CN208477529U - A kind of key protectors - Google Patents
A kind of key protectors Download PDFInfo
- Publication number
- CN208477529U CN208477529U CN201820765548.9U CN201820765548U CN208477529U CN 208477529 U CN208477529 U CN 208477529U CN 201820765548 U CN201820765548 U CN 201820765548U CN 208477529 U CN208477529 U CN 208477529U
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- Prior art keywords
- fixing piece
- key
- equipment
- detection circuit
- circuit
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Abstract
The utility model discloses a kind of key protectors, including fixing piece, are located on the mainboard of equipment；Detection circuit is located inside the fixing piece；Execution circuit is located inside the fixing piece, containing battery and central processing unit for executing safeguard measure；Wherein, the detection circuit is connected with fixing piece and execution circuit respectively, for detection device state and to execution circuit issue signal；The device is mainly used for the cabinets class products such as video conference system terminal and platform, for preventing the means such as other people by the force of arms dismantling, Brute Force cipher key storage devices from obtaining key, this method is more light relative to the mode that simple physics reinforces cabinet, also safer.
Description
Technical field
The utility model belongs to computer security technical field, is related to a kind of key protectors, and especially one kind is used for
The key protectors of video conference terminal encryption equipment cabinets.
Background technique
With the communication technology, the development of image technology, video conferencing system is quickly grown, especially in key sector and pass
On key post using more and more, wherein there are privacy requirements in many momentous conferences, this video conferencing system is also used
Various encryption technologies come ensure meeting safety.But it because video conferencing system is a networking, widespread equipment, is carrying out
Multiple places, several scenes situation are often related to when session encryption, so the preservation and security requirements for key are also relatively high.
Although existing many equipment use cipher mode, key is just saved in a device, by violence device for disassembling, extracts key
Memory and Brute Force key will generate some potential safety problems, have once Key Exposure secrecy meeting monitored
Risk.
Utility model content
For the shortcomings of the prior art, the purpose of this utility model is to provide a kind of cryptographic key protection dresses
It sets, is mainly used for the cabinets class product such as video conference system terminal and platform, for preventing other people by the force of arms dismantlings, Brute Force
The means such as cipher key storage device obtain key, and this method is more light relative to the mode that simple physics reinforces cabinet, also more
For safety.
The utility model provides a kind of key protectors, comprising:
Fixing piece is located on the mainboard of equipment；
Detection circuit is located inside the fixing piece；
Execution circuit is located inside the fixing piece, containing battery and central processing unit for executing safeguard measure；
Wherein, the detection circuit is connected with fixing piece and execution circuit respectively, for detection device state and to
Execution circuit issues signal.
Preferably, the detection circuit includes telescoping switch, and the telescoping switch is controlled by the cabinet of the equipment.
Preferably, the telescoping switch passes through the top surface of fixing piece, and one end is connected with the cabinet of equipment, another termination
Enter detection circuit；The cabinet state that the detection circuit passes through the telescoping switch detection device.
Preferably, the top surface aperture of the fixing piece is used for across the telescoping switch；The telescoping switch selects machine
Tool telescoping switch.
Preferably, the fixing piece is welded on the mainboard of equipment, and the detection circuit is connected with the solder contacts
It connects, and detects the state of fixing piece by the solder contacts.
Preferably, pin there are four being set below the fixing piece, and be welded on the mainboard of equipment by the pin.
Preferably, the central processing unit of the execution circuit is connected with detection circuit, for receiving the signal simultaneously
Key is wiped to protect equipment.
Preferably, the central processing unit selects low-power consumption type, can receive system power supply power supply or the battery supplies
Electricity.
Preferably, the Selection of Battery lithium battery；The fixing piece is by the molding Semi-seal structure part of intermetallic composite coating.
The utility model has the beneficial effects that key protectors provided by this case are compared with prior art, this dress first
It sets more securely and reliably, even if it is also ensured that device keys are not leaked under device losses or off-position；Secondly there is dress
Advantage that is small in size, being easily integrated is set, adaptability also more extensively, can be adapted for the various equipment put with closed case, and
And to the material of cabinet, size is not specially required.
