot of private datas can be stored in the portable terminal.For the business people, the portable terminal of carrying is exactly a device that holds all information.Therefore, be stored in the private data in the portable terminal in case spread, the loss that brings never is the value of a portable terminal itself.In this case, how protecting the private data and the capsule information that are stored in the user in the portable terminal, is the problem of a key.
At present, the method for protection information of mobile terminal safety general is that password is set.The input password just can enter operating system when mobile terminal-opening, again inputs password when checking telephone directory, note, file after the start and comes release.Recently, also occurred utilizing face identification functions to save the portable terminal of input cryptographic processes, but when identifying the user and be not the portable terminal owner, direct refusing user's is to any operation of portable terminal.
The mode of input password has two each and every one drawbacks, and the one, use suitable loaded down with trivial detailsly, check before the encrypted content all must the input password at every turn, and interference user normally uses portable terminal, causes user satisfaction to descend; The 2nd, after the portable terminal release, frontly obtained by other people as unlocked, still can enter portable terminal and browse the contents such as contact person, short message, file, still do not reach secret measure.On the other hand, for the mode of utilizing face identification functions identification user, although need not manually to input password, when not being the portable terminal owner, the user portable terminal can be automatically locked identifying, can affect like this user's who uses portable terminal convenience.
Summary of the invention
To be partly articulated in the following description the other aspect of the present invention and/or advantage, by describing, it can become clearer, perhaps can understand by implementing the present invention.
According to an aspect of the present invention, provide a kind of privacy of user data guard method for portable terminal, described method comprises: (a) periodically take user's face image, and user's face image of taking is carried out recognition of face; (b) when definite recognition result indication active user is not the portable terminal owner, automatically hides the encrypted content in the portable terminal, and the count value of the first counter is added 1; (c) if the count value of the first counter reaches first threshold, then drive the display unit display password inputting interface of portable terminal, input password to require the user; (d) reach Second Threshold if determine the number of times of continuous input error password, then start the portable terminal destruct system; (e) when definite recognition result indication active user is the portable terminal owner, activate all functions of portable terminal, and with the first counter O reset.
In addition, when portable terminal during by first initialization, take the possessory face image of portable terminal, the face image of taking is identified, and the recognition result of the possessory face image of memory mobile terminal.
In addition, when portable terminal during by first initialization, the display unit display password of portable terminal arranges the interface so that the user arranges initial password, and with the first counter O reset.
In addition, the recognition result by the user's face image that will take compares with the recognition result of the possessory face image of portable terminal of storage, and whether the recognition result of determining user's face image of shooting indicates the active user is the portable terminal owner.
In addition, when definite recognition result indication active user is the portable terminal owner, allow the portable terminal owner that the content in the portable terminal is encrypted and/or decryption oprerations, revise the password of initial setting up, and the encrypted content in the portable terminal is visible.
In addition, if before the number of times of continuous input error password reaches Second Threshold, inputted proper password, then activate all functions of portable terminal, and with the first counter O reset.
According to a further aspect in the invention, provide a kind of privacy of user data protection unit for portable terminal, described privacy of user data protection unit comprises: image unit is used for periodically taking user's face image; Face identification unit is used for user's face image of taking is carried out recognition of face; The first counter; Control module when definite recognition result indication active user is not the portable terminal owner, is automatically hidden the encrypted content in the portable terminal, and the count value of the first counter is added 1; If the count value of the first counter reaches first threshold, then drive the display unit display password inputting interface of portable terminal, input password to require the user; Reach Second Threshold if determine the number of times of continuous input error password, then start the portable terminal destruct system; When definite recognition result indication active user is the portable terminal owner, activate all functions of portable terminal, and with the first counter O reset.
In addition, when portable terminal during by first initialization, image unit is taken the possessory face image of portable terminal, and face identification unit is identified the face image of taking, and the recognition result of the possessory face image of memory mobile terminal.
In addition, when portable terminal during by first initialization, the display unit display password that control module drives portable terminal arranges the interface so that the user arranges initial password, and with the first counter O reset.
In addition, the recognition result of control module by the user's face image that will take compares with the recognition result of the possessory face image of portable terminal of storage, and whether the recognition result of determining user's face image of shooting indicates the active user is the portable terminal owner.
In addition, when definite recognition result indication active user is the portable terminal owner, control module activates all functions of portable terminal, thereby allow the portable terminal owner that the content in the portable terminal is encrypted and/or decryption oprerations, revise the password of initial setting up, and the encrypted content in the portable terminal is visible.
