CN106778373A - Data storage device, data protection system and its application method - Google Patents
Data storage device, data protection system and its application method Download PDFInfo
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- CN106778373A CN106778373A CN201710017700.5A CN201710017700A CN106778373A CN 106778373 A CN106778373 A CN 106778373A CN 201710017700 A CN201710017700 A CN 201710017700A CN 106778373 A CN106778373 A CN 106778373A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/46—Indirect determination of position data
- G01S17/48—Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
This application discloses a kind of data storage device,Data protection system and its application method,Wherein,Data protection system is by detecting distance of the detecting module away from the direction of the shell at least one,And detection range in either direction judges whether shell is disassembled for standard more than the predetermined threshold value of the direction,When shell is disassembled,The data of storage exist and are obtained by other people in data storage device,Then the possibility decrypted by reverse-engineering,Therefore when the detection range of either direction exceedes the predetermined threshold value of the direction,Detecting module triggers processing module,Processing module sends default operating mode instruction according to default mode of operation set in advance after being triggered to performing module,So that performing module performs corresponding protection operation according to default operating mode instruction,To realize the protection to the data stored in data storage device,Avoid the purpose for being obtained the data stored in data storage device by reverse-engineering by rival or lawless person.
Description
Technical field
The application is related to Data Protection Technologies field, more specifically to a kind of data storage device, data protection system
System and its application method.
Background technology
With continuing to develop for electronic information technology, electronic product has been widely used for the every field in life, electricity
The data message of the high sensitive of producer or user would generally be stored in the data storage device of sub- interiors of products, such as electronics is produced
The core algorithm of product, classified papers and private key etc., the leakage problem electron product producer of these critical datas and user
Bring greatly puzzlement.
The critical data guard method for generally using at present is the cryptographic operation to critical data, to increase to critical data
Protection.Even if but critical data is encrypted, it still is possible to by rival or illegal point by reverse-engineering
Son obtains the key messages such as the core algorithm of storage in the data storage device.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of data storage device, data protection system and its using
Method, to realize avoiding obtaining the data stored in data storage device by reverse-engineering by rival or lawless person
Purpose.
To realize above-mentioned technical purpose, following technical scheme is the embodiment of the invention provides：
A kind of data protection system, is applied to data storage device, and the data storage device is arranged at enclosure, bag
Critical data memory block is included, the data protection system includes：Detecting module, processing module, performing module and power module, its
In,
The detecting module, distance of the detecting module away from the direction of the shell at least one is detected for noncontact,
When the detection range of either direction exceedes the predetermined threshold value of the direction, the first trigger signal is sent to the processing module；
After the processing module receives first trigger signal, according to the corresponding default work of first trigger signal
Operation mode, default operating mode instruction is sent to the performing module；
The performing module is connected with the data storage device, for receiving the default operating mode instruction
Afterwards, corresponding protection operation is performed according to the default operating mode instruction, to protect the number stored in the data storage device
According to；
The power module is used to provide electricity for the detecting module, processing module, performing module and data storage device
Source.
Optionally, the detecting module is additionally operable to detect the voltage of the power module, and whether relatively more described voltage is low
In predeterminated voltage, if it is, sending the second trigger signal to the processing module；
After the processing module receives second trigger signal, according to the corresponding default work of second trigger signal
Operation mode, default operating mode instruction is sent to the performing module.
Optionally, the default mode of operation for prompting protected mode, critical data protected mode, firmware protected mode and
One kind in hardware protection pattern；
When the default mode of operation is for prompting protected mode, the performing module sends guarantor after receiving trigger signal
Shield prompting, points out current data protection system trigger protection；
When the default mode of operation is critical data protected mode, the protection operation is pointed out and deleted to send protection
Except the critical data of storage in the critical data memory block；
When the default mode of operation is firmware protected mode, the protection operation is described in sending prompt tone, deleting
The critical data stored in critical data memory block, and delete the firmware in the data storage device；
When the default mode of operation is hardware protection pattern, the protection operation is pointed out to send protection, deletes institute
The firmware in the critical data and the data storage device stored in critical storage area is stated, and is destroyed by the power module
The data storage device.
