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:
Apr. 05, 2022

Filed:

Sep. 24, 2020
Applicant:

Raytheon Company, Waltham, MA (US);

Inventor:

Daniel Rose, Salado, TX (US);

Assignee:

Raytheon Company, Waltham, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/30 (2006.01); G06F 11/07 (2006.01); G06F 11/34 (2006.01); G06F 8/41 (2018.01);
U.S. Cl.
CPC ...
G06F 11/3096 (2013.01); G06F 8/434 (2013.01); G06F 11/0772 (2013.01); G06F 11/3461 (2013.01);
Abstract

A method for use in a computing device having a processor, the method comprising: executing a computer program on the processor; while the computer program is running, detecting whether any of a plurality of transition instructions of the computer program is executed, the detecting being performed by using resources that are external to the computer program; in response to detecting that a given one of the transition instructions is executed, detecting whether a current execution flow of the computer program matches a control flow graph for the computer program; and performing a countermeasure action based on one of a mismatch of the current execution flow of the computer program and the control flow graph or a current value of a memory location associated with the computer program; wherein the control flow graph for the computer program is generated by simulating an execution of the computer program.


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