Micron Technology, Inc.
Customer-specific activation of functionality in a semiconductor device

Last updated:

Abstract:

The disclosed embodiments are related to securely updating a semiconductor device. In one embodiment, a method comprises receiving a command; generating, by the semiconductor device, a response code in response to the command; returning the response code to a processing device; receiving a command to replace a storage root key of the device; generating a replacement key based on the response code; and replacing an existing key with the replacement key.

Status:
Grant
Type:

Utility

Filling date:

8 Sep 2020

Issue date:

5 Apr 2022