In addition, if inputted proper password before the number of times of continuous input error password reaches Second Threshold, then control module activates all functions of portable terminal, and with the first counter O reset.
According to a further aspect in the invention, provide a kind of portable terminal with privacy of user data protection unit, described privacy of user data protection unit comprises: image unit is used for periodically taking user's face image; Face identification unit is used for user's face image of taking is carried out recognition of face; The first counter; Control module when definite recognition result indication active user is not the portable terminal owner, is automatically hidden the encrypted content in the portable terminal, and the count value of the first counter is added 1; If the count value of the first counter reaches first threshold, then drive the display unit display password inputting interface of portable terminal, input password to require the user; Reach Second Threshold if determine the number of times of continuous input error password, then start the portable terminal destruct system; When definite recognition result indication active user is the portable terminal owner, activate all functions of portable terminal, and with the first counter O reset.
Therefore, according to the present invention, can effectively protect privacy of user.Compare with traditional cryptoguard, the time of input password has also been avoided the risk that forgets Password simultaneously when having saved operating mobile terminal.Compare with traditional stiff cryptoguard, lively more flexibly, not can be appreciated that the content of encryption during non-moving terminal owner's operating mobile terminal fully, can not bring to him/her not to be subjected to the sensation of trusting, greatly improved user's experience.Simultaneously, attraction, attractive force and the business opportunity of portable terminal have also been increased
Description of drawings
By the description of embodiment being carried out below in conjunction with accompanying drawing, these and/or other aspect of the present invention and advantage will become clear and be easier to and understand, wherein:
Fig. 1 is the block diagram that illustrates according to the portable terminal of the protection privacy of user data of the embodiment of the invention;
Fig. 2 is the block diagram that illustrates according to the privacy of user data protection unit of the embodiment of the invention;
Fig. 3 is the process flow diagram that illustrates according to the privacy of user data guard method of the embodiment of the invention.
Embodiment
Now the embodiment of the invention is described in detail, its example shown in the accompanying drawings, wherein, identical label represents same parts all the time.Below with reference to the accompanying drawings embodiment is described to explain the present invention.
Fig. 1 is the block diagram that illustrates according to the portable terminal of the protection privacy of user data of the embodiment of the invention.According to the embodiment of the invention, portable terminal can be mobile phone.Yet, the invention is not restricted to this, portable terminal can also be PDA, PMP, IPAD etc.
With reference to Fig. 1, portable terminal comprises controller 100, display unit 102, input block 104, storer 106, privacy of user data protection unit 108, communication unit 112, antenna 114, codec 116, microphone 118 and loudspeaker 120.
The all operations were of controller 100 control portable terminals.For example, controller 100 processing and control communication (for example, speech and data communication) are encrypted/decipher content according to user's input, input the password of setting and/or modification portable terminal etc. according to the user.
The status information (or designator), numeral and character, motion picture or the still frame etc. that produce during display unit 102 display operations.Especially, display unit 102 can be under the driving of privacy of user data protection unit 108 the display password inputting interface, input password to require the user.Selectively, display unit 102 can be configured to touch-screen.
Privacy of user data protection unit 108 is periodically taken user's face image, and user's face image of taking is carried out recognition of face; When definite recognition result indication active user is not the portable terminal owner, automatically hide the encrypted content in the portable terminal, and the count value that will be arranged on the first counter wherein adds 1; When definite recognition result indication active user is the portable terminal owner, activate all functions of portable terminal, and with the first counter O reset; If the count value of the first counter reaches first threshold (for example 3, but be not limited to this), then drive the display unit 102 display password inputting interfaces of portable terminal, input password to require the user; Reach Second Threshold (for example 3, but be not limited to this) if determine the number of times of continuous input error password, then start the portable terminal destruct system.
In receiving operation, communication unit 112 will carry out down coversion by the RF signal that antenna 114 receives, and the RF signal that receives is carried out channel-decoding; In transmit operation, 112 pairs of communication units carry out chnnel coding with the data that are sent out, with the concurrent data of serving frequency conversion of the signal up-conversion of carrying data.
Codec 116 is connected to controller 100, and microphone 118 and loudspeaker 120 are connected to codec 116.Codec 116, microphone 118 and loudspeaker 120 are as the audio frequency input/output module of voice communication.
Fig. 2 is the block diagram that illustrates according to the privacy of user data protection unit 108 of the embodiment of the invention.
