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:
Jun. 21, 2022

Filed:

Nov. 19, 2019
Applicant:

Facebook Technologies, Llc, Menlo Park, CA (US);

Inventor:

Gleb Kurtsov, San Jose, CA (US);

Assignee:

Facebook Technologies, LLC., Menlo Park, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06F 21/62 (2013.01); G06F 21/57 (2013.01); G06F 21/51 (2013.01); H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
G06F 21/6227 (2013.01); G06F 21/51 (2013.01); G06F 21/57 (2013.01); H04L 63/20 (2013.01); G06F 2221/2113 (2013.01); G06F 2221/2141 (2013.01);
Abstract

In one embodiment, a method includes receiving a request to transfer a handle to an object from a first process to a second process, accessing a first security context of the handle and a second security context of the second process, identifying one or more security policies based on at least one of the first security context and the second security context, determining that the handle is allowed to be transferred to the second process by applying the one or more security policies on the first security context of the handle and the second security context of the second process, and transferring the handle to the second process in response to the request.


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