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. 02, 2025
Filed:
Nov. 18, 2021
Sony Group Corporation, Tokyo, JP;
Sony Group Corporation, Tokyo, JP;
Abstract
The present disclosure relates to a method for sharing data with at least one user, wherein the data is legally owned by a data owner and to be published by a data publisher. The method comprises deriving, by the data owner, a publisher key based on an owner key held by the data owner and providing the publisher key to the data publisher. Further, the method includes deriving, by the data publisher, a symmetric access key based on the publisher key and at least one attribute of a subset of the data and encrypting the subset with the symmetric access key. The method further comprises deriving, by the data owner, the symmetric access key based on the owner key and the attribute, and providing the symmetric access key to the user to enable the user to decrypt using the symmetric access key the subset encrypted by the data publisher.