CN1352425A - Method for strengthening data safety of computer system - Google Patents
Method for strengthening data safety of computer system Download PDFInfo
- Publication number
- CN1352425A CN1352425A CN 01135093 CN01135093A CN1352425A CN 1352425 A CN1352425 A CN 1352425A CN 01135093 CN01135093 CN 01135093 CN 01135093 A CN01135093 A CN 01135093A CN 1352425 A CN1352425 A CN 1352425A
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- Prior art keywords
- data
- hard disk
- write
- transition card
- computer system
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000005728 strengthening Methods 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 230000002708 enhancing effect Effects 0.000 claims abstract 7
- 230000007704 transition Effects 0.000 claims description 43
- 238000005192 partition Methods 0.000 claims description 10
- 241000700605 Viruses Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The invention discloses a method for enhancing the safety of data in computer system. The method includes a conversion card installed at the data entrance of a hard disc to prevent from writing operation to hard disc. The input port of the card provides with normal address line and data line and the output port provides with disturbed address line and data line. When the system carrier on writing operation to the hard disc, the conversion card captures the writing data and the driver of the conversion card determines whether the data is a legal data or not. If it is legal data, then the normal conversion of address line or data line carrier, on; otherwise the writing operation is prohibited. The scheme is suitable for protecting IDE/ATA type of hard disc and compatible hard disc. The invention can effectively prevent from writing into hard disc directly.
Description
Technical field:
The present invention relates to a kind of method that strengthens data safety of computer system.
Background technology:
In the use of computing machine, be an important problems to the data protection in the hard disk.Because hard disk is as " data storage warehouse " in the computing machine, all data all are stored in wherein.To the mistake write operation of computing machine, may influence the safety of data and the integrality that are stored in wherein.Its normal use be destroyed or be disturbed to nearly all in addition virus also all will to the data that are stored in wherein; simultaneous computer virus also can be attempted and is stored in the hard disk; therefore; how to protect the normal data in the hard disk not to be destroyed, the resident hard disk of refusal invalid data is the major issue during a computing machine uses.Yet; existing guard method to hard disc data; normally when going wrong, hard disk just takes measures to remedy; what measure what no matter take in the reality is, all be corrupted data formerly, remedy recovery after; may produce the irreclaimable problem of impaired data like this; therefore, improve the security of hard disc data, preventing trouble before it happens is only the measure that the most desirable protection hard disc data is not destroyed.
Summary of the invention:
The object of the present invention is to provide a kind of method that strengthens data safety of computer system.
For achieving the above object, a kind of method that strengthens data safety of computer system provided by the invention comprises:
(1) be provided with to stop to hard disk in the data porch of hard disk and carry out the transition card that data write, this jig has input and output port, and wherein input port has normal address wire and data line, and output port has the address wire and the normal data line of upset;
(2) when system when hard disk carries out write operation, the driver of described transition card judges writing data, if legal data then transition card carry out normal address wire conversion, make data see through transition card and write hard disk, otherwise do not carry out write operation.
Described hard disk is IDE/ATA (integrated drive electronics/ANSI) hard disk and compatible hard disk thereof.
Said method also comprises: with hard disk partition is protected location, redirection area and non-protection area, when data are the data in write protection district, these data is write redirection area.
Purpose of the present invention also can realize like this: a kind of method that strengthens data safety of computer system comprises:
(1) be provided with to stop to hard disk in the data porch of hard disk and carry out the transition card that data write, this jig has input and output port, and wherein input port has normal address wire and data line, and output port has the data line and the normal address wire of upset;
(2) when system when hard disk carries out write operation, the driver of described transition card judges writing data, if legal data then transition card carry out normal data line transitions, make data see through transition card and write hard disk, otherwise do not carry out write operation.
In this programme, described hard disk is IDE/ATA hard disk and compatible hard disk thereof.
Said method also comprises: with hard disk partition is protected location, redirection area and non-protection area, when data are the data in write protection district, these data is write redirection area.
Purpose of the present invention can also realize like this: a kind of method that strengthens data safety of computer system comprises:
(1) be provided with to stop to hard disk in the data porch of hard disk and carry out the transition card that data write, this jig has input and output port, and wherein input port has normal address wire and data line, and output port has the data line of upset and the address wire of upset;
(2) when system when hard disk carries out write operation, the driver of described transition card is judged writing data, if legal data then transition card carry out the conversion of normal data line and address wire, make data see through transition card and write hard disk, otherwise do not carry out write operation.
