Electronic watermark system electronic information distribution system and image filing apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 23, 2002
Grant Date -
N/A
app pub date -
Aug 14, 1998
filing date -
Aug 20, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is an electronic watermark method, used for a network, comprising a plurality of entities, wherein provided weparately are an entity for embedding an electronic watermark in encrypted data that are exchanged by said plurality of entities, and an entity for performing an encryption process and a corresponding decryption process.
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