CN109729732A - The keyboard for having security function - Google Patents
The keyboard for having security function Download PDFInfo
- Publication number
- CN109729732A CN109729732A CN201880002501.XA CN201880002501A CN109729732A CN 109729732 A CN109729732 A CN 109729732A CN 201880002501 A CN201880002501 A CN 201880002501A CN 109729732 A CN109729732 A CN 109729732A
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- Prior art keywords
- security
- keyboard
- key assignments
- display
- power supply
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Classifications
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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
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/83—Protecting input, output or interconnection devices input devices, e.g. keyboards, mice or controllers thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Human Computer Interaction (AREA)
- Power Sources (AREA)
Abstract
The present invention relates to a kind of keyboards for having security function, which is characterized in that supplies display driving power by keyboard, and cuts off the supply of display driving power if user inputs security work signal to realize display security.Especially, during executing display security, the key assignments for being input to keyboard by user is made to be not delivered to basic computer, thus fundamentally prevents the hacker attack using keyboard, has the effect of further strengthening security.
Description
Technical field
The present invention relates to the keyboard for having security function, it is related to a kind of by preventing by based on used in the industry spot
The keyboard for having security function of the display leakage important information of calculation machine.
Background technique
In recent years, because the important information that the enterprises such as national core technology, industrial technology, trade secret are possessed is leaked,
And cause to lose bring damage expansion by core intangible asset.
Especially, the office worker that cooperative enterprise occurs takes advantage of the chances disengaging such as product installation, maintenance and business meetings research department, life
Factory, office etc. are produced, and reveals the example of important information by the display of the comptometer in industry spot.
Therefore, be badly in need of developing it is a kind of can picture to the display for the computer that industry spot utilizes extensively easily
Implement the security product of security function.
Currently, generally utilizing the method for being directly opened and closed display by user for the security of display picture.Due to logical
Pressing display power supply button is crossed to be opened and closed display be who can accomplish, so actually belonging to do not have security function
Method.
Therefore, the people of no computer access right also can close to computer and open display and from computer obtain it is important
Information simultaneously is allowed to reveal.
As the another method for display picture security, there are also the picture protective programs carried using operating system
Method.Since this belongs to well-known security mode, make the malicious code or extort software, also hacker's work which is invalid
Tool etc. is popularized already, therefore this method is also not security.
Moreover, although preventing the information leakage by display picture, being protected in picture for picture protective program
It is therefore black from that can be carried out by key input still in the state that can carry out key input by keyboard during program work
From the point of view of the aspect of visitor's attack, it is not to be regarded as safe security method.
On the other hand, if making display persistently keep it turning on or be switched to other pictures during not using computer
Face, then the waste of electric power can continue.Therefore, it is necessary to one kind, and display driving power is controlled during not using computer
To prevent unnecessary power wastage, and the method that can also realize display security.
Summary of the invention
The present invention is proposed to solve the problems, such as in the prior art as described above, it is therefore intended that is proposed a kind of logical
Shirtsleeve operation is crossed execute display security have security function of cutting off supply to the display driving power of display
Keyboard.
The keyboard drive power supply to keyboard is especially supplied by control during executing display security to make to utilize
The hacker attack that keyboard carries out can not reach.
To solve the above-mentioned problems, it is a feature of the present invention that including: source power supply interconnecting piece, in order to receive display
The supply of driving power and connect with source power supply；Display driving power supply unit is arranged to be used for supplying to display
Aforementioned display device driving power；Display driving power switch, setting are driven in above-mentioned source power supply interconnecting piece and aforementioned display device
Between dynamic power suppling part, aforementioned display device driving power is made to be fed into aforementioned display device or cutting aforementioned display device driving
Supply of the power supply to aforementioned display device；Key assignments input unit receives the input of key assignments from user；Security work signal input part,
The input of security work signal is received from user；Interface module receives the supply of keyboard drive power supply and works, and
For basic computer will to be transferred to by the above-mentioned received key assignments of key assignments input unit；Keyboard drive power switch, by above-mentioned key
Supply of the dish driving power supply to above-mentioned interface module or the above-mentioned keyboard drive power supply of cutting to above-mentioned interface module；Security
Module is compared with preassigned security code to by the above-mentioned received key assignments of key assignments input unit, and judges above-mentioned key assignments
It is whether consistent with above-mentioned security code, Lai Shengcheng security ring off signal；Switch control module is having input above-mentioned security work signal
When, control aforementioned display device driving power switchs to cut off the aforementioned display device driving power of supply to aforementioned display device, and
Above-mentioned keyboard drive power switch is controlled to cut off the above-mentioned keyboard drive power supply of supply to above-mentioned interface module, on generating
When stating security ring off signal, control aforementioned display device driving power switch is above-mentioned aobvious be supplied to aforementioned display device driving power
Show device, and controls above-mentioned keyboard drive power switch to make above-mentioned keyboard drive power supply to above-mentioned interface module.
