CN109190415A - Data destroying triggering method and its device based on physical protection - Google Patents
Data destroying triggering method and its device based on physical protection Download PDFInfo
- Publication number
- CN109190415A CN109190415A CN201810727560.5A CN201810727560A CN109190415A CN 109190415 A CN109190415 A CN 109190415A CN 201810727560 A CN201810727560 A CN 201810727560A CN 109190415 A CN109190415 A CN 109190415A
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- opening
- hatch door
- groove
- panel
- ball
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2143—Clearing memory, e.g. to prevent the data from being stolen
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a kind of data destroying triggering method and its device based on physical protection comprising panel, hatch door, positioning component, limit pressing plate, triggering key and trigger circuit;The operating procedure that the present invention provides the data destroying triggering method based on physical protection is simple, it can be with one-handed performance, it is easily achieved, when needing to destroy data, key is triggered by long-pressing, the GPIO interface of processor in trigger circuit detects that level becomes high signal from low, processor issues a formatting commands to control system after receiving the signal, control system is formatted operation to data storage medium, to realize data destroying, not only integrated operation process is simple, it is convenient, it can be operated with one hand, and protection safety is good, has the function of double protection, maloperation or children is avoided to touch, effectively ensure the safety of data;Apparatus structure provided by the invention is simple, compact, and functional reliability is high, is conducive to wide popularization and application.
Description
Technical field
The present invention relates to data destroying triggering technique field, in particular to a kind of data destroying triggering based on physical protection
Method and device thereof.
Background technique
With the development of informationization technology, more and more significant datas are stored in the storage equipment of computer how
Guarantee that the safety problem of these data is concerned by people.When the storage equipment of storage sensitive information is out of control or in emergency circumstances
When in the presence of great risk out of control, serious secret leaking event may cause, or even bring the loss for being difficult to retrieve.Data at present
Important is using data overriding, demagnetization, physical crushing, chemical reagent dissolution etc. for destruction.Wherein data overriding is usually in spy
Under fixed operating system, access of the artificial triggering to some file or storage region.However in manual operation use process, easily
Maloperation phenomenon occur causes important data destroyed, or touch because children are thoughtless destroy key cause it is important
Data are destroyed, to bring the loss for being difficult to retrieve.For this purpose, being badly in need of a kind of data destroying touching based on physical protection in the market
Forwarding method and its device.
Summary of the invention
In view of the above deficiencies, one of the object of the invention is, it is simple to provide a kind of operating procedure, it is easy to accomplish, it avoids missing
Operation, the good data destroying triggering method based on physical protection of protection safety;
The second object of the present invention is, provides and a kind of realizes the data destroying triggering method above-mentioned based on physical protection
Device.
To achieve the above object, provided technical solution is the present invention:
A kind of data destroying triggering method based on physical protection comprising following steps:
(1) it is provided with an opening in panel, the position of corresponding opening is equipped with a groove in the back side of panel, places in groove
There is hatch door, when pushing away the hatch door and sliding up and down, can open or close the opening;
(2) it is equipped in two side positions of groove on the position that the hatch door can be located in opening or the closing opening
Positioning component;
(3) rear position of corresponding opening is fixed with triggering key;
(4) trigger circuit is set, which is connected with triggering key, triggering key is defaulted as normally opened shape
State;
(5) pushing hatch door to open the opening keeps triggering key exposed, and long-pressing triggers key, the processor in trigger circuit
GPIO interface can detect that level becomes high signal from low, processor issues a formatting commands logarithm after receiving the signal
It is formatted operation according to storage medium, to reach data destroying purpose.
As an improvement of the present invention, the step (2) specifically includes the following steps:
(2.1) elongated slot is respectively provided in the two sides positional symmetry of groove;
(2.2) spring is placed in elongated slot;
(2.3) it is placed with ball close to one end of hatch door in elongated slot, so that ball is pressed against hatch door by the elastic force of spring
On side wall, the positioning component is constituted.
As an improvement of the present invention, opening corresponding with ball positioning recess and pass are equipped in the side wall of hatch door
Positioning recess is closed, opening positioning recess is caught in by ball, the hatch door is located on the position for opening the opening by realization,
It is caught in closing positioning recess by ball, the hatch door is located on the position for closing the opening by realization.
As an improvement of the present invention, the limit pressing plate on groove and elongated slot is closed in one lid of the back side of panel setting,
For preventing hatch door from dropping out and preventing ball and spring from dropping out from groove from elongated slot.
