CN203054850U - Computer with outer external device controllable and enabled - Google Patents
Computer with outer external device controllable and enabled Download PDFInfo
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- CN203054850U CN203054850U CN 201320001501 CN201320001501U CN203054850U CN 203054850 U CN203054850 U CN 203054850U CN 201320001501 CN201320001501 CN 201320001501 CN 201320001501 U CN201320001501 U CN 201320001501U CN 203054850 U CN203054850 U CN 203054850U
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- peripheral hardware
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Abstract
The utility model relates to a computer with an outer external device controllable and enabled and belongs to the technical field of computer information safety. The computer comprises a computer main-board, a computer external device to be controlled, an external device connecting module, a port bus of the external device to be controlled, and an external device enabling and controlling module, wherein the computer external device to be controlled is placed on the main board, the port bus of the external device to be controlled is connected with the computer external device to be controlled and the external device connecting module, and the external device enabling and controlling module used for controlling connection or disconnection of the bus is connected into the middle of a port of the external device to be controlled. The computer with the outer external device controllable and enabled has the advantages that due to the fact that the external device enabling and controlling module is additionally arranged on the port bus of the external device to be controlled, the connection and the disconnection of the port of the external device can be controlled in an active mode, and accordingly users with different levels or different authorities can conduct control of permission and inhibition to the external device correspondingly. Therefore, the use safety of the computer is guaranteed, and at the same time, use of the computer is convenient to manage.
Description
Technical field
The utility model relates to a kind of peripheral hardware can control the computing machine that enables, and belongs to the computer information safety technique field, is particularly suitable for the strict occasion of computer information safe and uses.
Background technology
In the computer system architecture commonly used, all be wide-open (as Fig. 1) to the visit of any standard peripherals, the peripheral hardware acquiescence is all opened connection, as serial ports, and parallel port, keyboard, mouse, hard disk, USB interface, network interface and pci bus interface etc.The read-write mode of these peripheral hardwares and communications protocol all are disclosed, and under the default situations, it allows Any user directly to visit these external units.Because this open framework makes anyone can directly visit these peripheral hardwares, will there be some safety problems like this, as the user who is not allowed to can read the data of computer-internal and data etc. by the USB peripheral hardware, certainly exists very big computer security hidden danger like this.User for computing machine, can use, cannot use, have no idea to realize reasonably management control, just can't accomplish to use whole peripheral hardwares for the high user of some authority, the user low for some authority can use the part peripheral hardware, and some peripheral hardware is forbidden for them.
More existing solutions are by user right is set in operation system of computer, according to control and the operation of different authority realizations to the different levels of different peripheral, but the problem that this way exists is, first this be the way of pure software, be easy to be cracked, safe class is very low, the control of the second this so-called different levels also only is the setting of the authority in some configurations with operation, for example cannot dispose network interface, but still can use on original basis, can not accomplish fully that some peripheral hardware is to certain user's banning use of on the fundamental significance.
Summary of the invention
The purpose of this utility model is, provide a kind of peripheral hardware can control the computing machine that enables, can according to user's identity grade difference realize permission or quiescing to the various peripheral hardwares of computing machine, thereby guarantee the use safety of computing machine and management easily rationally.
For achieving the above object, the technical solution of the utility model is:
A kind of peripheral hardware can be controlled the computing machine that enables, comprise computer motherboard, be positioned at the computing machine peripheral hardware 1 to be controlled on the mainboard, peripheral hardware link block 2, connect the peripheral port bus 3 to be controlled of computing machine peripheral hardware 1 to be controlled and peripheral hardware link block 2, the peripheral hardware that control bus of access is switched on or switched off in the middle of peripheral port bus 3 to be controlled makes energy control module 4.
Below be the further technical scheme of above-mentioned the utility model:
Preferably, described peripheral hardware makes energy control module 4 comprise the control module 42 that a gating circuit 41 and this gating circuit of control are switched on or switched off; Described gating circuit 41 has three ports at least, and wherein two ports are serially connected in the middle of the peripheral port bus 3 to be controlled, and described gating circuit 41 also has an other port to be connected with control module 42.
