Patent · US Active

Secure testing mode

US12105139B2 · kind B2 · utility

0Cited by

5References

20Claims

0Family size

Assignee

Advanced Micro Devices, Inc. · US

Inventors

Vidyashankar Viswanathan · Boxborough, US
Richard E. George · Everett, US
Michael Chow · Saratoga, US

Key dates

Filing date	Dec 29, 2021
Grant date	Oct 1, 2024
Priority date	—
Expiry date	Sep 14, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG06F2221/034
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A technique for operating a processing device is disclosed. The method includes irreversibly activating a testing mode switch of the processing device; in response to the activating, entering a testing mode in which normal operation of the processing device is disabled; receiving software for the processing device in the testing mode; based on whether the software is verified as testing mode-signed software, executing or not executing the software.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.