US 11,954,185 B2
Methods, devices, and systems for preventing rendering content from CDN to unauthorized users
Moshe Elad, Gedera (IL); David Livshits, Geva Binyamin (IL); and Itai Ephraim Zilbershtein, Hod Hasharon (IL)
Assigned to Synamedia Limited, Staines Upon Thames (GB)
Filed by Synamedia Limited, Staines Upon Thames (GB)
Filed on Mar. 23, 2022, as Appl. No. 17/701,828.
Prior Publication US 2023/0306090 A1, Sep. 28, 2023
Int. Cl. G06F 21/12 (2013.01); G06F 21/10 (2013.01); G06F 21/31 (2013.01); H04L 9/08 (2006.01)
CPC G06F 21/121 (2013.01) [G06F 21/105 (2013.01); G06F 21/31 (2013.01); H04L 9/0825 (2013.01); H04L 9/0866 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method comprising:
at a content delivery network (CDN) including one or more processors and a non-transitory memory:
receiving a request from a client device for a media content item, wherein the request indicates an identifier of a client;
provisioning an encrypted media content item corresponding to the media content item for the client, wherein at least a portion of the encrypted media content item is encrypted using at least one personalized key assigned to the client;
facilitating obtaining a manifest corresponding to the encrypted media content item, wherein the manifest specifies encryption metadata for retrieving the at least one personalized key by the client;
sending the encrypted media content item and the manifest to the client device; and
wherein a boundary of the portion of the encrypted media content item is aligned with a video sample unit boundary, a sub-segment boundary, or a segment boundary.