Firmware upgrading method, device, equipment, medium and product

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By locking and verifying the unlocking control of the read-only area in the BMC Flash, the problem of easy tampering of the BMC firmware is solved, the security of upgrades and server stability are improved, and the risk of performance loss and downtime is avoided.

CN122173108APending Publication Date: 2026-06-09DOUYIN VISION CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner: DOUYIN VISION CO LTD
Filing Date: 2024-12-06
Publication Date: 2026-06-09

AI Technical Summary

Technical Problem

BMC firmware is vulnerable to tampering by attackers, threatening data center security. Existing technologies cannot effectively prevent tampering and affect BMC performance and normal use.

Method used

By generating a firmware key to lock the read-only area in the BMC Flash, and performing verification and unlocking control during upgrades, it is ensured that the firmware to be upgraded can only be updated under legitimate conditions.

Benefits of technology

By preventing BMC firmware from being attacked and tampered with at the source, upgrade security is improved, performance loss and impact on normal use are avoided, and the risk of server downtime and maintenance costs are reduced.

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Abstract

The present disclosure relates to the technical field of computer, and discloses a firmware upgrading method, device, equipment, medium and product. The method comprises: obtaining a read-only area of a firmware to be upgraded, the read-only area comprising a first read-only area and a second read-only area; obtaining a firmware key, and using the firmware key to lock the first read-only area and the second read-only area; if an upgrading request sent by the firmware to be upgraded is received, checking a main firmware flash memory and a backup firmware flash memory, and determining whether to allow unlocking the first read-only area or the second read-only area based on a checking result; and if the first read-only area or the second read-only area is allowed to be unlocked, using the firmware key to unlock the first read-only area or the second read-only area, so that the firmware to be upgraded is updated and upgraded. Through the technical scheme of the present disclosure, the firmware is prevented from being tampered with during the upgrading process, the upgrading safety of the firmware is ensured from the source, and the normal use of the firmware is not affected by triggering a forced check.

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