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:
Dec. 15, 2020
Filed:
Jun. 06, 2018
Applicant:
Blackberry Limited, Waterloo, CA;
Inventors:
Stephen John Barrett, Haywards Heath, GB;
John Octavius Goyo, Acton, CA;
James Randolph Winter Lepp, Ottawa, CA;
Assignee:
BlackBerry Limited, Waterloo, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/32 (2006.01); H04W 4/40 (2018.01); H04L 9/08 (2006.01); H04L 29/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3268 (2013.01); H04L 9/0825 (2013.01); H04L 9/321 (2013.01); H04L 9/3247 (2013.01); H04W 4/40 (2018.02); H04L 67/12 (2013.01); H04L 2209/84 (2013.01);
Abstract
A method at a computing device within an Intelligent Transportation System, the method comprising: determining, at the computing device, whether a short-term certificate is available to sign a message; if the short-term certificate is available, signing the message with a private key associated with the short-term certificate; if the short-term certificate is not available, signing the message with a private key associated with a long-term certificate; and sending the message to a recipient.