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.

Date of Patent:
Jul. 01, 2025

Filed:

Sep. 15, 2022
Applicant:

Synamedia Limited, Staines Upon Thames, GB;

Inventors:

Ezra Darshan, Beit Shemesh, IL;

Thomas Paul Burnley, Hampshire, GB;

Assignee:

SYNAMEDIA LIMITED, Maidenhead, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/10 (2013.01); G06F 21/60 (2013.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
G06F 21/105 (2013.01); G06F 21/602 (2013.01); H04L 9/0877 (2013.01);
Abstract

Various implementations include distributing DRM processing between a DRM key protection system and multiple receiving devices. To that end, a method includes receiving a first encrypted content key associated with a first receiving device, and receiving a second encrypted content key associated with a second receiving device. The method includes processing the first encrypted content key to generate a first decrypted content key, and processing the second encrypted content key to generate a second decrypted content key. The method includes generating a first protected content key based on the first decrypted content key, and generating a second protected content key based on the second decrypted content key. The method includes providing the first protected content key to the first receiving device, and providing the second protected content key to the second receiving device.


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