In the above description, preferably, for above-mentioned security module composition to include: key assignments storage unit, storage passes through above-mentioned key
It is worth the received key assignments of input unit；Security code storage unit stores above-mentioned security code；And key assignments comparing section, above-mentioned key assignments is stored
The key assignments in portion is compared with the security code of above-mentioned security code storage unit.
In the above description, preferably, above-mentioned keyboard drive power switch is to make above-mentioned keyboard drive power supply selectively
The toggle switch of any one into above-mentioned interface module and above-mentioned security module is supplied, if receiving above-mentioned security work
The input of signal, then above-mentioned switch control module controls above-mentioned keyboard drive power switch and will supply to above-mentioned interface module
Above-mentioned keyboard drive power supply, which switches to, is supplied in above-mentioned security module.
In the above description, preferably, above-mentioned security work signal input part is configured to include the input of security work signal
With key, above-mentioned security work signal input is one in each key for receiving the above-mentioned key assignments input unit of the input of key assignments with key
It is a.
If can utilize using the related keyboard for having security function present invention as described above and pass through security work
The simple operations for making signal input part input security work signal carry out the security of display and keyboard easy to accomplish.
Especially, when having input security work signal, close display picture by controlling display driving power,
The information leakage by display picture is prevented, the work of keyboard is interrupted during executing display security, thus from root
Prevent to input the hacker attack carried out by key assignments in sheet.
Moreover, because display driving power is thoroughly cut off, so unnecessary power wastage can be prevented, and can
Prevent the case where causing computation error to work because accidentally pressing keyboard during executing security.
Detailed description of the invention
Fig. 1 is the structure using the computer system for the keyboard for having security function involved in one embodiment of the invention
Figure.
Fig. 2 is the internal structure chart of the keyboard for having security function of Fig. 1.
Fig. 3 is the figure for showing the state of the security for executing display and keyboard for the keyboard for having security function of Fig. 2.
Fig. 4 is the state used for starting again at display and keyboard for showing the keyboard for having security function of Fig. 2
Figure.
Specific embodiment
In the following, the embodiment of the present invention is described in detail referring to attached drawing, so that those skilled in the art can be easy
Implement.However, the present invention can realize in a variety of ways, it is not limited to the reality that will illustrate in the description
Apply example.Also, in order to clearly demonstrate the present invention, the part unrelated with explanation is omitted in the accompanying drawings, in specification full text
In similar appended drawing reference is marked to similar part.In the specification, certain a part of a certain structural elements of " comprising " is referred to
When part, refer to can also include other structures element when having no especially opposite description, and not removes other structures element
Outside.
Fig. 1 is the structure of the computer system involved in one embodiment of the invention using the keyboard for having security function
Figure, Fig. 2 is the internal structure chart of the keyboard for having security function of Fig. 1.
The keyboard 10 (calling " keyboard " in the following text) for having security function involved in one embodiment of the invention is based on constructing
Calculation machine system, be for constructing the computer system for realizing display and keyboard security more specifically.
As shown in Figure 1, the computer system for having security function includes basic computer 30, display 20 and this implementation
The keyboard 10 of example.
Main body power supply line 31 is connected to source power supply and receives the supply of computer drives power supply by basic computer 30.
In basic computer 30, other than display 20 and keyboard 10, it can also connect there are many peripheral equipment, since this belongs to
General item, therefore omit detailed description related to this.
Identical as basic computer 30, display 20 also receives the supply of display driving power from source power supply and carries out
Work.Moreover, display 20 connect reception with basic computer 30 by the video line 22 of D-SUB, DVI, HDMI wire etc
The transmitting of vision signal.
In this example it is shown that device 20 is not to be directly connected to source power supply to receive the confession of display driving power
It gives, but receives the supply of display driving power via keyboard 10.
Therefore, in order to receive the supply of display driving power, keyboard 10 is provided with the commercialization electricity connecting with source power supply
Source interconnecting piece 110 and display driving power for will be received by source power supply interconnecting piece 110 are supplied to display 20
Display driving power supply unit 120.
Moreover, being provided with the friendship for will receive from source power supply interconnecting piece 110 in display driving power supply unit 120
Galvanic electricity source is converted into the adapter 121 of DC power supply.
