Method and device for confirming the authenticity of a document and a safe for storing data
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United States of America Patent
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Jun 3, 2008
Grant Date -
Mar 24, 2005
app pub date -
Jul 18, 2002
filing date -
Jul 20, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for confirming the authenticity of a document. According to the invention, said method is carried out in such a way that the authenticity is confirmed using a digital signature, the signed confirmation of authenticity is integrated into the document by means of a secret watermark and that the document is also provided with a public watermark.
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