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    • 8. 发明申请
    • METHOD AND SYSTEM FOR PROTECTING BROADCAST SERVICE/CONTENT IN A MOBILE BROADCAST SYSTEM, AND METHOD FOR GENERATING SHORT TERM KEY MESSAGE THEREFOR
    • 用于保护移动广播系统中的广播服务/内容的方法和系统,以及用于生成短消息的方法
    • US20120170748A1
    • 2012-07-05
    • US13422778
    • 2012-03-16
    • Byung-Rae LEESung-Oh HwangKook-Heui Lee
    • Byung-Rae LEESung-Oh HwangKook-Heui Lee
    • H04K1/00
    • H04H60/23H04H60/91H04L9/0825H04L9/3242H04L63/0428H04L63/065H04L2209/601H04L2209/80
    • A terminal and method for receiving a broadcast service by the terminal in a broadcast system are provided. The method includes performing a registration procedure for subscription and reception of the broadcast service through a Browser And Content Mobile Broadcast (BSCAST) Subscription Management (BSM) responsible for managing subscription information; receiving a Long Term Key Message (LTKM), including key information for encryption of the broadcast service, generated from the BSM; receiving a completed Short Term Key Message (STKM), the completed STKM being generated by performing Message Authentication Code (MAC) processing on a partially created STKM; receiving, from a Broadcast Service Distribution/Adaptation (BSD/A) which is responsible for transmitting the broadcast service, an encrypted broadcast service which is encrypted by a Traffic Encryption Key (TEK) for deciphering the broadcast service; and deciphering the encrypted broadcast service by the TEK obtained using the LTKM and the completed STKM.
    • 提供了一种终端和方法,用于在广播系统中由终端接收广播服务。 该方法包括通过负责管理订阅信息的浏览器和内容移动广播(BSCAST)订阅管理(BSM)执行用于订阅和接收广播服务的注册过程; 从BSM接收包括用于加密广播服务的密钥信息的长期密钥消息(LTKM); 接收完成的短期密钥消息(STKM),通过在部分创建的STKM上执行消息认证码(MAC)处理来生成完成的STKM; 从负责发送广播业务的广播业务分配/适配(BSD / A)接收用于解密广播业务的通过加密密钥(TEK)加密的加密广播业务; 以及通过使用LTKM获得的TEK和完成的STKM来解密加密的广播服务。