发明名称 |
SYSTEM AND METHOD FOR USING DRM TO CONTROL CONDITIONAL ACCESS TO BROADBAND DIGITAL CONTENT |
摘要 |
A system and method is disclosed for providing DRM in a broadcast environment. In accordance with the embodiment, a DRM system distributes encrypted service keys over the mobile telephone network to a mobile terminal. The mobile terminal receives the encrypted service key and uses it to decrypt encrypted content keys received from a DVB set top box. The decrypted content keys are sent to the set box over local link where they are used to decrypt encrypted broadcast content. A power management technique for mobile receivers is also disclosed that enables the receiver hardware to power off during a portion of the rendering process.
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申请公布号 |
KR20060107806(A) |
申请公布日期 |
2006.10.16 |
申请号 |
KR20067011439 |
申请日期 |
2006.06.09 |
申请人 |
NOKIA CORPORATION |
发明人 |
ALVE JUKKA;IKONEN ARI;KANGAS MAURI;HEIKKILA TAPANI |
分类号 |
H04L9/32;G06F;G06F17/00;H04L9/30;H04N5/00 |
主分类号 |
H04L9/32 |
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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