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    • 71. 发明申请
    • Contents Execution Device Equipped With Independent Authentication Means And Contents Re-Distribution Method
    • 具有独立认证手段和内容再分配方法的内容执行装置
    • US20090077652A1
    • 2009-03-19
    • US11722215
    • 2006-01-26
    • Bum Suk ChoiSang Hyun JooHye Joo LeeJin Soo ChoiJin Woo Hong
    • Bum Suk ChoiSang Hyun JooHye Joo LeeJin Soo ChoiJin Woo Hong
    • G06F21/00
    • H04N21/2541H04N7/163H04N7/1675H04N21/25816H04N21/4181H04N21/4623H04N21/4788H04N21/6334H04N21/63775H04N21/8193H04N21/835H04N21/8355
    • The present invention particularly relates to a digital content providing service method and a content execution device for the same, for maximizing user convenience and maintaining a sufficient level of security using a smart card. The inventive content execution device includes an independent authentication unit for storing a tool necessary for executing content; an authentication support module for providing a data communication channel between the smart card and an external broadcasting server; a tool agent for calling the tool stored in the independent authentication unit; and a content execution unit for executing content data received from the external broadcasting server. The content execution device included in a content authority management system of the present invention employs the smart card for user authentication and/or content playing tool management. Accordingly, a user can freely executing his/her licensed content in different content execution devices by conveniently removing and reinserting the smart card, without separate measures. Moreover, according to the present invention, a user can effectively use content from different broadcasters.
    • 本发明特别涉及一种数字内容提供服务方法及其内容执行装置,用于使用智能卡最大化用户便利性并保持足够的安全级别。 本发明的内容执行装置包括用于存储执行内容所必需的工具的独立认证单元; 认证支持模块,用于在智能卡和外部广播服务器之间提供数据通信信道; 用于调用存储在独立认证单元中的工具的工具代理; 以及内容执行单元,用于执行从外部广播服务器接收的内容数据。 包含在本发明的内容授权管理系统中的内容执行装置使用智能卡进行用户认证和/或内容播放工具管理。 因此,用户可以通过方便地移除和重新插入智能卡而在不同的内容执行装置中自由地执行他/她的许可内容,而无需单独的措施。 此外,根据本发明,用户可以有效地使用来自不同广播机构的内容。
    • 73. 发明申请
    • License Data Structure and License Issuing Method
    • 许可证数据结构和许可证颁发方法
    • US20080195548A1
    • 2008-08-14
    • US11911127
    • 2006-04-11
    • Hyun Gon ChuYoung Bae ByunBum Suk ChoiSang Hyun JuJe Ho NamJin Woo Hong
    • Hyun Gon ChuYoung Bae ByunBum Suk ChoiSang Hyun JuJe Ho NamJin Woo Hong
    • G06Q10/00H04L9/00G06F19/00
    • G06F21/10
    • A license data structure and distribution (issuance) method are provided, that can accommodate one domain including multiple content playback devices and/or users. A method for creating license data in the invention includes the steps of: creating raw license data to be issued; firstly encrypting the raw license data with an encryption key of a user and/or device; and encrypting the data encrypted with the user and/or device public key using a public key of a home domain. Also, a license data structure of the invention includes an encrypted license block created by firstly encrypting raw license data containing data for playing content with a distributed encryption key of a user and/or device, and then secondly encrypting this with a distributed encryption key of a home domain; and TAG information necessary for decryption of a second encryption capsule.
    • 提供许可证数据结构和分发(发行)方法,其可以容纳包括多个内容回放设备和/或用户的一个域。 本发明的创建许可证数据的方法包括以下步骤:创建待颁发的许可证数据; 首先用用户和/或设备的加密密钥加密原始许可证数据; 以及使用归属域的公钥加密用用户和/或设备公钥加密的数据。 此外,本发明的许可证数据结构包括通过首先加密包含用户和/或设备的分布式加密密钥播放内容的数据的原始许可证数据而创建的加密许可证块,然后用分布式加密密钥第二加密 家庭网域 和用于解密第二加密胶囊所需的TAG信息。