Optionally, the detecting module includes：Voltage acquisition unit and at least one distance measurement unit, wherein,
The distance measurement unit, the distance measurement unit is detected away from the distance between described shell for noncontact,
And sending the first trigger signal to the processing module when the distance exceedes predetermined threshold value；
The voltage acquisition unit, the voltage for obtaining the power module, and when the voltage is less than default
During voltage the second trigger signal is sent to the processing module.
Optionally, the distance measurement unit is the electric switch that diffuses.
Optionally, the power module is rechargeable battery；
The rechargeable battery include external power supply plug, when the rechargeable battery by the external power supply plug with
When city electrically connects, using civil power for the detecting module, processing module, performing module and data storage device provide power supply, and
Using civil power for itself charges.
Optionally, the span of the predetermined threshold value is 1mm-10mm, including endpoint value.
A kind of application method of data protection system, is applied to the data protection system described in any of the above-described, the number
Application method according to protection system includes：
The data protection system is arranged at the enclosure of data storage device, is stored in the data storage device
There are firmware and critical data；
The default mode of operation of the data protection system is set.
A kind of data storage device, including the data protection system as described in above-mentioned any one.
From above-mentioned technical proposal as can be seen that the embodiment of the invention provides a kind of data storage device, data protection system
System and its application method, wherein, the data protection system is by detecting the detecting module away from the side of the shell at least one
To distance, and detection range in either direction exceed the direction predetermined threshold value judge for standard the shell whether by
Dismounting, when the shell is disassembled, then the data stored in the data storage device pass through in the presence of being obtained by other people
The possibility of reverse-engineering decryption, therefore when the detection range of either direction exceedes the predetermined threshold value of the direction, the detection mould
Block triggers the processing module, and the processing module is held according to the default mode of operation set in advance after being triggered to described
Row module sends default operating mode instruction, so that the performing module is performed accordingly according to the default operating mode instruction
Protection operation, to realize the protection to the data stored in the data storage device, it is to avoid by rival or illegal point
Son obtains the purpose of the data stored in data storage device by reverse-engineering.
In addition, the detecting module noncontact detects distance of the detecting module away from the direction of the shell at least one,
The dependence or requirement of environment to external world can be reduced, so as to increase the scope of application of the data protection system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
A kind of structural representation of data protection system that Fig. 1 is provided for one embodiment of the application；
A kind of structural representation of data protection system that Fig. 2 is provided for another embodiment of the application；
A kind of schematic flow sheet of the application method of data protection system that Fig. 3 is provided for one embodiment of the application.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present application provides a kind of data protection system, as shown in figure 1, data storage device A10 is applied to, institute
State data storage device A10 and be arranged at enclosure, including critical data memory block, the data protection system includes：Detection
Module 200, processing module 300, performing module 400 and power module 100, wherein,
The detecting module 200, the detecting module 200 is detected away from the direction of the shell at least one for noncontact
Distance, when the detection range of either direction exceedes the predetermined threshold value of the direction, if it is, being sent out to the processing module 300
Send the first trigger signal；
It is corresponding pre- according to first trigger signal after the processing module 300 receives first trigger signal
If mode of operation, default operating mode instruction is sent to the performing module 400；
The performing module 400 is connected with the data storage device A10, for receiving the default mode of operation
After instruction, corresponding protection operation is performed according to the default operating mode instruction, deposit in the data storage device A10 with being protected
The data of storage；
The power module 100 is used to be deposited for the detecting module 200, processing module 300, performing module 400 and data
Storage device A 10 provides power supply.
It should be noted that distance of the detecting module 200 away from the direction of the shell at least one is by the detection
The noncontact of module 200 detection is obtained, and the noncontact detection refers to the detection carried out by photodetection means, such as infrared spy
Survey, laser acquisition and diffusing reflection photodetection etc..
In addition, in one embodiment of the application, the detecting module 200 can detect the detecting module with noncontact
Distance on 200 movable direction away from the shell；But in the other embodiment of the application, the detecting module 200 can
Outside the distance on movable direction with the noncontact detection detecting module 200 away from the shell, can be visited with noncontact
The distance surveyed on the detecting module 200 and other directions of the shell, and the predetermined threshold value on these directions value
Can be with identical, it is also possible to different, depending on the concrete shape of the shell according to the data storage device A10, the application to this simultaneously
Do not limit.Specifically, the specific value of the predetermined threshold value can set according to practical application place, to increase the data
The scope of application of protection system, in one embodiment of the application, the span of the predetermined threshold value is 1mm-10mm, bag
Include endpoint value, such as 8mm or 10mm etc..But in the other embodiment of the application, the span of the predetermined threshold value may be used also
To be 10mm-20mm, the application is not limited the specific value and span of the predetermined threshold value, specifically regarding actual feelings
Depending on condition.
