发明名称 |
CONTENT DISTRIBUTING METHOD, APPARATUS AND SYSTEM |
摘要 |
The present invention provides a method of distributing content to a plurality of clients. The method on a server begins with accessing content to be distributed to a plurality of clients and identifying a first type of content to be distributed as crucial content and identifying a second type of content to be distributed as non-crucial content. The crucial content is any content required to properly render, after a decryption process, the content. The non-crucial content is all the other content to be distributed. The crucial content is encrypted with a first encrypting key which is unique to each of the plurality of clients. The crucial content which has been encrypted is transmitted. The non-crucial content is transmitted to the plurality of clients.
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申请公布号 |
US2008031448(A1) |
申请公布日期 |
2008.02.07 |
申请号 |
US20070766101 |
申请日期 |
2007.06.20 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
DANG YA B.;SHAO LING;BO FENG;YAN RONG |
分类号 |
H04N7/167 |
主分类号 |
H04N7/167 |
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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