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. 03, 2019
Filed:
Sep. 29, 2015
Blackberry Limited, Waterloo, CA;
Glenn Daniel Wurster, Kitchener, CA;
David Legault, Gatineau, CA;
BlackBerry Limited, Waterloo, Ontario, CA;
Abstract
A system and method to control access to data are disclosed. A command to mount a specified file system as a trusted file system is received. Whether the specified file system is marked as a trustable file system is determined, where marking as a trustable file system based on verifying integrity protection for the specified file system. The specified file system is mounted as a trusted file system based on determining that the specified file system is marked as a trustable file system. A command to access data on the specified file system is received. A determination is made as to whether the specified file system was mounted with a specification to be a trusted file system. Access to the data is permitted or denied based on determining that the mounting specified mounting as a trusted file system.