发明名称 |
SECURE PUBLIC DIGITAL WATERMARK |
摘要 |
A cryptographic device and corresponding method for producing a cloaked watermark which is a private watermark having the functionality of a public watermark. In one embodiment, the cryptographic device comprises an internal memory and a processor contained in a package. The internal memory provides a region for storage of key information used at least to produce the cloaked watermark. The processor is coupled to the internal memory and is responsible for producing a cloaked watermark based on the key and for inserting the cloaked watermark into an outgoing data set.
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申请公布号 |
WO0043856(A1) |
申请公布日期 |
2000.07.27 |
申请号 |
WO2000US01170 |
申请日期 |
2000.01.18 |
申请人 |
INTEL CORPORATION;DAVIS, DEREK |
发明人 |
DAVIS, DEREK |
分类号 |
G06F1/00;G06F21/00;G06T1/00;(IPC1-7):G06F1/00 |
主分类号 |
G06F1/00 |
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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