With reference to Fig. 2, privacy of user data protection unit 108 comprises: image unit 201 is used for periodically taking user's face image; Face identification unit 202 is used for user's face image of taking is carried out recognition of face; The first counter 203; Control module 204, when definite recognition result indication active user is not the portable terminal owner, control module 204 is hidden the encrypted content in the portable terminal automatically, and the count value of the first counter 203 added 1, when definite recognition result indication active user is the portable terminal owner, control module 204 activates all functions of portable terminal, and with 203 zero clearings of the first counter.If the count value of the first counter reaches first threshold, then control module 204 drives the display unit 102 display password inputting interfaces of portable terminal, to require the user to input password, reach Second Threshold if determine the number of times of continuous input error password, then control module 204 starts the portable terminal destruct system.
Specifically, when portable terminal was sold, buyer's (that is, the portable terminal owner) was with the initialization portable terminal, thus excited users private data guard unit 108.At this moment, image unit 201 is taken the possessory face image of portable terminal, and the possessory face image of portable terminal of 202 pairs of shootings of face identification unit is identified, and the recognition result of the possessory face image of memory mobile terminal.Here, the recognition result of face identification unit 202 can be stored in the storer 106, also can be stored in the storage unit (not shown) of face identification unit 202 self.Yet, the invention is not restricted to this, the recognition result of face identification unit 202 also can be stored in the independent storage unit.On the other hand, when privacy of user data protection unit 108 was activated, display unit 102 display passwords that control module 204 can drive portable terminal arranged the interface, thereby allowed the user that initial password is set.
After the portable terminal initialization, image unit 201 is periodically taken the user's of portable terminal face image.According to the embodiment of the invention, image unit 201 can be taken every 10 minutes a user's face image.Yet, the invention is not restricted to this, the portable terminal owner can at random arrange the shooting cycle of image unit 201.
After the user's who takes unit 201 shooting portable terminals face image, user's face image of 202 pairs of shootings of face identification unit is identified.Here, face identification unit 202 can adopt various existing face recognition technologies to come user's face image of taking is identified.After user's face image of taking is identified, control module 204 compares the recognition result of user's face image of the taking recognition result with the possessory face image of portable terminal of storage, and whether indicating the active user with the recognition result of user's face image of determining shooting is the portable terminal owner.If determine that the recognition result indication active user of user's face image of shooting is the portable terminal owner, then control module 204 activates all functions of portable terminals, thereby allows the portable terminal owner that portable terminal is carried out various operations.For example, the portable terminal owner can be encrypted the content in the portable terminal and/or decryption oprerations, also can revise the password of initial setting up, and comprise that encrypted content (that is, privacy of user data) all is visible at the full content of interior portable terminal.Simultaneously, control module 204 is with 203 zero clearings of the first counter.On the other hand, after the portable terminal initialization, the portable terminal owner can carry out various operations to portable terminal.Yet if determine that the recognition result indication active user of user's face image of shooting is not the portable terminal owner, control module 204 is hidden the encrypted contents in the portable terminals automatically, thereby the active user can not see encrypted content.Simultaneously, control module 204 adds 1 with the count value of the first counter 203.
According to the embodiment of the invention, have 3 kinds of Permission Levels in the portable terminal, wherein, grade 0 is unshielded content, and grade 1 is encrypted content, and grade 2 is temporary content.The content that is set to grade 2 only just can generate when the portable terminal owner operates, and will be deleted behind portable terminal owner EO, and does not stay any vestige.
According to the embodiment of the invention, encrypted content includes, but not limited to contact person, message registration, note, multimedia message, Email, multimedia file, instant messaging (such as QQ, MSN, Fetion etc.), Alipay, Skype, microblogging etc.
According to the embodiment of the invention, control module 204 also can comprise the second counter (not shown).When the portable terminal initialization, the first counter 203 and the equal zero clearing of the second counter.When the recognition result indication active user of user's face image of determining to take was not the portable terminal owner, the count value of the first counter 203 added 1.Thereafter, control module 204 determines whether the count value of the first counter 203 reaches first threshold.If the count value of the first counter 203 does not reach first threshold, then control module 204 is hidden the encrypted content in the portable terminal automatically.Simultaneously, control module 204 only activates the partial function of portable terminal, thereby the active user can only limitedly use mobile portable terminal.For example, the active user can to the content-encrypt in the portable terminal, that is, not allow the active user that the Permission Levels of content are set.If the count value of the first counter 203 reaches first threshold, then control module 204 drives display unit 102 display password inputting interfaces, inputs password to require the user.If the user inputs proper password, then with the second counter O reset.Thereafter, control module 204 activates all functions of portable terminal, thereby allows the active user that portable terminal is carried out various operations, and with 203 zero clearings of the first counter.At this moment, the active user is considered as the portable terminal owner.If user's input error password, then the count value of the second counter adds 1, then display unit 102 display password inputting interface again.When the count value (that is, the number of times of the continuous input error password of user) of the second counter when reaching Second Threshold, control module 204 starts the portable terminal destruct systems.
