发明名称 |
METHODE UND GERÄT ZUR ÜBERTRAGUNG EINES VERSCHLÜSSELTEN DATENSTROMES |
摘要 |
A method and apparatus for the transmission and reception of scrambled data is disclosed. In some embodiments, the method and apparatus includes transmitting a scrambled data stream to a decoder, sending the scrambled data stream to a portable security module inserted in the decoder, descrambling the scrambled data stream, encrypting a descrambled data stream, and using the encrypted data stream to the decoder, decrypting the encrypted data stream, and using the decrypted data stream. |
申请公布号 |
DE69825611(D1) |
申请公布日期 |
2004.09.16 |
申请号 |
DE1998625611 |
申请日期 |
1998.10.02 |
申请人 |
CANAL + TECHNOLOGIES, PARIS |
发明人 |
MAILLARD, MICHEL;BENARDEAU, CHRISTIAN;DAUVOIS, JEAN-LUC |
分类号 |
G09C1/00;H04H20/00;H04H60/23;H04L9/10;H04N7/167 |
主分类号 |
G09C1/00 |
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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