System and method for ensuring integrity throughout post-processing
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United States of America Patent
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Mar 12, 2002
Grant Date -
N/A
app pub date -
Sep 30, 1997
filing date -
Sep 30, 1997
priority date (Note) -
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Abstract
The system and method to protect integrity of a data set during post-processing operations. In general, integrity is protected by operations performed by a manipulation agent including a processor connected to dedicated memory. The operations of the manipulation agent include at least providing a data set and recording characteristics of each post-processing operation into the data set. The data set includes data and a record. The record includes a number of entries (fields) to contain the various characteristics of a post-processing operation such as an incoming hash value of the data, an extended digital signature, and the like.
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