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    SYSTEM AND METHOD FOR SECURE CONDITIONAL ACCESS DOWNLOAD AND RECONFIGURATION
    1.
    发明公开
    SYSTEM AND METHOD FOR SECURE CONDITIONAL ACCESS DOWNLOAD AND RECONFIGURATION 有权
    系统和方法安全条件接收和下载的重新配置

    公开(公告)号：EP1825678A2

    公开(公告)日：2007-08-29

    申请号：EP05853333.2

    申请日：2005-12-08

    申请人： COMCAST CABLE-HOLDINGS, LLC

    发明人： FAHRNY, James, William ,  WILSON, Mark, William

    IPC分类号： H04N7/16

    CPC分类号： H04N21/25816 ,  H04N7/17318 ,  H04N21/235 ,  H04N21/26291 ,  H04N21/26606 ,  H04N21/435 ,  H04N21/4432 ,  H04N21/6583 ,  H04N21/8193

    摘要： A method of securely downloading at least one of conditional access software (CAS) , Digital Rights Management software (DRMS) , Trusted Domain Software (TDS) , and Gaming Security- Software (GSS) includes presenting a specialized entitlement management message (EMM) to initiate the download to a receiver (402) security device using a supervisory logon key (SLK) split to logon with a second split contained inside the receiver security device, presenting a receiver digitally signed random challenge (404) from the receiver security device to a sender security server to establish authentication of the receiver security device to the sender security server, and signing and returning the receiver random challenge (406) from the sender security server to the receiver security device with a sender random challenge to establish authentication of the sender security server to the receiver security device.