| 发明名称 |
SYSTEM ZUR ÜBERTRAGUNG VON ZUGRIFFINFORMATIONEN UND WEB-INHALT ZU EINEM MOBILEN GERÄT |
| 摘要 |
A system controls access to broadcast messages received by a plurality of mobile devices. Selected mobile devices are provided with a broadcast encryption key (BEK). The broadcast messages are encrypted using the BEK prior to broadcasting so that the selected mobile devices containing the BEK can decrypt the broadcast messages. The broadcast messages are then broadcast. |
| 申请公布号 |
DE69930504(D1) |
申请公布日期 |
2006.05.11 |
| 申请号 |
DE1999630504 |
申请日期 |
1999.01.07 |
| 申请人 |
MICROSOFT CORP. |
发明人 |
DEO, VINAY;TUNIMAN, DAVID;SIMON, R. |
| 分类号 |
G09C1/00;H04L29/06;G06F1/32;G06F17/21;G06F17/22;H04L9/08;H04L12/28;H04L12/56;H04L29/08;H04L29/12;H04M1/2745;H04M1/725;H04W4/06;H04W4/12;H04W12/02;H04W12/04;H04W48/08;H04W88/02 |
主分类号 |
G09C1/00 |
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