CN109635602A - A kind of BIOS cipher code protection method, device and computer readable storage medium - Google Patents
A kind of BIOS cipher code protection method, device and computer readable storage medium Download PDFInfo
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- CN109635602A CN109635602A CN201811506263.4A CN201811506263A CN109635602A CN 109635602 A CN109635602 A CN 109635602A CN 201811506263 A CN201811506263 A CN 201811506263A CN 109635602 A CN109635602 A CN 109635602A
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- 238000003860 storage Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000004048 modification Effects 0.000 claims description 14
- 238000012986 modification Methods 0.000 claims description 14
- 238000004590 computer program Methods 0.000 claims description 11
- 238000004321 preservation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
-
- 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
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/45—Structures or tools for the administration of authentication
- G06F21/46—Structures or tools for the administration of authentication by designing passwords or checking the strength of passwords
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
Abstract
The embodiment of the invention discloses a kind of BIOS cipher code protection method, device and computer readable storage mediums, when receiving BIOS password, by BIOS password storage in the BIOS Flash flash memory and preset Nonvolatile memory device corresponding to it；Judge whether BIOS Flash flash memory is stored with BIOS password when system boot；When BIOS password is not present in BIOS Flash flash memory, then BIOS password can be read from Nonvolatile memory device, in order to carry out safeguard protection to BIOS.When bios version upgrade or more renew BIOS Flash flash memory after, the case where BIOS password in Nonvolatile memory device will not disappear, realize effective preservation to BIOS password, reduce BIOS password loss generation.It allows server to become safer, is not subject to hacker attacks.
Description
Technical field
The present invention relates to server security technical fields, more particularly to a kind of BIOS cipher code protection method, device and meter
Calculation machine readable storage medium storing program for executing.
Background technique
Basic input output system (Basic Input Output System, BIOS) in store computer is most important
The program of basic input and output.In the prior art, safe guarantor can be carried out to server by setting BIOS password, that is, Password
Shield effectively prevent other people arbitrarily to enter BIOS setting.
Server in the current market, Password only deposit in BIOS Flash flash memory i.e. BIOS SPI flash
In chip.When user is in the new BIOS SPI flash chip of upgrading BIOS version or replacement, meeting is related to lose storage
In the Password of BIOS SPI flash chip, so that server loses cryptoguard, become dangerous.
As it can be seen that the case where how effectively reducing BIOS password loss generation, is that those skilled in the art are urgently to be resolved
Problem.
Summary of the invention
The purpose of the embodiment of the present invention is that providing a kind of BIOS cipher code protection method, device and computer-readable storage medium
Matter, the case where BIOS password loss can be effectively reduced generation.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of BIOS cipher code protection method, comprising:
When receiving BIOS password, then the BIOS Flash flash memory by the BIOS password storage corresponding to it and
In preset Nonvolatile memory device；
Judge whether the BIOS Flash flash memory is stored with BIOS password when system boot；
If it is not, reading the BIOS password, from the Nonvolatile memory device then in order to carry out safe guarantor to BIOS
Shield.
Optionally, described after reading the BIOS password in the Nonvolatile memory device further include:
The BIOS password is stored again into the BIOS Flash flash memory.
Optionally, by BIOS Flash flash memory of the BIOS password storage corresponding to it and preset non-
After volatile memory device further include:
When receiving password modification instruction, then the target password carried in password modification instruction is updated to described
In BIOS Flash flash memory and the Nonvolatile memory device.
Optionally, further includes:
When being stored with BIOS password in the BIOS Flash flash memory, then from the BIOS Flash flash memory described in reading
BIOS password, and judge the BIOS password in the BIOS password and the Nonvolatile memory device in the BIOS Flash flash memory
It is whether consistent；
If it is not, then by the BIOS password update in the BIOS Flash flash memory into the Nonvolatile memory device.
Optionally, the Nonvolatile memory device is EEPROM, SD Card or FLASH flash memory.
