METHOD AND APPARATUS FOR PROVIDING A SECURE MOVE OF A DECRYPTION CONTENT KEY
摘要
<p>The present invention discloses an apparatus and method for providing a secure move of a content decryption key within or between domains. Namely, the present invention addresses the single copy usage rule by restricting the movement of the decryption key instead of restricting the movement of the encrypted content itself.</p>
申请公布号
WO2007001462(A2)
申请公布日期
2007.01.04
申请号
WO2005US41756
申请日期
2005.11.17
申请人
GENERAL INSTRUMENT CORPORATION;SPRUNK, ERIC, J.;MEDVINSKY, ALEXANDER