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:
Aug. 02, 2016
Filed:
Mar. 20, 2014
Blackberry Limited, Waterloo, CA;
Certicom Corp., Mississauga, CA;
Michael Eoin Buckley, Grayslake, IL (US);
Robert John Lambert, Cambridge, CA;
Nevine Maurice Nassif Ebeid, Kitchener, CA;
Certicom Corp., Mississauga, Ontario, CA;
BlackBerry Limited, Waterloo, Ontario, CA;
Abstract
There is provided a method for secure communications. The method includes a computing device receiving a notification comprising a message, a counter value, a signature signed by a signer and based on the message and the counter value, and an indication of the signer. The device obtains a current counter value based on an identity of the signer, checks the signature and compares the counter value with the current counter value; and, if the counter comparison and the signature checking is successful, accepting the message.