Self-protecting documents
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United States of America Patent
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Feb 11, 2003
Grant Date -
N/A
app pub date -
Oct 23, 1998
filing date -
Oct 23, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method for the secure distribution of electronic documents reduces the likelihood of unauthorized reproduction and redistribution by either authorized or unauthorized recipients. A self-protecting document (SPD) contains an encrypted document as well as a secure set of permissions and the software necessary to process the document; full decryption of the document is performed as late as possible so as to minimize the possibility of intercepting the document before it has been fully rendered to screen or to paper.
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