Digital signatures with an embedded view
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United States of America Patent
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Jul 28, 2009
Grant Date -
N/A
app pub date -
May 13, 2004
filing date -
May 13, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Digital signatures having an embedded view of signed data that lock the signed data but permit it to be repurposed are described. One of these digital signatures can be repurposed for signature by others, such as co-signers or counter-signers. Another of these digital signatures includes embedded information sufficient to recreate the embedded view using the signed data. A method for building a digital signature is also described that permits signing different parts of an electronic document.
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