Detailed description of the invention
Fig. 1 is key protectors structural schematic diagram in the utility model；
Wherein, 1- fixing piece, 2- detection circuit, 3- execution circuit, the top surface aperture of 4- fixing piece, 5- pin, 6-, which stretch, opens
Pass, 7- battery, 8- central processing unit (CPU), 9- equipment cabinets.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", " perpendicular ", " cross " "inner", "outside" is orientation based on the figure or position
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This
Outside, term " first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
Here a kind of specific embodiment for rotary switch structure is provided, mainly by fixing piece 1,2 and of detection circuit
3 three parts of execution circuit composition；Wherein, fixing piece 1 is set on the mainboard of equipment to be protected, detection circuit 2 and execution circuit 3
Positioned at the inside of fixing piece 1, execution circuit 3 is the core component of device, including central processing unit 8 and battery 7；Detection circuit 2
It is connected respectively with fixing piece 1 and execution circuit 3, for the state of detection device, and when there is abnormal condition to holding
Row circuit 3 issues alarm signal, and execution circuit 3, which receives to take immediate steps after the alarm signal, protects key；
Further, detection circuit 2 includes telescoping switch 6,6 one end detection circuit for access 2 of telescoping switch, and the other end leads to
It crosses fixing piece top surface aperture 4 to be connected with the cabinet 9 of equipment, and is controlled by the cabinet, i.e., telescoping switch 6 can reflect this in real time
The state of cabinet, when equipment cabinets 9 are moved or destroyed, the abnormal and detected circuit 2 that telescoping switch 6 will appear is examined in time
Measure, immediately to execution circuit 3 issue interrupt signal, execution circuit 3 after the interrupt signal for receiving detection circuit 2 immediately
It is waken up from sleep state, and wipes the key being stored in execution unit.
Embodiment 2
On the basis of embodiment 1, fixing piece 1 is welded on the mainboard of equipment, and detection circuit 2 can also be touched by welding
The case where point, judges the state of fixing piece, with the state of this detection device；Further, the lower section of fixing piece 1 is made into four
The welding structure of foot sets there are four pin 5, and is welded on equipment mainboard by the pin, detection circuit 2 and pin 5
Solder contacts be connected, when fixing piece 1 is removed or moves, abnormal detected circuit 2 being detected immediately occurs in pin 5
It arrives, detection circuit 2 issues interrupt signal to execution circuit 3 immediately, and execution circuit 3 once receives the interruption letter of detection circuit 2
It is waken up immediately from sleep state after number, and wipes the key being stored in execution unit.
Embodiment 3
Further, core of the execution circuit 3 as the key protectors includes a low-power consumption central processing unit 8
With a power supply lithium battery 7, CPU power supply relies on system power supply when equipment to be protected works normally；When equipment does not have work
When making or being unplugged, CPU keeps low power consumpting state by internal lithium battery, and CPU once receives inspection in execution circuit 3
The interrupt signal of slowdown monitoring circuit 2 wakes up from sleep state immediately, and wipes the key being stored in execution unit；Further, Gu
Determining part 1 is by the molding Semi-seal structure part of intermetallic composite coating, and telescoping switch 6 is preferably mechanical-stretching switch.
The course of work of the present embodiment is as follows: equipment installation when first install telescoping switch 6, detection circuit 2, battery 7,
Then fixing piece 1 is welded on circuit boards and covers detection circuit 2 and execution circuit 3, finally by the lid of cabinet 9 by CPU 8 etc.
