发明名称 |
METHOD FOR PROTECTING THE AUDIO/VISUAL DATA ACROSS THE NRSS INTE RFACE |
摘要 |
<p>A system for enhancing the security of the interface between a consumer electronic device and a removable security device is provided by protecting the audio/visual (A/V) stream descrambled in the removable security device. The protection involves dynamically computing a shared key followed by the rescrambling of the A/V stream.</p> |
申请公布号 |
EP1059001(B1) |
申请公布日期 |
2002.07.24 |
申请号 |
EP19980965985 |
申请日期 |
1998.12.10 |
申请人 |
THOMSON LICENSING S.A. |
发明人 |
ESKICIOGLU, AHMET, MURSIT |
分类号 |
H04L9/08;H04L9/10;H04N7/16;H04N21/418;H04N21/4367;(IPC1-7):H04N7/16 |
主分类号 |
H04L9/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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