Keyboard 10 is connected in basic computer 30.Keyboard 10 passes through the keyboard line 11 being wholely set with keyboard 10 and calculating
The PS/2 of owner's body 30, USB port connection, and receive the keyboard drive power supply for driving keyboard 10 from basic computer 30.
Certainly, the key assignments for being input to the user of keyboard 10 is passed to basic computer 30 also by the keyboard line 11 of keyboard 10.
The connection of the basic computer 30 and keyboard 10 that carry out as described above via PS/2, USB port is the prior art
In most extensively by the way of, according to embodiment, also can use bluetooth etc. be wirelessly connected.
In the case where keyboard 10 and basic computer 30 are to be wirelessly connected, by for receiving display driving power
Source power supply interconnecting piece 110 receives the supply of keyboard drive power supply, or the electricity other from the battery for being inserted in keyboard 10 etc.
Source feed unit receives the supply of keyboard drive power supply.
Next, the keyboard 10 for having security function involved in one embodiment of the invention is described in detail.
Keyboard 10 based on the present embodiment is configured to include: display driving power switch 100, source power supply interconnecting piece
110, display driving power supply unit 120, keyboard drive power switch 200, key assignments input unit 300, interface module 400, peace
Protect module 500, switch control module 600 and security work signal input part.
As described above, in order to receive the supply of display driving power, keyboard 10 is provided with the quotient connecting with source power supply
It is supplied with electrical power source connection 110 and the display driving power for will be received by source power supply interconnecting piece 110 to display
The display driving power supply unit 120 of device 20.
Display driving power is provided between source power supply interconnecting piece 110 and display driving power supply unit 120
Switch 100.Display driving power switch 100 is for that will drive electricity by the display that source power supply interconnecting piece 110 receives
Source by display driving power supply unit 120 supply to display 20 or the supply for cutting off the display driving power after
Electric switch.
Keyboard 10 is provided with keyboard drive power switch 200.Keyboard drive power switch 200 is used for keyboard drive electricity
Source is supplied to aftermentioned interface module 400 or security module 500, or cuts off the supply of the keyboard drive power supply.
In the present embodiment, keyboard drive power switch 200 is the keyboard drive power supply that will receive from basic computer 30
The toggle switch of interface module 400 or security module 500 is selectively supplied to according to the control of switch control module 600.
It can be to supply key to interface module 400 according to embodiment for keyboard drive power switch 200
Dish driving power supply or the mode of supply for cutting off keyboard drive power supply are realized, rather than select interface module 400 or security mould
Block 500.I.e., it is possible to supply the state of keyboard drive power supply always to security module 500.
It is provided with key assignments input unit 300.Key assignments input unit 300 as the term suggests for for user input key assignments,
Be configured to include contact switch form physical unit.
The key assignments input unit 300 of the present embodiment is configured to include the text as the set for the single key for being able to carry out input
Keypad portion 310, function key pan portion 320 and numeric keypad portion 330.Key assignments input unit 300 is equivalent to the basic structure of all keyboards
Element, therefore omit explanation related to this.
It is provided with the security work signal input part of the input for receiving security work signal from user.Security work
Signal input part is configured to include the security work signal input key for receiving the input of security work signal from user
321。
In the present embodiment, security work signal input part is integrated with key assignments input unit 300, the input of security work signal
The security work signal input key 321 in portion is each key for the key assignments input unit 300 for receiving the input of key assignments from user
In one.
According to embodiment, security work signal input part can be separately arranged with key assignments input unit 300, security work signal
Input key 321 can be the button being separately arranged in the upper surface of keyboard 10, rather than one in each key of key assignments input unit 300
It is a.
Keyboard 10 is provided with interface module 400, security module 500 and switch control module 600.These are in keyboard 10
PCB substrate (not shown) on by hardware realization, receive the supply of keyboard drive power supply and work.
Interface module 400 is will to be transferred to basic computer 30 from the received key assignments of user by key assignments input unit 300
Module.Since interface module 400 only serves the effect of transmitting key assignments, even if so the operating interruptions of interface module 400, use
Person still is able to input key assignments to security module 500 by key assignments input unit 300.
Security module 500 is will be by key assignments input unit 300 from the received key assignments of user and preassigned security code
It is compared, to judge whether key assignments and security code are consistent and generate security ring off signal module.
In order to execute above-mentioned function, security module 500 is configured to include: key assignments storage unit 510, and storage passes through key
It is worth input unit 300 from the received key assignments of user；Security code storage unit 520 stores preassigned security code；And key assignments ratio
Compared with portion 530, the security code of key assignments and security code storage unit 520 to key assignments storage unit 510 is compared.