The data protection system detects distance of the detecting module away from the direction of the shell at least one, and with any
The predetermined threshold value that the detection range in direction exceedes the direction judges whether the shell is disassembled for standard, when the shell quilt
During dismounting, then the data stored in the data storage device A10 are decrypted in the presence of being obtained by other people by reverse-engineering
May, therefore when the detection range of either direction exceedes the predetermined threshold value of the direction, the detecting module 200 triggers the place
Reason module 300, the processing module 300 be triggered after according to the default mode of operation set in advance to the performing module
400 send default operating mode instruction, so that the performing module 400 is performed accordingly according to the default operating mode instruction
Protection operation, to realize the protection to the data stored in the data storage device A10, it is to avoid by rival or illegal
Molecule obtains the purpose of the data stored in data storage device A10 by reverse-engineering.
In addition, the noncontact of the detecting module 200 detection detecting module 200 is on the direction of the shell at least one
Distance, it is possible to reduce the dependence or requirement of environment to external world, so as to increase the scope of application of the data protection system.
On the basis of above-described embodiment, in a preferred embodiment of the application, the detecting module 200 is additionally operable to
The voltage of the power module 100 is detected, and whether relatively more described voltage is less than predeterminated voltage, if it is, to the treatment
Module 300 sends the second trigger signal；
It is corresponding pre- according to second trigger signal after the processing module 300 receives second trigger signal
If mode of operation, default operating mode instruction is sent to the performing module 400.
In the present embodiment, the detecting module 200 when the voltage be less than predeterminated voltage when to the processing module
The purposes that 300 the second trigger signals of transmission trigger the processing modules 300 are to avoid that the electricity of the power module 100 is too low to be made
The data protection system loses to be occurred to the situation of the protective effect of the data storage device A10.
Depending on specific species of the predeterminated voltage according to practical situations and the power module 100, the application couple
This is not limited.
It should be noted that the corresponding default mode of operation of second trigger signal can be with first trigger signal
Corresponding default mode of operation is identical, it is also possible to different.The application is not limited this, specific depending on actual conditions.
On the basis of above-described embodiment, in one embodiment of the application, the default mode of operation is protected for prompting
One kind in shield pattern, critical data protected mode, firmware protected mode and hardware protection pattern；
When the default mode of operation is for prompting protected mode, the performing module 400 is sent out after receiving trigger signal
Go out protection prompting, point out current data protection system trigger protection；
When the default mode of operation is critical data protected mode, the protection operation is pointed out and deleted to send protection
Except the critical data of storage in the critical data memory block；
When the default mode of operation is firmware protected mode, the protection operation is pointed out to send protection, deletes institute
The critical data stored in critical data memory block is stated, and deletes the firmware in the data storage device A10；
When the default mode of operation is hardware protection pattern, the protection operation is pointed out to send protection, deletes institute
The firmware in the critical data and the data storage device A10 stored in critical storage area is stated, and by the power module
100 destroy the data storage device A10.
It should be noted that when the default mode of operation is hardware protection pattern, the performing module 400 is sending
Protection is pointed out, deleted after the firmware in the critical data and the data storage device A10 of storage in the critical storage area,
One high voltage is sent to the data storage device A10 by the power module 100, to destroy the data storage device
A10。
Specifically, in one embodiment of the application, the corresponding default mode of operation of second trigger signal is institute
State prompting protected mode, i.e., when the voltage of the power module 100 is less than predeterminated voltage, trigger the processing module 300 to
The performing module 400 sends the corresponding default operating mode instruction of the prompting protected mode, so that the performing module 400
Protection prompting is sent, user is pointed out for the power module 100 charges or change the power module 100.Described first touches
Corresponding default mode of operation of signaling is critical data protected mode, i.e., described when the shell has the possibility being removed
Data protection system sends protection and points out and delete the critical data stored in the critical data memory block to realize avoiding institute
The situation for stating the data leak of critical data memory block memory storage occurs.
