发明名称 |
DECOUPLING RIGHTS IN A DIGITAL CONTENT UNIT FROM DOWNLOAD |
摘要 |
Systems and methods for enabling a user to obtain rights in a legitimate copy of a digital content unit without downloading the copy from a digital content store are provided. The systems and methods provide an encrypted copy of a digital content unit to a first user and transcript the encrypted copy to generate the legitimate copy to a second user. The encrypted copy is encrypted with a first encrypt key that may be associated with the first user and the legitimate copy is encrypted with a second encrypt key that may be associated with the second user. |
申请公布号 |
EP2008474(A2) |
申请公布日期 |
2008.12.31 |
申请号 |
EP20070811836 |
申请日期 |
2007.04.02 |
申请人 |
APPLE INC. |
发明人 |
ZWEIG, JONATHAN M.;WOODYATT, JAMES H. |
分类号 |
H04Q1/00 |
主分类号 |
H04Q1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|