CN109190415B - Data destruction triggering method and device based on physical protection - Google Patents
Data destruction triggering method and device based on physical protection Download PDFInfo
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- CN109190415B CN109190415B CN201810727560.5A CN201810727560A CN109190415B CN 109190415 B CN109190415 B CN 109190415B CN 201810727560 A CN201810727560 A CN 201810727560A CN 109190415 B CN109190415 B CN 109190415B
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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
- 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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Abstract
The invention discloses a data destruction triggering method and a device thereof based on physical protection, comprising a panel, a cabin door, a positioning assembly, a limiting pressing plate, a triggering key and a triggering circuit; the data destruction triggering method based on physical protection is simple in operation steps, can be operated by one hand and is easy to realize, when data needs to be destroyed, the GPIO interface of the processor in the triggering circuit detects a signal that the level is changed from low to high by long pressing of the triggering key, the processor sends a formatting instruction to the control system after receiving the signal, and the control system carries out formatting operation on a data storage medium, so that data destruction is realized; the device provided by the invention has the advantages of simple and compact structure, high working reliability and contribution to wide popularization and application.
Description
Technical Field
The invention relates to the technical field of data destruction triggering, in particular to a data destruction triggering method and device based on physical protection.
Background
With the development of information technology, more and more important data are stored on a storage device of a computer, and people pay attention to the problem of how to ensure the security of the data. When a storage device storing sensitive information is out of control or has a great risk of out of control in an emergency, a serious divulgence event can be caused, and even a loss which is difficult to recover is brought. At present, data destruction mainly adopts data overwriting, degaussing, physical crushing, chemical reagent dissolving and the like. Wherein data overwriting is typically artificially triggered to access a certain file or storage area under a specific operating system. However, in the process of manual operation, the phenomenon of misoperation is easy to occur, so that important data is destroyed, or important data is destroyed because a child touches the destruction button by an unintelligible accident, so that the loss which is difficult to recover is brought. Therefore, a data destruction triggering method and a data destruction triggering device based on physical protection are urgently needed in the market.
Disclosure of Invention
In view of the above disadvantages, an object of the present invention is to provide a data destruction triggering method based on physical protection, which has simple operation steps, is easy to implement, avoids misoperation, and has good protection safety;
the second objective of the present invention is to provide a device for implementing the aforementioned data destruction triggering method based on physical protection.
In order to achieve the purpose, the invention provides the technical scheme that:
a data destruction triggering method based on physical protection comprises the following steps:
(1) the panel is provided with an opening, the back of the panel corresponding to the opening is provided with a groove, a cabin door is arranged in the groove, and the opening can be opened or closed when the cabin door is pushed to slide up and down;
(2) positioning components capable of positioning the cabin door at a position for opening or closing the opening are arranged at the positions on the two sides of the groove;
(3) a trigger key is fixed at the rear position corresponding to the opening;
(4) a trigger circuit is arranged and connected with a trigger key, and the trigger key is in a normally open state by default;
(5) the hatch door is pushed to open the opening to expose the trigger key, the trigger key is pressed for a long time, the GPIO interface of the processor in the trigger circuit detects a signal that the level is changed from low to high, and the processor sends a formatting command to format the data storage medium after receiving the signal, so that the purpose of data destruction is achieved.
As an improvement of the present invention, the step (2) specifically includes the following steps:
(2.1) symmetrically arranging an elongated slot on each of the two sides of the groove;
(2.2) placing a spring in the long groove;
and (2.3) placing a ball at one end of the elongated slot close to the cabin door, and pressing the ball on the side wall of the cabin door through the elasticity of the spring to form the positioning assembly.
As an improvement of the invention, the side wall of the cabin door is provided with an opening positioning concave position and a closing positioning concave position corresponding to the ball, the cabin door is positioned at the position of opening the opening by clamping the ball into the opening positioning concave position, and the cabin door is positioned at the position of closing the opening by clamping the ball into the closing positioning concave position.
As an improvement of the invention, a limit pressure plate covering the groove and the long groove is arranged on the back surface of the panel and is used for preventing the cabin door from falling out of the groove and preventing the ball and the spring from falling out of the long groove.