A kind of device for realizing the above-mentioned data destroying triggering method based on physical protection comprising panel, hatch door, positioning
Component, limit pressing plate, triggering key and trigger circuit, the panel are equipped with an opening, and the position of corresponding opening is in panel
The back side is equipped with a groove, and the hatch door is movably arranged in groove, and institute is accordingly opened or close to can slide up and down in groove when
State opening;The lateral location of positioning component respective slot is arranged on panel, and the hatch door can be located in opening or closing
On the position of the opening;The limit pressing plate is arranged in the back side of panel, and can by the closure of openings of the groove and elongated slot,
The back side of panel is arranged in the trigger circuit, and triggering key is welded in trigger circuit, and is located at the back side of the opening
It sets.
As an improvement of the present invention, the positioning component includes spring and ball, in the two sides positional symmetry of groove
It is respectively provided with the elongated slot of the setting spring, the spring is located in elongated slot, and the ball is located at elongated slot close to one end of hatch door
Position, and opening corresponding with ball positioning recess and closing positioning recess are equipped on the side wall of the hatch door.
As an improvement of the present invention, it is equipped with connection sliding slot between the opening positioning recess and closing positioning recess,
Effectively promote the stability of hatch door sliding.
As an improvement of the present invention, item is pulled out equipped with the transverse direction for protruding into the opening in the positive bottom edge of the hatch door,
Item is pulled out by the transverse direction can facilitate and hatch door is pushed to slide up and down movement, bring convenience to operating with.
As an improvement of the present invention, two side position of front of the hatch door is equipped with front raised line, effectively reduces and face
Contact area between plate promotes the sliding smoothness of hatch door.
As an improvement of the present invention, two side position of the back side of the hatch door is equipped with back side raised line.It effectively reduces and limits
Contact area between the pressing plate of position, further promotes the sliding smoothness of hatch door.
The invention has the benefit that the present invention provides the operating procedure of the data destroying triggering method based on physical protection
It simply, can be with one-handed performance, it is easy to accomplish, it is brought convenience to operating with;Simultaneously be equipped with hatch door will trigger key block and
It needs long-pressing triggering several seconds ability trigger datas of key to destroy instruction, is formed physically with the double protection in program, avoid missing
Operation or children's touching, protection safety effectively ensure the safety of data;Apparatus structure provided by the invention is simple, compact,
Functional reliability is high, is suitble to one-handed performance, brings convenience to using.
Detailed description of the invention
Fig. 1 is decomposition texture schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of hatch door in the present invention.
Fig. 3 is the 1st schematic perspective view of the invention.
Fig. 4 is the 2nd schematic perspective view of the invention.
Specific embodiment
Embodiment: referring to Fig. 1 to Fig. 4, a kind of data destroying triggering based on physical protection provided in an embodiment of the present invention
Method comprising following steps:
(1) it is provided with an opening 11 in panel 1, the position of corresponding opening 11 is equipped with a groove 12 in the back side of panel 1, recessed
It is placed with hatch door 2 in slot 12, when pushing away the hatch door 2 and sliding up and down, can open or close the opening 11;
(2) position that the hatch door 2 can be located in opening or close the opening 11 is equipped in two side positions of groove 12
The positioning component 3 set;Specifically, (2.1) are respectively provided with an elongated slot 13 in the two sides positional symmetry of groove 12;(2.2) in elongated slot
Spring 31 is placed in 13;(2.3) it is placed with ball 32 close to one end of hatch door 2 in elongated slot 13, is made by the elastic force of spring 31
Ball 32 presses against on the side wall of hatch door 2, constitutes the positioning component 3.Then it is equipped with and ball 32 in the side wall of hatch door 2
Corresponding opening positioning recess 21 and closing positioning recess 22 are caught in opening positioning recess 21 by ball 32, realize institute
It states hatch door 2 to be located on the position for opening the opening 11, closing positioning recess 22 is caught in by ball 32, is realized the cabin
Door 2 is located on the position for closing the opening 11.
