CN101276386A - Computer locking and fastening system and method - Google Patents
Computer locking and fastening system and method Download PDFInfo
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- CN101276386A CN101276386A CN 200710200336 CN200710200336A CN101276386A CN 101276386 A CN101276386 A CN 101276386A CN 200710200336 CN200710200336 CN 200710200336 CN 200710200336 A CN200710200336 A CN 200710200336A CN 101276386 A CN101276386 A CN 101276386A
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- order code
- locking
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Abstract
A computer lock fixing system comprises a keyboard, a computer case. The keyboard comprises a keyboard module, a keyboard instruction transmitting module, a password module and a shifting switch. The keyboard module is selectively connected to the keyboard instruction transmitting module and the password module via the shifting switch transporting the instruction code generated by the keyboard module to the password module and transmits the code after encoding; the computer case comprises a password receiving module, a decoding module, a control module and a power source switch; the password receiving module transports the received and encoded instruction code after being decoded by the decoding module; the control module checks the received instruction code and controls the power source switch. The invention also provides a computer lock fixing method using the computer lock fixing system to make the computer not to be started without permission, which assures the security of the computer information.
Description
Technical field
The present invention relates to a kind of computer locking and fastening system and method.
Background technology
Along with social economy and science and technology development; the extensive popularization and the application of computer technology; various information such as literal, image and data have extensively adopted computer to handle and store; individual privacies such as user's individual mail, photo and network ID also all are stored in the computer; how to protect these canned datas not to be illegally accessed, to usurp and destroy; guarantee computer data safety, become current I T industry and attracted people's attention most and problem anxious to be solved.
Usually the time slot scrambling that adopts is to be provided with one to open password in computer, and promptly (BasicInput Output System is provided with one group of startup password in BIOS), makes that must import correct password just can enter boot program in Basic Input or Output System (BIOS).Yet the degree of protection of this method is limited, can adopt and open cabinet, and (Complementary Metal Oxide Semiconductor CMOS) carries out discharge process, and the content that empties among the CMOS starts computer to cmos memory.
Also having a kind of time slot scrambling is that the hardware lock device is installed on computer housing, for example with the computer housing locking, guarantees not have corresponding key just can't open computer housing.Though this way can guarantee computer and can not suffer unauthorized use, but the key of hardware lock must carry, very inconvenient.
Summary of the invention
In view of above content, be necessary to provide a kind of computer locking and fastening system and method, by sending the power switch of an instruction control computer housing, come the keying of controlling computer chassis power supply switch.
A kind of computer locking and fastening system, comprise a keyboard and a computer housing, described keyboard comprises a Keysheet module, a pair of computer system is carried out the keyboard instruction sending module of data transmission, one crypto module, one switches a switch and a working power, described Keysheet module optionally is connected with described keyboard instruction sending module and crypto module by described change-over switch, when described Keysheet module is connected with described crypto module, the order code that described Keysheet module produces is transferred to the described crypto module back that is encoded by described change-over switch and sends, described working power provides operating voltage for each module in the described keyboard, described computer housing comprises a password receiver module, one decoding module, the power switch of one control module and a control chassis power supply, the order code that described password receiver module receives behind the described coding also is transferred to described control module after the described decoding module decoding of process, described control module is verified the order code that receives, and is controlled described power switch according to the checking result.
A kind of computer locking and fastening method comprises:
One crypto module is set is connected with a Keysheet module, described Keysheet module produces an order code and sends by described crypto module coding back;
One password receiver module is set, receives the order code behind the coding that described crypto module sends;
One decoding module is set, the order code behind the coding of described password receiver module reception is deciphered; With
One control module is set, accepts and verify order code after the described decoding, when the order code after the described decoding is identical with a default locking password, control the keying of a power switch.
Above-mentioned computer locking and fastening system and method send unlocking cipher by keyboard and come power switch on the controlling computer cabinet, and computer can't be opened without approval the time, guarantee computing information safety.
Description of drawings
Below in conjunction with accompanying drawing and better embodiment the present invention is described in further detail:
Fig. 1 is the block diagram of computer locking and fastening system better embodiment of the present invention.
Fig. 2 is the process flow diagram of computer locking and fastening method better embodiment of the present invention.