Fig. 3 is the process flow diagram that illustrates according to the privacy of user data guard method of the embodiment of the invention.
According to the embodiment of the invention, the privacy of user data guard method may further comprise the steps: periodically take user's face image, and user's face image of taking is carried out recognition of face; When definite recognition result indication active user is not the portable terminal owner, automatically hides the encrypted content in the portable terminal, and the count value of the first counter is added 1; When definite recognition result indicating mobile terminal owner, activate all functions of portable terminal, and with the first counter O reset; If the count value of the first counter reaches first threshold, then drive the display unit display password inputting interface of portable terminal, input password to require the user; Reach Second Threshold if determine the number of times of continuous input error password, then start the portable terminal destruct system.
Before the privacy of user data guard method of the executive basis embodiment of the invention; when portable terminal during by first initialization (; when portable terminal is initialised after selling); take the possessory face image of portable terminal and the face image of taking is identified, then the recognition result of the possessory face image of memory mobile terminal.Meanwhile, the display unit display password of portable terminal arranges the interface so that the user arranges initial password, and will be arranged on two counters (that is, the first counter and the second counter) zero clearing in the portable terminal.As mentioned above, the first counter and the second counter can be arranged in the control module 204 of privacy of user data protection unit 108.
With reference to Fig. 3, at step S301, periodically take user's face image, and user's face image of taking is carried out recognition of face.At step S302, whether the recognition result of definite user's face image of taking indicates the active user is the portable terminal owner.Here, the recognition result by the user's face image that will take compares with the recognition result of the possessory face image of portable terminal of storage, and whether the recognition result of determining user's face image of shooting indicates the active user is the portable terminal owner.If the recognition result of user's face image of taking indication active user is the portable terminal owner, then at step S303, activates all functions of portable terminal, thereby allow the portable terminal owner that portable terminal is carried out various operations.The portable terminal owner can be encrypted the content in the portable terminal and/or decryption oprerations, can revise the password of initial setting up, also can see the full content of the portable terminal that comprises encrypted content.At step S304, with the first counter O reset.According to the embodiment of the invention, can be before step S303 execution in step S304.Thereafter, method is returned step S301, continues periodically to take user's face image and identify.
If the recognition result of user's face image of taking is not the portable terminal owner, then at step S305, the count value of the first counter is added 1.Then, at step S306, determine whether the count value of the first counter reaches first threshold.If the count value of the first counter does not reach first threshold, then at step S307, automatically hide the encrypted content in the portable terminal.At this moment, the user of portable terminal can not see encrypted content, can not carry out cryptographic operation.Thereafter, method is returned step S301, continues periodically to take user's face image and identify.
If the count value of the first counter reaches first threshold, then at step S308, drive the display unit display password inputting interface of portable terminal to require the user to input password.At step S309, what determine that the user inputs is proper password or bad password.If the user inputs proper password, then at step S310, with the second counter O reset.Then, method forwards step S103 (if step S304 carried out, then forwarding step S304 to before step S303) to, thereby allows the user that portable terminal is carried out various operations.At this moment, the active user is considered as the portable terminal owner.If user's input error password then at step S311, adds 1 with the count value of the second counter.Then, at step S312, determine whether the count value of the second counter reaches Second Threshold.If the count value of the second counter does not reach Second Threshold, then return step S308, the display password inputting interface is to require the user to input password again.Yet, if the count value of the second counter reaches Second Threshold, at step S313, start the portable terminal destruct system.
As mentioned above, according to the privacy of user data guard method of the embodiment of the invention and the portable terminal that uses the method, can effectively protect privacy of user.Compare with traditional cryptoguard, the time of input password has also been avoided the risk that forgets Password simultaneously when having saved operating mobile terminal.Compare with traditional stiff cryptoguard, lively more flexibly, not can be appreciated that the content of encryption during non-moving terminal owner's operating mobile terminal fully, can not bring to him/her not to be subjected to the sensation of trusting, greatly improved user's experience.Simultaneously, attraction, attractive force and the business opportunity of portable terminal have also been increased.
