CN111142912A - BIOS refreshing method, device and equipment - Google Patents

BIOS refreshing method, device and equipment Download PDF

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Publication number
CN111142912A
CN111142912A CN201911386474.3A CN201911386474A CN111142912A CN 111142912 A CN111142912 A CN 111142912A CN 201911386474 A CN201911386474 A CN 201911386474A CN 111142912 A CN111142912 A CN 111142912A
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China
Prior art keywords
bios
refreshing
request
authority
refresh
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Withdrawn
Application number
CN201911386474.3A
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Chinese (zh)
Inventor
芦飞
李道童
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Shandong Yingxin Computer Technology Co Ltd
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Shandong Yingxin Computer Technology Co Ltd
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Priority to CN201911386474.3A priority Critical patent/CN111142912A/en
Publication of CN111142912A publication Critical patent/CN111142912A/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • 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
    • G06F21/572—Secure firmware programming, e.g. of basic input output system [BIOS]

Abstract

The application discloses a BIOS refreshing method, which comprises the following steps: acquiring a BIOS refreshing request; determining an authority identification result according to the identity information carried by the BIOS refreshing request, and assigning the authority identification result to a control option; and reading the control options by using a refreshing tool, if the read authority identification result is that the control options have the authority, executing refreshing operation on the target BIOS by using the refreshing tool, and otherwise rejecting the BIOS refreshing request. It can be seen that, for write protection of in-band system BIOS refresh, the method no longer uses mechanical hardware, but uses software to implement BIOS write protection by controlling the state of options. The BIOS refreshing method is beneficial to the batch processing of BIOS refreshing actions of the machine by operators, and can also realize the BIOS refreshing through remote operation. In addition, the application also provides a BIOS refreshing device, equipment and a readable storage medium, and the technical effect of the BIOS refreshing device corresponds to that of the method.