The described hard disk of this programme is IDE/ATA hard disk and compatible hard disk thereof.
Said method also comprises: with hard disk partition is protected location, redirection area and non-protection area, when data are the data in write protection district, these data is write redirection area.
Because the present invention is provided with to stop to hard disk in the data porch of hard disk and carries out the transition card that data write, the output port of this card has the data line or the address wire of upset, system can not directly write data to hard disk like this, realize and can only under the control of the driver of transition card, see through transition card, therefore, the driver of transition card can carry out validity decision to the data that write, write hard disk after having only legal data just may stick into normal data line of row or address wire conversion by this, therefore the present invention can effectively avoid the writing direct of hard disk, thus the data of protection hard disk; For making the present invention have better effect; the present invention is protected location and redirection area with hard disk partition, when data are the data in write protection district, these data is write redirection area; avoid data by the protected location of writing direct like this, thus the security that more can improve system data.
Description of drawings:
Fig. 1 is the process flow diagram of the embodiment of the invention.
Embodiment:
Below in conjunction with accompanying drawing the present invention is further specified.
Fig. 1 is the process flow diagram of the embodiment of the invention.Implementing the present invention according to Fig. 1, is protected location and redirection area and non-protection area in step 1 with hard disk partition, when being the data in write protection district with convenient data, these data is write redirection area, prevents that with the method the protected location from being write direct; Usually the protected location is system data area and other important data area, for example executable code zone.Step 2, be provided with to stop to hard disk in the data porch of hard disk and carry out the transition card that data write, this jig has input and output port, and wherein input port has normal address wire and data line, and output port has the address wire and the normal data line of upset.Hard disk described here is IDE/ATA hard disk and compatible hard disk thereof.Because the port address of this hard disk identifies with address wire or data line, for hard disk with address wire sign port, if address wire is disturbed, for example, address wire A0, A1, A2 and address wire A7, A6, A5 are exchanged, so, because the variation of hard disk port address, just can not be successful to the data writing operation of hard disk.Therefore; transition card is set both can have guaranteed to write the data of hard disk by these card intercepting and capturing; thereby can carry out validity decision to the data of intercepting and capturing by the driver of this card; to guarantee that invalid data can not be written into the protected location, the illegal softwares such as virus that can also prevent " brilliant " are walked around transition card and are directly carried out write operation to hard disk.Therefore, when system when hard disk carries out write operation, judge writing data by the driver of described transition card in step 3, if legal data are then carried out the conversion of normal address wire, data are write hard disk, otherwise do not carry out write operation; This step also comprises an important judgement; judge whether write protection district of the data write exactly; if not the write protection district, can be by transition card with these data hard disk that writes direct, if instead be that the write protection district then will write redirection area with these data in step 5.The driver of above-mentioned transition card can be arranged in the transition card, also can be arranged in the system, and therefore, described transition card can be a smart card, also can be non-smart card.
For hard disk with data line sign port, the present invention also has similar solution, be exactly in above-mentioned steps 2, be provided with to stop to hard disk in the data porch of hard disk and carry out the transition card that data write, this jig has input and output port, wherein input port has normal address wire and data line, output port has the data line and the normal address wire of upset, like this, when system when hard disk carries out write operation, the driver of described transition card is judged writing data, if legal data are then carried out normal data line transitions, data are write hard disk, otherwise do not carry out write operation.
Hard disk described in this scheme also is IDE/ATA and compatible hard disk thereof.The described method of this scheme also comprises with hard disk partition being the step of protected location and redirection area in addition, when data are the data in write protection district, these data is write redirection area.
The present invention also has similar the 3rd sets of plan, this scheme also provides to be provided with to stop to hard disk in the data porch of hard disk carries out the transition card that data write, this jig has input and output port, wherein input port has normal address wire and data line, output port has the data line and the address wire of upset, if adopt this scheme, when system when hard disk carries out write operation, the driver of described transition card is judged writing data, if legal data are then carried out the conversion of normal data line and address wire, data are write hard disk, otherwise do not carry out write operation.
