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:
Jul. 09, 2024
Filed:
Jan. 31, 2018
Applicant:
Comcast Cable Communications, Llc, Philadelphia, PA (US);
Inventors:
Kyong Park, Philadelphia, PA (US);
Nikola Kolev, Devon, PA (US);
Jason Burgess, Highlands Ranch, CO (US);
Assignee:
COMCAST CABLE COMMUNICATIONS, LLC, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/40 (2022.01); H04N 21/2347 (2011.01); H04N 21/235 (2011.01); H04N 21/4627 (2011.01); H04N 21/845 (2011.01);
U.S. Cl.
CPC ...
H04L 9/08 (2013.01); H04L 63/068 (2013.01); H04N 21/2347 (2013.01); H04N 21/2351 (2013.01); H04N 21/4627 (2013.01); H04N 21/8456 (2013.01);
Abstract
Disclosed are systems and methods for encryption key management. Content items, or portions thereof, can be assigned to a plurality of partitions. Each of the plurality of partitions can correspond to a timeframe of encryption key rotation. Cache control can be applied to manifests and/or content based on the timeframe of encryption key rotation.