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:
Jan. 16, 2018
Filed:
Aug. 01, 2016
Applicants:
Blackberry Limited, Waterloo, CA;
Certicom Corp., Mississauga, CA;
Inventors:
Matthew John Campagnan, Ridgefield, CT (US);
Gregory Marc Zaverucha, Redmond, WA (US);
Michael Eoin Buckley, Rolling Meadows, IL (US);
Assignees:
BlackBerry Limited, Waterloo, ON, CA;
Certicom Corp., Mississauga, ON, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04L 29/06 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 63/306 (2013.01); H04L 9/0861 (2013.01); H04L 2209/80 (2013.01);
Abstract
The present disclosure relates to systems and methods for secure communications. In some aspects, a method of signalling an interception time period is described. At least one keying information used by a KMF to regenerate a key is stored. A start_interception message is signaled from an ADMF to a CSCF. A halt_message is signaled from the ADMF to the CSCF.