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Protecting method and protecting system for configuration files

A technology for configuring files and protecting systems, applied in the direction of digital data protection, etc., can solve problems such as abnormal power-on and board burning, and achieve the effect of preventing arbitrary tampering

Inactive Publication Date: 2013-06-19
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the configuration file is incorrect, the mainboard may be powered on abnormally or even burned when the mainboard is running.

Method used

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  • Protecting method and protecting system for configuration files
  • Protecting method and protecting system for configuration files
  • Protecting method and protecting system for configuration files

Examples

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Embodiment Construction

[0015] refer to figure 1 Shown is the operating environment diagram of the preferred embodiment of the configuration file protection system of the present invention. In this embodiment, the configuration file protection system 20 runs on the motherboard 2 of the computer 1 . The motherboard 2 also integrates a digital PWM controller 21 and a BMC 22 . Wherein, the configuration file protection system 20 and the BMC 22 communicate with the digital PWM controller 21 through SMBus respectively. A group of NVM registers 23 of the digital PWM controller 21 stores a configuration file 230, which includes several power parameters of the motherboard 2, such as the core voltage of the CPU on the motherboard 2, and the power supply of the memory. The BMC 22 can read and write the configuration file 230 through the corresponding SMBus, so the configuration file 230 may be modified. The computer 1 can be a desktop computer or a server.

[0016] refer to figure 2 Shown is a functional...

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Abstract

A protecting method for configuration files comprises the following steps: obtaining a configuration file from a digital pulse-width modulation (PWM) controller of a computer mainboard; opening the reading authorization of the configuration file; verifying whether the code input by a user is right or not when the configuration file needs to be modified; and opening the writing authorization of the configuration file when the input code is correct. The invention further provides a protecting system for the configuration files. By using the protecting method and the protecting system for the configuration files, protection can be carried out on the configuration files in the digital PWM controller, and the fact that the configuration files are willfully tampered is prevented.

Description

technical field [0001] The present invention relates to a data protection method and system, in particular to a method and system for protecting a configuration file in a digital PWM (Pulse Width Modulation, pulse width modulation) controller. Background technique [0002] The Intel VR12 power supply design platform introduces a power supply solution for the digital PWM controller, allowing testers to modify the dynamic current response (transient response) and loop stability of the motherboard power supply by modifying the configuration file in the digital PWM controller. , over current protector (over current protector) and other items for debugging. After the tester determines the correct configuration file, the configuration file will be burned into a set of NVM (Nonvolatile memory, non-volatile memory) registers in the digital PWM controller. [0003] However, anyone can read and write the correct configuration file as long as they know the SMBus (System Management Bus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62
Inventor 付迎宾陈元喜
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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