CN105718821A - Terminal and data protection apparatus and method therefor - Google Patents
Terminal and data protection apparatus and method therefor Download PDFInfo
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- CN105718821A CN105718821A CN201610029656.5A CN201610029656A CN105718821A CN 105718821 A CN105718821 A CN 105718821A CN 201610029656 A CN201610029656 A CN 201610029656A CN 105718821 A CN105718821 A CN 105718821A
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- memory element
- terminal
- data protection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
Abstract
The invention relates to a terminal and a data protection apparatus and method therefor. The data protection apparatus for the terminal comprises a switching unit and a processing unit, wherein the switching unit is connected with a power unit and a storage unit of the terminal; the switching unit is further connected with the processing unit; the processing unit controls the switching unit to be conducted after monitoring that a data protection condition of the storage unit is met; and before it is monitored that the data protection condition of the storage unit is met, the switching unit is in an off state and an output voltage of the power unit is higher than a working voltage of the storage unit. With the adoption of the scheme provided by the invention, user data can be well protected from being leaked, so that the data security is improved.
Description
Technical field
The present invention relates to terminal data security technology area, particularly relate to a kind of protecting terminal data device, a kind of terminal including this protecting terminal data device and a kind of terminal data protection method.
Background technology
Owing to the terminals such as mobile phone have become as the means of communication that people carry with, utilize mobile phone to supplement the concept even substituting the payment functions such as the similar credit card, wallet and naturally produce.Mobile payment refers to the consumer of terminal use or commodity or service, by being operated in terminal, the commodity consumed or service carries out a kind of means of payment of account payment.Mobile payment, as a kind of emerging means of payment, has the advantages such as mobility, real-time, agility.Meanwhile, along with termination function from strength to strength and intelligent.Increasing user processes the activities such as work, wireless telecommunications, audiovisual entertainment and shopping on mobile terminals now.Store a large amount of important personal information, the use data of APP application and the privacy of user data message such as password account information on mobile terminals.
Once terminal is stolen or loses, user would become hard to give for change hardware device, and illegal user can obtain private data and the information of user easily simultaneously, and user will face the double risks of property loss and leakage of private information.Therefore, the Data Protection Technologies for terminal is problem demanding prompt solution.Cryptoguard is common data security protecting mode, but adopts merely which safety relatively low, once password is cracked, user data can illegally be stolen.
Summary of the invention
It is an object of the invention to provide a kind of terminal and data protecting device thereof and method, it is possible to improving the safety of data, effective guarantee data are not compromised.
The purpose of the present invention is achieved through the following technical solutions:
A kind of protecting terminal data device, it includes switch unit and processing unit, and described switch unit connects the power subsystem of terminal, memory element respectively, and described switch unit is also connected with described processing unit；Described processing unit is after monitoring the data protection condition meeting described memory element; control the conducting of described switch unit; wherein; before monitoring the data protection condition meeting described memory element; described switch unit is off, and the output voltage of described power subsystem is more than the running voltage of described memory element.
A kind of terminal, including power subsystem, power supervisor, memory element and protecting terminal data device as above, described power supervisor is connected with described power subsystem, described memory element respectively.
A kind of terminal data protection method, including:
After monitoring the data protection condition meeting described memory element; control the switch unit conducting being connected respectively with the power subsystem of terminal, memory element; wherein; before monitoring the data protection condition meeting described memory element; described switch unit is off, and the output voltage of described power subsystem is more than the running voltage of described memory element.
Scheme according to the invention described above, it is the power subsystem in terminal, switch unit it is connected between memory element, this switch unit is also connected with described processing unit, processing unit is after monitoring the data protection condition meeting described memory element, control the conducting of described switch unit, wherein, before monitoring the data protection condition meeting described memory element, described switch unit is off, the output voltage of described power subsystem is more than the running voltage of described memory element, owing to the output voltage of power subsystem is more than the running voltage of described memory element, after switch unit turns on, the output voltage of power subsystem is directly conducting to memory element, exceed the running voltage of memory element, high pressure (voltage of running voltage higher than memory element) burns memory element, well protection user data is not compromised, improve the safety of data.
