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    • 4. 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。