发明名称 |
METHOD AND DEVICE FOR SECURING CONTENT DELIVERY OVER A COMMUNICATION NETWORK VIA CONTENT KEYS |
摘要 |
A method for descrambling secure content received over a network is disclosed. The method is operable at a receiving device ( 150 ) located at a remote site in communication with a network ( 140 ) for receiving a first information item scrambled using an encrypting key (Pu) known by the remote site, descrambling the first information item using a corresponding decrypting key, wherein the information item includes an access code (CAC) and a content key (Kc), receiving a second information item, scrambled using the content key after a server, ( 120 ) hosting the second information verifies the access code (CAC) and descrambling the second information item using the content key (Kc). |
申请公布号 |
EP1661355(A1) |
申请公布日期 |
2006.05.31 |
申请号 |
EP20040705725 |
申请日期 |
2004.01.27 |
申请人 |
THOMSON LICENSING |
发明人 |
ZHANG, JUNBIAO;LI, JUN;RAMASWAMY, KUMAR |
分类号 |
G06F21/00;H04K1/00;H04L9/08;H04L29/06;(IPC1-7):H04L29/06;G06F1/00 |
主分类号 |
G06F21/00 |
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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