Accompanying drawing explanation
Fig. 1 is the annexation schematic diagram of the power subsystem in traditional terminal and memory element；
Fig. 2 is the structural representation of the protecting terminal data device embodiment of the present invention；
Fig. 3 is the principle schematic of the protecting terminal data device of the present invention；
Fig. 4 is structure and the principle schematic of switch unit protecting terminal data device when including N-type metal-oxide-semiconductor or N-type audion；
Fig. 5 is structure and the principle schematic of switch unit protecting terminal data device when including P type metal-oxide-semiconductor or P type audion.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that detailed description of the invention described herein is only in order to explain the present invention, does not limit protection scope of the present invention.
Shown in Figure 1, for the annexation schematic diagram of the power subsystem in traditional terminal and memory element.Usually, in the terminal units such as mobile phone, as shown in Figure 1, power subsystem 101 (generally comprising the battery of terminal) is connected with power supervisor 102, power supervisor 102 is connected with memory element 103 (generally comprising memory chip and its internal circuit of terminal) again, realizing power subsystem is that memory element is powered, to ensure the normal operation of memory chip.Usually, the running voltage (magnitude of voltage of normal operation) of memory element 103 is 1.2V (volt) left and right, and the output voltage of power subsystem 101 is 3.8V～4.6V, even if the electricity of battery is extremely low, output voltage is generally also greater than 3.4V.Therefore, usually, in order to ensure memory element 103 normal operation and not be burned out, the output voltage of power subsystem 101 needs to first pass through after power supervisor 102 processes (such as blood pressure lowering) and arrives memory element 103 again.Accordingly, the below embodiment of the present invention provides a kind of protecting terminal data device.
Shown in Figure 2, for the structural representation of the protecting terminal data device embodiment of the present invention.
As in figure 2 it is shown, the protecting terminal data device in the present embodiment, including switch unit 104 and processing unit 105, switch unit 104 connects the power subsystem 101 of terminal, memory element 103 respectively, and switch unit 104 is also connected with processing unit 105；
Processing unit 105 is after monitoring the data protection condition meeting memory element 103; control switch unit 104 to turn on; wherein; before monitoring the data protection condition meeting memory element 103; switch unit 104 is off, and the output voltage of memory element 103 is more than the running voltage of memory element 103.
Here, described terminal can be mobile terminal, it is also possible to be immobile terminal, and immobile terminal includes desk computer, and mobile terminal includes smart mobile phone (SmartPhone), panel computer, notebook computer, personal digital assistant etc..Described terminal includes power subsystem 101, memory element 103.
Here, described running voltage refers to the magnitude of voltage needed for memory element 103 normal operation, is generally equivalent to the load voltage value of memory element 103, or load voltage value adds the deviant allowed.
Here, switch unit 104 can switch in two states, and both states are off state and conducting state respectively.
Shown in Figure 3, for the principle schematic of the protecting terminal data device of the present invention.Compared to Figure 1 relatively; known; protecting terminal data device in the present embodiment is to add the switch unit 104 being connected between power subsystem 101, memory element 103 on conventional terminal; and the processing unit 105 being connected with switch unit 104, the state switching of switch unit 104 is controlled by processing unit 105.
The operation principle of the protecting terminal data device in the present embodiment is: under normal operating conditions (not monitoring the data protection condition meeting memory element 103); switch unit 104 is off; the output voltage of power subsystem 101 arrives memory element 103 after needing to first pass through power supervisor 102 blood pressure lowering again, makes memory element 103 work under setting voltage (being generally equivalent to running voltage).And when processing unit 105 is after monitoring the data protection condition meeting memory element 103; processing unit 105 controls switch unit 104 and turns on; at this moment; the output voltage of power subsystem 101 is directly conducting to memory element 103; the output voltage of power subsystem 101 exceedes the running voltage of memory element 103; high voltage makes memory element 103 burn, and well the user data in protection memory element 103 is not compromised, improves the safety of data.
Wherein, the particular type of switch unit 104 is unrestricted, as long as generally can switch between off-state and conducting state.Usually, it is possible to select metal-oxide-semiconductor or audion as switch unit 104.
