Invention Grant
- Patent Title: Secure firmware update through a predefined server
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Application No.: US17399919Application Date: 2021-08-11
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Publication No.: US11886592B2Publication Date: 2024-01-30
- Inventor: Zhan Liu
- Applicant: Micron Technology, Inc.
- Applicant Address: US ID Boise
- Assignee: Micron Technology, Inc.
- Current Assignee: Micron Technology, Inc.
- Current Assignee Address: US ID Boise
- Agency: Greenberg Traurig
- Main IPC: G06F11/00
- IPC: G06F11/00 ; G06F21/57 ; G06F8/65 ; H04L9/32 ; G06F9/4401 ; G06F11/14 ; G06F8/71

Abstract:
The disclosed embodiments relate to securely booting firmware images. In one embodiment, a method is disclosed comprising receiving, by a memory device, a firmware update; validating, by the memory device, a signature associated with the firmware update; copying, by the memory device, an existing firmware image to an archive location, the archive location storing a plurality of firmware images sorted by version identifiers; booting, by the memory device, and executing the firmware update; and replacing, by the memory device, the firmware update with the existing firmware image stored in the archive location upon detecting an error while booting the firmware update.
Public/Granted literature
- US20230046674A1 Secure Firmware Update through a Predefined Server Public/Granted day:2023-02-16
Information query