The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 02, 2021
Filed:
Apr. 18, 2018
Applicant:
Nuvoton Technology Corporation, Hsin-chu, TW;
Inventors:
Assignee:
NUVOTON TECHNOLOGY CORPORATION, Hsin-Chu, TW;
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/04 (2006.01); G06F 21/57 (2013.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
G06F 21/575 (2013.01); G06F 21/572 (2013.01); H04L 9/3271 (2013.01); G06F 2221/033 (2013.01);
Abstract
A method for initializing a computer system, which includes a Central Processing Unit (CPU), a Trusted Root Device and a Trusted Platform Module (TPM), includes authenticating a boot code of the CPU using the Trusted Root Device, and booting the CPU using the authenticated boot code. A challenge-response transaction, in which the TPM authenticates the Trusted Root Device, is initiated by the CPU following booting of the CPU. Only in response to successful authentication of the Trusted Root Device using the challenge-response transaction, a resource used in operating the computer system is released from the TPM.