发明名称 METHOD TO UPGRADE CONTENT ENCRYPTION
摘要 Generation of secret keys is carried out in a smartcard for use by a receiver device's main processor, or alternatively, decryption processing for selectively encrypted content is carried out in the smartcard itself in order to thwart hacking and pirating of protected video content. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
申请公布号 WO2010111182(A3) 申请公布日期 2011.01.13
申请号 WO2010US28146 申请日期 2010.03.22
申请人 SONY CORPORATION;SONY ELECTRONICS INC.;CANDELORE, BRANT, L. 发明人 CANDELORE, BRANT, L.
分类号 H04N7/167;H04L9/00 主分类号 H04N7/167
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