Key assignments comparing section 530 carries out the key assignments being entered and the security code being pre-stored in security code storage unit 520
Compare, generates security ring off signal if two values are consistent.Security ring off signal is passed to switch control module 600.
If switch control module 600 is to receive the input of security work signal from user or in security module 500
Produce the module that security ring off signal then controls display driving power switch 100 and keyboard drive power switch 200.
More specifically, it if user presses the input of security work signal and inputs security work signal with key 321, opens
It closes control module 600 and controls display driving power switch 100 to cut off the display driving power of supply to display 20, and
Keyboard drive power supply is supplied to security mould from being supplied to interface module 400 and switch to by control keyboard driving power switch 200
Block 500.Supply of the keyboard drive power supply to interface module 400 is interrupted as a result,.
Also, if security ring off signal is produced in security module 500, switch control module 600 controls display and drives
Dynamic power switch 100 to supply display driving power to display 20 again, and control keyboard driving power switch 200 makes
It obtains and supplies keyboard drive power supply to interface module 400 again.
That is, if user presses security work signal input key 321, the work of display 20 and interface module 400
It is interrupted and realizes security, if user makes display by the input of key assignments input unit 300 and the consistent key assignments of security code
20 and interface module 400 rework and release security state.
Switch control module 600 is supplied to always keyboard drive power supply, so that switch control module 600 can be controlled at any time
Display driving power switch 100 and keyboard drive power switch 200 processed.
Moreover, security work signal input part is directly connected to switch control module 600, so as to pass through security work signal
Input is directly transferred to switch control module 600 with the security work signal that key 321 inputs.
In the present embodiment, security work signal input part is wholely set with key assignments input unit 300, and security work is believed
Number input key 321 is one in each key of key assignments input unit 300, and key assignments input unit 300 and switch control module 600 are direct
Connection.
Security module 500 is cut off and executes the security of display 20 in the display driving power of supply to display 20
In the state of work.That is, only pressing the input of security work signal in user cuts off supply showing to display 20 with key 321
Show device driving power and keyboard drive power supply is just being supplied under the security work state of security module 500 and is working.
In the state of normally executing the original function of display 20 and keyboard 10, due to passing through toggle switch, that is, key
Dish driving power switch 200 only supplies keyboard drive power supply to interface module 400, therefore security module 500 is without work.
Next, illustrating the work shape for the keyboard 10 for having security function involved in one embodiment of the invention in order
State.
Fig. 3 is the figure for showing the state for realizing display and keyboard security for the keyboard for having security function of Fig. 2, figure
4 be the figure for showing the state used for starting again at display and keyboard for the keyboard for having security function of Fig. 2.
The security work signal that display and keyboard security only pass through the key assignments input unit 300 that pressing keyboard 10 has is defeated
Enter with key 321 come easy implementation.
If user presses the input of security work signal and inputs security work signal with key 321, with key assignments input unit
The switch control module 600 of 300 connections carries out display driving power switch 100 and keyboard drive power switch 200 respectively
Control.
Display driving power switch 100 is switched to " off " state to cut off supply to display by switch control module 600
The display driving power of device 20, and keyboard drive power switch 100 is switched into security module 500 from interface module 400
And keyboard drive power supply is made to be fed into security module 500.
Since the picture of display 20 becomes closed state, so the picture leakage letter by display 20 can be prevented
Breath.Moreover, because the work of interface module 400 is interrupted, so will not be passed by the key assignments that key assignments input unit 300 inputs
To basic computer 30.That is, becoming the state that can not be carried on a attack using keyboard 10.
In order to which user reuses display 20 in the state of realizing display and keyboard security as described above
And keyboard 10, it needs to input and the preassigned consistent key assignments of security code by key assignments input unit 300.
Can be constituted by combining text, number, additional character etc. with the consistent key assignments of security code, can also only by
Number constitutes the easy input of number key pan portion 330 can utilize keyboard 10.
In the case where preassigned security code is " 1234 ", as long as user utilizes the number of key assignments input unit 300
Keypad portion 330 inputs " 1234 ".In order to provide the starting and ending of key assignments input, can be set to add before and after key assignments
The additional character for entering " * " etc is inputted.In in the way of the security of security code, the method for inputting key assignments can be deformed into
It is a variety of, therefore omit other examples.
