CN108416217A - A kind of SCM Based computer motherboard BIOS authentication system and method - Google Patents
A kind of SCM Based computer motherboard BIOS authentication system and method Download PDFInfo
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- CN108416217A CN108416217A CN201810179819.7A CN201810179819A CN108416217A CN 108416217 A CN108416217 A CN 108416217A CN 201810179819 A CN201810179819 A CN 201810179819A CN 108416217 A CN108416217 A CN 108416217A
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- Prior art keywords
- data
- microcontroller
- bios
- bus switch
- log
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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
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
- G06F21/575—Secure boot
Abstract
The present invention relates to a kind of SCM Based computer motherboard BIOS authentication system and methods, it is characterized in that, it includes microcontroller, the microcontroller is connected to bus switch by data transmission bus, microcontroller is also associated with alarm, bus switch is connected to BIOS chips and cpu chip by data transmission bus, is also connected by control signal wire between microcontroller and bus switch；Data read module and data correction verification module are provided in the microcontroller；The data read module reads the log-on data in BIOS chips in microcontroller by bus switch after the power is turned on；Check value after the data check module reads data read module in log-on data carries out verification comparison.
Description
Technical field
The invention belongs to BIOS chip data calibration technologies fields, and in particular to a kind of SCM Based computer motherboard
BIOS authentication system and method.
Background technology
With the continuous development of information technology, information security issue also becomes increasingly conspicuous, and how to ensure the safety of information system
Have become and compares focus of attention in society.
In the startup and initialization procedure of computer motherboard, BIOS is the sole mode that control mainboard starts and works,
Wherein store and define the initialization data of a large amount of mainboards；Even, also preserve user's in certain security fields, BIOS
Security information etc..Therefore, for the conservation of nature of BIOS information, mainboard normal work and number of users are protected in right becoming
According to the most important thing of safety.
However in the prior art, before mainboard startup, BIOS data are not verified, there are certain safety is hidden
Suffer from；Once BIOS data are tampered, it is most likely that lead to system in case of system halt, What is more to cause confidential data to leak.This is existing
There is the shortcoming of technology.
Therefore, in view of the above-mentioned drawbacks in the prior art, provide design a kind of SCM Based computer motherboard BIOS
Verify system and method；To solve the problems of the prior art, it is necessary.
Invention content
It is an object of the present invention to which in view of the above-mentioned drawbacks of the prior art, offer design is a kind of SCM Based
Computer motherboard BIOS authentication system and method, to solve the above technical problems.
To achieve the above object, the present invention provides following technical scheme：
A kind of SCM Based computer motherboard BIOS authentication system, which is characterized in that it includes microcontroller, the microcontroller
It is connected to bus switch by data transmission bus, microcontroller is also associated with alarm, and bus switch passes through data transmission bus
It is connected to BIOS chips and cpu chip, is also connected by control signal wire between microcontroller and bus switch；
Data read module and data correction verification module are provided in the microcontroller；
The data read module reads the log-on data in BIOS chips in microcontroller by bus switch after the power is turned on；
Check value after the data check module reads data read module in log-on data carries out verification comparison.
Preferably, the alarm is buzzer.
A kind of SCM Based computer motherboard BIOS authentication method, which is characterized in that include the following steps：
S1：After the power is turned on, the data read module in microcontroller reads the startup number in BIOS chips by bus switch to microcontroller
According to；
S2：Data check module in microcontroller verifies the log-on data read in step S1, if verifying successfully
Step S3 is gone to, step S4 is otherwise gone to；
S3：Cpu chip reads the log-on data in BIOS chips by bus switch, starts CPU work；And exit verification；
S4：Alarm.
Preferably, in the step S2, the check value of log-on data is solidificated in data check module in BIOS chips,
The check value that generates after the log-on data operation in BIOS chips is read, if with the check value that is solidificated in data check module
It is identical, then it is assumed that verify successfully, otherwise it is assumed that verification failure.
The beneficial effects of the present invention are realize the verification of the BIOS log-on datas before cpu chip starts, improve mainboard fortune
Capable safety and confidentiality.In addition, design principle of the present invention is reliable, there is very extensive application prospect.
It can be seen that compared with prior art, the present invention with substantive distinguishing features outstanding and significantly improving, implementation
Advantageous effect be also obvious.
Description of the drawings
Fig. 1 is a kind of structure principle chart of SCM Based computer motherboard BIOS authentication system provided by the invention.
Wherein, 1- microcontrollers, 2- data transmission bus, 3- bus switch, 4- alarms, 5-BIOS chips, 6-CPU cores
Piece, 7- control signal wires.
Specific implementation mode
The present invention will be described in detail below in conjunction with the accompanying drawings and by specific embodiment, and following embodiment is to the present invention
Explanation, and the invention is not limited in following implementation.
As shown in Figure 1, a kind of SCM Based computer motherboard BIOS authentication system provided by the invention, it includes single
Piece machine 1, the microcontroller 1 are connected to bus switch 3 by data transmission bus 2, and microcontroller 1 is also associated with alarm 4, bus
Switch 3 is connected to BIOS chips 5 and cpu chip 6 by data transmission bus 2, also passes through between microcontroller 1 and bus switch 3
Control signal wire 7 connects；
Data read module and data correction verification module are provided in the microcontroller 1；
The data read module reads the log-on data in BIOS chips in microcontroller by bus switch after the power is turned on；
Check value after the data check module reads data read module in log-on data carries out verification comparison.
In the present embodiment, the alarm is buzzer.