A device for realizing the data destruction triggering method based on physical protection comprises a panel, a cabin door, a positioning assembly, a limiting pressure plate, a triggering key and a triggering circuit, wherein the panel is provided with an opening, a groove is formed in the back of the panel corresponding to the position of the opening, the cabin door is movably arranged in the groove and can correspondingly open or close the opening when sliding up and down in the groove; the positioning component is arranged on the panel corresponding to the side edge position of the groove and can position the cabin door at a position for opening or closing the opening; the limiting pressure plate is arranged on the back of the panel and can seal the openings of the grooves and the elongated slots, the trigger circuit is arranged on the back of the panel, and the trigger key is welded on the trigger circuit and is located behind the openings.
As an improvement of the invention, the positioning assembly comprises a spring and a ball, wherein two long grooves for arranging the spring are symmetrically arranged at two sides of the groove respectively, the spring is positioned in the long groove, the ball is positioned at one end of the long groove close to the cabin door, and an opening positioning concave position and a closing positioning concave position corresponding to the ball are arranged on the side wall of the cabin door.
As an improvement of the invention, a communicating chute is arranged between the opening positioning concave position and the closing positioning concave position, so that the sliding stability of the cabin door is effectively improved.
As an improvement of the invention, the transverse pulling strip protruding into the opening is arranged on the bottom edge of the front face of the cabin door, and the cabin door can be conveniently pushed to slide up and down through the transverse pulling strip, so that convenience is brought to operation and use.
As an improvement of the invention, the positions of two sides of the front surface of the cabin door are provided with the front surface convex strips, so that the contact area between the cabin door and the panel is effectively reduced, and the sliding smoothness of the cabin door is improved.
As an improvement of the invention, back convex strips are arranged at the two sides of the back of the cabin door. Effectively reduce and spacing clamp plate between area of contact, further promote the smooth and easy nature of slip of hatch door.
The invention has the beneficial effects that: the data destruction triggering method based on physical protection is simple in operation steps, can be operated by a single hand, is easy to realize, and brings convenience to operation and use; meanwhile, the cabin door is arranged to shield the trigger key and trigger the data destruction instruction only by long-time pressing of the trigger key for a few seconds, so that double protection in physical and procedural aspects is formed, misoperation or child touch is avoided, safety is protected, and data safety is effectively ensured; the device provided by the invention has the advantages of simple and compact structure, high working reliability, suitability for single-hand operation and convenience for use.
Drawings
FIG. 1 is an exploded view of the present invention.
Fig. 2 is a schematic structural view of the hatch door of the present invention.
Fig. 3 is a schematic view of the 1 st perspective structure of the present invention.
Fig. 4 is a schematic perspective view of the 2 nd embodiment of the present invention.
Detailed Description
Example (b): referring to fig. 1 to 4, an embodiment of the present invention provides a data destruction triggering method based on physical protection, which includes the following steps:
(1) an opening 11 is arranged on the panel 1, a groove 12 is arranged on the back surface of the panel 1 corresponding to the position of the opening 11, a cabin door 2 is arranged in the groove 12, and the opening 11 can be opened or closed when the cabin door 2 is pushed to slide up and down;
(2) the positioning components 3 capable of positioning the hatch door 2 at the position of opening or closing the opening 11 are arranged at the positions at the two sides of the groove 12; specifically, (2.1) two long grooves 13 are symmetrically arranged at two sides of the groove 12; (2.2) placing a spring 31 in the elongated slot 13; (2.3) a ball 32 is arranged at one end of the long groove 13 close to the hatch door 2, and the ball 32 is pressed on the side wall of the hatch door 2 through the elasticity of the spring 31 to form the positioning component 3. Then, an opening positioning concave position 21 and a closing positioning concave position 22 corresponding to the ball 32 are arranged on the side wall of the cabin door 2, the opening positioning concave position 21 is clamped through the ball 32, the cabin door 2 is positioned at the position for opening the opening 11, the closing positioning concave position 22 is clamped through the ball 32, and the cabin door 2 is positioned at the position for closing the opening 11.