Certain, in the other embodiment of the application, the corresponding default mode of operation of second trigger signal may be used also
To be critical data protected mode, firmware protected mode or hardware protection pattern, the corresponding default work of first trigger signal
Operation mode can also be prompting protected mode, firmware protected mode or hardware protection pattern.Also, second trigger signal pair
The default mode of operation answered can default mode of operation corresponding with first trigger signal it is identical, it is also possible to it is different.This Shen
Please this is not limited, it is specific depending on actual conditions.
Also, it should be noted that the protection prompting can be prompt tone or warning light, can also be prompt text or carry
Show message etc., the application is not limited the specific species of the protection prompting, specific depending on actual conditions.
On the basis of above-described embodiment, in another embodiment of the application, as shown in Fig. 2 the detecting module
200 include：The distance measurement unit 210 of voltage acquisition unit 220 and at least one, wherein,
The distance measurement unit 210, for the noncontact detection distance measurement unit 210 between the shell
Distance, and sending the first trigger signal to the processing module 300 when the distance exceedes predetermined threshold value；
The voltage acquisition unit 220, the voltage for obtaining the power module, and when the voltage is less than pre-
If sending the second trigger signal to the processing module 300 during voltage.
Specifically, the distance measurement unit 210 can be Laser Distance Measuring Equipment, or infrared distance measurement equipment, but
Preferably, the distance measurement unit 210 is the electric switch that diffuses.The electric switch that diffuses operationally actively sends
Infrared light, the reflection using detected thing (housing) to light beam, by synchronization loop gating circuit, detects the distance measurement unit
210 away from the distance between described shell.According to different from the distance of housing, the infrared luminous intensity difference of reflection is received, be converted to and lead
Logical voltage, when distance exceedes the pre-set threshold value to housing on movable direction, by first trigger signal send to
The processing module 300.Establish related parameter by cable according to diffusing in the present embodiment, setting diffuse electric switch and shell away from
During from for 4mm, the electric switch receiving terminal that diffuses be low level, distance for 8mm when receiving terminal be high level, i.e., when shell with it is non-
When the distance of contact distance measurement unit 210 meets or exceeds 8mm, the first triggering letter is sent to the processing module 300
Number.In the present embodiment, the housing is the object for being capable of diffusing reflection light, for example metal, plastics, film and printing electricity
Road plate etc..The application is not limited the specific species of the housing, specific depending on actual conditions.
On the basis of above-described embodiment, in another embodiment of the application, the power module 100 is chargeable
Battery；
The rechargeable battery include external power supply plug, when the rechargeable battery by the external power supply plug with
It is the detecting module 200, processing module 300, performing module 400 and data storage device A10 using civil power when city electrically connects
Power supply is provided, and using civil power for itself charges.
Accordingly, the embodiment of the present application additionally provides a kind of application method of data protection system, is applied to any of the above-described
Data protection system described in embodiment, as shown in figure 3, the application method of the data protection system includes：
S101：The data protection system is arranged at the enclosure of data storage device A10, the data storage sets
Be stored with firmware and critical data in standby A10；
S102：The default mode of operation of the data protection system is set.
It should be noted that when the detecting module 200 is made up of voltage acquisition unit 220 and distance measurement unit 210
When, the test surface of the distance measurement unit 210 is preferably directed towards the movable direction of the housing.When the distance measurement unit
210 for it is multiple when, except test surface towards the distance measurement unit 210 of the movable direction of the housing, other distances
The test surface of probe unit 210 can also not be limited this towards other directions, the application, specifically regard actual conditions and
It is fixed.
Accordingly, the embodiment of the present application additionally provides a kind of data storage device A10, including such as above-mentioned any embodiment institute
The data protection system stated.
In sum, the embodiment of the present application provides a kind of data storage device A10, data protection system and its user
Method, wherein, the data protection system by detecting distance of the detecting module 200 away from the direction of the shell at least one,
And detection range in either direction judges whether the shell is disassembled for standard more than the predetermined threshold value of the direction, works as institute
When stating shell and being disassembled, the data stored in the data storage device A10 exist and are obtained by other people, then by reverse work
The possibility of Cheng Xiemi, therefore when the detection range of either direction exceedes the predetermined threshold value of the direction, the detecting module 200 is touched
Send out processing module 300 described, the processing module 300 be triggered after according to the default mode of operation set in advance to described
Performing module 400 sends default operating mode instruction, so that the performing module 400 is held according to the default operating mode instruction
The corresponding protection operation of row, to realize the protection to the data stored in the data storage device A10, it is to avoid competed right
Hand or lawless person obtain the purpose of the data stored in data storage device A10 by reverse-engineering.