(3) rear position of corresponding opening 11 is fixed with triggering key 4;One lid is fixed by screw 5 at the back side of panel 1
The limit pressing plate 6 on groove 12 and elongated slot 13 is closed, for preventing hatch door 2 from dropping out and preventing ball 32 from groove 12, and
Spring 31 is dropped out from elongated slot 13;The limit pressing plate 6 is equipped with aperture 61 corresponding with triggering key 4;The four of the limit pressing plate 6
A corner positions are equipped with counter sink 62, avoid the head protrusion of screw 5, reduce occupied space;
(4) trigger circuit 7 is set, which is connected with triggering key 4, triggering key 4 is defaulted as normally opened
State;
(5) pushing hatch door 2 to open the opening 11 keeps triggering key 4 exposed, long-pressing triggering key 4, in trigger circuit 7
The GPIO interface of processor can detect that level becomes high signal from low, and one formatting of sending refers to after processor receives the signal
Order is formatted operation to data storage medium, to reach data destroying purpose.The present invention is provided based on physical protection
The operating procedure of data destroying triggering method is simple, can be with one-handed performance, it is easy to accomplish, it is brought convenience to operating with;Simultaneously
Key 4, which will be triggered, equipped with hatch door 2 blocks and need the ability trigger data destruction instruction in more than 4 seconds of long-pressing triggering key, formation
Double protection in reason and in program avoids maloperation or children from touching, and protection safety effectively ensures the safety of data;
A kind of device for realizing the above-mentioned data destroying triggering method based on physical protection comprising panel 1, is determined hatch door 2
Hyte part 3, limit pressing plate 6, triggering key 4 and trigger circuit 7, the panel 1 are equipped with an opening 11, the position of corresponding opening 11
The back side for being placed in panel 1 is equipped with a groove 12, and the hatch door 2 is movably arranged in groove 12, and can be slided up and down in groove 12
Shi Xiangying opens or closes the opening 11.
The lateral location of 3 respective slot 12 of positioning component is arranged on panel 1, and the hatch door 2 can be located in opening
Or on the position of the closing opening 11;Specifically, the positioning component 3 includes spring 31 and ball 32, the two of groove 12
Side position is symmetrically respectively provided with the elongated slot 13 of the setting spring 31, and the spring 31 is located in elongated slot 13,32, the ball
In elongated slot 13 close to an end position of hatch door 2, and opening corresponding with ball 32 is equipped on the side wall of the hatch door 2 and is positioned
Recess 21 and closing positioning recess 22.Preferably, being equipped with connection between the opening positioning recess 21 and closing positioning recess 22
Sliding slot 23 effectively promotes the stability that hatch door 2 slides.
The back side of panel 1 is arranged in the limit pressing plate 6, and can be by the closure of openings of the groove 12 and elongated slot 13, institute
The back side that panel 1 is arranged in trigger circuit 7 is stated, triggering key 4 is welded in trigger circuit 7, and is located at described be open after 11
It sets in orientation.
For convenience of operation, item 24 is pulled out equipped with the transverse direction for protruding into the opening 11 on the positive bottom edge of the hatch door 2, is passed through
The transverse direction, which is pulled out item 24 and can be facilitated, pushes hatch door 2 to slide up and down movement, brings convenience to operating with.
It is equipped with front raised line 25 in two side position of front of the hatch door 2, effectively reduces the contact surface between panel 1
Product promotes the sliding smoothness of hatch door 2.Back side raised line 26 is equipped in two side position of the back side of the hatch door 2.It effectively reduces and limits
Contact area between the pressing plate 6 of position, can more promote the sliding smoothness of hatch door 2.
Apparatus structure provided by the invention is simple, compact, and functional reliability is high, is suitble to one-handed performance, to using the side of bringing
Just.
In use, boosting hatch door 2 upwards by laterally pulling out item 24, the purpose for opening hatch door 2 is realized;At this moment, triggering is pressed
Key 4 exposes from the aperture 61 of limit pressing plate 6, when needing to destroy data, then triggers key 4 by long-pressing, can pre- fixed length
It is temporally after 3~5 seconds, 3~5 seconds, the GPIO interface of the processor in trigger circuit 7 detects that level becomes high letter from low
Number, processor issues a formatting commands to control system after receiving the signal, and control system carries out lattice to data storage medium
Formulaization operation, to realize data destroying, not only integrated operation process is simple, convenient, can be operated with one hand, and protection safety
Property it is good, have the function of double protection, maloperation or children avoided to touch, effectively ensure the safety of data.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to of the invention
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.Such as the present invention
Described in above-described embodiment, touched using other data destroyings based on physical protection obtained from same or similar technique feature
Forwarding method and its device, all fall in the scope of protection of the present invention.
