CN101414336A - Computer information safety control system - Google Patents
Computer information safety control system Download PDFInfo
- Publication number
- CN101414336A CN101414336A CNA2007101574766A CN200710157476A CN101414336A CN 101414336 A CN101414336 A CN 101414336A CN A2007101574766 A CNA2007101574766 A CN A2007101574766A CN 200710157476 A CN200710157476 A CN 200710157476A CN 101414336 A CN101414336 A CN 101414336A
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- computer
- relay
- power supply
- network
- pilot relay
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Abstract
The invention belongs to the field of computer information security control, and more particularly relates to a computer information security control system which comprises a relay drive part, a computer network control relay, a computer power control relay, a computer power, a microprocessor and an interface conversion part; one circuit of the output port of the microprocessor is connected with a user computer by the interface conversion part; another circuit of the output port of the microprocessor is connected with the input port of the relay drive part; one circuit of the output port of the relay drive part is connected with the input port of the computer network control relay and another circuit of the output port of the relay drive part is connected with the input port of the computer power control relay; the computer power control relay is used for controlling the encryption on the secret HD of the computer; the computer network control relay is used for controlling the on-off of a computer network. The computer information security control system can effectively ensure the absolute security of the information of the user computer.
Description
Technical field
The invention belongs to computer information safe control field, relate in particular to a kind of computer information safety control system.
Background technology
Along with the fast development of computer technology and network, make computing machine become people's indispensable instrument in work, studying and living.Equally, development of computer network has also been brought the potential safety hazard of subscriber computer information, and the network information is stolen, information attack, virus disseminating etc. all exist all the time and take place.In order to solve the subscriber computer information security issue, people have taked many measures and method, comprise adopting the two hard disk work of hard disk isolation card control, two two hard disk work of different operating system control, manually controlling two hard disks technical measures and means such as work respectively.These methods all exist technical defective to some extent, and what have can not guarantee " network hacker " in the attack of network-side to user's hard disk information, and the needs that have are shut down computer and could be changed hard disk work.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art part and provides a kind of simple in structure, and " network hacker " can't change the duty of subscriber computer in network-side, can effectively guarantee the computer information safety control system that subscriber computer information is perfectly safe.
For achieving the above object, the present invention is achieved in that
Computer information safety control system, it comprises: relay drive part, computer network pilot relay, computer power supply pilot relay, computer power supply, microprocessor, interface conversion part;
Described output end of microprocessor mouth one tunnel joins through interface conversion part and subscriber computer, and the input port of its another road and relay drive part joins;
The output port one tunnel of described relay drive part joins with the input port of computer network pilot relay, and the input port of its another road and computer power supply pilot relay joins; Described computer power supply pilot relay is used for the encryption of the secret hard disk of control computer; Described computer network pilot relay is used for the break-make of control computer network.
As a kind of preferred version, computer network pilot relay of the present invention comprises two relays; Described computer power supply pilot relay comprises two relays.
As another kind of preferred version, interface conversion part of the present invention can adopt pci interface converter or RS-232 interface converter.
The present invention compared with prior art has following characteristics:
1, can guarantee being perfectly safe of subscriber computer information
(1) the present invention is divided into three kinds of mode of operations to subscriber computer, and first kind is " safe mode ", and second kind is " grid connect mode ", and the third is " a unloading pattern ".The mode of operation of subscriber computer is come control transformation by user oneself by software application, and " network hacker " can't change the mode of operation of subscriber computer on the net.The present invention can be under the state of subscriber computer networking; effectively the middle information of protection subscriber computer " hard disc of computer that has information safety protection " is perfectly safe; " network hacker " be technical measures and means whatsoever, all can't steal and attack the information in the subscriber computer " hard disc of computer that has information safety protection ".
(2) user can register portable hard drive, flash disk by software program, and portable hard drive that is not registered and flash disk can not use on subscriber computer.Thereby, protected being perfectly safe of subscriber computer information at the user side of subscriber computer.
