发明名称 Digital content security system and method
摘要 A digital content security system and method encrypts a key required for playback of digital content, fragments the encrypted key and embeds the fragments in portions of a payload; encrypts determined portions of frames of the digital content, and uses the decrypted key to decrypt the encrypted portions for playback in real-time; and requires an active authenticated session to access the encrypted key, decrypt it, access the encrypted portions and decrypt them.
申请公布号 US2004022391(A1) 申请公布日期 2004.02.05
申请号 US20030631406 申请日期 2003.07.30
申请人 O'BRIEN ROYAL 发明人 O'BRIEN ROYAL
分类号 H04L9/08;(IPC1-7):H04L9/00 主分类号 H04L9/08
代理机构 代理人
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