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:
Jan. 15, 2019

Filed:

May. 13, 2016
Applicant:

Blackberry Limited, Waterloo, CA;

Inventors:

Neil Patrick Adams, Waterloo, CA;

David Bajar, Kitchener, CA;

Assignee:

BlackBerry Limited, Waterloo, Ontario, CA;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/14 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0897 (2013.01); H04L 9/0822 (2013.01); H04L 9/0863 (2013.01); H04L 9/14 (2013.01);
Abstract

A system and method for supporting encryption key retrieval. A first digital key is created. A first protected key is created by applying a first protection algorithm based on a first user provided password to the first digital key. A first unlock key is created that is separate from the first digital key. A second protected key is created by applying a second protection algorithm based on the first unlock key to the first digital key. The first protected key and the second protected key are stored. The first unlock key is sent to a remote storage and no copy of the unlock key is retained after the sending the first unlock key.


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