2, control combination realizes optimization
The intelligent hard disc control card that the present invention adopts; solved the automatic power problem of the hard disc of computer that has information safety protection; solve the interface problem with computer PCI, RS-232 and network interface card RJ-45, also solved the application program cross complaint problem of intelligent hard disc control card and subscriber computer simultaneously.The present invention has selected optimum way on control structure, selected the annexation of simplifying most on combination of circuits, has finished the Based Intelligent Control between the each component of computer.
3, simple in structure, be easy to popularize
The intelligent hard disc control card of the present invention's design, its components and parts are the parts of easily purchasing on the market, and are therefore with low cost, are easy to produce, and are easy to popularize.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments.Protection scope of the present invention will not only be confined to the protection of following content.
Fig. 1 is an integrated circuit theory diagram of the present invention;
Fig. 2 is one embodiment of the present invention schematic block circuit diagram;
Fig. 3 is the another embodiment of the present invention schematic block circuit diagram;
Fig. 4 is one embodiment of the present invention physical circuit schematic diagram.
Embodiment
As shown in Figure 1, computer information safety control system comprises: relay drive part, computer network pilot relay, computer power supply pilot relay, computer power supply, microprocessor, interface conversion part; Described output end of microprocessor mouth one tunnel joins through interface conversion part and subscriber computer, and the input port of electrical equipment drive part is succeeded on another road of its output port; The output port one tunnel of described relay drive part joins with the input port of computer network pilot relay, and another road of its output port connects the input port of computer power supply pilot relay; Described computer power supply pilot relay is used for the encryption of the secret hard disk of control computer; Described computer network pilot relay is used for the break-make of control computer network.Shown in Fig. 2,3, computer network pilot relay of the present invention comprises two relays, i.e. relay 1 and relay 2; Computer power supply pilot relay of the present invention comprises two relays, i.e. relay 3 and relay 4.As shown in Figure 3, interface conversion part of the present invention can adopt the pci interface converter.As shown in Figure 2, interface conversion part of the present invention is for also adopting the RS-232 interface converter.
The present invention is when actual design, and system architecture comprises the computer-internal power supply, has the hard disc of computer of information safety protection, network interface card, common computer hard disk, computer network hub; The computer-internal power supply links to each other with the hard disc of computer that has information safety protection through intelligent hard disc control card power interface; network interface card links to each other with the computer network hub through intelligent hard disc control card RS-232 interface, and the common computer hard disk is connected with network interface card in computer-internal.
The plug of computer-internal power supply links to each other with intelligent hard disc control card interface; the plug that has the hard disc of computer of information safety protection links to each other with intelligent hard disc control card interface; the plug of computing machine RS-232 interface links to each other with intelligent hard disc control card interface; the plug of computer network hub is connected with intelligent hard disc control card interface, and the plug of network interface card links to each other with intelligent hard disc control card interface.
The present invention in use; open the subscriber computer power supply; subscriber computer is under original state; automatically enter " safe mode "; this moment, subscriber computer and computer network disconnected; the hard disc of computer that has information safety protection powers up, and the information of common computer hard disk writes and is employed the software cancellation.
In the time will being replaced by " grid connect mode "; the user controls by operating application program; at this moment; the power supply that has the hard disc of computer of information safety protection is disconnected; (program adopts common hard disk hot-plug technology not to be damaged with the protection hard disk); the information of common computer hard disk writes and is employed software and opens, and subscriber computer is connected with computer network.Because subscriber computer is under the state of networking; the power supply that has the hard disc of computer of information safety protection is disconnected; do not work so have the hard disc of computer of information safety protection, it is hereby ensured subscriber computer the networking state under do not stolen security information by " network hacker ".
In the time will being replaced by " unloading pattern "; the user controls by operating application program; this moment, subscriber computer and computer network disconnected; the hard disc of computer that has information safety protection powers up; the information of common computer hard disk writes and is employed software and opens, and has between the hard disc of computer of information safety protection and the common computer hard disk to carry out the information unloading.Because under " unloading pattern ", subscriber computer and computer network disconnect, under the state of networking, do not stolen security information by " network hacker " so can guarantee subscriber computer equally.
As shown in Figure 4, the relay drive part adopts DS2003CM (16), and microprocessor adopts AT89C2051.Interface conversion part adopts MAX232.