Description

BIOS refreshing method, device and equipment
Technical Field
The present application relates to the field of computer technologies, and in particular, to a BIOS refresh method, apparatus, device, and readable storage medium.
Background
With the development of computer technology, the security of the server is more and more concerned.
The bios (basic Input Output system) is a very important part of the server, and is a set of programs that are solidified on a ROM chip on a main board in the computer, and stores the most important basic Input and Output programs of the computer, a self-test program after power-on and a system self-starting program, and can read and write specific information set by the system from the CMOS. Its primary function is to provide the lowest level, most direct hardware setup and control for the computer. In addition, the BIOS provides some system parameters to the operating system. The change of system hardware is hidden by BIOS, and programs use BIOS functions rather than directly control the hardware. Modern operating systems ignore the abstraction layer provided by the BIOS and directly control the hardware components.
However, with the rapid development of network technology, BIOS has been the target of some virus trojans, and once the system is destroyed, the effect is not conceivable. Under the in-band system, the BIOS can be updated by using related tools, but in view of the safety requirement, the BIOS of the mainboard needs to have the write protection requirement during the refreshing, namely, the authority is set, the BIOS of the mainboard can be refreshed only after the authority is released, otherwise, the refreshing is forbidden.
At present, the mode of limiting BIOS in-band refreshing is to operate through hardware pins, when in-band tools are refreshed, the in-band tools interact with BIOS in an interruption mode, firstly, whether pins GPIO are enabled or not is read for refreshing, although the in-band tools are effective, manual field operation is needed, mechanical limitation is caused during operation, and remote operation is not facilitated.
Disclosure of Invention
The application aims to provide a BIOS refreshing method, a BIOS refreshing device, BIOS refreshing equipment and a readable storage medium, which are used for solving the problems that the safety setting of the current in-band system BIOS refreshing scheme needs manual field operation, time and labor are wasted, and the efficiency is low. The specific scheme is as follows:
in a first aspect, the present application provides a BIOS refresh method, including:
acquiring a BIOS refreshing request;
determining an authority identification result according to the identity information carried by the BIOS refreshing request, and assigning the authority identification result to a control option;
and reading the control options by using a refreshing tool, if the read authority identification result is that the control options have the authority, executing refreshing operation on a target BIOS by using the refreshing tool, and otherwise rejecting the BIOS refreshing request.
Preferably, the determining a permission authentication result according to the identity information carried by the BIOS refresh request and assigning the permission authentication result to a control option includes:
and determining an authority authentication result according to the identity information carried by the BIOS refreshing request by using a write protection module, and assigning the authority authentication result to a control option, wherein the write protection module is arranged in the target BIOS.
Preferably, the determining, by the write protection module, a permission authentication result according to the identity information carried by the BIOS refresh request, and assigning the permission authentication result to a control option includes:
starting a refreshing tool, and sending an interrupt signal to a write protection module by using the refreshing tool;
and determining an authority authentication result by using the write protection module according to the identity information carried by the BIOS refreshing request according to the interrupt signal, and assigning the authority authentication result to a control option.
Preferably, after the determining, by the write protection module, the authority authentication result according to the identity information carried in the BIOS refresh request, the method further includes:
and if the authority identification result shows that the BIOS does not have the authority, generating a prompt character string for prohibiting the BIOS from being refreshed by using the write protection module.
Preferably, the rejecting the BIOS refresh request includes:
and refusing the BIOS refreshing request, and displaying a prompt character string for prohibiting refreshing the BIOS.
Preferably, before the obtaining the BIOS refresh request, the method further includes:
and generating a BIOS refreshing request according to the calling operation of the out-of-band system to the target interface.
Preferably, before the obtaining the BIOS refresh request, the method further includes:
and generating a BIOS refreshing request according to the target instruction of the in-band system.
In a second aspect, the present application provides a BIOS refresh apparatus, comprising:
a request acquisition module: the BIOS refreshing request is acquired;
an authentication module: the system comprises a BIOS refreshing request, a control option and a permission authentication result, wherein the BIOS refreshing request carries identity information;
a refresh module: and the control option is read by using a refreshing tool, if the read authority identification result is that the control option has the authority, the refreshing tool is used for executing the refreshing operation on the target BIOS, and otherwise, the BIOS refreshing request is rejected.
In a third aspect, the present application provides a BIOS refresh apparatus, comprising:
a memory: for storing a computer program;
a processor: for executing said computer program for implementing the steps of the BIOS refresh method as described above.
In a fourth aspect, the present application provides a readable storage medium having stored thereon a computer program for implementing the steps of the BIOS refresh method as described above when executed by a processor.
The application provides a BIOS refreshing method, which comprises the following steps: acquiring a BIOS refreshing request; determining an authority identification result according to the identity information carried by the BIOS refreshing request, and assigning the authority identification result to a control option; and reading the control options by using a refreshing tool, if the read authority identification result is that the control options have the authority, executing refreshing operation on the target BIOS by using the refreshing tool, and otherwise rejecting the BIOS refreshing request. It can be seen that, for write protection of in-band system BIOS refresh, the method no longer uses mechanical hardware, but uses software to implement BIOS write protection by controlling the state of options. On one hand, the BIOS refreshing method is beneficial to the batch processing of BIOS refreshing actions of the machine by operators, and on the other hand, the BIOS refreshing can be realized through remote operation. Time cost and labor cost are saved, and BIOS refreshing efficiency is improved.
In addition, the application also provides a BIOS refreshing device, equipment and a readable storage medium, and the technical effect of the BIOS refreshing device corresponds to the technical effect of the method, and the technical effect is not repeated herein.
Drawings
For a clearer explanation of the embodiments or technical solutions of the prior art of the present application, the drawings needed for the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flowchart illustrating a first implementation of a BIOS refreshing method according to an embodiment of the present disclosure;
FIG. 2 is a flowchart illustrating a second implementation of a BIOS refreshing method according to an embodiment of the present disclosure;
FIG. 3 is a functional block diagram of an embodiment of a BIOS refreshing apparatus provided herein;
fig. 4 is a schematic structural diagram of an embodiment of a BIOS refresh apparatus provided in the present application.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
At present, whether an in-band system can refresh BIOS depends on the state of a hardware pin of a mainboard, and the state of the pin needs to be changed by manual field operation. Refresh can only be inhibited when the pin flip cap is manually tripped to the off state. The mode brings inconvenience to research personnel for debugging and production line workers for upgrading and downgrading the BIOS, and the BIOS needs manual field operation. And the client room faces tens of thousands of machines, which results in huge workload.