Although shown and described some embodiment, it should be appreciated by those skilled in the art that without departing from the principles and spirit of the present invention can make amendment to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (13)
1. privacy of user data guard method that is used for portable terminal, described method comprises:
(a) periodically take user's face image, and user's face image of taking is carried out recognition of face;
(b) when definite recognition result indication active user is not the portable terminal owner, automatically hides the encrypted content in the portable terminal, and the count value of the first counter is added 1;
(c) if the count value of the first counter reaches first threshold, then drive the display unit display password inputting interface of portable terminal, input password to require the user;
(d) reach Second Threshold if determine the number of times of continuous input error password, then start the portable terminal destruct system;
(e) when definite recognition result indication active user is the portable terminal owner, activate all functions of portable terminal, and with the first counter O reset.
2. method according to claim 1 wherein, when portable terminal during by first initialization, is taken the possessory face image of portable terminal, the face image of taking identified, and the recognition result of the possessory face image of memory mobile terminal.
3. method according to claim 2, wherein, when portable terminal during by first initialization, the display unit display password of portable terminal arranges the interface so that the user arranges initial password, and with the first counter O reset.
4. method according to claim 2, wherein, recognition result by the user's face image that will take compares with the recognition result of the possessory face image of portable terminal of storage, and whether the recognition result of determining user's face image of shooting indicates the active user is the portable terminal owner.
5. method according to claim 3, wherein, when definite recognition result indication active user is the portable terminal owner, allow the portable terminal owner that the content in the portable terminal is encrypted and/or decryption oprerations, revise the password of initial setting up, and the encrypted content in the portable terminal is visible.
6. method according to claim 2 wherein, if inputted proper password before the number of times of continuous input error password reaches Second Threshold, then activates all functions of portable terminal, and with the first counter O reset.
7. privacy of user data protection unit that is used for portable terminal, described privacy of user data protection unit comprises:
Image unit is used for periodically taking user's face image;
Face identification unit is used for user's face image of taking is carried out recognition of face;
The first counter;
Control module when definite recognition result indication active user is not the portable terminal owner, is automatically hidden the encrypted content in the portable terminal, and the count value of the first counter is added 1; If the count value of the first counter reaches first threshold, then drive the display unit display password inputting interface of portable terminal, input password to require the user; Reach Second Threshold if determine the number of times of continuous input error password, then start the portable terminal destruct system; When definite recognition result indication active user is the portable terminal owner, activate all functions of portable terminal, and with the first counter O reset.
8. privacy of user data protection unit according to claim 7; wherein; when portable terminal during by first initialization; image unit is taken the possessory face image of portable terminal; face identification unit is identified the face image of taking, and the recognition result of the possessory face image of memory mobile terminal.
9. privacy of user data protection unit according to claim 8, wherein, when portable terminal during by first initialization, the display unit display password that control module drives portable terminal arranges the interface so that the user arranges initial password, and with the first counter O reset.
10. privacy of user data protection unit according to claim 8; wherein; the recognition result of control module by the user's face image that will take compares with the recognition result of the possessory face image of portable terminal of storage, and whether the recognition result of determining user's face image of shooting indicates the active user is the portable terminal owner.
11. privacy of user data protection unit according to claim 9; wherein; when definite recognition result indication active user is the portable terminal owner; control module activates all functions of portable terminal; thereby allow the portable terminal owner that the content in the portable terminal is encrypted and/or decryption oprerations; revise the password of initial setting up, and the encrypted content in the portable terminal is visible.
12. privacy of user data protection unit according to claim 8; wherein; if inputted proper password before the number of times of continuous input error password reaches Second Threshold, then control module activates all functions of portable terminal, and with the first counter O reset.
13. the portable terminal with privacy of user data protection unit, described privacy of user data protection unit comprises:
Image unit is used for periodically taking user's face image;
Face identification unit is used for user's face image of taking is carried out recognition of face;
The first counter;
Control module when definite recognition result indication active user is not the portable terminal owner, is automatically hidden the encrypted content in the portable terminal, and the count value of the first counter is added 1; If the count value of the first counter reaches first threshold, then drive the display unit display password inputting interface of portable terminal, input password to require the user; Reach Second Threshold if determine the number of times of continuous input error password, then start the portable terminal destruct system; When definite recognition result indication active user is the portable terminal owner, activate all functions of portable terminal, and with the first counter O reset.
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