(3) A trigger button 4 is fixed at the rear position corresponding to the opening 11; a limiting pressure plate 6 which is covered on the groove 12 and the long groove 13 is fixed on the back of the panel 1 through a screw 5 and is used for preventing the cabin door 2 from falling out of the groove 12 and preventing the ball 32 and the spring 31 from falling out of the long groove 13; the limiting pressure plate 6 is provided with an opening 61 corresponding to the trigger button 4; countersunk holes 62 are formed in the four corner positions of the limiting pressure plate 6, so that the head of the screw 5 is prevented from being protruded, and the occupied space is reduced;
(4) a trigger circuit 7 is arranged, the trigger circuit 7 is connected with the trigger button 4, and the trigger button 4 is in a normally open state by default;
(5) the hatch door 2 is pushed to open the opening 11 to expose the trigger key 4, the trigger key 4 is pressed for a long time, the GPIO interface of the processor in the trigger circuit 7 detects a signal that the level is changed from low to high, and the processor sends a formatting instruction to perform formatting operation on the data storage medium after receiving the signal, so that the purpose of data destruction is achieved. The data destruction triggering method based on physical protection is simple in operation steps, can be operated by a single hand, is easy to realize, and brings convenience to operation and use; meanwhile, the cabin door 2 is arranged to shield the trigger key 4 and the data destruction instruction is triggered only by long-time pressing of the trigger key 4 for a few seconds, so that double protection in physical and procedural aspects is formed, misoperation or child touch is avoided, safety is protected, and data safety is effectively ensured;
a device for realizing the data destruction triggering method based on physical protection comprises a panel 1, a cabin door 2, a positioning assembly 3, a limiting pressing plate 6, a triggering key 4 and a triggering circuit 7, wherein an opening 11 is formed in the panel 1, a groove 12 is formed in the back face of the panel 1 corresponding to the position of the opening 11, the cabin door 2 is movably arranged in the groove 12, and the opening 11 can be correspondingly opened or closed when the cabin door slides up and down in the groove 12.
The positioning component 3 is arranged on the panel 1 corresponding to the side position of the groove 12 and can position the hatch door 2 at a position for opening or closing the opening 11; specifically, the positioning assembly 3 includes a spring 31 and a ball 32, two long grooves 13 for disposing the spring 31 are symmetrically disposed at two sides of the groove 12, the spring 31 is disposed in the long groove 13, the ball 32 is disposed at one end of the long groove 13 close to the hatch door 2, and an opening positioning concave 21 and a closing positioning concave 22 corresponding to the ball 32 are disposed on a side wall of the hatch door 2. Preferably, a communicating sliding chute 23 is arranged between the opening positioning concave position 21 and the closing positioning concave position 22, so as to effectively improve the sliding stability of the hatch door 2.
The limiting pressing plate 6 is arranged on the back of the panel 1 and can seal the openings of the groove 12 and the long groove 13, the trigger circuit 7 is arranged on the back of the panel 1, and the trigger button 4 is welded on the trigger circuit 7 and is positioned behind the opening 11.
For convenient operation, a transverse pulling strip 24 protruding into the opening 11 is arranged on the bottom edge of the front face of the cabin door 2, and the cabin door 2 can be conveniently pushed to slide up and down through the transverse pulling strip 24, so that convenience is brought to operation and use.
The front raised strips 25 are arranged on the two sides of the front surface of the cabin door 2, so that the contact area between the cabin door and the panel 1 is effectively reduced, and the sliding smoothness of the cabin door 2 is improved. Back protruding strips 26 are arranged at the two sides of the back of the hatch door 2. Effectively reduce and spacing clamp plate 6 between area of contact, more can promote the smooth and easy nature of the slip of hatch door 2.
The device provided by the invention has the advantages of simple and compact structure, high working reliability, suitability for single-hand operation and convenience for use.
When in use, the hatch door 2 is pushed upwards through the transverse pulling strip 24, so that the aim of opening the hatch door 2 is fulfilled; at this moment, the trigger button 4 is exposed from the open pore 61 of the limiting pressing plate 6, when data needs to be destroyed, the trigger button 4 is pressed for a long time, the preset long pressing time is 3-5 seconds, after 3-5 seconds, a GPIO interface of a processor in the trigger circuit 7 detects a signal that the level is changed from low to high, the processor receives the signal and sends a formatting instruction to a control system, and the control system performs formatting operation on a data storage medium, so that data destruction is realized.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation. As described in the above embodiments of the present invention, other data destruction triggering methods and devices based on physical protection, which are obtained by using the same or similar technical features, are within the scope of the present invention.