Consider metal-oxide-semiconductor or audion have N-type, P type point.Wherein in an embodiment, as shown in Figure 4, switch unit 104 includes N-type metal-oxide-semiconductor or N-type audion 104A, processing unit 105 is connected with the base stage G1 of N-type metal-oxide-semiconductor or N-type audion 104A, power subsystem 101 is connected with the colelctor electrode D1 of N-type metal-oxide-semiconductor or N-type audion 104A, and memory element 103 is connected with the emitter stage S1 of N-type metal-oxide-semiconductor or N-type audion 104A.
Wherein in an embodiment, as shown in Figure 5, switch unit 104 includes P type metal-oxide-semiconductor or P type audion 104B, processing unit 105 is connected with the base stage G2 of P type metal-oxide-semiconductor or P type audion 104B, power subsystem 101 is connected with the emitter stage S2 of P type metal-oxide-semiconductor or P type audion 104B, and memory element 103 is connected with the colelctor electrode D2 of P type metal-oxide-semiconductor or P type audion 104B.
Based on different considerations, it is possible to arrange the mode of different Monitoring Data protective conditions.Wherein in an embodiment, what processing unit 105 monitored described terminal unlocks the frequency of failure continuously, when the described continuous unblock frequency of failure is more than predetermined threshold value, it is determined that meet the data protection condition of memory element 103.
Specifically, it is possible to when the unblock failure monitoring terminal first, start counting up; if monitoring afterwards unlocks unsuccessfully every time; count value increases by one, if but monitor and unlock successfully, counting value returns; need wait next time detect unlock unsuccessfully time; restarting counting, so, count value characterizes and unlocks the frequency of failure continuously; when the described continuous unblock frequency of failure is more than predetermined threshold value, it is determined that meet the data protection condition of memory element 103.Wherein, predetermined threshold value can system default value, it is also possible to be that user is arranged voluntarily；When the password for unlocking and default unlocking pin are inconsistent, unlock unsuccessfully, otherwise, unlock successfully, or, when the fingerprint for unlocking is inconsistent with default unblock fingerprint, unlock unsuccessfully, otherwise, unlock successfully.
It addition, wherein in an embodiment, processing unit 105 monitors the reception information of the intended application of described terminal, it is judged that whether described reception information includes preset turn-on command, if so, then judge the data protection condition meeting memory element 103.
Here, described intended application includes game application, chat application, note application etc., and described intended application can download to terminal, installs and can run in terminal after successfully.
Here, described default turn-on command can include any one or the multiple combination such as word, letter, numeral, symbol.Can send with other texts, it is also possible to individually send simultaneously.
Adopting the scheme in the present embodiment, terminal B can pass through to send the mode of described reception information to terminal A, starts the processing unit 105 control to switch unit 104.
Additionally, wherein in an embodiment, before whether processing unit 105 includes default turn-on command in judging described reception information, first judge whether the sender of described reception information exists binding relationship with described terminal, if there is binding relationship, enter the described step judging and whether including presetting turn-on command in described reception information.So, the reception information of each sender can be carried out the judgement whether including presetting turn-on command in described reception information, simultaneously, transmission owing to only there is binding relationship can start the processing unit 105 control to switch unit 104 just now, it is also possible to prevents the data of other sender's malicious sabotage memory element 103.
Additionally, as required, it is also possible to by the mode of Monitoring Data protective condition in above-mentioned two embodiment in conjunction with use.
Protecting terminal data device according to the invention described above; the present invention also provides for a kind of terminal (structural representation is referring to Fig. 3); terminal in the present embodiment includes power subsystem 101, power supervisor 105, memory element 103 and the protecting terminal data device as described in any one embodiment above-mentioned, and power supervisor 105 is connected with power subsystem 101, memory element 103 respectively.Wherein, protecting terminal data device application mode in the terminal is not as it was previously stated, repeat them here.
Protecting terminal data device according to the invention described above, the present invention also provides for a kind of terminal data protection method, in the present embodiment terminal data protection method include step:
After monitoring the data protection condition meeting described memory element; control the switch unit conducting being connected respectively with the power subsystem of terminal, memory element; wherein; before monitoring the data protection condition meeting described memory element; described switch unit is off, and the output voltage of described power subsystem is more than the running voltage of described memory element.
