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Method and device for verifying legality of BIOS during out-of-band refreshing of BIOS

A legal and legitimate technology, applied to computer-readable storage media, verifying the legality of the BIOS when refreshing the BIOS out-of-band, can solve problems such as flashing into the BIOS image file, failing to prove the BIOS image file, and the server cannot be turned on.

Active Publication Date: 2018-06-29
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such integrity verification can only prove that the BIOS image file is complete, and cannot prove that the BIOS image file is the BIOS image file originally uploaded by the operation and maintenance personnel for the server. The BIOS image file prevents the server from booting

Method used

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  • Method and device for verifying legality of BIOS during out-of-band refreshing of BIOS
  • Method and device for verifying legality of BIOS during out-of-band refreshing of BIOS

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Embodiment Construction

[0032] The core of the present invention is to provide a method, device and computer-readable storage medium for verifying the legitimacy of the BIOS when refreshing the BIOS out-of-band, for avoiding mistakenly flashing the BIOS when refreshing the BIOS, improving the security when refreshing the BIOS out-of-band, and ensuring The server runs smoothly.

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034] figure 1 It is a flow chart of the first method for verifying the validity of the BIOS when refres...

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Abstract

The invention discloses a method for verifying legality of a BIOS during out-of-band refreshing of the BIOS. The method is applied in a substrate management controller. The method includes: acquiringa BIOS mirror image document and a secret key; judging a ciphertext is stored in the BIOS mirror image document or not; if yes, judging whether the secret key can decipher the ciphertext or not, if yes, applying the BIOS mirror image document to refresh the BIOS, and if not, prohibiting applying the BIOS mirror image document to refresh the BIOS; if not, prohibiting applying the BIOS mirror imagedocument to refresh the BIOS. By the method, the BIOS mirror image document is ciphered before transmission and then deciphered, so that the substrate management controller is avoided flushing wrong and illegal BIOS mirror image documents, and smooth running of a server is ensured. The invention further provides a device for verifying the legality of the BIOS during out-of-band refreshing of the BIOS and a computer readable storage medium. The device has the above advantages, which will not be repeated here.

Description

technical field [0001] The invention relates to the field of computer software, in particular to a method, a device and a computer-readable storage medium for verifying the validity of the BIOS when the BIOS is refreshed out of band. Background technique [0002] BIOS is the first software loaded when the computer is started. It is a set of programs solidified on a ROM chip on the motherboard of the computer. A program that reads and writes specific information about system settings from the CMOS. [0003] Now most servers can use the baseboard management controller to refresh the BIOS. Before the baseboard management controller refreshes the BIOS, in order to prevent the BIOS image file from being damaged, some technicians use the CRC check method or the MD5 check method to complete the BIOS image file. gender verification. However, such integrity verification can only prove that the BIOS image file is complete, and cannot prove that the BIOS image file is the BIOS image ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F8/65H04L9/08H04L9/32
CPCG06F8/65H04L9/0863H04L9/3226
Inventor 毕文鹏刘冰
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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