发明名称 |
METHOD AND APPARATUS FOR PROTECTING THE TRANSFER OF DATA |
摘要 |
According to one embodiment, a method for scrambling and descrambling program data comprises the receipt of a mating key generator message including a manufacturer identifier. The mating key generator message is transmitted to a first remote source identified by the manufacturer identifier. In response, a mating key is received from the first remote source. Then, the mating key is supplied to a second remote source, the mating key being subsequently used to encrypt a service key used for scrambling program data. |
申请公布号 |
WO2004082147(A2) |
申请公布日期 |
2004.09.23 |
申请号 |
WO2004US06767 |
申请日期 |
2004.03.05 |
申请人 |
SONY ELECTRONICS INC.;CANDELORE, BRANT, L. |
发明人 |
CANDELORE, BRANT, L. |
分类号 |
H03M;H04L9/08;H04L9/30;H04L9/32;H04L12/22;H04N7/16;H04N7/167;H04N7/173 |
主分类号 |
H03M |
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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