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:
Nov. 12, 2024
Filed:
Jan. 19, 2022
Applicants:
Sony Group Corporation, Tokyo, JP;
Sony Pictures Entertainment Inc., Culver City, CA (US);
Inventor:
Eric Diehl, Burbank, CA (US);
Assignees:
SONY GROUP CORPORATION, Tokyo, JP;
SONY PICTURES ENTERTAINMENT, INC., Culver City, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06F 21/10 (2013.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
G06F 21/105 (2013.01); H04L 9/0869 (2013.01); H04L 9/0891 (2013.01); H04L 9/3213 (2013.01); H04L 9/3268 (2013.01); G06F 21/107 (2023.08);
Abstract
Encrypting a document, including: generating first and second nonces; combining the first and second nonces to generate a secret key that is deterministically defined by the first and second nonces; encrypting the document using the secret key to produce an encrypted document; delivering the first nonce to a license manager; and delivering the second nonce to a rights manager.