发明名称 Virtual smart card device, method and system
摘要 A system and a method for secure transmission of protected content to a subscriber, without requiring a smart card or other renewable security element to be in physical proximity of the recipient module of the subscriber, such as a set-top box for example. Therefore, the renewable security element may optionally be protected and controlled by the transmitter of the protected content, such as by the broadcaster for example.
申请公布号 US2004168063(A1) 申请公布日期 2004.08.26
申请号 US20030713896 申请日期 2003.01.31
申请人 REVITAL DAN;CHECHIK DAVID SAMUEL;BOGOT CARMI;TSURIA YOSSI 发明人 REVITAL DAN;CHECHIK DAVID SAMUEL;BOGOT CARMI;TSURIA YOSSI
分类号 H04L9/00;H04N7/167;(IPC1-7):H04L9/00 主分类号 H04L9/00
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