Patent ID: 7366899

Claim:
An architecture of multilayered digital rights management (DRM) protection structure for multimedia service, comprising: a multilayered DRM encryption structure; and a multilayered DRM decryption structure; wherein said multilayered DRM encryption structure further comprises: an inputted full multimedia service; a multimedia service decomposer decomposing said full multimedia service into at least one individual multimedia service or multimedia object and producing a multilayered structure of multimedia service (multilayered SMS) for said full multimedia service; and a multilayered DRM organizer producing a multilayered DRM protection structure according to different combinations of said at least one individual multimedia service or multimedia object by a right's owner, then encrypting and encoding an uppermost layered stream of said multilayered SMS; and said multilayered DRM decryption structure further comprises: a DRM multimedia service composer decrypting and decoding said uppermost layered stream of said multilayered SMS according to a user's or consumer's degree of authorization to generate a decrypted and decoded multilayered multimedia service structure; and a multimedia service composer recovering said decrypted and decoded multilayered multimedia service structure into a multimedia service.