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    • 3. 发明授权
    • Inter-entity coupling method, apparatus and system for service protection
    • 实体间耦合方法,服务保护装置和系统
    • US08417933B2
    • 2013-04-09
    • US11409151
    • 2006-04-21
    • Byung-Rae LeeSung-Oh HwangWuk Kim
    • Byung-Rae LeeSung-Oh HwangWuk Kim
    • H04L29/06
    • H04L63/0428H04L9/0833H04L9/321H04L9/3271H04L63/065H04L2209/603
    • Disclosed is an inter-entity coupling method for service protection in a broadcast environment including a terminal and a broadcast network, which includes a Broadcast Service Application (BSA), a Broadcast Service Distribution (BSD) and a Broadcast Service Management (BSM) function. The method includes executing enrollment and service joining procedures for the terminal, wherein the terminal acquires a group key in the enrollment procedure and acquires a Rights Object (RO) for the service in the service joining procedure; receiving a message including a traffic key in the terminal; acquiring the traffic key from the message using the RO; receiving an encrypted service encrypted by the BSD in the terminal; and decrypting the encrypted service using the traffic key in the terminal.
    • 公开了一种在包括广播业务应用(BSA),广播业务分配(BSD)和广播业务管理(BSM)功能的终端和广播网络的广播环境中进行业务保护的实体间耦合方法。 该方法包括执行终端的注册和服务加入过程,其中终端在注册过程中获取组密钥并在服务连接过程中获取服务的权限对象(RO); 在所述终端中接收包括业务密钥的消息; 使用RO从消息中获取流量密钥; 接收由终端中的BSD加密的加密服务; 以及使用终端中的业务密钥解密加密的服务。
    • 5. 发明申请
    • Inter-entity coupling method, apparatus and system for content protection
    • 实体间耦合方法,内容保护装置和系统
    • US20070061568A1
    • 2007-03-15
    • US11409150
    • 2006-04-21
    • Byung-Rae LeeSung-Oh HwangWuk Kim
    • Byung-Rae LeeSung-Oh HwangWuk Kim
    • H04L9/00G06F12/14H04L9/32G06F11/30
    • H04L63/0428H04L63/0478H04L63/065H04L2463/101
    • Disclosed is an inter-entity coupling method for protecting content in a broadcast environment including a broadcast network and a terminal, the broadcast network having a Broadcast Service Application (BSA), a Broadcast Service Distribution (BSD), and a Broadcast Service Management (BSM), the inter-entity coupling method including performing, by the terminal, a registration process for obtaining a group key for the terminal; after the registration process is completed, performing, by the terminal, a service joining process for requesting service joining, and receiving, by the terminal, a Rights Object (RO) about the content from a message, which is received in response to the request, based on the obtained group key; obtaining a traffic key by using the RO, if a traffic key message is received after the service joining process is completed; receiving encrypted content in the terminal; and decrypting the encrypted content by using the traffic key.
    • 公开了一种用于保护包括广播网络和终端的广播环境中的内容的实体间耦合方法,广播网络具有广播服务应用(BSA),广播服务分配(BSD)和广播服务管理(BSM) ),所述实体间耦合方法包括由所述终端执行用于获得所述终端的组密钥的注册处理; 在注册过程完成之后,由终端执行用于请求服务加入的服务加入处理,并且由终端从响应于该请求而接收到的消息中接收关于该内容的权利对象(RO) 基于获得的组密钥; 如果在服务加入处理完成后接收到业务密钥消息,则通过使用RO来获得业务密钥; 在终端中接收加密的内容; 以及通过使用所述业务密钥解密所述加密内容。
    • 7. 发明授权
    • Inter-entity coupling method, apparatus and system for content protection
    • 实体间耦合方法,内容保护装置和系统
    • US08327136B2
    • 2012-12-04
    • US11409150
    • 2006-04-21
    • Byung-Rae LeeSung-Oh HwangWuk Kim
    • Byung-Rae LeeSung-Oh HwangWuk Kim
    • G06F21/00
    • H04L63/0428H04L63/0478H04L63/065H04L2463/101
    • Disclosed is an inter-entity coupling method for protecting content in a broadcast environment including a broadcast network and a terminal, the broadcast network having a Broadcast Service Application (BSA), a Broadcast Service Distribution (BSD), and a Broadcast Service Management (BSM), the inter-entity coupling method including performing, by the terminal, a registration process for obtaining a group key for the terminal; after the registration process is completed, performing, by the terminal, a service joining process for requesting service joining, and receiving, by the terminal, a Rights Object (RO) about the content from a message, which is received in response to the request, based on the obtained group key; obtaining a traffic key by using the RO, if a traffic key message is received after the service joining process is completed; receiving encrypted content in the terminal; and decrypting the encrypted content by using the traffic key.
    • 公开了一种用于保护包括广播网络和终端的广播环境中的内容的实体间耦合方法,广播网络具有广播服务应用(BSA),广播服务分配(BSD)和广播服务管理(BSM) ),所述实体间耦合方法包括由所述终端执行用于获得所述终端的组密钥的注册处理; 在注册过程完成之后,由终端执行用于请求服务加入的服务加入处理,并且由终端从响应于该请求而接收到的消息中接收关于该内容的权利对象(RO) 基于获得的组密钥; 如果在服务加入处理完成后接收到业务密钥消息,则通过使用RO来获得业务密钥; 在终端中接收加密的内容; 以及通过使用所述业务密钥解密所述加密内容。