The key assignments storage unit 510 of security module 500 is stored in by the key assignments that key assignments input unit 300 inputs.Security module
The security code that 500 key assignments comparing section 530 will store in the key assignments stored in key assignments storage unit 510 and security code storage unit 520
It is compared.If the key assignments of input is consistent with security code, security module 500 generates security ring off signal.
If producing security ring off signal in security module 500, switch control module 600 controls display driving power
Switch 100 and start again at the supply of display driving power.Also, control keyboard driving power switch 200 and will be positive
The keyboard drive power supply that security module 500 supplies, which switches to, is supplied to interface module 400.
If relieving security state as described above, display driving power is supplied to display 20, and to interface module
400 supply keyboard drive power supplys, so as to normal use display 20 and keyboard 10.
Explanation of the invention above is only exemplary, and those skilled in the art, which should be appreciated that, not to change
It is easily deformed in the case where technical concept or essential features of the invention as other specific modes.
It is therefore to be understood that embodiments described hereinbefore are all only exemplary not for restriction in all respects.
For example, each structure member illustrated in singular form can disperse to implement, the structural detail equally illustrated in a dispersed form can also
To implement in combination.
The scope of the present invention is indicated by the entitlement requests range being appended, rather than is indicated by above-mentioned detailed description, is answered
Understand that there are also the modes for having altered or deforming that its equivalents is derived to be included in from the meaning and range of entitlement requests
In the scope of the present invention.
Industrial availability
The present invention can make and the display of the computer used in industry spot reveals important information in order to prevent
With.
Claims (4)
1. a kind of keyboard for having security function, which is characterized in that have:
Source power supply interconnecting piece connect to receive the supply of display driving power with source power supply；
Display driving power supply unit is arranged to be used for supplying the display driving power to display；
Display driving power switch, setting the source power supply interconnecting piece and the display driving power supply unit it
Between, so that the display driving power is fed into the display or cuts off the display driving power to the display
Supply；
Key assignments input unit receives the input of key assignments from user；
Security work signal input part receives the input of security work signal from user；
Interface module receives the supply of keyboard drive power supply and works, and for that will be connect by the key assignments input unit
The key assignments of receipts is transferred to basic computer；
Keyboard drive power switch by the keyboard drive power supply to the interface module or cuts off keyboard drive electricity
Supply of the source to the interface module；
Security module is compared with preassigned security code to by the received key assignments of key assignments input unit, and judges
Whether the key assignments and the security code are consistent, Lai Shengcheng security ring off signal；And
Switch control module controls the display driving power switch when having input the security work signal to cut off
It supplies to the display driving power of the display, and controls the keyboard drive power switch to cut off supply extremely
The keyboard drive power supply of the interface module controls the display driving when generating the security ring off signal
Power switch makes the display driving power be supplied to the display, and controls the keyboard drive power switch
Make the keyboard drive power supply to the interface module.
2. the keyboard according to claim 1 for having security function, which is characterized in that
For the security module composition to include: key assignments storage unit, storage passes through the received key assignments of key assignments input unit；Security code
Storage unit stores the security code；And key assignments comparing section, key assignments and the security code storage unit to the key assignments storage unit
Security code be compared.
3. the keyboard according to claim 1 or 2 for having security function, which is characterized in that
The keyboard drive power switch is that the keyboard drive power supply is made to be selectively supplied to the interface module and institute
The toggle switch of any one in security module is stated, if receiving the input of the security work signal, the switch control
Molding block controls the keyboard drive power switch and switches to the keyboard drive power supply supplied to the interface module
It is supplied in the security module.
4. the keyboard according to claim 1 or 2 for having security function, which is characterized in that
The security work signal input part is configured to include security work signal input key, the security work signal input
It is one in each key for receiving the key assignments input unit of the input of key assignments with key.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020170004597U KR200485909Y1 (en) | 2017-08-31 | 2017-08-31 | Keyboard with security function |
| KR20-2017-0004597 | 2017-08-31 | ||
| PCT/KR2018/010018 WO2019017758A1 (en) | 2017-08-31 | 2018-08-30 | Keyboard having security function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109729732A true CN109729732A (en) | 2019-05-07 |
Family
ID=61649617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880002501.XA Pending CN109729732A (en) | 2017-08-31 | 2018-08-30 | The keyboard for having security function |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR200485909Y1 (en) |
| CN (1) | CN109729732A (en) |
| WO (1) | WO2019017758A1 (en) |
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| Title |
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| 吴晓朋: "计算机故障与维修之硬件故障", 《计算机光盘软件与应用》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019017758A1 (en) | 2019-01-24 |
| KR200485909Y1 (en) | 2018-03-09 |
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