In addition, the noncontact of the detecting module 200 detects the detecting module 200 away from the direction of the shell at least one
Distance, it is possible to reduce the dependence or requirement of environment to external world, so as to increase the scope of application of the data protection system.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (9)
1. a kind of data protection system, it is characterised in that be applied to data storage device, the data storage device is arranged at outer
Inside shell, including critical data memory block, the data protection system includes：Detecting module, processing module, performing module and electricity
Source module, wherein,
The detecting module, the distance of the detecting module away from the direction of the shell at least one is detected for noncontact, when appointing
When the detection range in one direction exceedes the predetermined threshold value of the direction, the first trigger signal is sent to the processing module；
After the processing module receives first trigger signal, according to the corresponding default Working mould of first trigger signal
Formula, default operating mode instruction is sent to the performing module；
The performing module is connected with the data storage device, for after the default operating mode instruction is received, root
Corresponding protection operation is performed according to the default operating mode instruction, to protect the data stored in the data storage device；
The power module is used to provide power supply for the detecting module, processing module, performing module and data storage device.
2. data protection system according to claim 1, it is characterised in that the detecting module is additionally operable to detect the electricity
The voltage of source module, and whether relatively more described voltage is less than predeterminated voltage, if it is, send second to the processing module touching
Signal；
After the processing module receives second trigger signal, according to the corresponding default Working mould of second trigger signal
Formula, default operating mode instruction is sent to the performing module.
3. data protection system according to claim 2, it is characterised in that the default mode of operation is prompting protection mould
One kind in formula, critical data protected mode, firmware protected mode and hardware protection pattern；
When the default mode of operation is for prompting protected mode, the performing module to receive and send protection after trigger signal and carry
Show, point out current data protection system trigger protection；
When the default mode of operation is critical data protected mode, the protection operation is pointed out and deletes institute to send protection
State the critical data stored in critical data memory block；
When the default mode of operation is firmware protected mode, the protection operation is to send prompt tone, delete the key
The critical data stored in data storage area, and delete the firmware in the data storage device；
When the default mode of operation is hardware protection pattern, the protection operation is pointed out to send protection, deletes the pass
The firmware in critical data and the data storage device stored in key memory block, and destroy described by the power module
Data storage device.
4. data protection system according to claim 2, it is characterised in that the detecting module includes：Voltage obtains single
Unit and at least one distance measurement unit, wherein,
The distance measurement unit, the distance measurement unit is detected away from the distance between described shell for noncontact, and
When the distance exceedes predetermined threshold value the first trigger signal is being sent to the processing module；
The voltage acquisition unit, the voltage for obtaining the power module, and it is being less than predeterminated voltage when the voltage
When to the processing module send the second trigger signal.
5. data protection system according to claim 4, it is characterised in that the distance measurement unit is diffusing reflection photoelectricity
Switch.
6. data protection system according to claim 1, it is characterised in that the power module is rechargeable battery；
The rechargeable battery includes external power supply plug, when the rechargeable battery passes through the external power supply plug and civil power
During connection, using civil power for the detecting module, processing module, performing module and data storage device provide power supply, and utilize
Civil power charges for itself.
7. data protection system according to claim 1, it is characterised in that the span of the predetermined threshold value is 1mm-
10mm, including endpoint value.
8. a kind of application method of data protection system, it is characterised in that be applied to the data described in claim any one of 1-7
Protection system, the application method of the data protection system includes：
The data protection system is arranged at the enclosure of data storage device, is stored with the data storage device solid
Part and critical data；
The default mode of operation of the data protection system is set.
9. a kind of data storage device, it is characterised in that including the data protection system as described in claim any one of 1-7.
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| CN201710017700.5A CN106778373A (en) | 2017-01-10 | 2017-01-10 | Data storage device, data protection system and its application method |
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| CN201710017700.5A CN106778373A (en) | 2017-01-10 | 2017-01-10 | Data storage device, data protection system and its application method |
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Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |