发明名称 |
Method and apparatus for digital data distribution |
摘要 |
The present invention is intended to prevent sold digital information from being used in a non-compliant manner. Digital information accumulation capability 212 accumulates digital information 6 to be sold. License generating capability 227 generates the usage conditions for digital information 6. Encryption capability 229 encrypts digital information 6. Digital information key generating capability 228 generates a cryptographic key for decrypting encrypted digital information 6. Authentication capability 214 authenticates recording medium with license management capability 102-1 loaded in digital information vending apparatus 101. Licensed digital information writing capability 230 writes encrypted digital information and its usage conditions and cryptographic key onto authenticated recording medium with license management capability 102-1. |
申请公布号 |
EP1139198(A2) |
申请公布日期 |
2001.10.04 |
申请号 |
EP20010108153 |
申请日期 |
2001.03.30 |
申请人 |
SONY CORPORATION |
发明人 |
KISHI, HARUHIKO;KURIHARA, AKIRA |
分类号 |
G07F17/00;G06F1/00;G06F21/10;G06Q10/00;G06Q30/06;G06Q50/00;G10K15/02;G11B20/10;H04L9/32;H04N7/16;H04N21/266;H04N21/426;H04N21/4627 |
主分类号 |
G07F17/00 |
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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