The embodiment of the invention also provides a kind of BIOS cipher protection apparatus, including backup units, judging unit and reading
Unit；
The backup units, for when receiving BIOS password, then by the BIOS password storage corresponding to it
In BIOS Flash flash memory and preset Nonvolatile memory device；
The judging unit, for judging whether the BIOS Flash flash memory is stored with BIOS password when system boot；
If it is not, then triggering the reading unit；
The reading unit, for reading the BIOS password from the Nonvolatile memory device, in order to BIOS
Carry out safeguard protection.
It optionally, further include storage unit；
The storage unit will be described for after reading the BIOS password in the Nonvolatile memory device
BIOS password is stored again into the BIOS Flash flash memory.
It optionally, further include updating unit；
The updating unit, for when receiving password modification instruction, then will be carried in password modification instruction
Target password is updated in the BIOS Flash flash memory and the Nonvolatile memory device.
It optionally, further include updating unit；
The reading unit is also used to be stored with BIOS password in the BIOS Flash flash memory, then from the BIOS
The BIOS password is read in Flash flash memory；
The judging unit is also used to judge BIOS password and the non-volatile memory in the BIOS Flash flash memory
Whether the BIOS password in device is consistent；
If it is not, then triggering the updating unit；
The updating unit, for by the BIOS password update in the BIOS Flash flash memory to the non-volatile memory
In device.
Optionally, the Nonvolatile memory device is EEPROM, SD Card or FLASH flash memory.
The embodiment of the invention also provides a kind of BIOS cipher protection apparatus, comprising:
Memory, for storing computer program；
Processor, for executing the computer program to realize such as the step of above-mentioned BIOS cipher code protection method.
The embodiment of the invention also provides a kind of computer readable storage medium, deposited on the computer readable storage medium
Computer program is contained, is realized when the computer program is executed by processor such as the step of above-mentioned BIOS cipher code protection method.
It can be seen from above-mentioned technical proposal when receiving BIOS password, then by BIOS password storage corresponding to it
BIOS Flash flash memory and preset Nonvolatile memory device in；BIOS Flash flash memory is judged when system boot is
It is no to be stored with BIOS password；When BIOS password is not present in BIOS Flash flash memory, then illustrate in BIOS Flash flash memory
BIOS password loss can then read BIOS password from Nonvolatile memory device at this time, in order to carry out safety to BIOS
Protection.BIOS password is stored in Nonvolatile memory device will not be by the shadow that bios version upgrades or BIOS Flash flash memory is replaced
It rings, i.e., after the BIOS Flash flash memory that bios version upgrades or more renews, the BIOS password in Nonvolatile memory device is not
It can disappear.By the way that BIOS password backup into Nonvolatile memory device, to be realized to effective preservation to BIOS password, reduce
The case where BIOS password loss, occurs.It allows server to become safer, is not subject to hacker attacks.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of BIOS cipher code protection method provided in an embodiment of the present invention；
Fig. 2 is a kind of storage schematic diagram of Password provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of BIOS cipher protection apparatus provided in an embodiment of the present invention；
Fig. 4 is a kind of hardware structural diagram of BIOS cipher protection apparatus provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are without making creative work, obtained every other
Embodiment belongs to the scope of the present invention.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Next, a kind of BIOS cipher code protection method provided by the embodiment of the present invention is discussed in detail.Fig. 1 is that the present invention is real
A kind of flow chart of BIOS cipher code protection method of example offer is provided, this method comprises:
S101: when receiving BIOS password, then the BIOS Flash flash memory by BIOS password storage corresponding to it with
And in preset Nonvolatile memory device.
System boot, user enters BIOS Setup setting BIOS password i.e. Password, can will in traditional approach
Password can exist in BIOS Flash flash memory.
In view of the BIOS Flash flash memory that more renews either upgrading BIOS version when, frequently can lead to Password and disappear
It loses, so that server is in the state without cryptoguard.
Therefore, in embodiments of the present invention, in order to promote effective storage of Password, can set in advance in the server
Set a Nonvolatile memory device.By Password there are when BIOS Flash flash memory, synchronous storage Password it is non-easily
It loses in storage device.
In the concrete realization, Nonvolatile memory device can use EEPROM, SD Card or FLASH flash memory etc..
