发明名称 |
Method and apparatus for creating and applying secure file identifier of rights object by using random numbers |
摘要 |
Provided are a method and apparatus for creating and applying a secure file identifier of a rights object by using random numbers. The apparatus includes a secure-file-identifier generating unit which creates the secure file identifier by generating a random number and combining the random number with a hash value corresponding to a rights object identifier of the file identifier list; a transmitting unit which transmits the secure file identifier to the storage device; and a receiving unit which receives a secure file identifier list for identifying the rights object from a storage device. |
申请公布号 |
US8196208(B2) |
申请公布日期 |
2012.06.05 |
申请号 |
US20070747935 |
申请日期 |
2007.05.14 |
申请人 |
KIM YEO-JIN;OH YUN-SANG;SIM SANG-GYOO;JUNG KYUNG-IM;KIM JI-SOO;SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
KIM YEO-JIN;OH YUN-SANG;SIM SANG-GYOO;JUNG KYUNG-IM;KIM JI-SOO |
分类号 |
G06F7/04;G06F17/30;H04N7/16 |
主分类号 |
G06F7/04 |
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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