Certainly the described hard disk of this programme also is IDE/ATA hard disk and compatible hard disk thereof.Simultaneously in the described method of this programme, also can comprise being the step of protected location and redirection area, when data are the data in write protection district, these data be write redirection area hard disk partition.
Claims (9)
1, a kind of method that strengthens data safety of computer system comprises:
(1) be provided with to stop to hard disk in the data porch of hard disk and carry out the transition card that data write, this jig has input and output port, and wherein input port has normal address wire and data line, and output port has the address wire and the normal data line of upset;
(2) when system when hard disk carries out write operation, the driver of described transition card judges writing data, if legal data then transition card carry out normal address wire conversion, make data see through transition card and write hard disk, otherwise do not carry out write operation.
2, the method for enhancing data safety of computer system according to claim 1 is characterized in that: described hard disk is IDE/ATA (integrated drive electronics/ANSI) hard disk and compatible hard disk thereof.
3, the method for enhancing data safety of computer system according to claim 1 and 2; it is characterized in that this method also comprises: with hard disk partition is protected location, redirection area and non-protection area; when data are the data in write protection district, these data are write redirection area.
4, a kind of method that strengthens data safety of computer system comprises:
(1) be provided with to stop to hard disk in the data porch of hard disk and carry out the transition card that data write, this jig has input and output port, and wherein input port has normal address wire and data line, and output port has the data line and the normal address wire of upset;
(2) when system when hard disk carries out write operation, the driver of described transition card judges writing data, if legal data then transition card carry out normal data line transitions, make data see through transition card and write hard disk, otherwise do not carry out write operation.
5, the method for enhancing data safety of computer system according to claim 4 is characterized in that: described hard disk is IDE/ATA hard disk and compatible hard disk thereof.
6, according to the method for claim 4 or 5 described enhancing data safety of computer system; it is characterized in that this method also comprises: with hard disk partition is protected location, redirection area and non-protection area; when data are the data in write protection district, these data are write redirection area.
7, a kind of method that strengthens data safety of computer system comprises:
(1) be provided with to stop to hard disk in the data porch of hard disk and carry out the transition card that data write, this jig has input and output port, and wherein input port has normal address wire and data line, and output port has the data line of upset and the address wire of upset;
(2) when system when hard disk carries out write operation, the driver of described transition card is judged writing data, if legal data then transition card carry out the conversion of normal data line and address wire, make data see through transition card and write hard disk, otherwise do not carry out write operation.
8, the method for enhancing data safety of computer system according to claim 7 is characterized in that: described hard disk is IDE/ATA hard disk and compatible hard disk thereof.
9, according to the method for claim 7 or 8 described enhancing data safety of computer system; it is characterized in that this method also comprises: with hard disk partition is protected location, redirection area and non-protection area; when data are the data in write protection district, these data are write redirection area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01135093 CN1352425A (en) | 2001-11-27 | 2001-11-27 | Method for strengthening data safety of computer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01135093 CN1352425A (en) | 2001-11-27 | 2001-11-27 | Method for strengthening data safety of computer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1352425A true CN1352425A (en) | 2002-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01135093 Pending CN1352425A (en) | 2001-11-27 | 2001-11-27 | Method for strengthening data safety of computer system |
Country Status (1)
| Country | Link |
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| CN (1) | CN1352425A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346629C (en) * | 2003-08-12 | 2007-10-31 | 株式会社理光 | Information processing device, information processing method, information processing program, and recording medium |
| CN100397369C (en) * | 2004-06-04 | 2008-06-25 | 莱纳索夫特技术公司 | Apparatus and method for protecting system data on computer hard disk |
| CN110955885A (en) * | 2019-11-28 | 2020-04-03 | 亚信科技（成都）有限公司 | Data writing method and device |
-
2001
- 2001-11-27 CN CN 01135093 patent/CN1352425A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346629C (en) * | 2003-08-12 | 2007-10-31 | 株式会社理光 | Information processing device, information processing method, information processing program, and recording medium |
| CN100397369C (en) * | 2004-06-04 | 2008-06-25 | 莱纳索夫特技术公司 | Apparatus and method for protecting system data on computer hard disk |
| CN110955885A (en) * | 2019-11-28 | 2020-04-03 | 亚信科技（成都）有限公司 | Data writing method and device |
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