S102: judge whether BIOS Flash flash memory is stored with BIOS password when system boot.
When being replaced to BIOS Flash flash memory, since BIOS password storage is in original BIOS Flash flash memory,
The BIOS Flash flash memory newly replaced simultaneously does not include BIOS password, will lead to the loss of BIOS password.When bios version upgrades, with
The relevant historical data of BIOS can be wiped free of, so as to cause BIOS password loss.
The replacement of BIOS Flash flash memory needs to carry out in system closedown.After bios version upgrading, it is also desirable to close
Machine can just come into force after restarting.Therefore, in embodiments of the present invention, BIOS Flash flash memory can be judged when system turns back on
Whether BIOS password is stored with.
When being stored with BIOS password in BIOS Flash flash memory, then can directly be read from BIOS Flash flash memory
BIOS password, in order to carry out safeguard protection to BIOS.
When BIOS password is not present in BIOS Flash flash memory, then illustrate that the password in BIOS Flash flash memory has been lost
It loses, S103 can be executed at this time.
S103: reading BIOS password from Nonvolatile memory device, in order to carry out safeguard protection to BIOS.
The characteristic that there is Nonvolatile memory device power-off not lose, and the Nonvolatile memory device is opposite with BIOS only
It is vertical, it will not be influenced by factors such as the replacements either upgrading of bios version of BIOS Flash flash memory, ensure that Password
Effective storage.
It is illustrated in figure 2 the storage schematic diagram of Password provided in an embodiment of the present invention a kind of, server system
(Server System) is handed over BIOS SPI flash chip and Nonvolatile memory device (Storage Device) respectively
Mutually, can be when user enter BIOS Setup setting Password, while Password is stored in BIOS SPI flash
In chip and Storage Device.In addition, also may be implemented between BIOS SPI flash chip and Storage Device
The synchronization of Password, to guarantee the consistency of Password.
It can be seen from above-mentioned technical proposal when receiving BIOS password, then by BIOS password storage corresponding to it
BIOS Flash flash memory and preset Nonvolatile memory device in；BIOS Flash flash memory is judged when system boot is
It is no to be stored with BIOS password；When BIOS password is not present in BIOS Flash flash memory, then illustrate in BIOS Flash flash memory
BIOS password loss can then read BIOS password from Nonvolatile memory device at this time, in order to carry out safety to BIOS
Protection.BIOS password is stored in Nonvolatile memory device will not be by the shadow that bios version upgrades or BIOS Flash flash memory is replaced
It rings, i.e., after the BIOS Flash flash memory that bios version upgrades or more renews, the BIOS password in Nonvolatile memory device is not
It can disappear.By the way that BIOS password backup into Nonvolatile memory device, to be realized to effective preservation to BIOS password, reduce
The case where BIOS password loss, occurs.It allows server to become safer, is not subject to hacker attacks.
In view of when system boot, default reads BIOS password from BIOS Flash flash memory in current mechanism, work as BIOS
When there is password loss in Flash flash memory, system be switched on every time require according to the step of above-mentioned S102 and S103 obtain BIOS it is close
Code, in order to simplify the process flow of system, in embodiments of the present invention, from Nonvolatile memory device read BIOS password it
After BIOS password can also be stored again into BIOS Flash flash memory.
It is stored again by the BIOS password that will be read in Nonvolatile memory device to BIOS Flash flash memory, it is effective to protect
BIOS password can be directly read from BIOS Flash flash memory when follow-up system is restarted by having demonstrate,proved, and ensure that BIOS password reading flow
Journey it is simplicity.
In order to promote the safety of server, user can periodically modify to BIOS password, since the present invention is implemented
In example, the Nonvolatile memory device for storing BIOS password is increased in the server, therefore, when server receives password
When modification instruction, then the target password carried in password modification instruction is updated to BIOS Flash flash memory and non-volatile memory
In device.
By being updated simultaneously to the BIOS password in BIOS Flash flash memory and Nonvolatile memory device, ensure that
The consistency of BIOS password in BIOS Flash flash memory and Nonvolatile memory device effectively avoids the inconsistent production of BIOS password
Raw confusion.
