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.

Date of Patent:
May. 05, 2020

Filed:

Feb. 13, 2018
Applicant:

Wuxi Research Institute of Applied Technologies Tsinghua University, Wuxi, Jiangsu, CN;

Inventors:

Leibo Liu, Beijing, CN;

Ao Luo, Beijing, CN;

Shaojun Wei, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/56 (2013.01); G06F 21/52 (2013.01); G06F 21/57 (2013.01);
U.S. Cl.
CPC ...
G06F 21/567 (2013.01); G06F 21/52 (2013.01); G06F 21/56 (2013.01); G06F 21/57 (2013.01); G06F 21/577 (2013.01);
Abstract

A checking method for a processor is provided. The checking method first determines whether a checked processor satisfies a security-sensitive condition including one or more of security-sensitive instruction, processor running mode, security-sensitive input/output operation, security-sensitive application, and user-defined security level. Then, the checking method checks the checked processor according to a determination result, which further includes: when the checked processor satisfies the security-sensitive condition, checking the checked processor according to a first checking mode; and when the checked processor does not satisfy the security-sensitive condition, checking the checked processor according to a second checking mode; wherein for the same running process of the checked processor, a total checking length of the first checking mode is longer than that of the second checking mode. Also provided is a checking device for a processor and a checking system for a processor.


Find Patent Forward Citations

Loading…