Embodiment
With reference to figure 1, the better embodiment of computer locking and fastening system of the present invention comprises a keyboard 12 and a computer housing 14, described keyboard 12 comprises that a Keysheet module 122, a pair of computer system are carried out the keyboard instruction sending module 124 of data transmission, a crypto module 126 and switches switch 127, described crypto module 126 comprises a coding module 128 and a password sending module 129, and described computer housing 14 comprises a password receiver module 142, a decoding module 143, a control module 144, a lockset 146 and a power switch 148.
Described Keysheet module 122 is connected with described keyboard instruction sending module 124 and crypto module 126 by described change-over switch 127 selectivity, when described Keysheet module 122 is connected with described crypto module 126, the order code that described Keysheet module 122 produces is transferred to described crypto module 126 by described change-over switch 127, the order code coding back that 128 pairs of the coding modules of described crypto module 126 receive sends by described password sending module 129, order code behind the coding that the password receiver module 142 of described computer housing 14 will receive is transferred to described decoding module 143, after deciphering, order code behind 143 pairs of codings of described decoding module is transferred to described control module 144,144 pairs of order codes that receive of described control module respond, and control described lockset 146 and power switch 148.
Described keyboard 12 also comprises a working power, for each module in the keyboard 12 provides operating voltage.
Described coding module 128 can be selected a YYH26 type encoder chip for use, described password sending module 129 can be selected a T630 type long wave digital signal transmitter for use, described password receiver module 142 can be selected a T631 type long wave digit signal receiver for use, described decoding module 143 can be selected a YYH27 type decoder chip for use, and described control module 144 can be selected a C51 type single-chip microcomputer for use.
The 148 common end ground connection of power switch described in the existing computer housing, the other end is connected with a mainboard to obtain a mainboard starting-up signal, described mainboard starting-up signal low level is effective, so after power switch 148 is pressed, described starting-up signal is grounded and drags down, one chassis power supply promptly is unlocked, and in this better embodiment, the earth terminal of described power switch 148 is connected with described control module 144.
During booting computer, regulating described change-over switch 127 makes described Keysheet module 122 be connected with described crypto module 126, export an order code to described coding module 128 by described Keysheet module 122, described coding module 128 sends through described password sending module 129 after the order code that receives is encoded, order code behind the described coding that described password receiver module 142 will receive is transferred to described decoding module 143, after deciphering, order code behind 143 pairs of described codings of described decoding module is transferred to described control module 144, described control module 144 is compared an order code and the locking password of presetting received, then control described lockset 146 and open if comparison result is identical, and to power switch 148 output low levels, can start computer by power switch 148, regulate described change-over switch 127 subsequently Keysheet module 122 is connected with described keyboard instruction sending module 124, can make described keyboard 12 recover the normal keyboard function; If comparison result difference, then described control module 144 keep described lockset 146 lockings and power switch 148 lockings.
After computer is closed, same, regulating described change-over switch 127 makes described Keysheet module 122 be connected with described crypto module 126, export an order code to described control module 144 by described Keysheet module 122, order code that described control module 144 will be received and described locking password are compared, then control described lockset 146 closures if comparison result is identical, locking computer housing 14, and to power switch 148 output high level with described power switch 148 lockings, make can't start computer by power switch 148.
Described locking password is to be input in advance in the described control module 144 by described keyboard 12, and is stored by described control module 144, and the user can make amendment to the locking password at any time.
Above-mentioned computer locking and fastening system lockable computer housing 14 and power switch 148 make that not having proper password just can't start computer also can't open cabinet, guarantee computing information safety.
With reference to figure 2, be the process flow diagram of computer locking and fastening method better embodiment of the present invention, described computer locking and fastening method may further comprise the steps: described Keysheet module 122 produces an order code and sends by described crypto module 126 coding backs; Order code behind the coding that the described crypto module 126 of described password receiver module 142 receptions sends; Order code behind the coding that 143 pairs of described password receiver modules 142 of described decoding module receive is deciphered; Described control module 144 receives described order code, and the order code and the code presupposition that receive are compared identical described lockset 146 and the power switch 148 change states then controlled of comparison result.
The command signal that above-mentioned computer locking and fastening method utilizes keyboard 12 to send, make the described lockset 146 locking computer housings 14 of described control module 144 controls and lock power switch 148, make that not having proper password just can't start computer also can't open cabinet, guarantee computing information safety.