When in view of that in practical applications, may have BIOS Flash flash memory that user more renews, new at this
It is written with new BIOS password in BIOS Flash flash memory, will lead to BIOS password and Fei Yi in BIOS Flash flash memory at this time
The BIOS password lost in storage device is inconsistent, in embodiments of the present invention, can in order to realize the consistency of BIOS password storage
Carried out more to the BIOS password in Nonvolatile memory device using the BIOS password in BIOS Flash flash memory as standard value
Newly.
Specifically, then reading BIOS from BIOS Flash flash memory when being stored with BIOS password in BIOS Flash flash memory
Password, and judge whether the BIOS password in BIOS Flash flash memory and the BIOS password in Nonvolatile memory device are consistent.
When the BIOS password in the BIOS password and Nonvolatile memory device in BIOS Flash flash memory is inconsistent, then will
BIOS password update in BIOS Flash flash memory is into Nonvolatile memory device.
By consistent with the BIOS password progress in Nonvolatile memory device to the BIOS password in BIOS Flash flash memory
Property detection, while guaranteeing BIOS password consistency, can effectively guarantee to store in Nonvolatile memory device is newest
The BIOS password of setting.
Fig. 3 is a kind of structural schematic diagram of BIOS cipher protection apparatus provided in an embodiment of the present invention, including backup units
31, judging unit 32 and reading unit 33；
Backup units 31, for when receiving BIOS password, then the BIOS by BIOS password storage corresponding to it
In Flash flash memory and preset Nonvolatile memory device；
Judging unit 32, for judging whether BIOS Flash flash memory is stored with BIOS password when system boot；If it is not, then
Trigger reading unit 32；
Reading unit 33, for reading BIOS password from Nonvolatile memory device, in order to carry out safe guarantor to BIOS
Shield.
It optionally, further include storage unit；
Storage unit, for after reading BIOS password in Nonvolatile memory device, BIOS password to be stored again
Into BIOS Flash flash memory.
It optionally, further include updating unit；
Updating unit, the target password for when receiving password modification instruction, then will be carried in password modification instruction
It is updated in BIOS Flash flash memory and Nonvolatile memory device.
It optionally, further include updating unit；
Reading unit is also used to be stored with BIOS password in BIOS Flash flash memory, then reads from BIOS Flash flash memory
Take BIOS password；
Judging unit is also used to judge the BIOS in BIOS password and Nonvolatile memory device in BIOS Flash flash memory
Whether password is consistent；
If it is not, then triggering updating unit；
Updating unit, for by the BIOS password update in BIOS Flash flash memory into Nonvolatile memory device.
Optionally, Nonvolatile memory device EEPROM, SD Card or FLASH flash memory.
The explanation of feature may refer to the related description of embodiment corresponding to Fig. 1 in embodiment corresponding to Fig. 3, here no longer
It repeats one by one.
It can be seen from above-mentioned technical proposal when receiving BIOS password, then by BIOS password storage corresponding to it
BIOS Flash flash memory and preset Nonvolatile memory device in；BIOS Flash flash memory is judged when system boot is
It is no to be stored with BIOS password；When BIOS password is not present in BIOS Flash flash memory, then illustrate in BIOS Flash flash memory
BIOS password loss can then read BIOS password from Nonvolatile memory device at this time, in order to carry out safety to BIOS
Protection.BIOS password is stored in Nonvolatile memory device will not be by the shadow that bios version upgrades or BIOS Flash flash memory is replaced
It rings, i.e., after the BIOS Flash flash memory that bios version upgrades or more renews, the BIOS password in Nonvolatile memory device is not
It can disappear.By the way that BIOS password backup into Nonvolatile memory device, to be realized to effective preservation to BIOS password, reduce
The case where BIOS password loss, occurs.It allows server to become safer, is not subject to hacker attacks.
