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:
Nov. 23, 2021
Filed:
Sep. 25, 2019
Blackberry Limited, Waterloo, CA;
Siavash James Joorabchian Hawkins, Tonbridge, GB;
Phillip Riscombe-Burton, London, GB;
Johnathan George White, St. Albans, GB;
BlackBerry Limited, Waterloo, CA;
Abstract
A method of controlling access to data on a first electronic device, the method comprising steps of establishing a shared encryption key with a first software application instance running on a second electronic device, receiving a 'begin session' command sent by the first software application instance and responsive to the 'begin session' command, creating a storage location in a data store of the electronic device, obtaining a data encryption key, receiving data, encrypting the data using the data encryption key and storing the encrypted data in the storage location, receiving an ‘end session’ command sent by the first software application instance and responsive to the ‘end session’ command, discarding the shared encryption key, and deleting the encrypted data from the storage location.