In order to solve the above problems, the present application provides a BIOS refresh method, device, apparatus, and readable storage medium, which implement write protection of in-band system BIOS refresh by software processing, that is, implement BIOS write protection by controlling the state of options. Manual field operation is avoided, and BIOS refreshing efficiency is improved.
Referring to fig. 1, a first embodiment of a BIOS refresh method provided by the present application is described below, where the first embodiment includes:
s101, obtaining a BIOS refreshing request;
BIOS (basic Input Output System) is a set of programs solidified on a ROM chip on a main board in a computer, and stores the most important basic Input and Output programs of the computer, system setting information, self-checking programs after startup and system self-starting programs. Its primary function is to provide the lowest level, most direct hardware setup and control for the computer.
The BIOS refresh request may be generated by an in-band system, i.e., locally, or by an out-of-band system, i.e., remotely and locally via a network.
S102, determining an authority authentication result according to the identity information carried by the BIOS refreshing request, and assigning the authority authentication result to a control option;
the BIOS is very important and therefore needs to be write protected. With the present embodiment, the refresh operation to the BIOS is limited by setting the BIOS refresh authority. Therefore, after receiving the BIOS refresh request, the identity information is extracted from the BIOS refresh request and then authenticated. The identity information may specifically be in a form of a user name and a password, for example, the identity information of the general user is a user + user password, and the identity information of the authorized user is an admin + admin password.
And after determining the authority identification result corresponding to the identity information, assigning the authority identification result to a preset control option. Wherein, the authority identification result is that the authority (enable) is provided or the authority (disable) is not provided.
As a specific implementation manner, the process of determining the authority authentication result according to the identity information carried by the BIOS refresh request and assigning the authority authentication result to the control option may be implemented based on a write protection module. In this embodiment, a write protection module is preset, and the write protection module is set in the BIOS.
S103, reading the control options by using a refreshing tool, if the read authority identification result is that the control options have the authority, executing refreshing operation on a target BIOS by using the refreshing tool, and if not, rejecting the BIOS refreshing request.
The refresh tool is a tool for performing a refresh operation on the BIOS, and the selection of the specific refresh tool may be adjusted according to actual requirements, which is not specifically limited in this embodiment. The target BIOS is the BIOS to be refreshed. In this embodiment, the control option is read by using a refresh tool, when the read authority identification result is that the target BIOS has the authority, the refresh tool is used to perform a refresh operation on the target BIOS, and when the read authority identification result is that the target BIOS does not have the authority, the BIOS refresh request is rejected.
In a specific embodiment, after the BIOS refresh request is rejected, a prompt message for prohibiting the BIOS from being refreshed may be further displayed to prompt the user that the current BIOS refresh request has been rejected.
The embodiment provides a BIOS refreshing method, which comprises the steps of obtaining a BIOS refreshing request; determining an authority identification result according to the identity information carried by the BIOS refreshing request, and assigning the authority identification result to a control option; and reading the control options by using a refreshing tool, if the read authority identification result is that the control options have the authority, executing refreshing operation on the target BIOS by using the refreshing tool, and otherwise rejecting the BIOS refreshing request. It can be seen that, for write protection of in-band system BIOS refresh, the method no longer uses mechanical hardware, but uses software to implement BIOS write protection by controlling the state of options. On one hand, the BIOS refreshing method can be beneficial to an operator to process BIOS refreshing actions of machines in batches, and on the other hand, the BIOS refreshing can be realized through remote operation. Time cost and labor cost are saved, and BIOS refreshing efficiency is improved.
The second embodiment of the BIOS refresh method provided by the present application is described in detail below, and is implemented based on the first embodiment, and is expanded to a certain extent based on the first embodiment.
Specifically, the second embodiment adopts an interrupt mode. Referring to fig. 2, the second embodiment specifically includes:
s201, generating a BIOS refreshing request according to a target instruction of an in-band system; jumping to S203;
s202, generating a BIOS refreshing request according to the calling operation of the out-of-band system to the target interface; jumping to S203;
the embodiment provides a target interface, which may be specifically an ipmi interface, and the target interface can be remotely controlled in an out-of-band manner through the interface.
S203, obtaining a BIOS refreshing request;
s204, starting a refreshing tool, and sending an interrupt signal to the write protection module by using the refreshing tool; wherein, the write protection module is arranged in a target BIOS;
s205, according to the interrupt signal, determining an authority authentication result by using the write protection module according to the identity information carried by the BIOS refreshing request, and assigning the authority authentication result to a control option;
s206, if the authority identification result shows that the BIOS does not have the authority, generating a prompt character string for prohibiting refreshing the BIOS by using the write protection module;
s207, reading the control options by using a refreshing tool;
s208, if the read authority identification result is that the target BIOS has the authority, the refreshing tool is used for executing refreshing operation on the target BIOS;
s209, if the read authority identification result is that the BIOS does not have the authority, rejecting the BIOS refreshing request, and displaying a prompt character string for prohibiting refreshing the BIOS.
In this embodiment, an in-band system is added to the BIOS to refresh the write protection module of the BIOS, and when the refresh tool is executed, the refresh tool may start the write protection module in an interrupt manner, and the write protection module further determines the authority authentication result corresponding to the identity information carried in the BIOS refresh request, and assigns the authority authentication result to the control option. Then, the refreshing tool continues to read the state of the control option, when the read authority identification result is that the control option has the authority, the writing action of the refreshing tool can continue, otherwise, the interface of the in-band system prompts the character string information which prohibits refreshing the BIOS.
It should be noted that the write protection module may further generate a prompt string for prohibiting the BIOS from being refreshed when the authority identification result indicates that the authority is not available. And when the refreshing tool reads the control options and the read authority identification result is that the control options do not have the authority, acquiring the prompt character string and displaying the prompt character string for prohibiting refreshing the BIOS on the interface.
In the embodiment, the control options in the write protection module are limited by the password authority, and when the password authority is admin in the starting process, the control options are in a readable and settable state; when the user right is set, the control option is in a state of being unreadable and unsettable.
