公开(公告)号：US20090125987A1

公开(公告)日：2009-05-14

申请号：US12013985

申请日：2008-01-14

Applicant: James IRWIN

Inventor： James IRWIN

IPC: G06F21/24

CPC classification number: H04L63/10 ,  G06F21/10 ,  H04L67/04 ,  H04L67/303 ,  H04L2463/101 ,  H04L2463/103 ,  H04W4/50

Abstract: A method for distributing rights objects between a first device 1 and a second device 50 is disclosed, the rights objects being used to authorise use of a content file. The method includes, at the first device, selecting and requesting content from a distribution server 3; receiving a download descriptor file 9 for the requested content, the download descriptor file identifying at least one available format of the content and identifying from where the content may be retrieved, wherein different formats of the content are suitable for devices having different rendering profiles and different formats of the content are contained within different content files; receiving at least one rights object 13 associated with the content files, the at least one rights object providing authorisation rights for the content files; and embedding the at least one rights object within the download descriptor file. The download descriptor file is then distributed to the second device.

Abstract translation: 公开了一种用于在第一设备1和第二设备50之间分发权限对象的方法，所述权限对象被用于授权使用内容文件。 该方法包括：在第一设备处，从分发服务器3中选择和请求内容; 接收用于所请求内容的下载描述符文件9，所述下载描述符文件标识所述内容的至少一种可用格式，并从内容的哪里可以被检索，其中不同格式的内容适用于具有不同呈现轮廓和不同的设备的设备 内容的格式包含在不同的内容文件中; 接收与所述内容文件相关联的至少一个权限对象13，所述至少一个权限对象为所述内容文件提供授权权限; 以及将所述至少一个权限对象嵌入所述下载描述符文件内。 然后将下载描述符文件分发到第二设备。