发明名称 |
METHOD AND SYSTEM FOR CONDITIONAL ACCESS TO A DIGITAL CONTENT, ASSOCIATED TERMINAL AND SUBSCRIBER DEVICE |
摘要 |
A secure method for transmitting a control word between a server and a plurality of processing entities so as to respectively produce and utilize the control word. Preferably such a method is applied to the field of conditional access methods and systems for preventing the fraudulent use of compromised decryption keys resulting from a coalition of pirate hackers. |
申请公布号 |
EP2643943(A1) |
申请公布日期 |
2013.10.02 |
申请号 |
EP20110802487 |
申请日期 |
2011.11.21 |
申请人 |
CRYPTOEXPERTS SAS |
发明人 |
DELERABLEE, CECILE;GOUGET, ALINE;PAILLIER, PASCAL |
分类号 |
H04L9/30 |
主分类号 |
H04L9/30 |
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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