Terminal data protection method in the present embodiment in an embodiment wherein; step can also be included: that monitors described terminal unlocks the frequency of failure continuously; when unlocking the frequency of failure more than predetermined threshold value continuously, it is determined that meet the data protection condition of described memory element.
Terminal data protection method in the present embodiment in an embodiment wherein; step can also be included: monitor the reception information of the intended application of described terminal; judge whether described reception information includes preset turn-on command, if so, then judge the data protection condition meeting described memory element.
The technical characteristic set forth in the embodiment of above-mentioned protecting terminal data device and beneficial effect thereof, all suitable in the embodiment of terminal data protection method, hereby give notice that.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a protecting terminal data device, it is characterised in that include switch unit and processing unit, described switch unit connects the power subsystem of terminal, memory element respectively, and described switch unit is also connected with described processing unit；
Described processing unit is after monitoring the data protection condition meeting described memory element; control the conducting of described switch unit; wherein; before monitoring the data protection condition meeting described memory element; described switch unit is off, and the output voltage of described power subsystem is more than the running voltage of described memory element.
2. protecting terminal data device according to claim 1, it is characterised in that described switch unit includes metal-oxide-semiconductor or audion.
3. protecting terminal data device according to claim 1; it is characterized in that; described switch unit includes N-type metal-oxide-semiconductor or N-type audion; described processing unit is connected with the base stage of described N-type metal-oxide-semiconductor or described N-type audion; described power subsystem is connected with the colelctor electrode of described N-type metal-oxide-semiconductor or described N-type audion, and described memory element is connected with the emitter stage of described N-type metal-oxide-semiconductor or described N-type audion.
4. protecting terminal data device according to claim 1; it is characterized in that; described switch unit includes P type metal-oxide-semiconductor or P type audion; described processing unit is connected with the base stage of described P type metal-oxide-semiconductor or described P type audion; described power subsystem is connected with the emitter stage of described P type metal-oxide-semiconductor or described P type audion, and described memory element is connected with the colelctor electrode of described P type metal-oxide-semiconductor or described P type audion.
5. according to the protecting terminal data device one of Claims 1-4 Suo Shu; it is characterized in that; described processing unit monitor described terminal unlock the frequency of failure continuously, when the described continuous unblock frequency of failure is more than predetermined threshold value, it is determined that meet the data protection condition of described memory element.
6. according to the protecting terminal data device one of Claims 1-4 Suo Shu; it is characterized in that; described processing unit monitors the reception information of the intended application of described terminal; judge whether described reception information includes preset turn-on command; if so, the data protection condition meeting described memory element is then judged.
7. protecting terminal data device according to claim 6; it is characterized in that; before whether described processing unit includes default turn-on command in judging described reception information; judge whether the sender of described reception information exists binding relationship with described terminal; if there is binding relationship, enter the described step judging and whether including presetting turn-on command in described reception information.
8. a terminal, it is characterised in that including power subsystem, power supervisor, memory element and the protecting terminal data device as described in one of claim 1 to 7, described power supervisor is connected with described power subsystem, described memory element respectively.
9. a terminal data protection method, it is characterised in that including:
After monitoring the data protection condition meeting described memory element; control the switch unit conducting being connected respectively with the power subsystem of terminal, memory element; wherein; before monitoring the data protection condition meeting described memory element; described switch unit is off, and the output voltage of described power subsystem is more than the running voltage of described memory element.
10. terminal data protection method according to claim 9, further comprises the steps of:
That monitors described terminal unlocks the frequency of failure continuously, when the described continuous unblock frequency of failure is more than predetermined threshold value, it is determined that meet the data protection condition of described memory element；
Or
Monitor the reception information of the intended application of described terminal, it is judged that whether described reception information includes preset turn-on command, if so, then judge the data protection condition meeting described memory element.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610029656.5A CN105718821A (en) | 2016-01-15 | 2016-01-15 | Terminal and data protection apparatus and method therefor |
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| CN201610029656.5A CN105718821A (en) | 2016-01-15 | 2016-01-15 | Terminal and data protection apparatus and method therefor |
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| CN201610029656.5A Pending CN105718821A (en) | 2016-01-15 | 2016-01-15 | Terminal and data protection apparatus and method therefor |
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