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. 12, 2018

Filed:

Apr. 28, 2014
Applicant:

Blackberry Limited, Waterloo, CA;

Inventors:

Alex Lau, Markham, CA;

Mihir Kapadia, Markham, CA;

Yunan Zhao, Pickering, CA;

Assignee:

BlackBerry Limited, Waterloo, Ontario, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06F 21/44 (2013.01); G06F 21/45 (2013.01); G06F 21/62 (2013.01);
U.S. Cl.
CPC ...
G06F 21/44 (2013.01); G06F 21/45 (2013.01); G06F 21/6209 (2013.01); H04L 63/0428 (2013.01); H04L 63/083 (2013.01); G06F 2221/2143 (2013.01);
Abstract

A method for managing a master password on a network device, the method stored as a set of instructions executable by a computer processor to: store the master password in a first file in a memory of the network device; store the master password in a second file in the memory of the network device; encrypt access to the first file using a first password; encrypt access to the second file using a second password; send the second password and an identifier associated with the network device over a communications network to a registration server, the registration server configured for storing the second password for subsequent retrieval by the network device; when the first password is unavailable, send a password retrieval request including the identifier; receive the second password configured as a one-time use password; decrypt access to the second file to retrieve the master password; and, initiate a reset process for subsequent storage of the master password in the memory of the network device.


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