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    • 16. 发明申请
    • IPTV SECURITY IN A COMMUNICATION NETWORK
    • IPTV通信网络安全
    • WO2009143891A1
    • 2009-12-03
    • PCT/EP2008/056602
    • 2008-05-29
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)EDLUND, PeterÅSTRÖM, BoLINDHOLM, Fredrik
    • EDLUND, PeterÅSTRÖM, BoLINDHOLM, Fredrik
    • H04L29/06H04N7/173
    • H04L63/06H04L63/062H04L63/065H04L63/0815H04L65/1016H04L65/4076H04N7/1675H04N7/17318H04N21/25816H04N21/26613H04N21/64322
    • A method of setting up a secure IPTV session. An Application Server (AS) receives an invite message from an IPTV receiving node such as a mobile telephone or a Set Top Box (STB) to set up an IPTV session. The invite message includes a Bootstrapping Transaction Identifier (BTID) associated with the receiving node. The AS sends an authentication request to a Service Access Protection Server, the authentication request including the BTID. The AS then receives from the Service Access Protection Server an authentication response, which includes a long term key associated with the IPTV receiving node, the long term key having been previously provided to the IPTV receiving node. A request is sent to an IPTV content provider node, the request identifying the IPTV receiving node. The AS then encrypts a media encryption key that is used to encrypt the media sent by the IPTV content provider, using the received long term key. An invite response is then sent to the IPTV receiving node, the response including the encrypted media encryption key.
    • 一种建立安全IPTV会话的方法。 应用服务器(AS)从诸如移动电话或机顶盒(STB)的IPTV接收节点接收邀请消息以建立IPTV会话。 邀请消息包括与接收节点相关联的引导事务标识符(BTID)。 AS向服务访问保护服务器发送认证请求,认证请求包括BTID。 AS然后从服务访问保护服务器接收包括与IPTV接收节点相关联的长期密钥的认证响应,该长期密钥先前已经提供给IPTV接收节点。 向IPTV内容提供商节点发送请求,该请求标识IPTV接收节点。 AS然后使用接收到的长期密钥加密用于加密由IPTV内容提供商发送的媒体的媒体加密密钥。 然后,向IPTV接收节点发送邀请响应,响应包括加密的媒体加密密钥。