Preferably, described gating circuit 41 is the switch triode circuit, and described control module 42 gauge tap transistor circuits connect or disconnect the peripheral port bus.
Preferably, described gating circuit 41 is two inputs, one output and door switch circuits, and described control module 42 drives an input end with door, is used for the connecting and disconnecting of control and door; Described another one input end and output terminal with door is serially connected in the peripheral port bus 3.
Preferably, described control module 42 is the credible platform module that drives interface with general I/O (GPIO), and described trusted module is used for driving the connecting and disconnecting of the described gating circuit of GPIO output control.
Preferably, described credible platform module inside is provided with safety chip, and described safety chip is used for identification computing machine user's identity and controls switching on and off of described peripheral hardware to be controlled 1.
Preferably, described peripheral hardware 1 to be controlled is serial equipment, and jaws equipment, keyboard, mouse, hard disk, USB interface equipment, network port device or pci bus interface equipment.
The beneficial effects of the utility model mainly contain:
Owing to having added peripheral hardware, the port bus at peripheral hardware to be controlled makes energy control module, make the connecting and disconnecting of peripheral port can obtain control initiatively, so just can accomplish user's permission of making corresponding peripheral hardware initiatively and the control of forbidding for different stage or different rights, thereby make the use of computing machine be guaranteed safely, the also use of supervisory computer easily simultaneously.
Description of drawings
Fig. 1 is the syndeton of peripheral hardware on the computer motherboard commonly used;
Fig. 2 is the syndeton of peripheral hardware on the described computer motherboard of the utility model;
Fig. 3 is the johning knot composition of switch triode circuit for the described gating circuit of the utility model;
Fig. 4 be the described gating circuit of the utility model for the johning knot composition of door switch circuit;
Fig. 5 is the johning knot composition of the described credible calculating platform module drive of the utility model GPIO control gate control circuit.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples the utility model is described in further detail.
Embodiment 1:
The utility model provides a kind of peripheral hardware can control the computing machine that enables, and its basic embodiment is:
As shown in Figure 2, a kind of peripheral hardware can be controlled the computing machine that enables, it comprises computer motherboard, be positioned at the computing machine peripheral hardware 1 to be controlled on the mainboard, peripheral hardware link block 2, connect the peripheral port bus 3 to be controlled of computing machine peripheral hardware 1 to be controlled and peripheral hardware link block 2, the peripheral hardware that control bus of access is switched on or switched off in the middle of peripheral port bus 3 to be controlled makes energy control module 4.
Embodiment 2:
As shown in Figure 2, different with above-described embodiment 1 is that described peripheral hardware makes energy control module 4 comprise the control module 42 that a gating circuit 41 and this gating circuit of control are switched on or switched off; Described gating circuit 41 has three ports at least, and wherein two ports are serially connected in the middle of the peripheral port bus 3 to be controlled, and described gating circuit 41 also has an other port to be connected with control module 42.
Embodiment 3:
As shown in Figure 3, different with above-described embodiment 2 is, described gating circuit 41 is the switch triode circuit, and described control module 42 gauge tap transistor circuits connect or disconnect the peripheral port bus; The part transistor circuit that only drawn in the accompanying drawing 3, other resistance capacitance does not draw.
Embodiment 4:
As shown in Figure 4, different with above-described embodiment 2 is, described gating circuit 41 is two inputs, one output and door switch circuits, and described control module 42 drives an input end with door, is used for the connecting and disconnecting of control and door; Described another one input end and output terminal with door is serially connected in the peripheral port bus 3.
Embodiment 5:
As shown in Figure 5, different with above-described embodiment 4 is, described control module 42 is the credible platform module that a band GPIO drives interface, and described trusted module is used for driving the connecting and disconnecting of the described gating circuit of GPIO output control.
Embodiment 6:
Different with above-described embodiment 5 is, described credible platform module inside is provided with safety chip, and described safety chip is used for identification computing machine user's identity and controls switching on and off of described peripheral hardware to be controlled 1.