Control procedure of the present invention:
1, init state: relay 1,2 disconnects, and Registered Jack-45 is not communicated with, and subscriber computer and computer network disconnect; Relay 3,4 adhesives, the computer power supply socket is communicated with, and computer power supply powers up to the secret hard disk of subscriber computer, secret hard disk work.
2, microprocessor sends instruction, relay 1,2 adhesives, and Registered Jack-45 is communicated with, and subscriber computer is communicated with computer network, and relay 3,4 disconnects, and the computer power supply socket is not communicated with, the secret hard disk outage of subscriber computer, secret hard disk is not worked.
3, instruction is sent in little processing, and relay 1,2 disconnects, and Registered Jack-45 is not communicated with, and subscriber computer and computer network disconnect; Relay 3,4 adhesives, the computer power supply socket is communicated with, and computer power supply powers up to the secret hard disk of subscriber computer, secret hard disk work.
4, relay 1,2 and relay 3,4 oppose each other, and when relay 1,2 adhesives, relay 3,4 must disconnect.When relay 1,2 disconnects, relay 3,4 inevitable adhesives.Mainly be to guarantee that secret hard disk of subscriber computer and computer network oppose each other.That is to say that when the secret hard disk of subscriber computer was worked, subscriber computer is inevitable to be disconnected with network; When the secret hard disk of subscriber computer is not worked, the inevitable and network-in-dialing of subscriber computer.
Claims (3)
1, computer information safety control system is characterized in that, comprising: relay drive part, computer network pilot relay, computer power supply pilot relay, computer power supply, microprocessor, interface conversion part;
Described output end of microprocessor mouth one tunnel joins through interface conversion part and subscriber computer, and the input port of its another road and relay drive part joins;
The output port one tunnel of described relay drive part joins with the input port of computer network pilot relay, and the input port of its another road and computer power supply pilot relay joins; Described computer power supply pilot relay is used for the encryption of the secret hard disk of control computer; Described computer network pilot relay is used for the break-make of control computer network.
2, computer information safety control system according to claim 1 is characterized in that: described computer network pilot relay comprises two relays; Described computer power supply pilot relay comprises two relays.
3, computer information safety control system according to claim 1 and 2 is characterized in that: described interface conversion part is pci interface converter or RS-232 interface converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101574766A CN101414336A (en) | 2007-10-16 | 2007-10-16 | Computer information safety control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101574766A CN101414336A (en) | 2007-10-16 | 2007-10-16 | Computer information safety control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101414336A true CN101414336A (en) | 2009-04-22 |
Family
ID=40594868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101574766A Pending CN101414336A (en) | 2007-10-16 | 2007-10-16 | Computer information safety control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101414336A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901559A (en) * | 2010-07-30 | 2010-12-01 | 中国船舶重工集团公司第七○九研究所 | Safety control method for USB (Universal Serial Bus) interface |
| CN103336931A (en) * | 2013-06-28 | 2013-10-02 | 宁夏新航信息科技有限公司 | Computer-networking information-safety application system |
| CN104102888A (en) * | 2013-04-08 | 2014-10-15 | 宁夏新航信息科技有限公司 | Informatized secure application technology for computer |
| CN107403079A (en) * | 2017-07-27 | 2017-11-28 | 山东理工大学 | A kind of computer information safe system |
-
2007
- 2007-10-16 CN CNA2007101574766A patent/CN101414336A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901559A (en) * | 2010-07-30 | 2010-12-01 | 中国船舶重工集团公司第七○九研究所 | Safety control method for USB (Universal Serial Bus) interface |
| CN104102888A (en) * | 2013-04-08 | 2014-10-15 | 宁夏新航信息科技有限公司 | Informatized secure application technology for computer |
| CN103336931A (en) * | 2013-06-28 | 2013-10-02 | 宁夏新航信息科技有限公司 | Computer-networking information-safety application system |
| CN107403079A (en) * | 2017-07-27 | 2017-11-28 | 山东理工大学 | A kind of computer information safe system |
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Open date: 20090422 |