Son closes；Detection circuit 2 detects the closure of telescoping switch 6 and fixing piece welding 5 circuit indicating closing of pin, execution circuit 3
CPU 8 among be stored with system key, at this time CPU 8 enter low-power consumption working condition；2 care testing device machine of detection circuit
Case 9 or fixing piece weld the state of pin 5, and any one state changes in the two, and detection circuit 2 will be to CPU
8 issue interrupt signal, and CPU 8 receives the signal and removes the key for being stored in inside immediately, to protect equipment safety；To prevent
Take power-down mode that CPU 8 is prevented to run removing movement, internal cell 7 is used to maintain CPU 8 long when system power supply is cut off
Time service.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (9)
1. a kind of key protectors characterized by comprising
Fixing piece is located on the mainboard of equipment；
Detection circuit is located inside the fixing piece；
Execution circuit is located inside the fixing piece, containing battery and central processing unit for executing safeguard measure；
Wherein, the detection circuit is connected with fixing piece and execution circuit respectively, for detection device state and to execution
Circuit sending signal.
2. key protectors according to claim 1, which is characterized in that the detection circuit includes telescoping switch, institute
State the cabinet that telescoping switch is controlled by the equipment.
3. key protectors according to claim 2, which is characterized in that the telescoping switch passes through the top of fixing piece
Face, one end are connected with the cabinet of equipment, other end detection circuit for access；The detection circuit is detected by the telescoping switch
The cabinet state of equipment.
4. key protectors according to claim 3, which is characterized in that the top surface aperture of the fixing piece be used for across
The telescoping switch；The telescoping switch selects mechanical-stretching switch.
5. key protectors according to claim 1, which is characterized in that the fixing piece is welded in the mainboard of equipment
On, the detection circuit is connected with solder contacts, and the state of fixing piece is detected by solder contacts.
6. key protectors according to claim 5, which is characterized in that it is set below the fixing piece there are four pin,
And it is welded on the mainboard of equipment by the pin.
7. key protectors according to claim 1, which is characterized in that the central processing unit of the execution circuit and inspection
Slowdown monitoring circuit is connected, for receiving the signal and wiping key to protect equipment.
8. key protectors according to claim 1, which is characterized in that the central processing unit selects low-power consumption type,
It can receive system power supply power supply or battery power supply.
9. key protectors according to claim 1, which is characterized in that the Selection of Battery lithium battery；The fixation
Part is by the molding Semi-seal structure part of intermetallic composite coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820765548.9U CN208477529U (en) | 2018-05-22 | 2018-05-22 | A kind of key protectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820765548.9U CN208477529U (en) | 2018-05-22 | 2018-05-22 | A kind of key protectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208477529U true CN208477529U (en) | 2019-02-05 |
Family
ID=65218036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820765548.9U Active CN208477529U (en) | 2018-05-22 | 2018-05-22 | A kind of key protectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208477529U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110310104A (en) * | 2019-06-06 | 2019-10-08 | 武汉卓目科技有限公司 | A kind of self-distroyable disposable hardware wallet |
| CN110310108A (en) * | 2019-06-06 | 2019-10-08 | 武汉卓目科技有限公司 | A kind of band tears the self-destructed New Hardware wallet of machine open |
| CN113472535A (en) * | 2021-08-02 | 2021-10-01 | 电信科学技术第五研究所有限公司 | Active and passive triggering key destruction circuit capable of running for long time |
-
2018
- 2018-05-22 CN CN201820765548.9U patent/CN208477529U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110310104A (en) * | 2019-06-06 | 2019-10-08 | 武汉卓目科技有限公司 | A kind of self-distroyable disposable hardware wallet |
| CN110310108A (en) * | 2019-06-06 | 2019-10-08 | 武汉卓目科技有限公司 | A kind of band tears the self-destructed New Hardware wallet of machine open |
| CN110310108B (en) * | 2019-06-06 | 2022-04-08 | 武汉卓目科技有限公司 | Novel self-destruction hardware wallet with dismantling machine |
| CN110310104B (en) * | 2019-06-06 | 2022-04-08 | 武汉卓目科技有限公司 | Self-destruction type hardware wallet |
| CN113472535A (en) * | 2021-08-02 | 2021-10-01 | 电信科学技术第五研究所有限公司 | Active and passive triggering key destruction circuit capable of running for long time |
| CN113472535B (en) * | 2021-08-02 | 2024-02-27 | 电信科学技术第五研究所有限公司 | Active and passive triggering key destruction circuit capable of running for long time |
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