发明名称 |
DATA PROVIDING SYSTEM, DEVICE, AND METHOD |
摘要 |
A content provider 101 distributes a secure container 104 storing content data encrypted using content key data, content key data encrypted using distribution key data, and encrypted usage control policy data indicating the handling of the content data to a SAM 1051 of a user home network 103 etc. The SAM 1051 etc. decrypts the content data and usage control policy data stored in the secure container 104 and determines the purchase mode and usage mode and other handling of the content data based on said decrypted usage control policy data. <IMAGE> |
申请公布号 |
EP1120715(A4) |
申请公布日期 |
2005.02.16 |
申请号 |
EP20000944282 |
申请日期 |
2000.07.06 |
申请人 |
SONY CORPORATION |
发明人 |
NONAKA, AKIRA;EZAKI, TADASHI |
分类号 |
G09C1/00;G06F1/00;G06F12/00;G06F12/14;G06F13/00;G06F15/00;G06F21/00;G06F21/10;G06F21/24;G06Q20/38;G10L11/00;G10L19/00;H04H20/00;H04H60/14;H04H60/23;H04L9/32;(IPC1-7):G06F15/00;G06F17/60;H04L9/08;G10K15/02 |
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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