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US 7,734,917 B2Granted
Method for sharing rights objects between users
AssigneeSamsung Electronics Co., Ltd.
InventorsKyung-ah Chang, Byung-rae Lee
Life of this patent
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Abstract
Provided is a method for delivering all or part of a rights object (RO) of a user associated with the content to other users. The method includes creating a rights object to be transmitted to a second user within a limit of the rights object held by the first user, and forwarding the created rights object to the second user. The method allows each user to share its own RO with other users within the limit of the RO without server authentication.
Claims5
A method for sharing rights objects associated with content, comprising:
- backing up a rights object held by a first user on a backup server coupled via a wireless or wired network, the rights object issued by a rights issuer or received from another user;
- the first user accessing the backup server and creating a rights object for a second user within a limit of the rights object stored on the backup server;
- encrypting the created rights objects;
- and
- forwarding an address of the backup server so that the second user can download the rights object created within the backup server.
2 more elements
Dependencies are inferred from the claim text.