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A system and a method for realizing safe startup of a motherboard based on a domestic platform
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A technology for secure startup and implementation of the system, applied in the direction of platform integrity maintenance, computer security devices, instruments, etc., can solve problems such as weak security, inconsistent data, etc., achieve simple structure, improve security, and highlight the effect of substantive features
Inactive Publication Date: 2019-02-05
SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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Summary
Abstract
Description
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Problems solved by technology
During the computer startup process, the motherboard hardware and the entire system are in a weak link in security. Abnormal initialization of hardware or user tampering with configuration may lead to data inconsistency, which has gradually become a key factor affecting the management security of domestic platform motherboards.
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Embodiment 1
[0035] Such as figure 1 Shown, a kind of system based on the mainboard safe start of domestic platform, described comprises mainboard and hard disk 6, and described mainboard comprises basic module and safety module, and described basic module is connected with safe module;
[0036] The basic module includes CPU 1 and BIOS 2; the security module includes a security card 3 and a data protection interface module 7;
[0037] BIOS 2 is respectively connected to CPU 1 and security card 3 through analog switch 8; security card 3 is used as a trusted root to authenticate the content of BIOS 2; CPU 1 reads the content of BIOS 2 and initializes CPU 1;
[0038] The hard disk 6 is connected to the CPU 1 through a data protection interface module 7, and the data protection interface module 7 is used to detect whether the hard disk or the metric value of the hard disk is consistent with the BIOS.
[0039] The data protection interface module 7 includes a data protection chip 4 and a hard ...
Embodiment 2
[0046] A method for realizing safe startup of a motherboard based on a domestic platform, comprising the following steps:
[0047] S1: The security card is used as the trusted root to authenticate the contents of the BIOS;
[0048] S11: Power on the system and start the security card;
[0049] S12: The analog quantity switch switches to the path between the security card and the BIOS, and verifies the contents of the BIOS.
[0050] If the authentication fails, the system is prohibited from continuing to start;
[0051] Restart the system until the authentication is successful.
[0052] S2: If the authentication is successful, start the BIOS to initialize the CPU; after the BIOS authentication is completed, the security card resets the CPU and pulls it high, the analog switch switches to the path between the CPU and the BIOS, and reads the BIOS information to initialize the CPU;
[0053] S3: The BIOS measures the hard disk through the data protection interface module, and pr...
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Abstract
The invention provides a system and a method for realizing safe startup of a motherboard based on a domestic platform. The system comprises a motherboard and a hard disk. The motherboard comprises a basic module and a safety module. The basic modules include CPU and BIOS. The security module comprises a security card and a data protection interface module. BIOS is respectively connected with CPU and security card through analog quantity switch; The security card is used as a trusted root to authenticate the contents of the BIOS. CPU reads the contents of BIOS and initializes CPU; The hard diskis connected with the CPU through a data protection interface module, and the data protection interface module is used for detecting whether the hard disk or the hard disk measurement value is consistent with the BIOS. The data protection interface module is used for encrypting and decrypting the data of the hard disk. After the data protection chip processes, the data in the hard disk will be encrypted, so that the data of the encrypted hard disk will be displayed as random codes in other computer systems.
Description
technical field [0001] The invention relates to the technical field of computer information security, in particular to a system and method for implementing safe startup of a motherboard based on a domestic platform. Background technique [0002] With the rise and development of the information industry, security and reliability have increasingly become the focus of attention. Especially in the computer field, with the rapid development of network and information technology, the situation of information security is becoming more and more serious. The security of computer equipment not only affects information security, but will further affect national security and military security in the future. Safe and trusted technologies based on domestic platforms are gradually emerging. Computer motherboards have higher and higher requirements for the reliability design of the use authority, so as to prevent the loss of business data caused by the random operation of non-management pe...
Claims
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Application Information
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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/57
CPCG06F21/575
Inventor 王圣南冯磊孟宪鑫刘洋
Owner SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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