As can be seen, according to the BIOS refresh method provided in this embodiment, for the way in which the in-band tool refreshes the BIOS, the write protection function of the BIOS is not mechanically limited by the state of the hardware pin, but is controlled by a software option. A write protection module is arranged in the BIOS to change the value of the control option, and the value of the control option is limited by the authority of the boot password, so that the safety is further improved. And the control option also provides an ipmi interface which can be modified in an out-of-band remote mode. The operation mode can realize batch write protection of the servers, and simultaneously provides convenience for BIOS refreshing operation of research and development, production line workers and client machine room maintenance personnel, and improves product competitiveness.
In the following, a BIOS refresh apparatus provided in the embodiments of the present application is introduced, and a BIOS refresh apparatus described below and a BIOS refresh method described above may be referred to correspondingly.
As shown in fig. 3, the BIOS refresh apparatus includes:
the request acquisition module 301: the BIOS refreshing request is acquired;
the authentication module 302: the system comprises a BIOS refreshing request, a control option and a permission authentication result, wherein the BIOS refreshing request carries identity information;
the refresh module 303: and the control option is read by using a refreshing tool, if the read authority identification result is that the control option has the authority, the refreshing tool is used for executing the refreshing operation on the target BIOS, and otherwise, the BIOS refreshing request is rejected.
As a specific implementation manner, the authentication module is configured to:
and determining an authority authentication result according to the identity information carried by the BIOS refreshing request by using a write protection module, and assigning the authority authentication result to a control option, wherein the write protection module is arranged in the target BIOS.
As a specific implementation, the method further comprises the following steps:
an interrupt module: the device comprises a refreshing tool and a write protection module, wherein the refreshing tool is used for starting the refreshing tool and sending an interrupt signal to the write protection module by utilizing the refreshing tool;
correspondingly, the authentication module is configured to: and determining an authority authentication result by using the write protection module according to the identity information carried by the BIOS refreshing request according to the interrupt signal, and assigning the authority authentication result to a control option.
As a specific implementation, the method further comprises the following steps:
a character string generation module: and if the authority identification result shows that the BIOS does not have the authority, generating a prompt character string for prohibiting the BIOS from being refreshed by using the write protection module.
As a specific implementation, the refresh module is configured to:
and when the read authority identification result is that the authority is not available, rejecting the BIOS refreshing request and displaying a prompt character string for prohibiting refreshing the BIOS.
As a specific implementation, the method further comprises the following steps:
a first request generation module: and the BIOS refreshing request is generated according to the calling operation of the out-of-band system to the target interface.
As a specific implementation, the method further comprises the following steps:
a second request generation module: the BIOS refreshing request is generated according to the target instruction of the in-band system.
The BIOS refresh apparatus of this embodiment is configured to implement the BIOS refresh method described above, so that the detailed description thereof may refer to the descriptions of the corresponding embodiments, and will not be described herein. In addition, since the BIOS refresh apparatus of this embodiment is used to implement the above BIOS refresh method, its function corresponds to that of the above method, and is not described herein again.
In addition, the present application further provides a BIOS refresh apparatus, as shown in fig. 4, including:
the memory 100: for storing a computer program;
the processor 200: for executing said computer program for implementing the steps of the BIOS refresh method as described above.
Finally, the present application provides a readable storage medium having stored thereon a computer program for implementing the steps of the BIOS refresh method as described above when executed by a processor.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above detailed descriptions of the solutions provided in the present application, and the specific examples applied herein are set forth to explain the principles and implementations of the present application, and the above descriptions of the examples are only used to help understand the method and its core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. A BIOS refreshing method, comprising:
acquiring a BIOS refreshing request;
determining an authority identification result according to the identity information carried by the BIOS refreshing request, and assigning the authority identification result to a control option;
and reading the control options by using a refreshing tool, if the read authority identification result is that the control options have the authority, executing refreshing operation on a target BIOS by using the refreshing tool, and otherwise rejecting the BIOS refreshing request.
2. The method of claim 1, wherein the determining a permission authentication result according to the identity information carried by the BIOS refresh request and assigning the permission authentication result to a control option comprises:
and determining an authority authentication result according to the identity information carried by the BIOS refreshing request by using a write protection module, and assigning the authority authentication result to a control option, wherein the write protection module is arranged in the target BIOS.
3. The method of claim 2, wherein the determining, by the write protection module, a permission authentication result according to the identity information carried by the BIOS refresh request and assigning the permission authentication result to a control option comprises:
starting a refreshing tool, and sending an interrupt signal to a write protection module by using the refreshing tool;
and determining an authority authentication result by using the write protection module according to the identity information carried by the BIOS refreshing request according to the interrupt signal, and assigning the authority authentication result to a control option.
4. The method of claim 3, wherein after determining, by the write protection module, a result of authentication of the permission based on the identity information carried in the BIOS refresh request, further comprising:
and if the authority identification result shows that the BIOS does not have the authority, generating a prompt character string for prohibiting the BIOS from being refreshed by using the write protection module.
5. The method of claim 4, wherein said rejecting the BIOS refresh request comprises:
and refusing the BIOS refreshing request, and displaying a prompt character string for prohibiting refreshing the BIOS.
6. The method of any of claims 1-5, further comprising, prior to the obtaining the BIOS refresh request:
and generating a BIOS refreshing request according to the calling operation of the out-of-band system to the target interface.
7. The method of claim 1, prior to said obtaining a BIOS refresh request, further comprising:
and generating a BIOS refreshing request according to the target instruction of the in-band system.
8. A BIOS refresh apparatus, comprising:
a request acquisition module: the BIOS refreshing request is acquired;
an authentication module: the system comprises a BIOS refreshing request, a control option and a permission authentication result, wherein the BIOS refreshing request carries identity information;
a refresh module: and the control option is read by using a refreshing tool, if the read authority identification result is that the control option has the authority, the refreshing tool is used for executing the refreshing operation on the target BIOS, and otherwise, the BIOS refreshing request is rejected.
9. A BIOS refresh apparatus, comprising:
a memory: for storing a computer program;
a processor: for executing said computer program for carrying out the steps of the BIOS refresh method of any one of claims 1 to 7.
10. A readable storage medium, having stored thereon a computer program for implementing the steps of the BIOS refresh method according to any one of claims 1 to 7 when executed by a processor.
CN201911386474.3A 2019-12-29 2019-12-29 BIOS refreshing method, device and equipment Withdrawn CN111142912A (en)