Claims (9)
1. A data destruction triggering method based on physical protection is characterized by comprising the following steps:
(1) the panel is provided with an opening, the back of the panel corresponding to the opening is provided with a groove, a cabin door is arranged in the groove, and the opening can be opened or closed when the cabin door is pushed to slide up and down;
(2) positioning components capable of positioning the cabin door at a position for opening or closing the opening are arranged at the positions on the two sides of the groove; the positioning assembly comprises a spring and a ball, two long grooves for arranging the spring are symmetrically arranged at the two sides of the groove respectively, the spring is positioned in the long groove, the ball is positioned at one end of the long groove close to the cabin door, and an opening positioning concave position and a closing positioning concave position corresponding to the ball are arranged on the side wall of the cabin door;
(3) a trigger key is fixed at the rear position corresponding to the opening;
(4) a trigger circuit is arranged and connected with a trigger key, and the trigger key is in a normally open state by default;
(5) the hatch door is pushed to open the opening to expose the trigger key, the trigger key is pressed for a long time, the GPIO interface of the processor in the trigger circuit detects a signal that the level is changed from low to high, and the processor sends a formatting command to format the data storage medium after receiving the signal, so that the purpose of data destruction is achieved.
2. The physical protection-based data destruction triggering method according to claim 1, wherein the step (2) specifically comprises the following steps:
(2.1) symmetrically arranging an elongated slot on each of the two sides of the groove;
(2.2) placing a spring in the long groove;
and (2.3) placing a ball at one end of the elongated slot close to the cabin door, and pressing the ball on the side wall of the cabin door through the elasticity of the spring to form the positioning assembly.
3. The data destruction triggering method based on physical protection as claimed in claim 2, wherein an opening positioning concave position and a closing positioning concave position corresponding to the balls are provided on the side wall of the door, the door is positioned at the position where the opening is opened by the ball being snapped into the opening positioning concave position, and the door is positioned at the position where the opening is closed by the ball being snapped into the closing positioning concave position.
4. The physical defense-based data destruction triggering method according to claim 2, wherein a limit pressure plate covering the groove and the elongated slot is provided on the back of the panel to prevent the door from falling out of the groove and prevent the balls and the spring from falling out of the elongated slot.
5. A device for realizing the data destruction triggering method based on physical protection according to any one of claims 1-4, which is characterized by comprising a panel, a cabin door, a positioning assembly, a limiting pressure plate, a triggering button and a triggering circuit, wherein the panel is provided with an opening, a groove is arranged on the back surface of the panel corresponding to the position of the opening, the cabin door is movably arranged in the groove, and can correspondingly open or close the opening when sliding up and down in the groove; the positioning component is arranged on the panel corresponding to the side edge position of the groove and can position the cabin door at a position for opening or closing the opening; the limiting pressure plate is arranged on the back of the panel and can seal the openings of the groove and the long groove, the trigger circuit is arranged on the back of the panel, and the trigger key is welded on the trigger circuit and is positioned behind the opening;
the positioning assembly comprises a spring and a ball, two long grooves for arranging the spring are symmetrically arranged at two sides of the groove respectively, the spring is positioned in the long groove, the ball is positioned at one end of the long groove close to the cabin door, and an opening positioning concave position and a closing positioning concave position corresponding to the ball are arranged on the side wall of the cabin door.
6. The device according to claim 5, characterized in that a communication chute is provided between the open positioning recess and the closed positioning recess.
7. The device of claim 5, wherein the lower edge of the front face of the door is provided with a transverse pull tab projecting into the opening.
8. The device as claimed in claim 5 or 7, wherein the hatch is provided with front ribs at both sides of the front surface.
9. The device as claimed in claim 5 or 7, wherein the hatch is provided with a back rib at two sides of the back surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810727560.5A CN109190415B (en) | 2018-07-05 | 2018-07-05 | Data destruction triggering method and device based on physical protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810727560.5A CN109190415B (en) | 2018-07-05 | 2018-07-05 | Data destruction triggering method and device based on physical protection |
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| Publication Number | Publication Date |
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| CN109190415A CN109190415A (en) | 2019-01-11 |
| CN109190415B true CN109190415B (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810727560.5A Active CN109190415B (en) | 2018-07-05 | 2018-07-05 | Data destruction triggering method and device based on physical protection |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN111291390B (en) * | 2020-01-20 | 2022-05-20 | 中国人民解放军海军工程大学 | Triggering system and triggering method for safe destruction of critical data |
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| CN109190415A (en) | 2019-01-11 |
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