Invention Grant
- Patent Title: Resilient software updates in secure storage devices
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Application No.: US16694583Application Date: 2019-11-25
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Publication No.: US11080039B2Publication Date: 2021-08-03
- Inventor: Olivier Duval
- 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: G06F9/44
- IPC: G06F9/44 ; G06F8/65 ; G06F9/4401

Abstract:
Disclosed herein are methods, computer readable media, and devices for performing software updates. In one embodiment, a method is disclosed comprising initializing a storage space of a secure storage device into a plurality of portions; copying an update program to a first portion in the portions and copying update data to a second portion of the portions; generating a first golden measurement for the first portion and a second golden measurement for the second portion; measuring the first portion; updating or rolling back an update to the secure device in response to determining that the measuring of the first portion does not match the first golden measurement of the first portion; and verifying an update operation upon determining that the measuring of the first portion matches the first golden measurement of the first portion.
Public/Granted literature
- US20210157563A1 RESILIENT SOFTWARE UPDATES IN SECURE STORAGE DEVICES Public/Granted day:2021-05-27
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