Claims (9)
1. computer locking and fastening system, comprise a keyboard and a computer housing, described keyboard comprises that a Keysheet module and a pair of computer system carry out the keyboard instruction sending module of data transmission, it is characterized in that: described keyboard also comprises a crypto module, one switches a switch and a working power, described Keysheet module optionally is connected with described keyboard instruction sending module and crypto module by described change-over switch, when described Keysheet module is connected with described crypto module, the order code that described Keysheet module produces is transferred to the described crypto module back that is encoded by described change-over switch and sends, described working power provides operating voltage for each module in the described keyboard, described computer housing comprises a password receiver module, one decoding module, the power switch of one control module and a control chassis power supply, the order code that described password receiver module receives behind the described coding also is transferred to described control module after the described decoding module decoding of process, described control module is verified the order code that receives, and is controlled described power switch according to the checking result.
2. computer locking and fastening system as claimed in claim 1 is characterized in that: described crypto module comprises a coding module and a password sending module, and described coding module is encoded the order code that receives, and sends by described password sending module then.
3. computer locking and fastening system as claimed in claim 2 is characterized in that: described coding module is an encoder chip, and described password sending module is a long wave digital signal transmitter.
4. computer locking and fastening system as claimed in claim 1 is characterized in that: described password receiver module is a long wave digit signal receiver, and described decoding module is a decoder chip.
5. computer locking and fastening system as claimed in claim 1 is characterized in that: described computer housing also comprises a lockset, and described control module is verified the order code that receives, and controlled described lockset simultaneously according to the checking result.
6. computer locking and fastening system as claimed in claim 5 is characterized in that: described control module is a single-chip microcomputer, can produce control signal according to the order code that receives, and controls described lockset and power switch and opens or locking.
7. computer locking and fastening system as claimed in claim 6 is characterized in that: described control module is compared identical unlatching or the locking states that then changes described lockset and power switch with an order code and the locking password of presetting received.
8. computer locking and fastening method comprises:
One crypto module is set is connected with a Keysheet module, described Keysheet module produces an order code and sends by described crypto module coding back;
One password receiver module is set, receives the order code behind the coding that described crypto module sends;
One decoding module is set, the order code behind the coding of described password receiver module reception is deciphered; With
One control module is set, accepts and verify order code after the described decoding, when the order code after the described decoding is identical with a default locking password, control the keying of a power switch.
9. computer locking and fastening method as claimed in claim 8 is characterized in that: order code after the described decoding is accepted and verified to described control module, and the order code after described decoding locks the keying that password is controlled a lockset when identical simultaneously with default.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710200336 CN101276386A (en) | 2007-03-27 | 2007-03-27 | Computer locking and fastening system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710200336 CN101276386A (en) | 2007-03-27 | 2007-03-27 | Computer locking and fastening system and method |
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| Publication Number | Publication Date |
|---|---|
| CN101276386A true CN101276386A (en) | 2008-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710200336 Pending CN101276386A (en) | 2007-03-27 | 2007-03-27 | Computer locking and fastening system and method |
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| CN (1) | CN101276386A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102467774A (en) * | 2010-11-17 | 2012-05-23 | 戴胜祝 | Cryptosystem with anti-recording function |
| CN102521533A (en) * | 2011-12-01 | 2012-06-27 | 中国空间技术研究院 | Method for verifying remote control command code version |
| CN102609047A (en) * | 2012-03-02 | 2012-07-25 | 王军 | Terminal demonstrating platform |
-
2007
- 2007-03-27 CN CN 200710200336 patent/CN101276386A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102467774A (en) * | 2010-11-17 | 2012-05-23 | 戴胜祝 | Cryptosystem with anti-recording function |
| CN102521533A (en) * | 2011-12-01 | 2012-06-27 | 中国空间技术研究院 | Method for verifying remote control command code version |
| CN102521533B (en) * | 2011-12-01 | 2014-11-19 | 中国空间技术研究院 | Method for verifying remote control command code version |
| CN102609047A (en) * | 2012-03-02 | 2012-07-25 | 王军 | Terminal demonstrating platform |
| CN102609047B (en) * | 2012-03-02 | 2014-09-17 | 王军 | Terminal demonstrating platform |
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Open date: 20081001 |