The present invention gives a kind of SCM Based computer motherboard BIOS authentication method, includes the following steps：
S1：After the power is turned on, the data read module in microcontroller reads the startup number in BIOS chips by bus switch to microcontroller
According to；
S2：Data check module in microcontroller verifies the log-on data read in step S1, if verifying successfully
Step S3 is gone to, step S4 is otherwise gone to；
S3：Cpu chip reads the log-on data in BIOS chips by bus switch, starts CPU work；And exit verification；
S4：Alarm.
In the present embodiment, in the step S2, the check value of log-on data is solidificated in data check module in BIOS chips
It is interior, the check value that generates after the log-on data operation in BIOS chips is read, if with the school that is solidificated in data check module
It is identical to test value, then it is assumed that verify successfully, otherwise it is assumed that verification failure.
Disclosed above is only the preferred embodiment of the present invention, but the present invention is not limited to this, any this field
What technical staff can think does not have a creative variation, and without departing from the principles of the present invention made by several improvement and
Retouching, should all be within the scope of the present invention.
Claims (4)
1. a kind of SCM Based computer motherboard BIOS authentication system, which is characterized in that it includes microcontroller, the monolithic
Machine is connected to bus switch by data transmission bus, and microcontroller is also associated with alarm, and bus switch is total by data transmission
Line is connected to BIOS chips and cpu chip, is also connected by control signal wire between microcontroller and bus switch；
Data read module and data correction verification module are provided in the microcontroller；
The data read module reads the log-on data in BIOS chips in microcontroller by bus switch after the power is turned on；
Check value after the data check module reads data read module in log-on data carries out verification comparison.
2. a kind of SCM Based computer motherboard BIOS authentication system according to claim 1, which is characterized in that institute
The alarm stated is buzzer.
3. a kind of SCM Based computer motherboard BIOS authentication method, which is characterized in that include the following steps：
S1：After the power is turned on, the data read module in microcontroller reads the startup number in BIOS chips by bus switch to microcontroller
According to；
S2：Data check module in microcontroller verifies the log-on data read in step S1, if verifying successfully
Step S3 is gone to, step S4 is otherwise gone to；
S3：Cpu chip reads the log-on data in BIOS chips by bus switch, starts CPU work；And exit verification；
S4：Alarm.
4. a kind of SCM Based computer motherboard BIOS authentication method according to claim 3, which is characterized in that institute
It states in step S2, the check value of log-on data is solidificated in data check module in BIOS chips, reads opening in BIOS chips
The check value generated after dynamic data run, if identical as the check value being solidificated in data check module, then it is assumed that verification at
Work(, otherwise it is assumed that verification failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810179819.7A CN108416217A (en) | 2018-03-05 | 2018-03-05 | A kind of SCM Based computer motherboard BIOS authentication system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810179819.7A CN108416217A (en) | 2018-03-05 | 2018-03-05 | A kind of SCM Based computer motherboard BIOS authentication system and method |
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| Publication Number | Publication Date |
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| CN108416217A true CN108416217A (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810179819.7A Pending CN108416217A (en) | 2018-03-05 | 2018-03-05 | A kind of SCM Based computer motherboard BIOS authentication system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109840409A (en) * | 2018-12-29 | 2019-06-04 | 北京深思数盾科技股份有限公司 | Core board and core board start method |
| CN110704120A (en) * | 2019-11-15 | 2020-01-17 | 成都喜马科技发展有限公司 | Circuit and method for configuring computer BIOS parameters by utilizing single chip microcomputer |
| CN111737189A (en) * | 2020-06-30 | 2020-10-02 | 山东超越数控电子股份有限公司 | Main unit and computer based on Feiteng 2000-4 processor |
| CN112769800A (en) * | 2020-12-31 | 2021-05-07 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Switch integrity verification method and device and computer storage medium |
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| CN1591362A (en) * | 2003-08-25 | 2005-03-09 | 联想(北京)有限公司 | Safety chip information processing apparatus and starting method based on chip |
| CN102298680A (en) * | 2011-08-12 | 2011-12-28 | 曙光信息产业(北京)有限公司 | Secure startup method for computer |
| CN102855421A (en) * | 2011-06-30 | 2013-01-02 | 研祥智能科技股份有限公司 | Method for protecting BIOS (basic input and output system) program from being embezzled, basic input and output system and computing device |
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| US6711675B1 (en) * | 2000-02-11 | 2004-03-23 | Intel Corporation | Protected boot flow |
| CN1591362A (en) * | 2003-08-25 | 2005-03-09 | 联想(北京)有限公司 | Safety chip information processing apparatus and starting method based on chip |
| CN102855421A (en) * | 2011-06-30 | 2013-01-02 | 研祥智能科技股份有限公司 | Method for protecting BIOS (basic input and output system) program from being embezzled, basic input and output system and computing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109840409A (en) * | 2018-12-29 | 2019-06-04 | 北京深思数盾科技股份有限公司 | Core board and core board start method |
| CN110704120A (en) * | 2019-11-15 | 2020-01-17 | 成都喜马科技发展有限公司 | Circuit and method for configuring computer BIOS parameters by utilizing single chip microcomputer |
| CN110704120B (en) * | 2019-11-15 | 2023-09-12 | 成都喜马科技发展有限公司 | Circuit and method for configuring BIOS parameters of computer by utilizing singlechip |
| CN111737189A (en) * | 2020-06-30 | 2020-10-02 | 山东超越数控电子股份有限公司 | Main unit and computer based on Feiteng 2000-4 processor |
| CN112769800A (en) * | 2020-12-31 | 2021-05-07 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Switch integrity verification method and device and computer storage medium |
| CN112769800B (en) * | 2020-12-31 | 2022-10-04 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Switch integrity verification method and device and computer storage medium |
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Application publication date: 20180817 |