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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.:

US 11171983 B1

PDFFull Text
Date of Patent:
Nov. 09, 2021

Filed:

Jun. 29, 2018

Techniques to provide function-level isolation with capability-based security

Applicant:

Intel Corporation, Santa Clara, CA (US);

Inventors:

Vadim Sukhomlinov, Santa Clara, CA (US);

Kshitij Doshi, Tempe, AZ (US);

Michael Lemay, Hillsboro, OR (US);

Dmitry Babokin, Santa Clara, CA (US);

Areg Melik-Adamyan, Austin, TX (US);

Assignee:

INTEL CORPORATION, Santa Clara, CA (US);

Attorney:

Kacvinsky Daisak Bluni PLLC

Primary Examiner:

Farid Homayounmehr

Assistant Examiner:

Zhimei Zhu

Int. Cl.
CPC ...
G06F 12/14 (2006.01); H04L 29/06 (2006.01); G06F 9/455 (2018.01); G06F 21/57 (2013.01); G06F 21/53 (2013.01); G06F 21/62 (2013.01);
U.S. Cl.
CPC ...
H04L 63/1441 (2013.01); G06F 9/45558 (2013.01); G06F 12/14 (2013.01); G06F 21/53 (2013.01); G06F 21/577 (2013.01); G06F 21/629 (2013.01); G06F 2009/45583 (2013.01); G06F 2009/45587 (2013.01); G06F 2221/2141 (2013.01);
Abstract

Embodiments are directed toward techniques to detect a first function associated with an address space initiating a call instruction to a second function in the address space, the first function to call the second function in a deprivileged mode of operation, and define accessible address ranges for segments of the address space for the second function, each segment to a have a different address range in the address space where the second function is permitted to access in the deprivileged mode of operation, Embodiments include switching to the stack associated with the second address space and the second function, and initiating execution of the second function in the deprivileged mode of operation.

Find Patent Forward Citations

Sukhomlinov, Vadim. (2021). Techniques to provide function-level isolation with capability-based security (U.S. Patent No. 11171983). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11171983

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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