Claims (10)
1. a kind of data destroying triggering method based on physical protection, which is characterized in that it includes the following steps:
(1) it is provided with an opening in panel, the position of corresponding opening is equipped with a groove in the back side of panel, cabin is placed in groove
The opening can be opened or be closed to door when pushing away the hatch door and sliding up and down;
(2) positioning that the hatch door can be located on the position of opening or the closing opening is equipped in two side positions of groove
Component;
(3) rear position of corresponding opening is fixed with triggering key;
(4) trigger circuit is set, which is connected with triggering key, triggering key is defaulted as normally open;
(5) pushing hatch door to open the opening keeps triggering key exposed, and long-pressing triggers key, the processor in trigger circuit
GPIO interface can detect that level becomes high signal from low, and processor issues a formatting commands to data after receiving the signal
Storage medium is formatted operation, to reach data destroying purpose.
2. the data destroying triggering method according to claim 1 based on physical protection, which is characterized in that the step
(2) specifically includes the following steps:
(2.1) elongated slot is respectively provided in the two sides positional symmetry of groove;
(2.2) spring is placed in elongated slot;
(2.3) it is placed with ball close to one end of hatch door in elongated slot, so that ball is pressed against the side wall of hatch door by the elastic force of spring
On, constitute the positioning component.
3. the data destroying triggering method according to claim 2 based on physical protection, which is characterized in that in the side of hatch door
Wall is equipped with opening corresponding with ball positioning recess and closes positioning recess, is caught in opening positioning recess by ball, real
Now the hatch door is located on the position for opening the opening, closing positioning recess is caught in by ball, is realized the cabin
Door is located on the position for closing the opening.
4. the data destroying triggering method according to claim 2 based on physical protection, which is characterized in that in the back of panel
Setting one lid in face closes the limit pressing plate on groove and elongated slot, for preventing hatch door from ball is dropped out and prevented from groove, and
Spring is dropped out from elongated slot.
5. a kind of device for realizing the data destroying triggering method described in any one of claim 1-4 based on physical protection,
It is characterized in that, it includes panel, hatch door, positioning component, limit pressing plate, triggering key and trigger circuit, set on the panel
There is an opening, the position of corresponding opening is equipped with a groove in the back side of panel, and the hatch door is movably arranged in groove, and can be recessed
The opening is accordingly opened or closed when sliding up and down in slot;The lateral location of positioning component respective slot is arranged on panel,
And the hatch door can be located on the position of opening or the closing opening;The back side of panel is arranged in the limit pressing plate,
And the closure of openings of the groove and elongated slot, the trigger circuit can be arranged in the back side of panel, triggering key is welded on touching
On Power Generation Road, and it is located at the rear position of the opening.
6. device according to claim 5, which is characterized in that the positioning component includes spring and ball, in groove
Two sides positional symmetry is respectively provided with the elongated slot of the setting spring, and the spring is located in elongated slot, and the ball is leaned on positioned at elongated slot
One end position of nearly hatch door, and opening corresponding with ball positioning recess and closing positioning are equipped on the side wall of the hatch door
Recess.
7. device according to claim 6, which is characterized in that set between the opening positioning recess and closing positioning recess
There is connection sliding slot.
8. device according to claim 5, which is characterized in that the positive bottom edge of the hatch door is equipped with and protrudes into the opening
Transverse direction pull out item.
9. the device according to claim 5 or 8, which is characterized in that it is convex that two side position of front of the hatch door is equipped with front
Item.
10. the device according to claim 5 or 8, which is characterized in that it is convex that two side position of the back side of the hatch door is equipped with the back side
Item.
Priority Applications (1)
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CN201810727560.5A CN109190415B (en) | 2018-07-05 | 2018-07-05 | Data destruction triggering method and device based on physical protection |
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CN201810727560.5A CN109190415B (en) | 2018-07-05 | 2018-07-05 | Data destruction triggering method and device based on physical protection |
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CN109190415A true CN109190415A (en) | 2019-01-11 |
CN109190415B CN109190415B (en) | 2021-08-27 |
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CN110532818A (en) * | 2019-08-05 | 2019-12-03 | 杭州电子科技大学 | A kind of hard disc enciphering system having GPIO, subregion and encryption method |
CN111291390A (en) * | 2020-01-20 | 2020-06-16 | 中国人民解放军海军工程大学 | Key data safety destruction triggering system and triggering method |
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