CN103488932A - Desktop security intercommunication system for mobile device and personal computer and implementation method thereof - Google Patents

Desktop security intercommunication system for mobile device and personal computer and implementation method thereof Download PDF

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Publication number
CN103488932A
CN103488932A CN201310484702.7A CN201310484702A CN103488932A CN 103488932 A CN103488932 A CN 103488932A CN 201310484702 A CN201310484702 A CN 201310484702A CN 103488932 A CN103488932 A CN 103488932A
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CN
China
Prior art keywords
computer
mobile
screen
unit
key
Prior art date
Application number
CN201310484702.7A
Other languages
Chinese (zh)
Inventor
李琳
杜凯
袁李庆
明敏
廖超图
Original Assignee
重庆邮电大学
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Publication date
Application filed by 重庆邮电大学 filed Critical 重庆邮电大学
Priority to CN201310484702.7A priority Critical patent/CN103488932A/en
Publication of CN103488932A publication Critical patent/CN103488932A/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31User authentication
    • G06F21/34User authentication involving the use of external additional devices, e.g. dongles or smart cards
    • G06F21/35User authentication involving the use of external additional devices, e.g. dongles or smart cards communicating wirelessly
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/44Program or device authentication
    • G06F21/445Program or device authentication by mutual authentication, e.g. between devices or programs

Abstract

The invention discloses a desktop security intercommunication method, namely a system, for a mobile device and a personal computer. The technical scheme is that the personal computer and the mobile device are solely bound; unique attributes of the mobile device are taken as keys; the computer timely responds and automatically enters a screen lock state when the computer detects that the mobile device departs from an effective range of the computer; the computer automatically identifies and unlocks the screen when the mobile device gets close to the computer within a certain range. By adopting the system and the method, the safety of computer information is timely protected; meanwhile, faster and simpler use is provided to a user.

Description

Desktop security mutual trust system and its implementation of a kind of mobile device and PC
Technical field
The present invention relates to PC DESKTOP INFORMATION security fields, specifically, relate to desktop security mutual trust system and its implementation of a kind of mobile device and PC.
Background technology
Along with the develop rapidly of computer science and technology, the use of PC and mobile device is universal gradually, and userspersonal information's safety problem more and more is subject to people's attention, and the leakage of important information is the problem that perplexs for a long time the user.At present PC has the regularly function of screen locking, and the user is by setting certain time limit, while detecting any operation arrived to mouse or keyboard within this time limit when computer, will automatically enter screen lock state; When the user wakes computer up, need the predefined security password of input could separate screen.
Exist following two kinds of shortcomings with upper type:
1) PC needs a specified time just can enter screen lock state, makes like this real-time of PC safety guarantee not high.In the time of in the user leaves the computer visual range, computer does not likely also enter screen lock state, now may allow other people have an opportunity to take advantage of, and threatens the safety of computerized information.
2) user, when waking computer up, needs the input security password to wake up, need to remember password, and operation is more loaded down with trivial details, has reduced the convenience that computer is used.
Summary of the invention
The above problem that the present invention exists for solving prior art; desktop security mutual trust system and its implementation of a kind of mobile device and PC are proposed; both protect in time the safety of computerized information by this system and method, provided faster simple use to the user simultaneously.
The total technical scheme of the inventive method is: PC and mobile device are carried out to unique binding, using the particular attribute of mobile device as key, when leaving in the effective range of computer to mobile device when computer detection, computer will make an immediate response and automatically enter screen lock state; In the time of in mobile device approaches the computer certain limit, screen will be identified and separate to computer automatically.
The concrete steps of the inventive method are as follows:
1) communication mode of mobile device setting and computer, safe distance, screen-unblocking pattern (comprise the automatic unlocking screen or shake screen-unblocking).
2) between mobile device and computer, connect.
3) mobile device obtains the international Mobile Equipment identification code (IMEI:International Mobile Equipment Identity) of key(Ru,, and sends to computer.
When 4) mobile device and computer connect for the first time, need to obtain the mandate of computer.After the computer mandate, the key that the 3rd step is obtained is saved in the file of appointment.When mobile device and computer connect next time, computer just judges by the key preserved whether mobile device authorizes.
5) server end in PC is monitored described mobile device connection status, send automatic detect-message at regular intervals between mobile device described computer, when the distance between mobile device and computer is greater than safe distance or is connected disconnection, the computer screen locking, at this moment the user uses computer just to need input to separate the screen computer controlled permutation and could separate screen.
6) server end in PC is monitored described mobile device connection status, send automatic detect-message at regular intervals between mobile device described computer, when between mobile device and computer the distance be less than safe distance the time, if the screen-unblocking pattern now arranged is automatic unlocking screen pattern, mobile device and computer connect automatically, and computer is separated screen automatically.If the screen-unblocking pattern now arranged is for shaking screen-unblocking, mobile device needs to shake that the solution that just can carry out computer is shielded or the screen locking of computer.
7) when the user does not carry out any operation to computer for a long time, the automatic screen locking of computer, and send a message to mobile device, when the user will use computer again, the user only need to shake mobile device, the screen automatic unlocking.
The present invention further proposes a kind of computer end that realizes the desktop security mutual trust method of described mobile device and PC, and described computer end comprises that computer end linkage unit, granted unit, key storage unit, ciphering unit, computer end are apart from detecting unit, connection monitoring unit, reconciliation screen unit, screen locking unit.Particularly:
Described computer end linkage unit, for the wireless connections of mobile device and PC, can be WIFI, can be also other wireless connections modes such as bluetooth.
Described granted unit, while connecting for the first time for mobile device and PC, computer completes and identifies and authorize this mobile device, and for example: mobile device is mobile phone, can be the identifier that phone number, mobile phone string slogan etc. can the unique identification safe mobile phones.
Described key storage unit, after connecting for the first time for computer end and mobile device end, computer end is preserved key.
Described ciphering unit, after connecting for the first time for described computer end and mobile device end, computer end is preserved file and password and the key that set needs are encrypted.
Described computer end is apart from detecting unit, for realizing the detection of distance between described computer end and mobile device, and can with the safe distance of a setting relatively, calculate actual range within the safe distance scope or outside.
Described connection monitoring unit, the monitoring for described computer end to the mobile device connection status, by receipt message, judge whether actual range belongs to safe distance, as belong to, and thinks that computer end and mobile device are in connection status; If do not belonged to, think that computer end and mobile device are in off-state.
Described screen locking unit, for the automatic screen locking of described computer end, described screen locking unit can be in described computer end off-state or while described computer not being carried out to any operation for a long time, and described computer end is carried out to automatic screen locking.
Described Xie Ping unit, automatically separate screen or shake and separate screen for described computer end, and described Xie Ping unit can carry out automatically separating screen or mobile terminal to described computer end and shake when described computer end is recovered connection status, and computer is separated screen automatically.
Described computer end is by the monitoring to the mobile device connection status, if, when the distance of computer and mobile device is connected disconnection with safe distance or computer greatly with mobile device, will carry out the screen locking operation to desktop; If, in the time of distance little and the safe distance of computer and mobile device, computer is separated screen automatically.
Further again, the present invention also proposes to realize the mobile device end of above desktop security mutual trust method, and described mobile device end comprises that mobile device linkage unit, key obtain with transmitting element, mobile device apart from detecting unit, message sending unit; Particularly:
Described mobile device linkage unit, for the wireless connections of mobile device and PC, can be WIFI, can be also other wireless connections modes such as bluetooth.
Described key obtains and transmitting element, for mobile device, obtains and sends key information to computer end.
Described mobile device is apart from detecting unit, for realizing the detection of distance between described mobile device and computer, and can with the safe distance of a setting relatively, calculate actual range within the safe distance scope or outside.
Described message sending unit, send message for described mobile device to computer.This message may be that connection message may be also the screen-unblocking message such as to shake.
Described mobile device to the connection of computer and mobile device when the connection status, send message to computer at regular intervals between mobile device, when the connection of computer and mobile device, during in off-state, mobile device automatically detects the connection device of computer and connects with computer.
The present invention also provides the communication system of the desktop security mutual trust method that realizes described mobile device and PC, described communication system comprises mobile device and PC communication connection medium, described communication connection medium is wifi or bluetooth or other short-distance wireless communication modes, take mode wifi and bluetooth as example, the acquiescence mode is wifi, when wifi when unavailable, will automatically switch to the bluetooth connection mode because of some factor.
Further, the present invention also provides the system of the desktop security mutual trust method of described mobile device and PC, and it comprises above-described computer end, mobile device and communication system.
Adopt the above system and method for the present invention, when the user leaves the computer certain distance, computer desktop can response immediately also enter screen lock state automatically, just can guarantee the safety of user profile.On the contrary, in the time of in the close computer certain limit of user, computer can automatically be identified and separate screen, will improve greatly computerized information and reach safely practicality.The distance of this user and PC, the mobile devices such as mobile phone that rely on the user to carry detect.
The present invention has following several beneficial effect:
1) for because have some reason need to leave the computer effective range and don't want to close the user of computer, can the mobile device of binding be carried out outside the computer effective range by the inventive method and system, computer will be identified screen locking automatically.
2) for not wanting to input security password, the user of unlock screen can use system of the present invention, by the mobile device that is carrying the authentication of mutual trust, enters in this computer effective range, and computer will automatically be identified and separate screen.
The accompanying drawing explanation
Fig. 1 is the process flow diagram of the desktop security mutual trust method of the mobile device that proposes of the present invention and PC.
Fig. 2 is the mobile device that proposes of the present invention and the desktop security mutual trust system architecture schematic diagram of PC.
Embodiment:
Further illustrate the specific implementation of the desktop security mutual trust system of mobile device that the present invention proposes and PC below in conjunction with accompanying drawing, referring to Fig. 1:
When the user uses the desktop security mutual trust system of mobile device and PC for the first time, need corresponding application program be installed in PC and mobile device, after installation procedure, at first open application program on PC, be mobile device afterwards and the configuration that is connected parameter of PC, process is as follows:
1) user opens on mobile device corresponding application program, the user arrange with the communication mode of computer, safe distance, screen-unblocking pattern (automatic unlocking screen or shake screen-unblocking).
2) between mobile device and computer, connect.
3) mobile device obtains international Mobile Equipment identification code (IMEI:International Mobile Equipment Identity) and sends to computer.
When 4) mobile device and computer connect for the first time, need to obtain the mandate of computer.After the computer mandate, the international Mobile Equipment identification code (IMEI) that the 3rd step is obtained is saved in the file of appointment.When mobile device and computer connect next time, the international Mobile Equipment identification code (IMEI) that computer is just preserved by movement judges whether mobile device authorizes.
5) be greater than safe distance with distance between computer or be connected when disconnecting when the user leaves computer and mobile device, the computer screen locking, at this moment the user uses computer just to need input to separate to shield computer controlled permutation and could separate screen.
6) when the user near the distance between computer and mobile device and computer be less than safe distance the time, if the screen-unblocking pattern now arranged is automatic unlocking screen pattern, mobile device and computer connect automatically, computer is separated screen automatically.If the screen-unblocking pattern now arranged is for shaking screen-unblocking, mobile device needs to be greater than certain frequency and shakes that the solution that just can carry out computer is shielded or the screen locking of computer.
7) when the user does not carry out any operation to computer for a long time, the automatic screen locking of computer, and send a message to mobile device (as mobile phone), when the user will use computer again, the user only need to be less than safe distance shake mobile phone, the screen automatic unlocking in scope.
Referring to Fig. 2, method of the present invention is by the desktop security mutual trust system realization of following mobile device and PC, and system is comprised of following several parts:
1) mobile device end
2) computer end
3) communication system
Functions is described as follows:
1) mobile device end
When the connection of computer and mobile device, during in connection status, mobile device sends to computer by the link information of user's operation information and mobile device and computer.It comprises that mobile device linkage unit, key obtain with transmitting element, mobile device apart from detecting unit, message sending unit, wherein:
Described mobile device linkage unit, for the wireless connections of mobile device and PC, can be WIFI, can be also other wireless connections modes such as bluetooth.
Described key obtains and transmitting element, for mobile device, obtains and sends key information to computer end.
Described mobile device is apart from detecting unit, for realizing the detection of distance between described mobile device and computer, and can with the safe distance of a setting relatively, calculate actual range within the safe distance scope or outside.
Described message sending unit, send message for described mobile device to computer.This message may be that connection message may be also the screen-unblocking message such as to shake.
Described mobile device end to the connection of computer and mobile device when the connection status, send message to computer at regular intervals between mobile device, when the connection of computer and mobile device, during in off-state, mobile device automatically detects the connection device of computer and connects with computer.
2) computer end
Monitoring by the server end in PC to the mobile device connection status, if, when the distance of computer and mobile device is connected disconnection with safe distance or computer greatly with mobile device, will carry out the screen locking operation to desktop.If in the time of distance little and the safe distance of computer and mobile device, if the screen-unblocking pattern now arranged is automatic unlocking screen pattern, computer is separated screen automatically.If the screen-unblocking pattern now arranged is for shaking screen-unblocking, mobile device needs to be greater than certain frequency and shakes that the solution that just can carry out computer is shielded or the screen locking of computer.
Computer end comprises that computer end linkage unit, granted unit, key storage unit, ciphering unit, computer end are apart from detecting unit, connection monitoring unit, reconciliation screen unit, screen locking unit.Particularly:
Described computer end linkage unit, for the wireless connections of mobile device and PC, can be WIFI, can be also other wireless connections modes such as bluetooth.
Described granted unit, while connecting for the first time for mobile device and PC, computer completes and identifies and authorize this mobile device, and for example: mobile device is mobile phone, can be the identifier that phone number, mobile phone string slogan etc. can the unique identification safe mobile phones.
Described key storage unit, after connecting for the first time for computer end and mobile device end, computer end is preserved key.
Described ciphering unit, after connecting for the first time for described computer end and mobile device end, computer end is preserved file and password and the key that set needs are encrypted.
Described computer end is apart from detecting unit, for realizing the detection of distance between described computer end and mobile device, and can with the safe distance of a setting relatively, calculate actual range within the safe distance scope or outside.
Described connection monitoring unit, the monitoring for described computer end to the mobile device connection status, by receipt message, judge whether actual range belongs to safe distance, as belong to, and thinks that computer end and mobile device are in connection status; If do not belonged to, think that computer end and mobile device are in off-state.
Described screen locking unit, for the automatic screen locking of described computer end, described screen locking unit can be in described computer end off-state or while described computer not being carried out to any operation for a long time, and described computer end is carried out to automatic screen locking.
Described Xie Ping unit, automatically separate screen or shake and separate screen for described computer end, and described Xie Ping unit can carry out automatically separating screen or mobile terminal to described computer end and shake when described computer end is recovered connection status, and computer is separated screen automatically.
3) communication system
This system is by automatic connected mode, and by mobile device being used as to the mode of key, in the time of the close computer certain distance of mobile device, mobile device and computer carry out from being dynamically connected; When mobile device leaves the computer certain distance, mobile device is connected automatic cutout with computer.The communication connection medium is wifi or bluetooth or other short-distance wireless communication modes.Take mode wifi and bluetooth as example, and the acquiescence mode is wifi, when wifi when unavailable, will automatically switch to the bluetooth connection mode because of some factor.
In the present invention, the binding of mobile device and computer is not limited to the screen-unblocking of computer, can also be bound with the file of computer the inside, application program, hardware etc.
The method of the desktop security mutual trust of mobile device of the present invention and PC can also relate to the door lock encryption and decryption aspect of every profession and trade, such as: when door is closed, can simulate " method of the desktop security mutual trust of mobile device and PC " and be arranged to the wireless release that adds, can avoid like this user to forget and lock, and convenient and easy.

Claims (10)

1. the desktop security mutual trust method of a mobile device and PC, it is characterized in that, described method is that PC and mobile device are carried out to unique binding, using the particular attribute of mobile device as key, when leaving in the effective range of computer to mobile device when computer detection, computer will make an immediate response and automatically enter screen lock state; In the time of in mobile device approaches the computer certain limit, screen will be identified and separate to computer automatically.
2. mode according to claim 1, it comprises the following steps:
(1) communication mode of mobile device setting and PC, safe distance, the screen-unblocking pattern;
(2) between mobile device and computer, connect;
(3) mobile device obtains key, and sends to computer;
(4) when mobile device and computer connect for the first time, need to obtain the mandate of computer, after the computer mandate, the key that computer obtains (3) step is saved in the file of appointment; When mobile device and computer connect next time, computer just judge by the key preserved whether mobile device has been the mandate mobile device;
(5) server end in PC is monitored described mobile device connection status, send automatic detect-message at regular intervals between mobile device described computer, when the distance between mobile device and computer is greater than safe distance or is connected disconnection, the computer screen locking; If the secured user need to carry out release to described PC, the secured user can input security password in relevant position, after the success of computer authentication password, will separate screen, file decryption;
(6) server end in PC is monitored described mobile device connection status, send automatic detect-message at regular intervals between mobile device described computer, when between mobile device and computer the distance be less than safe distance the time, if the screen-unblocking pattern now arranged is automatic unlocking screen pattern, mobile device and computer connect automatically, and computer is separated screen automatically; If the screen-unblocking pattern now arranged is for shaking screen-unblocking, mobile device needs to be greater than certain frequency and shakes that the solution that just can carry out computer is shielded or the screen locking of computer;
(7) when the user does not carry out any operation to computer for a long time, the automatic screen locking of computer, and send a message to mobile device, when the user will use computer again, the user only need to be less than safe distance shake mobile device, the screen automatic unlocking in scope.
3. method according to claim 1, described key can adopt but be not limited to adopt the international Mobile Equipment identification code (IMEI) of this mobile device.
4. method according to claim 1, described mobile device adopts but is not limited to adopt mobile phone.
5. realize the computer end of the desktop security mutual trust method of the described mobile device of claim 1-4 and PC, it is characterized in that, described computer end comprises that computer end linkage unit, granted unit, key storage unit, ciphering unit, computer end are apart from detecting unit, connection monitoring unit, reconciliation screen unit, screen locking unit;
Described computer end linkage unit, for the wireless connections of mobile device and PC, can be WIFI, can be also other wireless connections modes such as bluetooth;
Described granted unit, while connecting for the first time for mobile device and PC, computer completes and identifies and authorize this mobile device;
Described key storage unit, after connecting for the first time for computer end and mobile device end, computer end is preserved key;
Described ciphering unit, after connecting for the first time for described computer end and mobile device end, computer end is preserved file and password and the key that set needs are encrypted;
Described computer end is apart from detecting unit, for realizing the detection of distance between described computer end and mobile device, and can with the safe distance of a setting relatively, calculate actual range within the safe distance scope or outside;
Described connection monitoring unit, the monitoring for described computer end to the mobile device connection status, by receipt message, judge whether actual range belongs to safe distance, as belong to, and thinks that computer end and mobile device are in connection status; If do not belonged to, think that computer end and mobile device are in off-state;
Described screen locking unit, for the automatic screen locking of described computer end, described screen locking unit can be in described computer end off-state or while described computer not being carried out to any operation for a long time, and described computer end is carried out to automatic screen locking;
Described Xie Ping unit, automatically separate screen or shake and separate screen for described computer end, and described Xie Ping unit can carry out automatically separating screen or mobile terminal to described computer end and shake when described computer end is recovered connection status, and computer is separated screen automatically;
Described computer end is by the monitoring to the mobile device connection status, if, when the distance of computer and mobile device is connected disconnection with safe distance or computer greatly with mobile device, will carry out the screen locking operation to desktop; If, in the time of distance little and the safe distance of computer and mobile device, computer is separated screen automatically.
6. realize the mobile device end of the desktop security mutual trust method of the described mobile device of claim 1-4 and PC, it is characterized in that, described mobile device end comprises that mobile device linkage unit, key obtain with transmitting element, mobile device apart from detecting unit, message sending unit;
Described mobile device linkage unit, for the wireless connections of mobile device and PC, can be WIFI, can be also other wireless connections modes such as bluetooth.
Described key obtains and transmitting element, for mobile device, obtains and sends key information to computer end;
Described mobile device is apart from detecting unit, for realizing the detection of distance between described mobile device and computer, and can with the safe distance of a setting relatively, calculate actual range within the safe distance scope or outside;
Described message sending unit, send message for described mobile device to computer.This message may be that connection message may be also the screen-unblocking message such as to shake;
Described mobile device end to the connection of computer and mobile device when the connection status, send message to computer at regular intervals between mobile device, when the connection of computer and mobile device, during in off-state, mobile device automatically detects the connection device of computer and connects with computer.
7. realize the communication system of the desktop security mutual trust method of the described mobile device of claim 1-4 and PC, it is characterized in that, described communication system comprises mobile device and PC communication connection medium, described communication connection medium is wifi or bluetooth or other short-distance wireless communication modes, take mode wifi and bluetooth as example, the acquiescence mode is wifi, when wifi when unavailable, will automatically switch to the bluetooth connection mode because of some factor.
8. realize the system of the desktop security mutual trust method of the described mobile device of claim 1-4 and PC, it is characterized in that, comprise computer end claimed in claim 5, mobile device end claimed in claim 6 and communication system claimed in claim 7.
9. system according to claim 8, the desktop security mutual trust of described mobile device and PC is not limited to the screen-unblocking of computer, can also include but not limited to that file, application program, hardware etc. are bound with the resource of computer the inside.
10. system according to claim 8, the desktop security mutual trust of described mobile device and PC can also relate to the door lock encryption and decryption aspect of every profession and trade.
CN201310484702.7A 2013-10-16 2013-10-16 Desktop security intercommunication system for mobile device and personal computer and implementation method thereof CN103488932A (en)

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Application publication date: 20140101