Fig. 4 is a kind of hardware structural diagram of BIOS cipher protection apparatus 40 provided in an embodiment of the present invention, comprising:
Memory 41, for storing computer program；
Processor 42, for executing computer program to realize such as the step of above-mentioned BIOS cipher code protection method.
The embodiment of the invention also provides a kind of computer readable storage medium, it is stored on computer readable storage medium
Computer program is realized when computer program is executed by processor such as the step of above-mentioned BIOS cipher code protection method.
It is provided for the embodiments of the invention a kind of BIOS cipher code protection method, device and computer-readable storage medium above
Matter is described in detail.Each embodiment is described in a progressive manner in specification, and each embodiment stresses
It is the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.For embodiment public affairs
For the device opened, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to side
Method part explanation.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention
In protection scope.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Claims (10)
1. a kind of BIOS cipher code protection method characterized by comprising
When receiving BIOS password, then the BIOS Flash flash memory by the BIOS password storage corresponding to it and in advance
In the Nonvolatile memory device of setting；
Judge whether the BIOS Flash flash memory is stored with BIOS password when system boot；
If it is not, reading the BIOS password, from the Nonvolatile memory device then in order to carry out safeguard protection to BIOS.
2. the method according to claim 1, wherein it is described from the Nonvolatile memory device read described in
After BIOS password further include:
The BIOS password is stored again into the BIOS Flash flash memory.
3. method according to claim 1 or 2, which is characterized in that by the BIOS password storage corresponding to it
After BIOS Flash flash memory and preset Nonvolatile memory device further include:
When receiving password modification instruction, then the target password carried in password modification instruction is updated to the BIOS
In Flash flash memory and the Nonvolatile memory device.
4. method according to claim 1 or 2, which is characterized in that further include:
When being stored with BIOS password in the BIOS Flash flash memory, then the BIOS is read from the BIOS Flash flash memory
Password, and whether judge the BIOS password in the BIOS password and the Nonvolatile memory device in the BIOS Flash flash memory
Unanimously；
If it is not, then by the BIOS password update in the BIOS Flash flash memory into the Nonvolatile memory device.
5. the method according to claim 1, wherein the Nonvolatile memory device be EEPROM, SD Card or
FLASH flash memory.
6. a kind of BIOS cipher protection apparatus, which is characterized in that including backup units, judging unit and reading unit；
The backup units, for when receiving BIOS password, then the BIOS by the BIOS password storage corresponding to it
In Flash flash memory and preset Nonvolatile memory device；
The judging unit, for judging whether the BIOS Flash flash memory is stored with BIOS password when system boot；If it is not,
Then trigger the reading unit；
The reading unit, for reading the BIOS password from the Nonvolatile memory device, in order to be carried out to BIOS
Safeguard protection.
7. device according to claim 6, which is characterized in that further include storage unit；
The storage unit, for after reading the BIOS password in the Nonvolatile memory device, by the BIOS
Password is stored again into the BIOS Flash flash memory.
8. device according to claim 6 or 7, which is characterized in that further include updating unit；
The updating unit, the target for when receiving password modification instruction, then will be carried in password modification instruction
Password update is into the BIOS Flash flash memory and the Nonvolatile memory device.
9. a kind of BIOS cipher protection apparatus characterized by comprising
Memory, for storing computer program；
Processor, for executing the computer program to realize the BIOS cryptoguard as described in claim 1 to 5 any one
The step of method.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the BIOS cipher code protection method as described in any one of claim 1 to 5 when the computer program is executed by processor
The step of.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811506263.4A CN109635602A (en) | 2018-12-10 | 2018-12-10 | A kind of BIOS cipher code protection method, device and computer readable storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811506263.4A CN109635602A (en) | 2018-12-10 | 2018-12-10 | A kind of BIOS cipher code protection method, device and computer readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111176734A (en) * | 2019-12-15 | 2020-05-19 | 苏州浪潮智能科技有限公司 | Startup control method and equipment of server and storage medium |
| CN114003876A (en) * | 2021-09-28 | 2022-02-01 | 苏州浪潮智能科技有限公司 | Method, device, electronic equipment and medium for accessing BIOS password |
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Application publication date: 20190416 |