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A BIOS tamper-proof and automatic recovery method for motherboard

An automatic recovery and anti-tampering technology, applied in the direction of instrument, platform integrity maintenance, electrical digital data processing, etc., can solve problems such as damage to computers, and achieve the effects of improving security, preventing system damage, and ensuring security

Inactive Publication Date: 2019-03-08
TIANJIN QISUO PRECISION ELECTROMECHANICAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is an interface between the hardware and the software program, responsible for solving the immediate needs of the hardware, and implementing it in accordance with the operating requirements of the software for the hardware. However, after the BIOS is tampered with by an illegal intruder, the attacker will rely on other ways or environments of the computer to Carry malicious codes to destroy computers or steal key data in computers, while traditional computer architecture and information security products cannot meet the needs

Method used

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  • A BIOS tamper-proof and automatic recovery method for motherboard
  • A BIOS tamper-proof and automatic recovery method for motherboard

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Embodiment Construction

[0024] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:

[0025] A kind of motherboard BIOS anti-tampering and automatic recovery method, such as figure 1 and figure 2 shown, including the following steps:

[0026] Step 1. After the computer is powered on, the co-processing module starts first, and starts the control circuit through the main board, so that the main board BIOS of the computer does not start temporarily;

[0027] Step 2, by setting the bus switch, the co-processing module obtains the BIOS access authority;

[0028] In the present embodiment, the specific method of step 2 is: the BIOS bus switch is placed in the 1-2 connection position, so that the co-processing module CPU performs data reading / writing operations on the motherboard BIOS chip;

[0029] Step 3, the co-processing module measures the motherboard BIOS, and determines whether the motherboard BIOS has been tampered with accordi...

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Abstract

A BIOS tamper-proof and automatic recovery method for a motherboard includes the steps of staring that co-processing module after power-on of computer and starting control circuit of motherboard to make BIOS of motherboard of computer not start temporarily; 2 enabling that co-processing module to obtain the BIOS access authority; 3 using that co-processing module to measure the BIOS of the motherboard and judging whet the BIOS of the motherboard is tampered with according to the measurement result; 4 enabling that CPU of the motherboard to obtain the BIOS access authority by setting a bus switch; 5 using that compute to complete normal start; 6 using the BIOS to start up normally. After the computer BIOS is tampered with by an illegal user, the method of the invention can prevent the BIOSprogram from being maliciously implanted with an illegal code, hold the source of the attack, and ensure the source safety of the computer.

Description

technical field [0001] The invention belongs to the technical field of computer information security, in particular to a mainboard BIOS tamper-proof and automatic recovery method. Background technique [0002] With the continuous deepening of national informatization construction, information security issues have gradually become one of the main obstacles restricting the development of national informatization. [0003] Among them, BIOS (Basic Input / Output System) plays the most basic and important role in the computer. It provides the computer with the lowest and most direct hardware control. content is realized. It is an interface between the hardware and the software program, responsible for solving the immediate needs of the hardware, and implementing it in accordance with the operating requirements of the software for the hardware. However, after the BIOS is tampered with by an illegal intruder, the attacker will rely on other ways or environments of the computer to C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/57G06F9/4401
CPCG06F9/4401G06F21/575
Inventor 盛郁杨晓龙张霁莹郑伟任荣耀刘世杰
Owner TIANJIN QISUO PRECISION ELECTROMECHANICAL TECH
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