发明名称 |
Information providing apparatus and method, information processing apparatus and method, and program storage medium |
摘要 |
The present invention is intended to quickly download contents while preventing unauthorized contents usage. PD authentication program authenticates telephone-integrated terminal device. Server authentication program authenticate key server. Server LCM controls the reception of a request for data for identifying key server and a key from telephone-integrated terminal device. On the basis of the data for identifying key server, server LCM sends a request for the key to key server and receives the requested key from key server. Key distribution program sends the key to telephone-integrated terminal device.
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申请公布号 |
US7215779(B2) |
申请公布日期 |
2007.05.08 |
申请号 |
US20050227486 |
申请日期 |
2005.09.16 |
申请人 |
SONY CORPORATION |
发明人 |
GO NAOMI;KURIHARA AKIRA |
分类号 |
G06F13/00;H04L9/32;G06F21/00;G09C1/00;H04L9/00;H04L9/08;H04L12/22;H04M3/487;H04M11/08 |
主分类号 |
G06F13/00 |
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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