Embodiment 7:
Different with above-described embodiment 6 is that described peripheral hardware 1 to be controlled is serial equipment.
Embodiment 8:
Different with above-described embodiment 7 is that described peripheral hardware 1 to be controlled is and jaws equipment.
Embodiment 9:
Different with above-described embodiment 8 is that described peripheral hardware 1 to be controlled is keyboard.
Embodiment 10:
Different with above-described embodiment 9 is that described peripheral hardware 1 to be controlled is mouse.
Embodiment 11:
Different with above-described embodiment 10 is that described peripheral hardware 1 to be controlled is hard disk.
Embodiment 12:
Different with above-described embodiment 11 is that described peripheral hardware 1 to be controlled is USB interface equipment.
Embodiment 13:
Different with above-described embodiment 12 is that described peripheral hardware 1 to be controlled is network port device.
Embodiment 14:
Different with above-described embodiment 13 is that described peripheral hardware 1 to be controlled is pci bus interface equipment.
The utility model claim protection domain is not limited to above-described embodiment.
Claims (7)
1. a peripheral hardware can be controlled the computing machine that enables, comprise computer motherboard, be positioned at the computing machine peripheral hardware to be controlled (1) on the mainboard, peripheral hardware link block (2), connect the peripheral port bus to be controlled (3) of computing machine peripheral hardware to be controlled (1) and peripheral hardware link block (2), it is characterized in that: the peripheral hardware that control bus of access is switched on or switched off in the middle of peripheral port bus to be controlled (3) makes energy control module (4).
2. computing machine as claimed in claim 1 is characterized in that: described peripheral hardware makes energy control module (4) comprise the control module (42) that a gating circuit (41) and this gating circuit of control are switched on or switched off; Described gating circuit (41) has three ports at least, and wherein two ports are serially connected in the middle of the peripheral port bus to be controlled (3), and described gating circuit (41) also has an other port to be connected with control module (42).
3. computing machine as claimed in claim 2, it is characterized in that: described gating circuit (41) is the switch triode circuit, and described control module (42) gauge tap transistor circuit connects or disconnects the peripheral port bus.
4. computing machine as claimed in claim 2 is characterized in that: described gating circuit (41) is two inputs, one output and door switch circuits, and described control module (42) drives an input end with door, is used for the connecting and disconnecting of control and door; Described another one input end and output terminal with door is serially connected in the peripheral port bus (3).
5. as the described computing machine of one of claim 2 to 4, it is characterized in that: described control module (42) is the credible platform module that a band GPIO drives interface, and described trusted module is used for driving the connecting and disconnecting of the described gating circuit of GPIO output control.
6. computing machine as claimed in claim 5, it is characterized in that: described credible platform module inside is provided with safety chip, and described safety chip is used for identification computing machine user's identity and controls switching on and off of described peripheral hardware to be controlled (1).
7. computing machine as claimed in claim 6 is characterized in that, described peripheral hardware to be controlled (1) is serial equipment, and jaws equipment, keyboard, mouse, hard disk, USB interface equipment, network port device or pci bus interface equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001501 CN203054850U (en) | 2013-01-04 | 2013-01-04 | Computer with outer external device controllable and enabled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001501 CN203054850U (en) | 2013-01-04 | 2013-01-04 | Computer with outer external device controllable and enabled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203054850U true CN203054850U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320001501 Expired - Fee Related CN203054850U (en) | 2013-01-04 | 2013-01-04 | Computer with outer external device controllable and enabled |
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| Country | Link |
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| CN (1) | CN203054850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103049715A (en) * | 2013-01-04 | 2013-04-17 | 上海瑞达安全集成电路有限公司 | Computer capable of controlling enabling of peripherals |
-
2013
- 2013-01-04 CN CN 201320001501 patent/CN203054850U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103049715A (en) * | 2013-01-04 | 2013-04-17 | 上海瑞达安全集成电路有限公司 | Computer capable of controlling enabling of peripherals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20190104 |