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Citations (6)

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Publication number Priority date Publication date Assignee Title
CN101464933A (en) * 2007-12-18 2009-06-24 中国长城计算机深圳股份有限公司 BIOS write protection method and system
CN104834543A (en) * 2015-04-24 2015-08-12 曙光信息产业(北京)有限公司 Method and device for externally refreshing BIOS (basic input/output system) firmware
CN105718277A (en) * 2014-12-05 2016-06-29 中国长城计算机深圳股份有限公司 Protection method, device and system for BIOS (Basic Input Output System) update
CN106228091A (en) * 2016-07-14 2016-12-14 昆山百敖电子科技有限公司 A kind of safe firmware validation update method
CN108959973A (en) * 2018-06-27 2018-12-07 郑州云海信息技术有限公司 A kind of guard method and system refreshed for BMC firmware
CN110007945A (en) * 2019-04-15 2019-07-12 苏州浪潮智能科技有限公司 BIOS/firmware file method for refreshing, device, equipment and readable storage medium storing program for executing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101464933A (en) * 2007-12-18 2009-06-24 中国长城计算机深圳股份有限公司 BIOS write protection method and system
CN105718277A (en) * 2014-12-05 2016-06-29 中国长城计算机深圳股份有限公司 Protection method, device and system for BIOS (Basic Input Output System) update
CN104834543A (en) * 2015-04-24 2015-08-12 曙光信息产业(北京)有限公司 Method and device for externally refreshing BIOS (basic input/output system) firmware
CN106228091A (en) * 2016-07-14 2016-12-14 昆山百敖电子科技有限公司 A kind of safe firmware validation update method
CN108959973A (en) * 2018-06-27 2018-12-07 郑州云海信息技术有限公司 A kind of guard method and system refreshed for BMC firmware
CN110007945A (en) * 2019-04-15 2019-07-12 苏州浪潮智能科技有限公司 BIOS/firmware file method for refreshing, device, equipment and readable storage medium storing program for executing

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