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    • 6. 发明申请
    • METHOD AND APPARATUS FOR DIGITAL RIGHTS MANAGEMENT
    • 用于数字权利管理的方法和设备
    • WO2008000639A2
    • 2008-01-03
    • PCT/EP2007055970
    • 2007-06-15
    • IBMIBM UKDANG YA BINFENG BOSHAO LINGYAN RONG
    • DANG YA BINFENG BOSHAO LINGYAN RONG
    • G06F21/10G06F21/31
    • G06Q20/203G06F21/10G06F21/105G06F21/31G06F2221/2101G06F2221/2117G06F2221/2135G06F2221/2137H04L63/08H04L67/306H04L2463/101
    • A method for digital rights management comprises the steps of: receiving a registration request from one of a plurality of DRM agent devices, said registration request being used for requesting to register one of a plurality of user accounts and said one DRM agent device to one of a plurality of rights issuers; in response to said registration request, completing a registration process in said one rights issuer, including establishment of relationship among said one user account, said one DRM agent device and said one rights issuer; and returning a registration completion response to said one DRM agent device. The present invention further provides other corresponding methods and apparatuses. The present invent ion provides support to the many-to-many relationships among DRM entities, such as DRM agent device, user account and rights issuer, so that the DRM system can be applied to more business modes.
    • 一种用于数字权利管理的方法包括以下步骤:从多个DRM代理设备中的一个接收注册请求,所述注册请求用于请求将多个用户账户中的一个和所述一个DRM代理设备注册到以下中的一个: 多个权利发行者; 响应于所述注册请求,完成所述一个权利发布者中的注册过程,包括建立所述一个用户账户,所述一个DRM代理设备和所述一个权利发布者之间的关系; 并且向所述一个DRM代理设备返回注册完成响应。 本发明还提供了其他相应的方法和装置。 本发明为诸如DRM代理设备,用户账户和权利发行者之类的DRM实体之间的多对多关系提供支持,使得DRM系统可以应用于更多的商业模式。
    • 9. 发明授权
    • Content distributing method, apparatus and system
    • 内容分发方法,设备和系统
    • US08452008B2
    • 2013-05-28
    • US11766101
    • 2007-06-20
    • Ya Bin DangLing ShaoFeng BoRong Yan
    • Ya Bin DangLing ShaoFeng BoRong Yan
    • H04L29/06
    • H04N7/1675H04N21/23476H04N21/6405H04N21/6408
    • The present invention provides a method of distributing content to a plurality of clients. The method on a server begins with accessing content to be distributed to a plurality of clients and identifying a first type of content to be distributed as crucial content and identifying a second type of content to be distributed as non-crucial content. The crucial content is any content required to properly render, after a decryption process, the content. The non-crucial content is all the other content to be distributed. The crucial content is encrypted with a first encrypting key which is unique to each of the plurality of clients. The crucial content which has been encrypted is transmitted. The non-crucial content is transmitted to the plurality of clients.
    • 本发明提供一种向多个客户端分发内容的方法。 服务器上的方法开始于访问要分发到多个客户端的内容,并且识别要作为关键内容分发的第一类型的内容,并且识别要作为非关键内容分发的第二类型的内容。 关键内容是在解密过程之后正确呈现内容所需的任何内容。 非关键内容是要分发的其他内容。 关键内容使用对于多个客户端中的每一个唯一的第一加密密钥进行加密。 发送已经加密的关键内容。 非关键内容被发送到多个客户端。