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:
Dec. 26, 2017
Filed:
Mar. 31, 2016
Applicant:
Intel Corporation, Santa Clara, CA (US);
Inventors:
Ramesh Thomas, Saratoga, CA (US);
Manohar R. Castelino, Santa Clara, CA (US);
Assignee:
Intel Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/44 (2006.01); G06F 11/36 (2006.01); G06F 21/52 (2013.01);
U.S. Cl.
CPC ...
G06F 11/3688 (2013.01); G06F 8/70 (2013.01); G06F 21/52 (2013.01); G06F 2221/033 (2013.01);
Abstract
A copy is made of at least a part a stack. A caller return address of a calling function in the stack is verified as trusted. A caller return address of a called function in the stack is verified as matching a source address of the calling function in the copy of the stack. If verification is affirmative, then the called function may be executed in a trusted domain.